def table_metric_mbeans_test(self):
"""
Test some basic table metric mbeans with simple writes.
"""
cluster = self.cluster
cluster.populate(3)
node1, node2, node3 = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start(wait_for_binary_proto=True)
version = cluster.version()
node1.stress(['write', 'n=10K', '-schema', 'replication(factor=3)'])
typeName = "ColumnFamily" if version <= '2.2.X' else 'Table'
debug('Version {} typeName {}'.format(version, typeName))
# TODO the keyspace and table name are capitalized in 2.0
memtable_size = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='AllMemtablesHeapSize')
disk_size = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='LiveDiskSpaceUsed')
sstable_count = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='LiveSSTableCount')
with JolokiaAgent(node1) as jmx:
mem_size = jmx.read_attribute(memtable_size, "Value")
self.assertGreater(int(mem_size), 10000)
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertEquals(int(on_disk_size), 0)
node1.flush()
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertGreater(int(on_disk_size), 10000)
sstables = jmx.read_attribute(sstable_count, "Value")
self.assertGreaterEqual(int(sstables), 1)
def table_metric_mbeans_test(self):
"""
Test some basic table metric mbeans with simple writes.
"""
cluster = self.cluster
cluster.populate(3)
node1, node2, node3 = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start(wait_for_binary_proto=True)
version = cluster.version()
if version < "2.1":
node1.stress(
['-o', 'insert', '--num-keys=10000', '--replication-factor=3'])
else:
node1.stress(
['write', 'n=10000', '-schema', 'replication(factor=3)'])
typeName = "ColumnFamily" if version <= '2.2.X' else 'Table'
debug('Version {} typeName {}'.format(version, typeName))
# TODO the keyspace and table name are capitalized in 2.0
memtable_size = make_mbean('metrics',
type=typeName,
keyspace='keyspace1',
scope='standard1',
name='AllMemtablesHeapSize')
disk_size = make_mbean('metrics',
type=typeName,
keyspace='keyspace1',
scope='standard1',
name='LiveDiskSpaceUsed')
sstable_count = make_mbean('metrics',
type=typeName,
keyspace='keyspace1',
scope='standard1',
name='LiveSSTableCount')
with JolokiaAgent(node1) as jmx:
mem_size = jmx.read_attribute(memtable_size, "Value")
self.assertGreater(int(mem_size), 10000)
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertEquals(int(on_disk_size), 0)
node1.flush()
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertGreater(int(on_disk_size), 10000)
sstables = jmx.read_attribute(sstable_count, "Value")
self.assertGreaterEqual(int(sstables), 1)
def _deprecated_repair_jmx(self, method, arguments):
cluster = self.cluster
debug("Starting cluster..")
cluster.populate([1, 1])
node1, node2 = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start()
session = self.patient_cql_connection(node1)
self.create_ks(session, 'ks', 2)
self.create_cf(session, 'cf', read_repair=0.0, columns={'c1': 'text', 'c2': 'text'})
insert_c1c2(session, n=1000, consistency=ConsistencyLevel.ALL)
# Run repair
mbean = make_mbean('db', 'StorageService')
with JolokiaAgent(node1) as jmx:
# assert repair runs and returns valid cmd number
self.assertEqual(jmx.execute_method(mbean, method, arguments), 1)
# wait for log to start
node1.watch_log_for("Starting repair command")
# get repair parameters from the log
l = node1.grep_log("Starting repair command #1, repairing keyspace ks with repair options \(parallelism: (?P<parallelism>\w+), primary range: (?P<pr>\w+), incremental: (?P<incremental>\w+), job threads: (?P<jobs>\d+), ColumnFamilies: (?P<cfs>.+), dataCenters: (?P<dc>.+), hosts: (?P<hosts>.+), # of ranges: (?P<ranges>\d+)\)")
self.assertEqual(len(l), 1)
line, m = l[0]
return {"parallelism": m.group("parallelism"),
