def write_permacache_from_dir(dirname):
# we want the whole list so that we can display accurate progress
# information. If we're operating on more than tens of millions of
# files, we should either bail out or tweak this to not need the
# whole list at once
allfiles = []
for root, dirs, files in os.walk(dirname):
for f in files:
allfiles.append(os.path.join(root, f))
for fname in progress(allfiles, persec=True):
try:
write_permacache_from_file(fname)
os.unlink(fname)
except:
mr_tools.status("failed on %r" % fname)
raise
mr_tools.status("Removing empty directories")
for root, dirs, files in os.walk(dirname, topdown=False):
for d in dirs:
dname = os.path.join(root, d)
try:
os.rmdir(dname)
except OSError as e:
if e.errno == errno.ENOTEMPTY:
mr_tools.status("%s not empty" % (dname,))
else:
raise
def rebuild_index(start_at=None, sleeptime=1, cls=Link, estimate=50000000,
chunk_size=1000):
if start_at is _REBUILD_INDEX_CACHE_KEY:
start_at = g.cache.get(start_at)
if not start_at:
raise ValueError("Told me to use '%s' key, but it's not set" %
_REBUILD_INDEX_CACHE_KEY)
q = cls._query(cls.c._deleted == (True, False),
sort=desc('_date'), data=True)
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q, verbosity=1000, estimate=estimate, persec=True,
key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
for x in range(5):
try:
inject(chunk)
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
g.cache.set(_REBUILD_INDEX_CACHE_KEY, last_update._fullname)
time.sleep(sleeptime)
def rebuild_link_index(start_at=None, sleeptime=1, cls=Link,
uploader=LinkUploader, doc_api='CLOUDSEARCH_DOC_API',
estimate=50000000, chunk_size=1000):
doc_api = getattr(g, doc_api)
uploader = uploader(doc_api)
q = cls._query(cls.c._deleted == (True, False), sort=desc('_date'))
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q, verbosity=1000, estimate=estimate, persec=True,
key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
uploader.things = chunk
for x in range(5):
try:
uploader.inject()
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
print "last updated %s" % last_update._fullname
time.sleep(sleeptime)
def port_cassavotes():
from r2.models import Vote, Account, Link, Comment
from r2.models.vote import CassandraVote, CassandraLinkVote, CassandraCommentVote
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, to36, progress
ts = [(Vote.rel(Account, Link), CassandraLinkVote),
(Vote.rel(Account, Comment), CassandraCommentVote)]
dataattrs = set(['valid_user', 'valid_thing', 'ip', 'organic'])
for prel, crel in ts:
vq = prel._query(sort=desc('_date'),
data=True,
eager_load=False)
vq = fetch_things2(vq)
vq = progress(vq, persec=True)
for v in vq:
t1 = to36(v._thing1_id)
t2 = to36(v._thing2_id)
cv = crel(thing1_id = t1,
thing2_id = t2,
date=v._date,
name=v._name)
for dkey, dval in v._t.iteritems():
if dkey in dataattrs:
setattr(cv, dkey, dval)
cv._commit(write_consistency_level=CL.ONE)
def get_participated():
users = {}
q = Account._query(Account.c.f2p != "", sort=asc("_date"), data=True)
for user in progress(fetch_things2(q)):
users[user._fullname] = user.f2p
return users
def write_permacache_from_dir(dirname):
for fname in progress(os.listdir(dirname), persec=True):
try:
fpath = os.path.join(dirname, fname)
write_permacache_from_file(fpath)
os.unlink(fpath)
except:
mr_tools.status('failed on %r' % fname)
raise
def port_cassahides():
from r2.models import SaveHide, CassandraHide
from r2.lib.db.tdb_cassandra import CL
from r2.lib.db.operators import desc
from r2.lib.utils import fetch_things2, timeago, progress
q = SaveHide._query(SaveHide.c._date > timeago("1 week"), SaveHide.c._name == "hide", sort=desc("_date"))
q = fetch_things2(q)
q = progress(q, estimate=1953374)
for sh in q:
CassandraHide._hide(sh._thing1, sh._thing2, write_consistency_level=CL.ONE)
def rebuild_index(after_id = None):
