[CASSANDRA-7706] CompactionExecutor Error: CompactionInterruptedException

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Severity: Normal
• Assignee: Unassigned
• Reporter: Michael Shuler
• Created: 06/Aug/14 17:59
• Updated: 16/Apr/19 09:31
• Resolved: 06/Aug/14 18:24

Description

The dtest sstablesplit_test.py completes compaction and sstablesplit successfully, but errors on node1.log ERROR entries.

Example: http://cassci.datastax.com/job/cassandra-2.1.0_dtest/34/testReport/sstablesplit_test/TestSSTableSplit/split_test/

Full trace when reproduced locally:

DEBUG [CompactionExecutor:2] 2014-08-06 12:25:43,133 CompactionManager.java:221 - Checking system.compactions_in_progress
DEBUG [CompactionExecutor:2] 2014-08-06 12:25:43,134 SizeTieredCompactionStrategy.java:95 - Compaction buckets are [[SSTableReader(path='/home/mshuler/git/cassandra/./bin/../data/data/system/compactions_in_progress-55080ab05d9c388690a4acb25fe1f77b/system-compactions_in_progress-ka-13-Data.db'), SSTableReader(path='/home/mshuler/git/cassandra/./bin/../data/data/system/compactions_in_progress-55080ab05d9c388690a4acb25fe1f77b/system-compactions_in_progress-ka-12-Data.db')]]
DEBUG [CompactionExecutor:2] 2014-08-06 12:25:43,134 CompactionManager.java:232 - No tasks available
ERROR [CompactionExecutor:1] 2014-08-06 12:25:43,142 CassandraDaemon.java:166 - Exception in thread Thread[CompactionExecutor:1,1,main]
org.apache.cassandra.db.compaction.CompactionInterruptedException: Compaction interrupted: Compaction@0698db80-1d8e-11e4-984d-c10aaefcf248(Keyspace1, Standard1, 138156251/262144900)bytes
        at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:174) ~[main/:na]
        at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) ~[main/:na]
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[main/:na]
        at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:74) ~[main/:na]
        at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) ~[main/:na]
        at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:235) ~[main/:na]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_65]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_65]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_65]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_65]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65]
INFO  [CompactionExecutor:1] 2014-08-06 12:25:43,143 CompactionManager.java:1159 - Compaction interrupted: Compaction@0698db80-1d8e-11e4-984d-c10aaefcf248(Keyspace1, Standard1, 138156251/262144900)bytes
DEBUG [CompactionExecutor:1] 2014-08-06 12:25:43,144 CompactionManager.java:1160 - Full interruption stack trace:
org.apache.cassandra.db.compaction.CompactionInterruptedException: Compaction interrupted: Compaction@0698db80-1d8e-11e4-984d-c10aaefcf248(Keyspace1, Standard1, 138156251/262144900)bytes
        at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:174) ~[main/:na]
        at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) ~[main/:na]
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[main/:na]
        at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:74) ~[main/:na]
        at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) ~[main/:na]
        at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:235) ~[main/:na]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_65]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_65]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_65]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_65]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65]
DEBUG [RMI TCP Connection(4)-127.0.0.1] 2014-08-06 12:25:43,211 ColumnFamilyStore.java:2499 - Compactions successfully cancelled
INFO  [CompactionExecutor:2] 2014-08-06 12:25:43,214 ColumnFamilyStore.java:857 - Enqueuing flush of compactions_in_progress: 1882 (0%) on-heap, 0 (0%) off-heap
DEBUG [CompactionExecutor:2] 2014-08-06 12:25:43,215 ColumnFamilyStore.java:182 - scheduling flush in 3600000 ms

DEBUG log attached from the local reproduction - system.log.18.zip
dtest stdout log attached - dtest_sstablesplit_test-debugstdout.txt
dtest node1 INFO log attached - dtest_sstablesplit_test-node1.log.txt

Shell repro script:

#!/bin/sh

REPODIR=$HOME/git/cassandra

cd $REPODIR
sed -i 's/root level="INFO"/root level="DEBUG"/' conf/logback.xml

start_cstar() {
    echo "$( date +%T ) - Starting Cassandra.."
    ./bin/cassandra >/dev/null
    sleep 10
}

stop_cstar() {
    echo "$( date +%T ) - Stopping Cassandra.."
    pkill -f CassandraDaemon
    sleep 5
}

compact() {
    echo "$( date +%T ) - Compacting.."
    ./bin/nodetool flush
    ./bin/nodetool compact
    ./bin/nodetool flush
}

split() {
    stop_cstar
    DBFILE=$( ls data/data/Keyspace1/Standard1-*/Keyspace1-Standard1-ka-*-Data.db )
    echo "$( date +%T ) - Splitting $DBFILE"
    ./tools/bin/sstablesplit $DBFILE
    start_cstar
}


start_cstar

echo "$( date +%T ) - Writing data.."
if ./tools/bin/cassandra-stress write n=1000000 -rate threads=25 >/dev/null 2>&1; then
    echo "$( date +%T ) - Done writing data.."
    compact
    split
    compact
    split
    echo "$( date +%T ) - Reading data.."
    if ./tools/bin/cassandra-stress read n=1000000 -rate threads=25 >/dev/null 2>&1; then
        echo "$( date +%T ) - Done reading data.."
    else
        echo "Something went wrong reading.."
    fi
else
    echo "Something went wrong writing.."
fi

stop_cstar

Since the compaction actually appears to complete successfully, is this error simply informational, or is this actually a problem that needs to be addressed? That's my concern - if this can be ignored as expected, then we can include that in testing.

Issue Links

• duplicates: CASSANDRA-7694 Expected Compaction Interruption is logged as ERROR