"primary_range": m.group("pr"),
"incremental": m.group("incremental"),
"job_threads": m.group("jobs"),
"column_families": m.group("cfs"),
"data_centers": m.group("dc"),
"hosts": m.group("hosts"),
"ranges": m.group("ranges")}
def overlapping_data_folders(self):
"""
@jira_ticket CASSANDRA-10902
"""
self.cluster.populate(1)
node1 = self.cluster.nodelist()[0]
default_path = node1.data_directories()[0]
node1.set_configuration_options({
'saved_caches_directory':
os.path.join(default_path, 'saved_caches')
})
remove_perf_disable_shared_mem(node1)
self.cluster.start(wait_for_binary_proto=True)
session = self.patient_exclusive_cql_connection(node1)
session.execute(
"CREATE KEYSPACE ks WITH REPLICATION = {'class': 'SimpleStrategy', 'replication_factor': 1}"
)
session.execute("CREATE TABLE ks.tab (key int PRIMARY KEY, a int)")
session.execute("INSERT INTO ks.tab (key, a) VALUES (%s, %s)", [0, 0])
session.execute("SELECT * FROM ks.tab WHERE key = %s", [0])
cache_service = make_mbean('db', type="Caches")
with JolokiaAgent(node1) as jmx:
jmx.execute_method(cache_service, 'saveCaches')
self.cluster.stop()
self.cluster.start(wait_for_binary_proto=True)
def columnfamily_metric(node, keyspace, table, name):
with JolokiaAgent(node) as jmx:
mbean = make_mbean('metrics', type='ColumnFamily',
name=name, keyspace=keyspace, scope=table)
value = jmx.read_attribute(mbean, 'Value')
return value
def blacklisted_directory_test(self):
cluster = self.cluster
cluster.set_datadir_count(3)
cluster.populate(1)
[node] = cluster.nodelist()
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node)
self.create_ks(session, 'ks', 1)
create_c1c2_table(self, session)
insert_c1c2(session, n=10000)
node.flush()
for k in xrange(0, 10000):
query_c1c2(session, k)
node.compact()
mbean = make_mbean('db', type='BlacklistedDirectories')
with JolokiaAgent(node) as jmx:
jmx.execute_method(mbean, 'markUnwritable', [os.path.join(node.get_path(), 'data0')])
for k in xrange(0, 10000):
query_c1c2(session, k)
node.nodetool('relocatesstables')
for k in xrange(0, 10000):
query_c1c2(session, k)
def blacklisted_directory_test(self):
cluster = self.cluster
cluster.set_datadir_count(3)
cluster.populate(1)
[node] = cluster.nodelist()
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node)
self.create_ks(session, 'ks', 1)
create_c1c2_table(self, session)
insert_c1c2(session, n=10000)
node.flush()
for k in xrange(0, 10000):
query_c1c2(session, k)
node.compact()
mbean = make_mbean('db', type='BlacklistedDirectories')
with JolokiaAgent(node) as jmx:
jmx.execute_method(mbean, 'markUnwritable',
[os.path.join(node.get_path(), 'data0')])
for k in xrange(0, 10000):
query_c1c2(session, k)
node.nodetool('relocatesstables')
for k in xrange(0, 10000):
query_c1c2(session, k)
def table_metric(node, keyspace, table, name):
version = node.get_cassandra_version()
typeName = "ColumnFamily" if version <= '2.2.X' else 'Table'
with JolokiaAgent(node) as jmx:
mbean = make_mbean('metrics', type=typeName,
name=name, keyspace=keyspace, scope=table)
value = jmx.read_attribute(mbean, 'Value')
return value
def table_metric(node, keyspace, table, name):
version = node.get_cassandra_version()
typeName = "ColumnFamily" if version <= '2.2.X' else 'Table'
with JolokiaAgent(node) as jmx:
mbean = make_mbean('metrics', type=typeName,
name=name, keyspace=keyspace, scope=table)
value = jmx.read_attribute(mbean, 'Value')
return value
def _deprecated_repair_jmx(self, method, arguments):
"""
* Launch a two node, two DC cluster
* Create a keyspace and table
* Insert some data
* Call the deprecated repair JMX API based on the arguments passed into this method
* Check the node log to see if the correct repair was performed based on the jmx args
"""
cluster = self.cluster
debug("Starting cluster..")