cls = Link
# don't pull spam/deleted
q = cls._query(sort=desc('_date'), data=True)
if after_id:
q._after(cls._byID(after_id))
q = fetch_things2(q)
q = progress(q, verbosity=1000, estimate=10000000, persec=True)
for chunk in in_chunks(q):
inject(chunk)
def port_cassasaves(after_id=None, estimate=12489897):
from r2.models import SaveHide, CassandraSave
from r2.lib.db.operators import desc
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, to36, progress
q = SaveHide._query(SaveHide.c._name == "save", sort=desc("_date"), data=False, eager_load=False)
if after_id is not None:
q._after(SaveHide._byID(after_id))
for sh in progress(fetch_things2(q), estimate=estimate):
csh = CassandraSave(thing1_id=to36(sh._thing1_id), thing2_id=to36(sh._thing2_id), date=sh._date)
csh._commit(write_consistency_level=CL.ONE)
def give_trophies(users):
for fullnames in in_chunks(progress(users, verbosity=50), size=50):
users = Account._by_fullname(fullnames, return_dict=False)
for user in users:
team = get_user_team(user)
trophy = Award.give_if_needed(
codename="f2p_orangered" if team == "red" else "f2p_periwinkle",
user=user,
)
if trophy:
trophy._commit()
sleep(.5)
def port_deleted_links(after_id=None):
from r2.models import Link
from r2.lib.db.operators import desc
from r2.models.query_cache import CachedQueryMutator
from r2.lib.db.queries import get_deleted_links
from r2.lib.utils import fetch_things2, in_chunks, progress
q = Link._query(Link.c._deleted == True, Link.c._spam == (True, False), sort=desc("_date"), data=True)
q = fetch_things2(q, chunk_size=500)
q = progress(q, verbosity=1000)
for chunk in in_chunks(q):
with CachedQueryMutator() as m:
for link in chunk:
query = get_deleted_links(link.author_id)
m.insert(query, [link])
def backfill_deleted_accounts(resume_id=None):
del_accts = Account._query(Account.c._deleted == True, sort=desc('_date'))
if resume_id:
del_accts._filter(Account.c._id < resume_id)
for i, account in enumerate(progress(fetch_things2(del_accts))):
# Don't kill the rabbit! Wait for the relevant queues to calm down.
if i % 1000 == 0:
del_len = get_queue_length('del_account_q')
cs_len = get_queue_length('cloudsearch_changes')
while (del_len > 1000 or
cs_len > 10000):
sys.stderr.write(("CS: %d, DEL: %d" % (cs_len, del_len)) + "\n")
sys.stderr.flush()
time.sleep(1)
del_len = get_queue_length('del_account_q')
cs_len = get_queue_length('cloudsearch_changes')
amqp.add_item('account_deleted', account._fullname)
def rebuild_index(after_id = None, estimate=10000000):
cls = Link
# don't pull spam/deleted
q = cls._query(sort=desc('_date'), data=True)
if after_id:
q._after(cls._byID(after_id))
q = fetch_things2(q)
def key(link):
# we're going back in time, so this will give us a good idea
# of how far we've gone
return "%s/%s" % (link._id, link._date)
q = progress(q, verbosity=1000, estimate=estimate, persec=True, key=key)
for chunk in in_chunks(q):
inject(chunk)
def _populate(after_id=None, estimate=54301242):
from r2.models import desc
from r2.lib.db import tdb_cassandra
from r2.lib import utils
# larger has a chance to decrease the number of Cassandra writes,
# but the probability is low
chunk_size = 5000
q = Comment._query(Comment.c._spam == (True, False), Comment.c._deleted == (True, False), sort=desc("_date"))
if after_id is not None:
q._after(Comment._byID(after_id))
q = utils.fetch_things2(q, chunk_size=chunk_size)
q = utils.progress(q, verbosity=chunk_size, estimate=estimate)
for chunk in utils.in_chunks(q, chunk_size):
chunk = filter(lambda x: hasattr(x, "link_id"), chunk)
update_comment_votes(chunk)
def rebuild_link_index(
start_at=None,
sleeptime=1,
cls=Link,
uploader=LinkUploader,
doc_api="CLOUDSEARCH_DOC_API",
estimate=50000000,
chunk_size=1000,
):
cache_key = _REBUILD_INDEX_CACHE_KEY % uploader.__name__.lower()
doc_api = getattr(g, doc_api)
uploader = uploader(doc_api)
