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sstableutil_test.py
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sstableutil_test.py
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import glob
import os
import subprocess
import time
from ccmlib import common
from ccmlib.node import ToolError
from dtest import Tester, debug
from tools.decorators import since
from tools.intervention import InterruptCompaction
# These must match the stress schema names
KeyspaceName = 'keyspace1'
TableName = 'standard1'
def _normcase_all(xs):
"""
Return a list of the elements in xs, each with its casing normalized for
use as a filename.
"""
return [os.path.normcase(x) for x in xs]
@since('3.0')
class SSTableUtilTest(Tester):
def compaction_test(self):
"""
@jira_ticket CASSANDRA-7066
Check that we can list sstable files after a successful compaction (no temporary sstable files)
"""
cluster = self.cluster
cluster.populate(1).start(wait_for_binary_proto=True)
node = cluster.nodelist()[0]
self._create_data(node, KeyspaceName, TableName, 100000)
finalfiles, tmpfiles = self._check_files(node, KeyspaceName, TableName)
self.assertEqual(0, len(tmpfiles))
node.compact()
time.sleep(5)
finalfiles, tmpfiles = self._check_files(node, KeyspaceName, TableName)
self.assertEqual(0, len(tmpfiles))
def abortedcompaction_test(self):
"""
@jira_ticket CASSANDRA-7066
@jira_ticket CASSANDRA-11497
Check that we can cleanup temporary files after a compaction is aborted.
"""
log_file_name = 'debug.log'
cluster = self.cluster
cluster.populate(1).start(wait_for_binary_proto=True)
node = cluster.nodelist()[0]
numrecords = 250000
self._create_data(node, KeyspaceName, TableName, numrecords)
finalfiles, tmpfiles = self._check_files(node, KeyspaceName, TableName)
self.assertTrue(len(finalfiles) > 0, "Expected to find some final files")
self.assertEqual(0, len(tmpfiles), "Expected no tmp files")
t = InterruptCompaction(node, TableName, filename=log_file_name, delay=2)
t.start()
try:
debug("Compacting...")
node.compact()
except ToolError:
pass # expected to fail
t.join()
finalfiles = _normcase_all(self._invoke_sstableutil(KeyspaceName, TableName, type='final'))
tmpfiles = _normcase_all(self._invoke_sstableutil(KeyspaceName, TableName, type='tmp'))
# In most cases we should end up with some temporary files to clean up, but it may happen
# that no temporary files are created if compaction finishes too early or starts too late
# see CASSANDRA-11497
debug("Got {} final files and {} tmp files after compaction was interrupted"
.format(len(finalfiles), len(tmpfiles)))
self._invoke_sstableutil(KeyspaceName, TableName, cleanup=True)
self._check_files(node, KeyspaceName, TableName, finalfiles, [])
# restart to make sure not data is lost
debug("Restarting node...")
node.start(wait_for_binary_proto=True)
# in some environments, a compaction may start that would change sstable files. We should wait if so
node.wait_for_compactions()
finalfiles, tmpfiles = self._check_files(node, KeyspaceName, TableName)
self.assertEqual(0, len(tmpfiles))
debug("Running stress to ensure data is readable")
self._read_data(node, numrecords)
def _create_data(self, node, ks, table, numrecords):
"""
This is just to create the schema so we can disable compaction
"""
node.stress(['write', 'n=1', 'no-warmup', '-rate', 'threads=1'])
node.nodetool('disableautocompaction %s %s' % (ks, table))
node.stress(['write', 'n=%d' % (numrecords), 'no-warmup', '-rate', 'threads=50'])
node.flush()
def _read_data(self, node, numrecords):
node.stress(['read', 'n=%d' % (numrecords,), 'no-warmup', '-rate', 'threads=25'])
def _check_files(self, node, ks, table, expected_finalfiles=None, expected_tmpfiles=None):
sstablefiles = _normcase_all(self._get_sstable_files(node, ks, table))
allfiles = _normcase_all(self._invoke_sstableutil(ks, table, type='all'))
finalfiles = _normcase_all(self._invoke_sstableutil(ks, table, type='final'))
tmpfiles = _normcase_all(self._invoke_sstableutil(ks, table, type='tmp'))
expected_oplogs = _normcase_all(self._get_sstable_transaction_logs(node, ks, table))
tmpfiles_with_oplogs = _normcase_all(self._invoke_sstableutil(ks, table, type='tmp', oplogs=True))
oplogs = _normcase_all(sorted(list(set(tmpfiles_with_oplogs) - set(tmpfiles))))
if expected_finalfiles is None:
expected_finalfiles = allfiles
else:
expected_finalfiles = _normcase_all(expected_finalfiles)
if expected_tmpfiles is None:
expected_tmpfiles = sorted(set(allfiles) - set(finalfiles))
else:
expected_tmpfiles = _normcase_all(expected_tmpfiles)
debug("Comparing all files...")
self.assertEqual(sstablefiles, allfiles)
debug("Comparing final files...")
self.assertEqual(expected_finalfiles, finalfiles)
debug("Comparing tmp files...")
self.assertEqual(expected_tmpfiles, tmpfiles)
debug("Comparing op logs...")
self.assertEqual(expected_oplogs, oplogs)
return finalfiles, tmpfiles
def _invoke_sstableutil(self, ks, table, type='all', oplogs=False, cleanup=False):
"""
Invoke sstableutil and return the list of files, if any
"""
debug("About to invoke sstableutil with type {}...".format(type))
node1 = self.cluster.nodelist()[0]
env = common.make_cassandra_env(node1.get_install_cassandra_root(), node1.get_node_cassandra_root())
tool_bin = node1.get_tool('sstableutil')
args = [tool_bin, '--type', type]
if oplogs:
args.extend(['--oplog'])
if cleanup:
args.extend(['--cleanup'])
args.extend([ks, table])
p = subprocess.Popen(args, env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = p.communicate()
self.assertEqual(p.returncode, 0, "Error invoking sstableutil; returned {code}".format(code=p.returncode))
if stdout:
debug(stdout)
match = ks + os.sep + table + '-'
ret = sorted(filter(lambda s: match in s, stdout.splitlines()))
debug("Got {} files of type {}".format(len(ret), type))
return ret
def _get_sstable_files(self, node, ks, table):
"""
Read sstable files directly from disk
"""
ret = []
for data_dir in node.data_directories():
keyspace_dir = os.path.join(data_dir, ks)
for ext in ('*.db', '*.txt', '*.adler32', '*.crc32'):
ret.extend(glob.glob(os.path.join(keyspace_dir, table + '-*', ext)))
return sorted(ret)
def _get_sstable_transaction_logs(self, node, ks, table):
ret = []
for data_dir in node.data_directories():
keyspace_dir = os.path.join(data_dir, ks)
ret.extend(glob.glob(os.path.join(keyspace_dir, table + '-*', "*.log")))
return sorted(ret)