cluster.populate([1, 1])
node1, node2 = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start()
session = self.patient_cql_connection(node1)
self.create_ks(session, 'ks', 2)
self.create_cf(session,
'cf',
read_repair=0.0,
columns={
'c1': 'text',
'c2': 'text'
})
insert_c1c2(session, n=1000, consistency=ConsistencyLevel.ALL)
# Run repair
mbean = make_mbean('db', 'StorageService')
with JolokiaAgent(node1) as jmx:
# assert repair runs and returns valid cmd number
self.assertEqual(jmx.execute_method(mbean, method, arguments), 1)
# wait for log to start
node1.watch_log_for("Starting repair command")
# get repair parameters from the log
l = node1.grep_log((
"Starting repair command #1, repairing keyspace ks with repair options \(parallelism: (?P<parallelism>\w+), primary range: (?P<pr>\w+), "
"incremental: (?P<incremental>\w+), job threads: (?P<jobs>\d+), ColumnFamilies: (?P<cfs>.+), dataCenters: (?P<dc>.+), "
"hosts: (?P<hosts>.+), # of ranges: (?P<ranges>\d+)\)"))
self.assertEqual(len(l), 1)
line, m = l[0]
return {
"parallelism": m.group("parallelism"),
"primary_range": m.group("pr"),
"incremental": m.group("incremental"),
"job_threads": m.group("jobs"),
"column_families": m.group("cfs"),
"data_centers": m.group("dc"),
"hosts": m.group("hosts"),
"ranges": m.group("ranges")
}
def test_closing_connections(self):
"""
@jira_ticket CASSANDRA-6546
Test CASSANDRA-6546 - do connections get closed when disabling / renabling thrift service?
"""
cluster = self.cluster
cluster.set_configuration_options(values={
'start_rpc': 'true',
'rpc_server_type': 'hsha',
'rpc_max_threads': 20
})
cluster.populate(1)
(node1, ) = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node1)
self.create_ks(session, 'test', 1)
session.execute(
"CREATE TABLE \"CF\" (key text PRIMARY KEY, val text) WITH COMPACT STORAGE;"
)
def make_connection():
pool = pycassa.ConnectionPool('test', timeout=None)
cf = pycassa.ColumnFamily(pool, 'CF')
return pool
pools = []
connected_thrift_clients = make_mbean('metrics',
type='Client',
name='connectedThriftClients')
for i in xrange(10):
debug("Creating connection pools..")
for x in xrange(3):
pools.append(make_connection())
debug("Disabling/Enabling thrift iteration #{i}".format(i=i))
node1.nodetool('disablethrift')
node1.nodetool('enablethrift')
debug("Closing connections from the client side..")
for pool in pools:
pool.dispose()
with JolokiaAgent(node1) as jmx:
num_clients = jmx.read_attribute(connected_thrift_clients,
"Value")
self.assertEqual(
int(num_clients), 0,
"There are still open Thrift connections after stopping service"
)
def test_closing_connections(self):
"""
@jira_ticket CASSANDRA-6546
Test CASSANDRA-6546 - do connections get closed when disabling / renabling thrift service?
"""
cluster = self.cluster
cluster.set_configuration_options(values={
'start_rpc': 'true',
'rpc_server_type': 'hsha',
'rpc_max_threads': 20
})
cluster.populate(1)
(node1,) = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node1)
self.create_ks(session, 'test', 1)
session.execute("CREATE TABLE \"CF\" (key text PRIMARY KEY, val text) WITH COMPACT STORAGE;")
def make_connection():
pool = pycassa.ConnectionPool('test', timeout=None)
cf = pycassa.ColumnFamily(pool, 'CF')
return pool
pools = []
connected_thrift_clients = make_mbean('metrics', type='Client', name='connectedThriftClients')
for i in xrange(10):
debug("Creating connection pools..")