if start_at is _REBUILD_INDEX_CACHE_KEY:
start_at = g.cache.get(cache_key)
if not start_at:
raise ValueError("Told me to use '%s' key, but it's not set" % cache_key)
q = cls._query(cls.c._deleted == (True, False), sort=desc("_date"), data=True)
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q, verbosity=1000, estimate=estimate, persec=True, key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
uploader.things = chunk
for x in range(5):
try:
uploader.inject()
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
g.cache.set(cache_key, last_update._fullname)
time.sleep(sleeptime)
def port_cassaurls(after_id=None, estimate=15231317):
from r2.models import Link, LinksByUrlAndSubreddit
from r2.lib.db import tdb_cassandra
from r2.lib.db.operators import desc
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, in_chunks, progress
q = Link._query(Link.c._spam == (True, False),
sort=desc('_date'), data=True)
if after_id:
q._after(Link._byID(after_id,data=True))
q = fetch_things2(q, chunk_size=500)
q = progress(q, estimate=estimate)
q = (l for l in q
if getattr(l, 'url', 'self') != 'self'
and not getattr(l, 'is_self', False))
chunks = in_chunks(q, 500)
for chunk in chunks:
for l in chunk:
LinksByUrlAndSubreddit.add_link(l)
def port_cassaurls(after_id=None, estimate=15231317):
from r2.models import Link, LinksByUrl
from r2.lib.db import tdb_cassandra
from r2.lib.db.operators import desc
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, in_chunks, progress
q = Link._query(Link.c._spam == (True, False), sort=desc("_date"), data=True)
if after_id:
q._after(Link._byID(after_id, data=True))
q = fetch_things2(q, chunk_size=500)
q = progress(q, estimate=estimate)
q = (l for l in q if getattr(l, "url", "self") != "self" and not getattr(l, "is_self", False))
chunks = in_chunks(q, 500)
for chunk in chunks:
with LinksByUrl._cf.batch(write_consistency_level=CL.ONE) as b:
for l in chunk:
k = LinksByUrl._key_from_url(l.url)
if k:
b.insert(k, {l._id36: l._id36})
def rebuild_link_index(start_at=None,
sleeptime=1,
cls=Link,
uploader=LinkUploader,
doc_api='CLOUDSEARCH_DOC_API',
estimate=50000000,
chunk_size=1000):
doc_api = getattr(g, doc_api)
uploader = uploader(doc_api)
q = cls._query(cls.c._deleted == (True, False), sort=desc('_date'))
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q,
verbosity=1000,
estimate=estimate,
persec=True,
key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
uploader.things = chunk
for x in range(5):
try:
uploader.inject()
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
print "last updated %s" % last_update._fullname
time.sleep(sleeptime)
def _populate(after_id=None, estimate=54301242):
from r2.models import desc
from r2.lib.db import tdb_cassandra
from r2.lib import utils
# larger has a chance to decrease the number of Cassandra writes,
# but the probability is low
chunk_size = 5000
q = Comment._query(Comment.c._spam == (True, False),
Comment.c._deleted == (True, False),
sort=desc('_date'))
if after_id is not None:
q._after(Comment._byID(after_id))
q = utils.fetch_things2(q, chunk_size=chunk_size)
q = utils.progress(q, verbosity=chunk_size, estimate=estimate)
for chunk in utils.in_chunks(q, chunk_size):
chunk = filter(lambda x: hasattr(x, 'link_id'), chunk)
add_comments(chunk)
def rebuild_index(start_at=None,
sleeptime=1,
cls=Link,
estimate=50000000,
chunk_size=1000):
if start_at is _REBUILD_INDEX_CACHE_KEY:
start_at = g.cache.get(start_at)
if not start_at:
raise ValueError("Told me to use '%s' key, but it's not set" %
_REBUILD_INDEX_CACHE_KEY)
q = cls._query(cls.c._deleted == (True, False),
sort=desc('_date'),
data=True)
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q,
verbosity=1000,
estimate=estimate,
persec=True,
key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
for x in range(5):
try:
inject(chunk)
