def wait_for_execution(t):
"""Note that a query started manually from IDE will stay "executing" until you fetch all it's rows.""" \
""" In such case "Wait for session" can be helpful."""
if not t.data:
r = execute(t.target, "select min(sql_exec_start) from v$sql_monitor"
" where sql_id = :sql_id and status = 'EXECUTING'"
, t.parameters
, 'one'
, False)
if not r[0]:
return t.abort(f"SQL {t.parameters['sql_id']} Not found")
else:
t.data = r[0]
return
r = execute(t.target
, "select nvl(sum(case when status = 'EXECUTING' then 1 else 0 end), 0) e"
", nvl(sum(case when status like 'DONE%' then 1 else 0 end), 0) d"
", max(status) s"
" from v$sql_monitor where sql_id = :sql_id and sql_exec_start >= :start_time"
, {'sql_id': t.parameters['sql_id'], 'start_time': t.data}
, 'one'
, False)
if r[0] + r[1] == 0:
return t.abort(f"SQL {t.parameters['sql_id']} Not found")
if r[0] > 0:
return
if t.reply_to_message_id:
return t.finish(r[2].lower())
return t.finish('{} on {} is {}.'.format(t_link(f"{t.target}/Q/{t.parameters['sql_id']}", t.parameters['sql_id'])
, t.target
, r[2].lower()))
def wait_for_ts(t):
"""Notification will be sent again only when the threshold be crossed."""
r = execute(
t.target, "select * from ("
"select files.tablespace_name"
", round((max_files_size - (files.free_files_space + free.free_space)) / 1024 / 1024 / 1024) used_gb"
", round(files.max_files_size / 1024 / 1024 / 1024) allocated_gb"
", round(((max_files_size - (files.free_files_space + free.free_space))"
" / max_files_size) * 100) pct_used"
" from ("
"select tablespace_name"
", sum(decode(maxbytes, 0, bytes, maxbytes)) max_files_size"
", sum(decode(maxbytes, 0, bytes, maxbytes)) - sum(bytes) free_files_space"
" from dba_data_files"
" group by tablespace_name) files"
" inner join ("
"select tablespace_name"
", sum(nvl(bytes,0)) free_space"
" from dba_free_space"
" group by tablespace_name) free on free.tablespace_name = files.tablespace_name"
") where pct_used >= :pct_used and tablespace_name like :tablespace_name",
{
'pct_used': t.parameters['pct_used'],
'tablespace_name': t.optional.get('tablespace_name', '%')
}, 'many', False)
return t.get_message(
r, lambda o, i: f'Tablespace {i[0]} on {o.target} is {i[3]}%'
f' used ({i[1]} of {i[2]} Gb).', None, 0)
def wait_for_session(t):
"""Be sure to choose the main session if your query started in parallel mode."""
if not t.data:
e = execute(t.target,
"select sid, status from v$session where sid = :sid",
t.parameters, 'one', False)
if not e:
return t.abort('Not found')
t.data = {'sid': e[0]}
r = execute(t.target, "select sid, status from v$session where sid = :sid",
t.data, 'one', False)
if not r:
return t.finish(f"Session {t.data['sid']} is not found on {t.target}.")
if r[1] != 'INACTIVE':
return
return t.finish(f'Session {r[0]} on {t.target} is {r[1].lower()}.')
def check_job_status(t):
r = execute(t.target
, "select job, log_user, nvl(failures, 0) fails from dba_jobs where broken = 'Y'"
, {}
, 'many'
, False)
return t.get_message(r, lambda o, i: f'Job {i[0]} ({i[1]}) on {o.target} is broken, {i[2]} failures.', None, 0)
def wait_for_sql_error(t):
"""This task shows sql errors, stored in sql_monitor cache. Errors, displaced from the cache, will be lost.""" \
""" A good approach is creating a trigger "after servererror"."""
if not t.data:
t.data = {'start_date': t.create_date}
end_date = datetime.now()
r = execute(
t.target,
"select username, sql_id, sid, error_message"
" from v$sql_monitor"
" where status = 'DONE (ERROR)'"
" and error_number not in (1013, 28, 604, 24381)" # cancel, kill, recursive, DML array
" and last_refresh_time between :start_date and :end_date"
" and (username not like :user_name or username is null)",
{
'start_date': t.data['start_date'],
'end_date': end_date,
'user_name': t.optional.get('ignore_user', '---')
},
'many',
False)
t.data['start_date'] = end_date
return t.get_message(
r, lambda o, i: '{} ({}, {}) on {} is failed ({}).'.format(
t_link(f'{o.target}/Q/{i[1]}', i[1]), i[2], i[0], o.target, i[3].