for x in xrange(3):
pools.append(make_connection())
debug("Disabling/Enabling thrift iteration #{i}".format(i=i))
node1.nodetool('disablethrift')
node1.nodetool('enablethrift')
debug("Closing connections from the client side..")
for pool in pools:
pool.dispose()
with JolokiaAgent(node1) as jmx:
num_clients = jmx.read_attribute(connected_thrift_clients, "Value")
self.assertEqual(int(num_clients), 0, "There are still open Thrift connections after stopping service")
def overlapping_data_folders(self):
"""
@jira_ticket CASSANDRA-10902
"""
self.cluster.populate(1)
node1 = self.cluster.nodelist()[0]
default_path = node1.data_directories()[0]
node1.set_configuration_options({'saved_caches_directory': os.path.join(default_path, 'saved_caches')})
remove_perf_disable_shared_mem(node1)
self.cluster.start(wait_for_binary_proto=True)
session = self.patient_exclusive_cql_connection(node1)
session.execute("CREATE KEYSPACE ks WITH REPLICATION = {'class': 'SimpleStrategy', 'replication_factor': 1}")
session.execute("CREATE TABLE ks.tab (key int PRIMARY KEY, a int)")
session.execute("INSERT INTO ks.tab (key, a) VALUES (%s, %s)", [0, 0])
session.execute("SELECT * FROM ks.tab WHERE key = %s", [0])
cache_service = make_mbean('db', type="Caches")
with JolokiaAgent(node1) as jmx:
jmx.execute_method(cache_service, 'saveCaches')
self.cluster.stop()
self.cluster.start(wait_for_binary_proto=True)
def test_compactionstats(self):
"""
@jira_ticket CASSANDRA-10504
@jira_ticket CASSANDRA-10427
Test that jmx MBean used by nodetool compactionstats
properly updates the progress of a compaction
"""
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
# Run a quick stress command to create the keyspace and table
node.stress(['write', 'n=1'])
# Disable compaction on the table
node.nodetool('disableautocompaction keyspace1 standard1')
node.nodetool('setcompactionthroughput 1')
node.stress(['write', 'n=150K'])
node.flush()
# Run a major compaction. This will be the compaction whose
# progress we track.
node.nodetool('compact', capture_output=False, wait=False)
# We need to sleep here to give compaction time to start
# Why not do something smarter? Because if the bug regresses,
# we can't rely on jmx to tell us that compaction started.
time.sleep(5)
compaction_manager = make_mbean('db', type='CompactionManager')
with JolokiaAgent(node) as jmx:
progress_string = jmx.read_attribute(compaction_manager, 'CompactionSummary')[0]
# Pause in between reads
# to allow compaction to move forward
time.sleep(2)
updated_progress_string = jmx.read_attribute(compaction_manager, 'CompactionSummary')[0]
progress = int(re.search('standard1, (\d+)\/', progress_string).groups()[0])
updated_progress = int(re.search('standard1, (\d+)\/', updated_progress_string).groups()[0])
debug(progress_string)
debug(updated_progress_string)
# We want to make sure that the progress is increasing,
# and that values other than zero are displayed.
self.assertGreater(updated_progress, progress)
self.assertGreaterEqual(progress, 0)
self.assertGreater(updated_progress, 0)
# Block until the major compaction is complete
# Otherwise nodetool will throw an exception
# Give a timeout, in case compaction is broken
# and never ends.
start = time.time()
max_query_timeout = 600
debug("Waiting for compaction to finish:")
while (len(jmx.read_attribute(compaction_manager, 'CompactionSummary')) > 0) and (time.time() - start < max_query_timeout):
debug(jmx.read_attribute(compaction_manager, 'CompactionSummary'))
time.sleep(2)
def test_upgrade_index_summary(self):
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
original_install_dir = node.get_install_dir()
# start out with a 2.0 version
cluster.set_install_dir(version='2.0.12')
node.set_install_dir(version='2.0.12')
node.set_log_level("INFO")
node.stop()
remove_perf_disable_shared_mem(node)
cluster.start()
# Insert enough partitions to fill a full sample's worth of entries
# in the index summary. The default index_interval is 128, so every
# 128th partition will get an entry in the summary. The minimal downsampling
# operation will remove every 128th entry in the summary. So, we need
# to have 128 entries in the summary, which means 128 * 128 partitions.
session = self.patient_cql_connection(node, protocol_version=2)
session.execute(
"CREATE KEYSPACE testindexsummary WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}"
)
session.set_keyspace("testindexsummary")
session.execute("CREATE TABLE test (k int PRIMARY KEY, v int)")
insert_statement = session.prepare(
"INSERT INTO test (k, v) VALUES (? , ?)")