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
g.cache.set(_REBUILD_INDEX_CACHE_KEY, last_update._fullname)
time.sleep(sleeptime)
def rebuild_link_index(start_at=None, sleeptime=1, cls=Link,
uploader=LinkUploader, doc_api='CLOUDSEARCH_DOC_API',
estimate=50000000, chunk_size=1000):
cache_key = _REBUILD_INDEX_CACHE_KEY % uploader.__name__.lower()
doc_api = getattr(g, doc_api)
uploader = uploader(doc_api)
if start_at is _REBUILD_INDEX_CACHE_KEY:
start_at = g.cache.get(cache_key)
if not start_at:
raise ValueError("Told me to use '%s' key, but it's not set" %
cache_key)
q = cls._query(cls.c._deleted == (True, False),
sort=desc('_date'), data=True)
if start_at:
after = cls._by_fullname(start_at)
assert isinstance(after, cls)
q._after(after)
q = r2utils.fetch_things2(q, chunk_size=chunk_size)
q = r2utils.progress(q, verbosity=1000, estimate=estimate, persec=True,
key=_progress_key)
for chunk in r2utils.in_chunks(q, size=chunk_size):
uploader.things = chunk
for x in range(5):
try:
uploader.inject()
except httplib.HTTPException as err:
print "Got %s, sleeping %s secs" % (err, x)
time.sleep(x)
continue
else:
break
else:
raise err
last_update = chunk[-1]
g.cache.set(cache_key, last_update._fullname)
time.sleep(sleeptime)
def port_cassavotes():
from r2.models import Vote, Account, Link, Comment
from r2.models.vote import CassandraVote, CassandraLinkVote, CassandraCommentVote
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, to36, progress
ts = [(Vote.rel(Account, Link), CassandraLinkVote),
(Vote.rel(Account, Comment), CassandraCommentVote)]
dataattrs = set(['valid_user', 'valid_thing', 'ip', 'organic'])
for prel, crel in ts:
vq = prel._query(sort=desc('_date'), data=True, eager_load=False)
vq = fetch_things2(vq)
vq = progress(vq, persec=True)
for v in vq:
t1 = to36(v._thing1_id)
t2 = to36(v._thing2_id)
cv = crel(thing1_id=t1, thing2_id=t2, date=v._date, name=v._name)
for dkey, dval in v._t.iteritems():
if dkey in dataattrs:
setattr(cv, dkey, dval)
cv._commit(write_consistency_level=CL.ONE)
def port_cassaurls(after_id=None, estimate=15231317):
from r2.models import Link, LinksByUrl
from r2.lib.db import tdb_cassandra
from r2.lib.db.operators import desc
from r2.lib.db.tdb_cassandra import CL
from r2.lib.utils import fetch_things2, in_chunks, progress
q = Link._query(Link.c._spam == (True, False),
sort=desc('_date'),
data=True)
if after_id:
q._after(Link._byID(after_id, data=True))
q = fetch_things2(q, chunk_size=500)
q = progress(q, estimate=estimate)
q = (l for l in q if getattr(l, 'url', 'self') != 'self'
and not getattr(l, 'is_self', False))
chunks = in_chunks(q, 500)
for chunk in chunks:
with LinksByUrl._cf.batch(write_consistency_level=CL.ONE) as b:
for l in chunk:
k = LinksByUrl._key_from_url(l.url)
if k:
b.insert(k, {l._id36: l._id36})
# don't show user their own unread stuff
if msg.author_id == account._id:
return False
return True
resume_id = long(sys.argv[1]) if len(sys.argv) > 1 else None
msg_accounts = Account._query(sort=desc("_date"), data=True)
if resume_id:
msg_accounts._filter(Account.c._id < resume_id)
for account in progress(fetch_things2(msg_accounts), estimate=resume_id):
current_inbox_count = account.inbox_count
unread_messages = list(queries.get_unread_inbox(account))
if account._id % 100000 == 0:
g.reset_caches()
if not len(unread_messages):
if current_inbox_count:
account._incr('inbox_count', -current_inbox_count)
else:
msgs = Message._by_fullname(
unread_messages,
data=True,
return_dict=False,
ignore_missing=True,
#
# The Original Developer is the Initial Developer. The Initial Developer of
# the Original Code is reddit Inc.
#
# All portions of the code written by reddit are Copyright (c) 2006-2015 reddit
# Inc. All Rights Reserved.
###############################################################################
"""Ensure modmsgtime is properly set on all accounts.