replace('\n', ' ')))
def wait_for_heavy(t):
r = execute(
t.target,
"select username, sql_id, exec_time_min, temp_usage_gb, exec_id, sid from"
" (select s.username, m.sql_id, to_char(round(elapsed_time / 60000000)) exec_time_min, s.sid,"
" m.sql_id || to_char(m.sql_exec_id) || to_char(m.sql_exec_start, 'yyyymmddhh24miss') exec_id,"
" rtrim(to_char(((nvl(sum(u.blocks), 0) * min(p.value)) / 1024 / 1024 / 1024), 'fm999990d99')"
", to_char(0,'fmd')) temp_usage_gb"
" from v$session s"
" left join v$sort_usage u on s.saddr = u.session_addr"
" join v$parameter p on p.name = 'db_block_size'"
" join v$sql_monitor m on m.sid = s.sid and m.session_serial# = s.serial#"
" where m.status = 'EXECUTING'{}{}"
" group by s.username, m.sql_id, round(elapsed_time / 60000000), s.sid,"
" m.sql_id || to_char(m.sql_exec_id) || to_char(m.sql_exec_start, 'yyyymmddhh24miss'))"
" where exec_time_min >= :exec_time_min or temp_usage_gb >= :temp_usage_gb"
.format(
' and s.username like :user_name' if t.optional.get(
'user_name', None) else '',
' and s.username not like :ignore_user' if t.optional.get(
'ignore_user', None) else ''), {
**t.parameters,
**t.optional
}, 'many', False)
return t.get_message(
r, lambda o, i:
'{} ({}, {}) on {} is executing {} minutes and consumes {} Gb of temp space.'
.format(t_link(f'{o.target}/Q/{i[1]}', i[1]), i[5], i[0], o.target, i[
2], i[3]), None, 4)
def wait_for_ts(t):
"""Notification will be sent again only when the threshold be crossed."""
p = {
'pct_used': t.parameters['pct_used'],
'tablespace_name': t.optional.get('tablespace_name')
}
if not p['tablespace_name']:
p.pop('tablespace_name')
r = execute(
t.target, "select * from (select t.tablespace_name,"
" round((max_files_size - (files.free_files_space + free.free_space)) / 1024 / 1024 / 1024) used_gb,"
" round(files.max_files_size / 1024 / 1024 / 1024) allocated_gb,"
" round(((max_files_size - (files.free_files_space + free.free_space))"
" / max_files_size) * 100) pct_used"
" from dba_tablespaces t"
" left join (select tablespace_name,"
" sum(nvl(bytes,0)) free_space"
" from dba_free_space"
" group by tablespace_name) free on free.tablespace_name = t.tablespace_name"
" left join (select tablespace_name,"
" sum(decode(maxbytes, 0, bytes, maxbytes)) max_files_size,"
" sum(decode(maxbytes, 0, bytes, maxbytes)) - sum(bytes) free_files_space"
" from dba_data_files group by tablespace_name) files on t.tablespace_name = files.tablespace_name)"
" where pct_used >= :pct_used{}".format(
' and tablespace_name like :tablespace_name' if t.optional.
get('tablespace_name') else ''), p, 'many', False)
return t.get_message(
r, lambda o, i: f'Tablespace {i[0]} on {o.target} is {i[3]}%'
f' used ({i[1]} of {i[2]} Gb).', None, 0)
def get_row_count(target, owner, table):
date_columns = execute(
target, "select column_name from all_tab_columns"
" where owner = :o and table_name = :t and data_type = 'DATE'"
" order by column_name", {
'o': owner,
't': table
})
if 'do' not in request.args:
return render_template('row_count.html',
date_columns=date_columns,
data=None)
check_for_column = execute(
target, "select owner, table_name, column_name from all_tab_columns"
" where owner = :o and table_name = :t and data_type = 'DATE'"
" and column_name = :c", {
'o': owner,
't': table,
'c': request.args.get('column_name', '')
},
fetch_mode='one')
if not check_for_column:
flash('No such column')
return render_template('row_count.html',
date_columns=date_columns,
data=None)
rr, required_values = parse_parameters(request.args,
{'date_from': 'datetime'})
if rr:
flash(f'Incorrect value for required parameter: {rr}')
return render_template('row_count.html',
date_columns=date_columns,
data=None)
data = execute(
target,
f"select trunc({check_for_column[2]}) date_column, count({check_for_column[2]}) row_count"
f" from {check_for_column[0]}.{check_for_column[1]}"
f" where {check_for_column[2]} >= :date_from"
f" group by trunc({check_for_column[2]})"
f" order by trunc({check_for_column[2]})", required_values)
if not data:
flash('No rows found for this period')
return render_template('row_count.html',
date_columns=date_columns,
data=data)
def get_awr_report(target):
s = execute(
target, "select snap_id"
", to_char(begin_interval_time, 'dd.mm.yyyy hh24:mi:ss') begin_date"
", to_char(end_interval_time, 'dd.mm.yyyy hh24:mi:ss') end_date"
" from dba_hist_snapshot"
" order by snap_id")
if 'do' not in request.args:
return render_template('awr.html', snapshots=s, data=None)
if not request.args.get('sql_id', ''):
r = execute(target, "select output"
" from table(dbms_workload_repository.awr_report_html("
"(select dbid from v$database)"
", (select instance_number from v$instance)"
", :bid, :eid, 8))", {
'bid': request.args['bid'],
'eid': request.args['eid']
},
fetch_mode='many')
else:
r = execute(target, "select output"
" from table(dbms_workload_repository.awr_sql_report_html("
"(select dbid from v$database)"
", (select instance_number from v$instance)"
", :bid, :eid, :sql_id))", {
'bid': request.args['bid'],
'eid': request.args['eid'],
'sql_id': request.args['sql_id']
},
fetch_mode='many')
if not r:
flash('Not found')
return render_template('awr.html', snapshots=s, data=None)
root = ElementTree.fromstring(''.join(item[0] for item in r
if item[0])).find('./body')
root.find('./h1').clear()
for item in root:
item.attrib.pop('border', None)
item.attrib.pop('class', None)
item.attrib.pop('summary', None)
return render_template('awr.html',
snapshots=s,
data=[
ElementTree.tostring(
item, method='html').decode('utf-8')
for item in root
])
def check_src_structure(t):
"""This task compares destination and source column types for all existing tables in specified schema."""