execute_concurrent_with_args(session, insert_statement,
[(i, i) for i in range(128 * 128)])
# upgrade to 2.1.3
session.cluster.shutdown()
node.drain()
node.watch_log_for("DRAINED")
node.stop()
cluster.set_install_dir(
version='2.1.3') # 2.1.3 is affected by CASSANDRA-8993
node.set_install_dir(version='2.1.3')
debug("Set new cassandra dir for %s: %s" %
(node.name, node.get_install_dir()))
# setup log4j / logback again (necessary moving from 2.0 -> 2.1)
node.set_log_level("INFO")
remove_perf_disable_shared_mem(node)
node.start()
session = self.patient_cql_connection(node)
mbean = make_mbean('db', 'IndexSummaries')
with JolokiaAgent(node) as jmx:
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
self.assertEqual(128.0, avg_interval)
# force downsampling of the index summary (if it were allowed)
jmx.write_attribute(mbean, 'MemoryPoolCapacityInMB', 0)
jmx.execute_method(mbean, 'redistributeSummaries')
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
# after downsampling, the average interval goes up
self.assertGreater(avg_interval, 128.0)
# upgrade to the latest 2.1+ by using the original install dir
session.cluster.shutdown()
node.drain()
node.watch_log_for("DRAINED")
node.stop()
cluster.set_install_dir(original_install_dir)
node.set_install_dir(original_install_dir)
debug("Set new cassandra dir for %s: %s" %
(node.name, node.get_install_dir()))
node.set_log_level("INFO")
remove_perf_disable_shared_mem(node)
node.start()
# on startup, it should detect that the old-format sstable had its
# index summary downsampled (forcing it to be rebuilt)
node.watch_log_for("Detected erroneously downsampled index summary")
session = self.patient_cql_connection(node)
mbean = make_mbean('db', 'IndexSummaries')
with JolokiaAgent(node) as jmx:
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
self.assertEqual(128.0, avg_interval)
# force downsampling of the index summary (if it were allowed)
jmx.write_attribute(mbean, 'MemoryPoolCapacityInMB', 0)
jmx.execute_method(mbean, 'redistributeSummaries')
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
# post-8993, it shouldn't allow downsampling of old-format sstables
self.assertEqual(128.0, avg_interval)
def begin_test(self):
"""
@jira_ticket CASSANDRA-7436
This test measures the values of MBeans before and after running a load. We expect
the values to change a certain way, and thus deem them as 'MBeanEqual','MBeanDecrement',
'MBeanIncrement', or a constant to experss this expected change. If the value does not reflect
this expected change, then it raises an AssertionError.
@jira_ticket CASSANDRA-9448
This test also makes sure to cover all metrics that were renamed by CASSANDRA-9448, in post 3.0
we also check that the old alias names are the same as the new names.