See the comment in Account.is_moderator_somewhere for possible values of this
attribute now.
"""
from r2.lib.db.operators import desc
from r2.lib.utils import fetch_things2, progress
from r2.models import Account, Subreddit
all_accounts = Account._query(sort=desc("_date"))
for account in progress(fetch_things2(all_accounts)):
is_moderator_somewhere = bool(Subreddit.reverse_moderator_ids(account))
if is_moderator_somewhere:
if not account.modmsgtime:
account.modmsgtime = False
else:
# the account already has a date for modmsgtime meaning unread mail
pass
else:
account.modmsgtime = None
account._commit()
return False
# don't show user their own unread stuff
if msg.author_id == account._id:
return False
return True
resume_id = long(sys.argv[1]) if len(sys.argv) > 1 else None
msg_accounts = Account._query(sort=desc("_date"), data=True)
if resume_id:
msg_accounts._filter(Account.c._id < resume_id)
for account in progress(fetch_things2(msg_accounts), estimate=resume_id):
current_inbox_count = account.inbox_count
unread_messages = list(queries.get_unread_inbox(account))
if account._id % 100000 == 0:
g.reset_caches()
if not len(unread_messages):
if current_inbox_count:
account._incr('inbox_count', -current_inbox_count)
else:
msgs = Message._by_fullname(
unread_messages,
data=True,
return_dict=False,
ignore_missing=True,
def shorten_byurl_keys():
"""We changed by_url keys from a format like
byurl_google.com...
to:
byurl(1d5920f4b44b27a802bd77c4f0536f5a, google.com...)
so that they would fit in memcache's 251-char limit
"""
from datetime import datetime
from hashlib import md5
from r2.models import Link
from r2.lib.filters import _force_utf8
from pylons import g
from r2.lib.utils import fetch_things2, in_chunks
from r2.lib.db.operators import desc
from r2.lib.utils import base_url, progress
# from link.py
def old_by_url_key(url):
prefix='byurl_'
s = _force_utf8(base_url(url.lower()))
return '%s%s' % (prefix, s)
def new_by_url_key(url):
maxlen = 250
template = 'byurl(%s,%s)'
keyurl = _force_utf8(base_url(url.lower()))
hexdigest = md5(keyurl).hexdigest()
usable_len = maxlen-len(template)-len(hexdigest)
return template % (hexdigest, keyurl[:usable_len])
verbosity = 1000
l_q = Link._query(
Link.c._spam == (True, False),
data=True,
sort=desc('_date'))
for links in (
in_chunks(
progress(
fetch_things2(l_q, verbosity),
key = lambda link: link._date,
verbosity=verbosity,
estimate=int(9.9e6),
persec=True,
),
verbosity)):
# only links with actual URLs
links = filter(lambda link: (not getattr(link, 'is_self', False)
and getattr(link, 'url', '')),
links)
# old key -> new key
translate = dict((old_by_url_key(link.url),
new_by_url_key(link.url))
for link in links)
old = g.permacache.get_multi(translate.keys())
new = dict((translate[old_key], value)
for (old_key, value)
in old.iteritems())
g.permacache.set_multi(new)
# The Original Developer is the Initial Developer. The Initial Developer of
# the Original Code is reddit Inc.
#
# All portions of the code written by reddit are Copyright (c) 2006-2013 reddit
# Inc. All Rights Reserved.
###############################################################################
"""Ensure modmsgtime is properly set on all accounts.
See the comment in Account.is_moderator_somewhere for possible values of this
attribute now.
"""
from r2.lib.db.operators import desc
from r2.lib.utils import fetch_things2, progress
from r2.models import Account, Subreddit
all_accounts = Account._query(sort=desc("_date"))
for account in progress(fetch_things2(all_accounts)):
is_moderator_somewhere = bool(Subreddit.reverse_moderator_ids(account))
if is_moderator_somewhere:
if not account.modmsgtime:
account.modmsgtime = False
else:
# the account already has a date for modmsgtime meaning unread mail
pass
else:
account.modmsgtime = None
account._commit()
