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From "Alex Petrov (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-12877) SASI index throwing AssertionError on creation/flush
Date Tue, 08 Nov 2016 08:11:58 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Petrov resolved CASSANDRA-12877.
-------------------------------------
    Resolution: Duplicate

> SASI index throwing AssertionError on creation/flush
> ----------------------------------------------------
>
>                 Key: CASSANDRA-12877
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12877
>             Project: Cassandra
>          Issue Type: Bug
>          Components: sasi
>         Environment: 3.9 and 3.10 tested on both linux and osx
>            Reporter: Voytek Jarnot
>            Assignee: Alex Petrov
>
> Possibly a 3.10 regression?  The exact test shown below does not error in 3.9.
> I built and installed a 3.10 snapshot (built 04-Nov-2016) to get around CASSANDRA-11670,
CASSANDRA-12689, and CASSANDRA-12223 which are holding me back when using 3.9.
> Now I'm able to make nodetool flush (or a scheduled flush) produce an unhandled error
easily with a SASI:
> {code}
> CREATE KEYSPACE vjtest WITH replication = {'class': 'SimpleStrategy', 'replication_factor':
'1'};
> use vjtest ;
> create table tester(id1 text, id2 text, id3 text, val1 text, primary key((id1, id2),
id3));
> create custom index tester_idx_val1 on tester(val1) using 'org.apache.cassandra.index.sasi.SASIIndex';
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','1-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','2-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','3-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','4-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','5-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','6-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','7-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','8-3','asdf');
> insert into tester(id1,id2,id3, val1) values ('1-1','1-2','9-3','asdf');
> {code}
> Not enough going on here to trigger a flush, so following a manual {{nodetool flush vjtest}}
I get the following in {{system.log}}:
> {code}
> INFO  [MemtableFlushWriter:3] 2016-11-04 22:19:35,412 PerSSTableIndexWriter.java:284
- Scheduling index flush to /mydir/apache-cassandra-3.10-SNAPSHOT/data/data/vjtest/tester-6f1fdff0a30611e692c087673c5ef8d4/mc-1-big-SI_tester_idx_val1.db
> INFO  [SASI-Memtable:1] 2016-11-04 22:19:35,447 PerSSTableIndexWriter.java:335 - Index
flush to /mydir/apache-cassandra-3.10-SNAPSHOT/data/data/vjtest/tester-6f1fdff0a30611e692c087673c5ef8d4/mc-1-big-SI_tester_idx_val1.db
took 16 ms.
> ERROR [SASI-Memtable:1] 2016-11-04 22:19:35,449 CassandraDaemon.java:229 - Exception
in thread Thread[SASI-Memtable:1,5,RMI Runtime]
> java.lang.AssertionError: cannot have more than 8 overflow collisions per leaf, but had:
9
>     at org.apache.cassandra.index.sasi.disk.AbstractTokenTreeBuilder$Leaf.createOverflowEntry(AbstractTokenTreeBuilder.java:357)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.AbstractTokenTreeBuilder$Leaf.createEntry(AbstractTokenTreeBuilder.java:346)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.DynamicTokenTreeBuilder$DynamicLeaf.serializeData(DynamicTokenTreeBuilder.java:180)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.AbstractTokenTreeBuilder$Leaf.serialize(AbstractTokenTreeBuilder.java:306)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.AbstractTokenTreeBuilder.write(AbstractTokenTreeBuilder.java:90)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder$MutableDataBlock.flushAndClear(OnDiskIndexBuilder.java:629)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder$MutableLevel.flush(OnDiskIndexBuilder.java:446)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder$MutableLevel.finalFlush(OnDiskIndexBuilder.java:451)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.finish(OnDiskIndexBuilder.java:296)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.finish(OnDiskIndexBuilder.java:258)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.finish(OnDiskIndexBuilder.java:241)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.PerSSTableIndexWriter$Index.lambda$scheduleSegmentFlush$0(PerSSTableIndexWriter.java:267)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.PerSSTableIndexWriter$Index.lambda$complete$1(PerSSTableIndexWriter.java:296)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_101]
>     at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_101]
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
~[na:1.8.0_101]
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_101]
>     at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
> ERROR [MemtableFlushWriter:3] 2016-11-04 22:19:35,453 DataTracker.java:168 - Can't open
index file at /mydir/apache-cassandra-3.10-SNAPSHOT/data/data/vjtest/tester-6f1fdff0a30611e692c087673c5ef8d4/mc-1-big-SI_tester_idx_val1.db,
skipping.
> java.lang.IllegalArgumentException: position: 8314882962218811392, limit: 4113
>     at org.apache.cassandra.index.sasi.utils.MappedBuffer.position(MappedBuffer.java:106)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.disk.OnDiskIndex.<init>(OnDiskIndex.java:147)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.SSTableIndex.<init>(SSTableIndex.java:62)
~[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.conf.DataTracker.getIndexes(DataTracker.java:150)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.conf.DataTracker.update(DataTracker.java:69) [apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.conf.ColumnIndex.update(ColumnIndex.java:147)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.index.sasi.SASIIndex.handleNotification(SASIIndex.java:320)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.lifecycle.Tracker.notifyAdded(Tracker.java:421) [apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.lifecycle.Tracker.replaceFlushed(Tracker.java:356) [apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.compaction.CompactionStrategyManager.replaceFlushed(CompactionStrategyManager.java:317)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.ColumnFamilyStore.replaceFlushed(ColumnFamilyStore.java:1574)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.ColumnFamilyStore$Flush.flushMemtable(ColumnFamilyStore.java:1197)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1100)
[apache-cassandra-3.10-SNAPSHOT.jar:3.10-SNAPSHOT]
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_101]
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_101]
>     at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
> ERROR [Reference-Reaper:1] 2016-11-04 22:21:59,610 Ref.java:224 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@1fb888b0) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@293565751:/mydir/apache-cassandra-3.10-SNAPSHOT/data/data/vjtest/tester-6f1fdff0a30611e692c087673c5ef8d4/mc-1-big
was not released before the reference was garbage collected
> {code}
> Subsequently:
> {code}select * from tester where val1='asdf';{code} produces 0 rows.



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