"""
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node)
self.create_ks(session, 'keyspace1', 1)
session.execute("""
CREATE TABLE keyspace1.counter1 (
key blob,
column1 ascii,
value counter,
PRIMARY KEY (key, column1)
) WITH COMPACT STORAGE
AND CLUSTERING ORDER BY (column1 ASC)
AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
AND comment = ''
AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
AND compression = {}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = 'NONE';
""")
with JolokiaAgent(node) as jmx:
debug("Cluster version {}".format(cluster.version()))
if cluster.version() <= '2.2.X':
mbean_values = MBEAN_VALUES_PRE('keyspace1', 'counter1')
mbean_aliases = None
else:
mbean_values = MBEAN_VALUES_POST('keyspace1', 'counter1')
mbean_aliases = MBEAN_VALUES_PRE('keyspace1', 'counter1')
before = []
for package, bean, bean_args, attribute, expected in mbean_values:
mbean = make_mbean(package, type=bean, **bean_args)
debug(mbean)
before.append(jmx.read_attribute(mbean, attribute))
if mbean_aliases:
alias_counter = 0
for package, bean, bean_args, attribute, expected in mbean_aliases:
mbean = make_mbean(package, type=bean, **bean_args)
debug(mbean)
self.assertEqual(before[alias_counter], jmx.read_attribute(mbean, attribute))
alias_counter += 1
node.stress(['write', 'n=100K'])
errors = []
after = []
attr_counter = 0
for package, bean, bean_args, attribute, expected in mbean_values:
mbean = make_mbean(package, type=bean, **bean_args)
a_value = jmx.read_attribute(mbean, attribute)
after.append(a_value)
b_value = before[attr_counter]
if expected == 'MBeanIncrement':
if b_value >= a_value:
errors.append(mbean + " has a before value of " + str(b_value) + " and after value of " + str(a_value) + " and did not increment" + "\n")
elif expected == 'MBeanDecrement':
if b_value <= a_value:
errors.append(mbean + " has a before value of " + str(b_value) + " and after value of " + str(a_value) + " and did not decrement" + "\n")
elif expected == 'MBeanEqual':
if b_value != a_value:
errors.append(mbean + " has a before value of " + str(b_value) + " and after value of " + str(a_value) + ", which are not equal" + "\n")
elif expected == 'MBeanZero':
if not (b_value == 0 and a_value == 0):
errors.append(mbean + " has a before value of " + str(b_value) + " and after value of " + str(a_value) + " and they do not equal zero" + "\n")
# If expected is none of the above, then expected should be a number.
else:
if a_value != expected:
errors.append(mbean + " has an after value of " + str(a_value) + " which does not equal " + str(expected) + "\n")
attr_counter += 1
self.assertEqual(len(errors), 0, "\n" + "\n".join(errors))
if mbean_aliases:
alias_counter = 0
for package, bean, bean_args, attribute, expected in mbean_aliases:
mbean = make_mbean(package, type=bean, **bean_args)
self.assertEqual(after[alias_counter], jmx.read_attribute(mbean, attribute))
alias_counter += 1
def commitlog_size(node):
commitlog_size_mbean = make_mbean('metrics', type='CommitLog', name='TotalCommitLogSize')
with JolokiaAgent(node) as jmx:
return jmx.read_attribute(commitlog_size_mbean, 'Value')
def test_upgrade_index_summary(self):
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
original_install_dir = node.get_install_dir()
# start out with a 2.0 version
cluster.set_install_dir(version='2.0.12')
node.set_install_dir(version='2.0.12')
node.set_log_level("INFO")
node.stop()
remove_perf_disable_shared_mem(node)
cluster.start()
# Insert enough partitions to fill a full sample's worth of entries
# in the index summary. The default index_interval is 128, so every
# 128th partition will get an entry in the summary. The minimal downsampling
# operation will remove every 128th entry in the summary. So, we need
# to have 128 entries in the summary, which means 128 * 128 partitions.
session = self.patient_cql_connection(node, protocol_version=2)
session.execute("CREATE KEYSPACE testindexsummary WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}")
session.set_keyspace("testindexsummary")
session.execute("CREATE TABLE test (k int PRIMARY KEY, v int)")
insert_statement = session.prepare("INSERT INTO test (k, v) VALUES (? , ?)")