if t.parameters['source_db'] not in app.config['USERS'][t.user_name][2]:
return t.abort(
f"Source target {t.parameters['source_db']} not exists or not allowed."
)
target_columns = execute(
t.target,
"select c.table_name || '.' || c.column_name, c.data_type, c.data_length"
" from all_tab_columns c"
" join all_tables t on t.owner = c.owner and t.table_name = c.table_name"
" where c.owner = :destination_schema"
" and c.table_name like :by_target_prefix and c.table_name like :by_target_postfix"
" order by 1, 2", {
'destination_schema': t.parameters['destination_schema'],
'by_target_prefix': t.optional.get('by_target_prefix', '') + '%',
'by_target_postfix': '%' + t.optional.get('by_target_postfix', '')
}, 'many', False)
src_columns = execute(
t.parameters['source_db'],
"select :prefix || c.table_name || :postfix || '.' || c.column_name,"
" c.data_type, c.data_length from all_tab_columns c"
" join all_tables t on t.owner = c.owner and t.table_name = c.table_name"
" where c.owner = :source_schema order by 1, 2", {
'source_schema': t.parameters['source_schema'],
'prefix': t.optional.get('by_target_prefix', ''),
'postfix': t.optional.get('by_target_postfix', '')
}, 'many', False)
comparison_result = []
src_columns = {item[0]: (item[1], item[2]) for item in src_columns}
for target_column in target_columns:
c = src_columns.get(target_column[0])
if not c:
continue
if target_column[1] != c[0] or target_column[2] != c[1]:
comparison_result.append((
f'{target_column[0]}'
f'\n {target_column[1]}({target_column[2]}) → {c[0]}({c[1]})',
))
return t.get_message(
comparison_result, lambda o, i: i[0], lambda o: f"Some source tables"
f" for {o.target}.{o.parameters['destination_schema']} has been changed",
0)
def wait_for_expiry(t):
r = execute(t.target
, "select username, to_char(expiry_date, 'dd.mm.yyyy hh24:mi:ss') exp"
" from dba_users"
" where expiry_date between sysdate and sysdate + :expires_in_days"
, t.parameters
, 'many'
, False)
return t.get_message(r, lambda o, i: f'User account {i[0]} on {o.target} expires at {i[1]}.', None, 0)
def get_insert_from_select(target, owner, table):
params = {'owner': owner, 'p_table': table}
r = execute(
target, "select count(table_name) from all_tables"
" where owner = :owner and table_name = :p_table", params, 'one')
if r[0] != 1:
abort(404)
column_list = execute(
target, "select column_name from all_tab_cols"
" where owner = :owner and table_name = :p_table and virtual_column = 'NO'"
" order by column_id", params)
column_string_list = '\n , '.join([i[0] for i in column_list])
return render_template(
'layout.html',
formatted_text=f"INSERT /*+ APPEND */ INTO {owner}.{table}\n"
f" ({column_string_list})\n"
f"SELECT {column_string_list}\n"
f"FROM ???.{table};\n"
f"COMMIT;")
def wait_for_temp(t):
"""Notification will be sent again only when the threshold be crossed."""
r = execute(t.target
, "select tablespace_name, to_char(round((used_blocks / total_blocks) * 100)) pct_used"
" from v$sort_segment"
" where round((used_blocks / total_blocks) * 100) >= :pct_used"
, t.parameters
, 'many'
, False)
return t.get_message(r, lambda o, i: f'Tablespace {i[0]} on {o.target} is {i[1]}% used.', None, 0)
def check_logs_deletion(t):
"""Each occurrence increases the threshold to 2x."""
r = execute(t.target
, "select round(nvl(sum(blocks * block_size) / 1024 / 1024 / 1024, 0)) size_gb"
" from v$archived_log where deleted = 'NO'"
, {}
, 'one'
, False)
return t.get_message(r, lambda o, i: f'{i} gb of archived logs on {o.target} are waiting to be deleted.'
