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From "Jay Zhuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13188) compaction-stress AssertionError from getMemtableFor()
Date Wed, 08 Feb 2017 01:24:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857174#comment-15857174
] 

Jay Zhuang commented on CASSANDRA-13188:
----------------------------------------

The problem is because memtable [is not initialized for tool|https://github.com/apache/cassandra/blob/cassandra-3.11/src/java/org/apache/cassandra/db/ColumnFamilyStore.java#L410]
[The fix|https://github.com/cooldoger/cassandra/commit/d2ddeb75cbcbdd407aca33f56f4ab59552a13cdf]
is attached.
[~tjake] would you please review.

An alternative fix would be changing [toolInitialization()|https://github.com/apache/cassandra/blob/cassandra-3.11/tools/stress/src/org/apache/cassandra/stress/CompactionStress.java#L77]
to [daemonInitialization()|https://github.com/apache/cassandra/blob/cassandra-3.11/src/java/org/apache/cassandra/config/DatabaseDescriptor.java#L128].
(I prefer the first option, as compaction-stress is really a tool, not daemon).

> compaction-stress AssertionError from getMemtableFor()
> ------------------------------------------------------
>
>                 Key: CASSANDRA-13188
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13188
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Testing, Tools
>            Reporter: Jay Zhuang
>            Assignee: Jay Zhuang
>         Attachments: 13188-3.11.txt, 13188-3.11-update.txt
>
>
> Exception:
> {noformat}
> ./compaction-stress compact -d /tmp/compaction -p https://gist.githubusercontent.com/tjake/8995058fed11d9921e31/raw/a9334d1090017bf546d003e271747351a40692ea/blogpost.yaml
-t 4
> WARN  18:45:04,854 JNA link failure, one or more native method will be unavailable.
> java.lang.AssertionError: []
>         at org.apache.cassandra.db.lifecycle.Tracker.getMemtableFor(Tracker.java:312)
>         at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:1315)
>         at org.apache.cassandra.db.Keyspace.applyInternal(Keyspace.java:618)
>         at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:462)
>         at org.apache.cassandra.db.Mutation.apply(Mutation.java:227)
>         at org.apache.cassandra.db.Mutation.apply(Mutation.java:232)
>         at org.apache.cassandra.db.Mutation.apply(Mutation.java:241)
>         at org.apache.cassandra.cql3.statements.ModificationStatement.executeInternalWithoutCondition(ModificationStatement.java:570)
>         at org.apache.cassandra.cql3.statements.ModificationStatement.executeInternal(ModificationStatement.java:564)
>         at org.apache.cassandra.cql3.QueryProcessor.executeOnceInternal(QueryProcessor.java:356)
>         at org.apache.cassandra.schema.SchemaKeyspace.saveSystemKeyspacesSchema(SchemaKeyspace.java:265)
>         at org.apache.cassandra.db.SystemKeyspace.finishStartup(SystemKeyspace.java:495)
>         at org.apache.cassandra.stress.CompactionStress$Compaction.run(CompactionStress.java:209)
>         at org.apache.cassandra.stress.CompactionStress.main(CompactionStress.java:349)
> {noformat}



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