execute_concurrent_with_args(session, insert_statement, [(i, i) for i in range(128 * 128)])
# upgrade to 2.1.3
session.cluster.shutdown()
node.drain()
node.watch_log_for("DRAINED")
node.stop()
cluster.set_install_dir(version='2.1.3') # 2.1.3 is affected by CASSANDRA-8993
node.set_install_dir(version='2.1.3')
debug("Set new cassandra dir for %s: %s" % (node.name, node.get_install_dir()))
# setup log4j / logback again (necessary moving from 2.0 -> 2.1)
node.set_log_level("INFO")
remove_perf_disable_shared_mem(node)
node.start()
session = self.patient_cql_connection(node)
mbean = make_mbean('db', 'IndexSummaries')
with JolokiaAgent(node) as jmx:
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
self.assertEqual(128.0, avg_interval)
# force downsampling of the index summary (if it were allowed)
jmx.write_attribute(mbean, 'MemoryPoolCapacityInMB', 0)
jmx.execute_method(mbean, 'redistributeSummaries')
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
# after downsampling, the average interval goes up
self.assertGreater(avg_interval, 128.0)
# upgrade to the latest 2.1+ by using the original install dir
session.cluster.shutdown()
node.drain()
node.watch_log_for("DRAINED")
node.stop()
cluster.set_install_dir(original_install_dir)
node.set_install_dir(original_install_dir)
debug("Set new cassandra dir for %s: %s" % (node.name, node.get_install_dir()))
node.set_log_level("INFO")
remove_perf_disable_shared_mem(node)
node.start()
# on startup, it should detect that the old-format sstable had its
# index summary downsampled (forcing it to be rebuilt)
node.watch_log_for("Detected erroneously downsampled index summary")
session = self.patient_cql_connection(node)
mbean = make_mbean('db', 'IndexSummaries')
with JolokiaAgent(node) as jmx:
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
self.assertEqual(128.0, avg_interval)
# force downsampling of the index summary (if it were allowed)
jmx.write_attribute(mbean, 'MemoryPoolCapacityInMB', 0)
jmx.execute_method(mbean, 'redistributeSummaries')
avg_interval = jmx.read_attribute(mbean, 'AverageIndexInterval')
# post-8993, it shouldn't allow downsampling of old-format sstables
self.assertEqual(128.0, avg_interval)
def test_compactionstats(self):
"""
@jira_ticket CASSANDRA-10504
@jira_ticket CASSANDRA-10427
Test that jmx MBean used by nodetool compactionstats
properly updates the progress of a compaction
"""
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
# Run a quick stress command to create the keyspace and table
node.stress(['write', 'n=1', 'no-warmup'])
# Disable compaction on the table
node.nodetool('disableautocompaction keyspace1 standard1')
node.nodetool('setcompactionthroughput 1')
node.stress(['write', 'n=150K', 'no-warmup'])
node.flush()
# Run a major compaction. This will be the compaction whose
# progress we track.
node.nodetool_process('compact')
# We need to sleep here to give compaction time to start
# Why not do something smarter? Because if the bug regresses,
# we can't rely on jmx to tell us that compaction started.
time.sleep(5)
compaction_manager = make_mbean('db', type='CompactionManager')
with JolokiaAgent(node) as jmx:
progress_string = jmx.read_attribute(compaction_manager,
'CompactionSummary')[0]
# Pause in between reads
# to allow compaction to move forward
time.sleep(2)
updated_progress_string = jmx.read_attribute(
compaction_manager, 'CompactionSummary')[0]
progress = int(
re.search('standard1, (\d+)\/', progress_string).groups()[0])
updated_progress = int(
re.search('standard1, (\d+)\/',
updated_progress_string).groups()[0])
debug(progress_string)
debug(updated_progress_string)
# We want to make sure that the progress is increasing,
# and that values other than zero are displayed.
self.assertGreater(updated_progress, progress)
self.assertGreaterEqual(progress, 0)
self.assertGreater(updated_progress, 0)
# Block until the major compaction is complete
# Otherwise nodetool will throw an exception
# Give a timeout, in case compaction is broken
# and never ends.
start = time.time()
max_query_timeout = 600
debug("Waiting for compaction to finish:")
while (len(
jmx.read_attribute(compaction_manager,
'CompactionSummary')) >
0) and (time.time() - start < max_query_timeout):
debug(
jmx.read_attribute(compaction_manager,
'CompactionSummary'))
time.sleep(2)
def commitlog_size(node):
commitlog_size_mbean = make_mbean('metrics', type='CommitLog', name='TotalCommitLogSize')
with JolokiaAgent(node) as jmx:
return jmx.read_attribute(commitlog_size_mbean, 'Value')
def begin_test(self):
"""
@jira_ticket CASSANDRA-7436
This test measures the values of MBeans before and after running a load. We expect
the values to change a certain way, and thus deem them as 'MBeanEqual','MBeanDecrement',
'MBeanIncrement', or a constant to experss this expected change. If the value does not reflect
this expected change, then it raises an AssertionError.