, None, t.parameters['size_gb'], 2)
def wait_for_recycled(t):
r = execute(t.target
, "select nvl(round(sum(r.space * p.value) / 1024 / 1024 / 1024), 0) space_gb"
" from dba_recyclebin r join v$parameter p on p.name = 'db_block_size'"
" where r.can_purge = 'YES' and nvl(r.space, 0) <> 0"
, {}
, 'one'
, False)
return t.get_message(r
, lambda o, i: f'{i} Gb can be purged from recycle bin on {o.target}.'
, None, t.parameters['space_gb'], 2)
def check_concurrency(t):
"""Each occurrence increases the threshold to 2x."""
r = execute(
t.target,
"select nvl(round((sum(concurrency_wait_time) / nullif(sum(elapsed_time), 0)) * 100), 0) ct"
" from v$sql_monitor where status = 'EXECUTING'"
" and sid in (select sid from v$session where status = 'ACTIVE')", {},
'one', False)
return t.get_message(
r, lambda o, i: f'{o.target} has average concurrency rate = {i}%.',
None, t.parameters['concurrency_pct'], 1.5)
def check_session_stats(t):
"""Please see "Activity -> Session monitor -> Session -> Session stats" to find all available statistic names."""
r = execute(
t.target,
"select s.sid, n.name, s.value from v$sesstat s join v$statname n on s.statistic# = n.statistic#"
" where n.name = :statistic_name and s.value >= :value order by s.value desc",
{**t.parameters}, 'many', False)
return t.get_message(
r, lambda o, i: 'Session {} on {} has {} = {}.'.format(
t_link(f'{o.target}/S/{str(i[0])}', str(i[0])), o.target, i[1],
get_num_str(i[2])), None, 0)
def check_redo_switches(t):
pt = t.period[-1:]
pv = t.period[:-1]
t.parameters['start_date'] = datetime.now() - get_offset(pv, pt)
r = execute(t.target
, "select count(1) switches_count from v$log_history"
" where first_time > :start_date having count(1) >= :switches_per_interval"
, {'start_date': t.parameters['start_date']
, 'switches_per_interval': t.parameters['switches_per_interval']}
, 'one'
, False)
return f'Redo logs on {t.target} have been switched {str(r[0])} times in the last {t.period}.' if r else None
def check_resource_usage(t):
r = execute(t.target
, "select resource_name, to_char(current_utilization), trim(limit_value)"
", round((current_utilization / to_number(limit_value)) * 100)"
" from v$resource_limit"
" where trim(limit_value) not in ('0', 'UNLIMITED')"
" and round((current_utilization / to_number(limit_value)) * 100) >= :pct_used"
, t.parameters
, 'many'
, False)
return '\n'.join(f'The resource {t.target}.{item[0]}'
f' is {item[3]}% used ({item[1]} of {item[2]}).' for item in r)
def check_frequent_sql(t):
"""This task based on v$sqlarea which accumulate statistics since SQL statement had been cached."""
r = execute(
t.target, "select sql_id, parsing_schema_name, executions,"
" to_char(to_date(first_load_time, 'yyyy-mm-dd/hh24:mi:ss'), 'dd.mm hh24:mi')"
" from v$sqlarea where parsing_schema_name not like '%SYS%'"
" and executions > :executions order by executions desc",
{**t.parameters}, 'many', False)
return t.get_message(
r, lambda o, i: '{} ({}) executed {} times since {}.'.format(
t_link(f'{o.target}/Q/{i[0]}', i[0]), i[1], get_num_str(i[2]), i[3]
), lambda o: f'Frequent executions on {o.target}', 0)
def wait_for_zombie(t):
"""User sessions could stay active and being waiting for an event that never comes.""" \
""" They must be killed to free locked resources."""
r = execute(t.target
, "select sid, username from v$session where type = 'USER' and ("
"(sysdate - last_call_et / 86400 < sysdate - :last_call_minutes * 1 / 24 / 60 and status = 'ACTIVE')"
" or (event = 'SQL*Net break/reset to client' and status = 'INACTIVE'))"
, {**t.parameters}
, 'many'
, False)
return t.get_message(r
, lambda o, i: 'Session {} ({}) on {} seems to be a zombie.'
.format(t_link(f'{o.target}/S/{str(i[0])}', str(i[0])), i[1], t.target), None, 0)
def check_size(t):
"""Each occurrence increases the threshold to 2x."""
r = execute(t.target
, "select round(nvl(sum(bytes) / 1024 / 1024, 0)) size_mb"
" from dba_segments"
" where owner = :owner and segment_name = :segment_name"
, {'owner': t.parameters['owner'], 'segment_name': t.parameters['segment_name']}
, 'one'
, False)
if not r:
return t.abort(f'Segment {t.parameters["owner"]}.{t.parameters["segment_name"]} not found.')
return t.get_message(r
, lambda o, i: f'{o.parameters["owner"]}.{o.parameters["segment_name"]}'
f' size reached {i} mb on {o.target}.', None, t.parameters['size_mb'], 2)
def wait_for_uncommitted(t):
r = execute(t.target
, "select distinct s.osuser, s.machine, l.name"
" from dba_dml_locks l"
" inner join v$session s on s.sid = l.session_id"
" where s.status != 'ACTIVE'"
" and l.name not like :ignore_tables"
" and round(last_call_et / 60) >= :idle_time_minutes"
, {'idle_time_minutes': t.parameters['idle_time_minutes']
, 'ignore_tables': t.optional.get('ignore_tables', '-')}
, 'many'
, False)
return t.get_message(r, lambda o, i: f'It seems {i[0]} ({i[1]})'
f' forgot to commit a transaction on {o.target} ({i[2]}).', None, 0)
def get_ash_report(target):
if 'do' not in request.args:
return render_template('ash.html', data=None)
source = {}
required = {'l_btime': 'datetime', 'l_etime': 'datetime'}
source['l_btime'] = request.args.get('l_btime', '')
source['l_etime'] = request.args.get('l_etime', '')
if request.args.get('l_sid', ''):
source['l_sid'] = request.args['l_sid']
required['l_sid'] = 'int'
if request.args.get('l_sql_id', ''):
source['l_sql_id'] = request.args['l_sql_id']
required['l_sql_id'] = 'str'
error, required_values = parse_parameters(source, required)
if error:
flash(f'Incorrect value: {error}')
return render_template('ash.html', data=None)
r = execute(target,
"select output"
" from table(dbms_workload_repository.ash_report_html("
"l_dbid => (select dbid from v$database)"
", l_inst_num => (select instance_number from v$instance)"
", " + ", ".join(k + ' => :' + k
for k in required_values.keys()) + "))",
required_values,
fetch_mode='many')
if not r:
flash('Not found')
return render_template('ash.html', data=None)
root = ElementTree.fromstring(''.join(item[0].replace('<<', '<<')
for item in r
if item[0])).find('./body')
root.find('./h1').clear()
for item in root:
item.attrib.pop('border', None)
item.attrib.pop('class', None)
item.attrib.pop('summary', None)
return render_template('ash.html',
data=[
ElementTree.tostring(
item, method='html').decode('utf-8')
for item in root
])
def wait_for_queued(t):
pt = t.period[-1:]
pv = t.period[:-1]
t.parameters['start_date'] = datetime.now() - get_offset(pv, pt)
r = execute(t.target
, "select nvl(sql_id, 'Unknown sql') || ' ' || event || ' ' || to_char(session_id), "
" nvl(sql_id, 'Unknown sql'), event, session_id, machine, count(1) waits"
" from v$active_session_history"
" where event like 'enq:%' and sample_time > :start_date"
" and event not like :ignore_event"
" group by nvl(sql_id, 'Unknown sql') || ' ' || event || ' ' || to_char(session_id),"
" sql_id, event, session_id, machine"
" having count(1) > :queued_time_sec"
, {'start_date': t.parameters['start_date']
, 'queued_time_sec': t.parameters['queued_time_sec']
, 'ignore_event': t.optional.get('ignore_event', '---')}
, 'many'
, False)
return t.get_message(r, lambda o, i: '{} ({}, {}) on {} has been queued for {} seconds ({}).'
.format(t_link(f'{t.target}/Q/{i[1]}', i[1]), i[4], i[3], t.target, i[5], i[2]), None, 0)
def get_top_activity(target):
if 'do' not in request.args.keys():
return render_template('top_activity.html')
required_source = {
'start_date': request.args.get('start_date', '-1h'),
'end_date': request.args.get('end_date', '-0h')
}
required = {'start_date': 'datetime', 'end_date': 'datetime'}
error, required_values = parse_parameters(required_source, required)
if error:
flash(f'Incorrect value: {error}')
return render_template('top_activity.html')
optional_source = {
'wait_class': request.args.get('wait_class', ''),
'event': request.args.get('event', ''),
'session_id': request.args.get('session_id', ''),
'user_name': request.args.get('user_name', ''),
'sql_id': request.args.get('sql_id', ''),
'object_name': request.args.get('object_name', '')
}
_optional = {
'wait_class': 'str',
'event': 'str',
'session_id': 'int',
'user_name': 'str',
'sql_id': 'str',
'object_name': 'str'
}
error, optional_values = parse_parameters(optional_source, _optional, True)
if error:
flash(f'Incorrect value: {error}')
return render_template('top_activity.html')
optional_values = {k: v for k, v in optional_values.items() if v}
r = execute(
target, "with h as (select sample_id, sample_time,"
" sql_id, o.object_name, event, event_id, user_id, session_id,"
" to_char(session_id) || ':' || to_char(session_serial#) sess"
", nvl(wait_class, 'CPU') wait_class"
", nvl(wait_class_id, -1) wait_class_id"
", wait_time, time_waited from v$active_session_history ash"
" left join dba_objects o on o.object_id = ash.current_obj#"