@jira_ticket CASSANDRA-9448
This test also makes sure to cover all metrics that were renamed by CASSANDRA-9448, in post 3.0
we also check that the old alias names are the same as the new names.
"""
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
session = self.patient_cql_connection(node)
self.create_ks(session, 'keyspace1', 1)
session.execute("""
CREATE TABLE keyspace1.counter1 (
key blob,
column1 ascii,
value counter,
PRIMARY KEY (key, column1)
) WITH COMPACT STORAGE
AND CLUSTERING ORDER BY (column1 ASC)
AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
AND comment = ''
AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
AND compression = {}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = 'NONE';
""")
with JolokiaAgent(node) as jmx:
debug("Cluster version {}".format(cluster.version()))
if cluster.version() <= '2.2.X':
mbean_values = MBEAN_VALUES_PRE('keyspace1', 'counter1')
mbean_aliases = None
else:
mbean_values = MBEAN_VALUES_POST('keyspace1', 'counter1')
mbean_aliases = MBEAN_VALUES_PRE('keyspace1', 'counter1')
before = []
for package, bean, bean_args, attribute, expected in mbean_values:
mbean = make_mbean(package, type=bean, **bean_args)
debug(mbean)
before.append(jmx.read_attribute(mbean, attribute))
if mbean_aliases:
alias_counter = 0
for package, bean, bean_args, attribute, expected in mbean_aliases:
mbean = make_mbean(package, type=bean, **bean_args)
debug(mbean)
self.assertEqual(before[alias_counter],
jmx.read_attribute(mbean, attribute))
alias_counter += 1
node.stress(['write', 'n=100K'])
errors = []
after = []
attr_counter = 0
for package, bean, bean_args, attribute, expected in mbean_values:
mbean = make_mbean(package, type=bean, **bean_args)
a_value = jmx.read_attribute(mbean, attribute)
after.append(a_value)
b_value = before[attr_counter]
if expected == 'MBeanIncrement':
if b_value >= a_value:
errors.append(mbean + " has a before value of " +
str(b_value) + " and after value of " +
str(a_value) + " and did not increment" +
"\n")
elif expected == 'MBeanDecrement':
if b_value <= a_value:
errors.append(mbean + " has a before value of " +
str(b_value) + " and after value of " +
str(a_value) + " and did not decrement" +
"\n")
elif expected == 'MBeanEqual':
if b_value != a_value:
errors.append(mbean + " has a before value of " +
str(b_value) + " and after value of " +
str(a_value) + ", which are not equal" +
"\n")
elif expected == 'MBeanZero':
if not (b_value == 0 and a_value == 0):
errors.append(mbean + " has a before value of " +
str(b_value) + " and after value of " +
str(a_value) +
" and they do not equal zero" + "\n")
# If expected is none of the above, then expected should be a number.
else:
if a_value != expected:
errors.append(mbean + " has an after value of " +
str(a_value) + " which does not equal " +
str(expected) + "\n")
attr_counter += 1
self.assertEqual(len(errors), 0, "\n" + "\n".join(errors))
if mbean_aliases:
alias_counter = 0
for package, bean, bean_args, attribute, expected in mbean_aliases:
mbean = make_mbean(package, type=bean, **bean_args)
self.assertEqual(after[alias_counter],
jmx.read_attribute(mbean, attribute))
alias_counter += 1
def commitlog_size(node):
commitlog_size_mbean = make_mbean("metrics", type="CommitLog", name="TotalCommitLogSize")
with JolokiaAgent(node) as jmx:
return jmx.read_attribute(commitlog_size_mbean, "Value")