" where sample_time >= trunc(:start_date, 'mi') and sample_time < trunc(:end_date, 'mi')"
" and sample_time > trunc(sysdate){}{}{}{}{}{})"
" select 1 t, to_char(sample_time, 'hh24:mi') s, wait_class v1, wait_class_id v2, count(1) c"
" from h group by to_char(sample_time, 'hh24:mi'), wait_class, wait_class_id union all"
" select 2 t, sql_id s, wait_class v1, wait_class_id v2, count(1) c from h"
" where sql_id is not null and sql_id in (select sql_id"
" from (select sql_id, row_number() over (order by tc desc) rn"
" from (select sql_id, count(1) tc from h"
" where sql_id is not null group by sql_id)) where rn <= 10)"
" group by sql_id, wait_class, wait_class_id union all"
" select 6 t, to_char(h.session_id) || ':' || nvl(u.username, '') s,"
" wait_class v1, wait_class_id v2, count(1) c from h"
" left join dba_users u on u.user_id = h.user_id"
" where sess in (select sess"
" from (select sess, row_number() over (order by tc desc) rn"
" from (select sess, count(1) tc from h"
" group by sess)) where rn <= 10)"
" group by to_char(h.session_id) || ':' || nvl(u.username, ''), wait_class, wait_class_id union all"
" select 3 t, object_name s, wait_class v1, wait_class_id v2, count(1) c from h"
" where object_name is not null and object_name in (select object_name"
" from (select object_name, row_number() over (order by tc desc) rn"
" from (select object_name, count(1) tc from h"
" where object_name is not null group by object_name))"
" where rn <= 10) group by object_name, wait_class, wait_class_id union all"
" select 4 t, null s, wait_class v1, wait_class_id v2, count(1) c"
" from h group by wait_class, wait_class_id union all"
" select 5 t, null s, event v1, event_id v2, count(1) c"
" from h group by event, event_id union all"
" select 7 t, to_char(sample_time, 'hh24:mi:ss') s, null v1, null v2, count(distinct session_id) c"
" from h group by to_char(sample_time, 'hh24:mi:ss') union all"
" select 8 t, null s, null v1, null v2, to_number(value) c"
" from v$parameter where name = 'cpu_count' union all"
" select 9 t, null s, null v1, null v2, to_number(value) c"
" from v$parameter where name = 'sessions' order by 1, 4, 2".format(
" and nvl(wait_class, 'CPU') like :wait_class"
if optional_values.get('wait_class', '') else "",
" and event like :event" if optional_values.get(
'event', '') else "", " and session_id = :session_id"
if optional_values.get('session_id', '') else "",
" and sql_id = :sql_id" if optional_values.get(
'sql_id', '') else "", " and object_name like :object_name"
if optional_values.get('object_name', '') else "",
" and user_id in (select user_id from dba_users "
"where username like :user_name)" if optional_values.get(
'user_name', '') else ""), {
**required_values,
**optional_values
})
colors = {
'Other': '#F06EAA',
'Application': '#C02800',
'Configuration': '#5C440B',
'Administrative': '#717354',
'Concurrency': '#8B1A00',
'Commit': '#E46800',
'Idle': '#FFFFFF',
'Network': '#9F9371',
'User I/O': '#004AE7',
'System I/O': '#0094E7',
'Scheduler': '#CCFFCC',
'Queueing': '#C2B79B',
'CPU': '#00CC00'
}
series = {
k[1]: []
for k in sorted(set((item[3], item[2]) for item in r if item[0] == 1),
key=lambda x: x[0])
}
p = deepcopy(app.config['CHART_CONFIG'])
p['style'].colors = tuple(colors[wait_class]
for wait_class in series.keys())
p['height'] = 10 * 22
session_count = max(tuple(item[4] for item in r if item[0] == 7) or (0, ))
session_limit = max(tuple(item[4] for item in r if item[0] == 9) or (0, ))
cpu_count = max(tuple(item[4] for item in r if item[0] == 8) or (0, ))
top_activity = StackedLine(**p,
legend_at_bottom=True,
legend_at_bottom_columns=len(series.keys()),
title=f'sessions(max): {session_count}, '
f'sessions(limit): {session_limit}, '
f'cpu cores: {cpu_count};')
top_activity.fill = True
top_activity.x_labels = sorted(set(item[1] for item in r if item[0] == 1))
top_activity.x_labels_major_every = max(
-(-len(top_activity.x_labels) // 20), 1)
top_activity.truncate_label = 5
top_activity.show_minor_x_labels = False
for label in top_activity.x_labels:
for serie in series.keys():
v = tuple(
item[4] for item in r
if item[0] == 1 and item[1] == label and item[2] == serie)
series[serie].append(v[0] if len(v) > 0 else 0)
for serie in series.keys():
top_activity.add(serie, series[serie], show_dots=False)
top_sql = HorizontalStackedBar(**p)
top_sql.show_legend = False
top_sql.width = 400
top_sql.show_x_labels = False
top_sql.x_labels = sorted(set(item[1] for item in r if item[0] == 2),
key=lambda x: sum(
tuple(item[4] for item in r
if item[0] == 2 and item[1] == x)))
top_sql.height = len(top_sql.x_labels) * 22
series = {
k[1]: []
for k in sorted(set((item[3], item[2]) for item in r if item[0] == 2),
key=lambda x: x[0])
}
for label in top_sql.x_labels:
for serie in series.keys():
v = tuple(
item[4] for item in r
if item[0] == 2 and item[1] == label and item[2] == serie)
series[serie].append(v[0] if len(v) > 0 else 0)
for serie in series.keys():
# todo https://github.com/Kozea/pygal/issues/18
top_sql.add(serie, [
dict(value=item,
color=colors[serie],
xlink=dict(href=url_for('get_query',
target=target,
query=top_sql.x_labels[i],
_external=True),
target='_blank'))
for i, item in enumerate(series[serie])
])
top_objects = HorizontalStackedBar(**p)
top_objects.show_legend = False
top_objects.width = 400
top_objects.show_x_labels = False
top_objects.x_labels = sorted(set(item[1] for item in r if item[0] == 3),
key=lambda x: sum(
tuple(item[4] for item in r
if item[0] == 3 and item[1] == x)))
series = {
k[1]: []
for k in sorted(set((item[3], item[2]) for item in r if item[0] == 3),
key=lambda x: x[0])
}
top_objects.height = len(top_objects.x_labels) * 22
for label in top_objects.x_labels:
for serie in series.keys():
v = tuple(
item[4] for item in r
if item[0] == 3 and item[1] == label and item[2] == serie)
series[serie].append(v[0] if len(v) > 0 else 0)
for serie in series.keys():
top_objects.add(
serie,
[dict(value=item, color=colors[serie]) for item in series[serie]])
pie_type = 5 if 'wait_class' in optional_values.keys(
) or 'event' in optional_values.keys() else 4
top_waits = Pie(**p)
top_waits.show_legend = False
top_waits.width = 140
top_waits.width = 140
top_waits.inner_radius = 0.5
labels = tuple(
k[1]
for k in sorted(set(
(item[3], item[2]) for item in r if item[0] == pie_type),
key=lambda x: x[0] if isinstance(x[0], int) else 0))
for label in labels:
top_waits.add(
label,
tuple(item[4] for item in r
if item[0] == pie_type and item[2] == label)[0])
top_sessions = HorizontalStackedBar(**p)
top_sessions.show_legend = False
top_sessions.width = 300
top_sessions.show_x_labels = False
top_sessions.x_labels = sorted(
set(item[1] for item in r if item[0] == 6),
key=lambda x: sum(
tuple(item[4] for item in r if item[0] == 6 and item[1] == x)))
top_sessions.height = len(top_sessions.x_labels) * 22
series = {
k[1]: []
for k in sorted(set((item[3], item[2]) for item in r if item[0] == 6),
key=lambda x: x[0])
}
for label in top_sessions.x_labels:
for serie in series.keys():
v = tuple(
item[4] for item in r
if item[0] == 6 and item[1] == label and item[2] == serie)
series[serie].append(v[0] if len(v) > 0 else 0)
for serie in series.keys():
top_sessions.add(serie, [
dict(value=item,
color=colors[serie],
xlink=dict(
href=url_for('get_session',
target=target,
sid=top_sessions.x_labels[i].split(':')[0],
_external=True),
target='_blank')) for i, item in enumerate(series[serie])
])
return render_template(
'top_activity.html',
top_activity=top_activity.render_data_uri(),
top_sql=top_sql.render_data_uri()
if 'sql_id' not in optional_values.keys() else None,
top_sessions=top_sessions.render_data_uri()
if 'session_id' not in optional_values.keys() else None,
top_objects=top_objects.render_data_uri(),
top_waits=top_waits.render_data_uri() if labels else None)
def get_scan_speed(target, owner, table):
r = execute(
target, "select owner, table_name from all_tables"
" where owner = :owner and table_name = :p_table", {
'owner': owner,
'p_table': table
}, 'one')
if not r:
abort(404)
owner_name, table_name = r
part_list = execute(
target, "select partition_name from all_tab_partitions"
" where table_owner = :owner and table_name = :p_table"
" order by partition_name", {
'owner': owner_name,
'p_table': table_name
})
start_table_scan_time = time()
scan_results = []
if part_list:
r = execute(
target,
"select nvl(sp.partition_name, s.partition_name) partition_name"
" , round(nvl(sum(bytes) / 1024 / 1024, 0)) size_mb"
" from dba_segments s left join all_tab_subpartitions sp"
" on sp.table_owner = s.owner and sp.table_name = s.segment_name"
" and s.partition_name = sp.subpartition_name"
" where s.owner = :owner and s.segment_name = :p_table"
" group by nvl(sp.partition_name, s.partition_name) order by 1", {
'owner': owner_name,
'p_table': table_name
})
part_size = {item[0]: item[1] for item in r}
for partition in part_list:
start_part_scan_time = time()
r = execute(
target, f"select /*+ no_index(t) */ count(*)"
f" from {owner_name}.{table_name} partition ({partition[0]}) t",
{}, 'one')
finish_part_scan_time = time()
scan_results.append(
(partition[0], r[0],
round(finish_part_scan_time - start_part_scan_time),
part_size.get(partition[0], 0)))
else:
r = execute(
target,
f"select /*+ no_index(t) */ count(*) from {owner_name}.{table_name} t",
{}, 'one')
table_size = execute(
target, "select round(nvl(sum(bytes) / 1024 / 1024, 0)) size_mb"
" from dba_segments where owner = :owner and segment_name = :p_table",
{
'owner': owner_name,
'p_table': table_name
}, 'one')
scan_results.append(
(table_name, r[0], round(time() - start_table_scan_time),
table_size[0]))
finish_table_scan_time = time()
output_data = []
for item in scan_results:
output_data.append(
(item[0], item[2], item[1],
item[1] if item[2] == 0 else round(item[1] / item[2]), item[3],
item[3] if item[2] == 0 else round(item[3] / item[2])))
if part_list:
total_row_count = sum(list(zip(*output_data))[2])
total_scan_time = round(finish_table_scan_time - start_table_scan_time)
total_size = sum(part_size.values())
output_data.append(
('TOTAL:', total_scan_time, total_row_count,
total_row_count if total_scan_time == 0 else round(
total_row_count / total_scan_time), total_size,
total_size if total_scan_time == 0 else round(total_size /
total_scan_time)))
return render_template(
'static_list.html',
text=
f'Completed in {((finish_table_scan_time - start_table_scan_time) / 60):.1f} minutes.',
data=output_data)
def wait_for_status(t):
if not t.data:
t.parameters = upper_values(t.parameters)
t.parameters['status_values'] = dlm_str_to_list(t.parameters['status_values'])
t.parameters['info_column'] = dlm_str_to_list(t.parameters['info_column'])
table_columns = get_tab_columns(t.target, t.parameters['owner'], t.parameters['table'])
for item in [t.parameters['date_column'], t.parameters['status_column']] + t.parameters['info_column']:
if item not in table_columns.keys():
return t.abort(f'{t.parameters["owner"]}.{t.parameters["table"]}.{item} not found.')
if 'DATE' not in table_columns[t.parameters['date_column']]:
return t.abort(f'{t.parameters["date_column"]} must be a date type.')
status_type = table_columns[t.parameters['status_column']]
if status_type != 'NUMBER' and 'CHAR' not in status_type:
return t.abort(f'Unsupported type of {t.parameters["status_column"]} (neither number nor char).')
if status_type == 'NUMBER':
try:
t.parameters['status_values'] = [int(v) for v in t.parameters['status_values']]
except ValueError:
return t.abort(f'All of status values ({t.parameters["status_values"]}) must be numbers.')
t.parameters['info_column'] = {k: table_columns[k] for k in t.parameters['info_column']}
filter_column_type = ''
if t.optional.get('filter_column', False):
if t.optional['filter_column'] not in table_columns.keys():
return t.abort(f'{t.parameters["owner"]}.{t.parameters["table"]}'
f'.{t.optional["filter_column"]} not found.')
filter_column_type = table_columns[t.optional['filter_column']]
if filter_column_type != 'NUMBER' and 'CHAR' not in filter_column_type:
return t.abort(f'Unsupported type of {t.optional["filter_column"]} (neither number nor char).')
if not t.optional.get('filter_value', False):
return t.abort('Filter value is not set.')
if filter_column_type == 'NUMBER':
try:
t.optional['filter_value'] = int(t.optional['filter_value'])
except ValueError:
return t.abort(f'Filter value must be a number.')
t.data = {'status_values': t.parameters['status_values']
, 'status_type': status_type
, 'start_date': t.create_date
, 'filter_column_type': filter_column_type}
end_date = datetime.now()
p = {str(k): v for k, v in enumerate(t.data['status_values'], start=1)}
p['start_date'] = t.data['start_date']
p['end_date'] = end_date
p['filter_value'] = t.optional.get('filter_value', '1')
info_column_list = []
for c, ct in t.parameters['info_column'].items():
if ct == 'CLOB':
info_column_list.append(f"cast(dbms_lob.substr({c}, 255) as varchar2(255))")
elif 'CHAR' in ct:
info_column_list.append(f"substr(to_char({c}), 0, 255)")
else:
info_column_list.append(f"to_char({c})")
info_column_sql_text = ' || \' \' || '.join(info_column_list)
filter_column = t.optional.get('filter_column', '\'1\'')
r = execute(t.target
, f"select to_char({t.parameters['date_column']}, 'hh24:mi:ss')"
f", {info_column_sql_text}"
f", {t.parameters['status_column']}"
f" from {t.parameters['owner']}.{t.parameters['table']}"
f" where {t.parameters['date_column']} >= :start_date"
f" and {t.parameters['date_column']} < :end_date"
f" and {'upper' if t.data['status_type'] != 'NUMBER' else ''}"
f"({t.parameters['status_column']})"
f" in ({':' + ', :'.join(str(i) for i in range(1, len(t.data['status_values']) + 1))})"
f" and {filter_column} = :filter_value"
, p
, 'many'
, False)
t.data['start_date'] = end_date
return t.get_message(r
, lambda o, i: f'{i[0]} {i[1]}'.replace('<', '<').replace('>', '>')
, lambda o: f'{o.parameters["table"]} ({o.target})')