[jira] [Resolved] (CASSANDRA-12590) Segfault reading secondary index

["Sam Tunnicliffe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sam Tunnicliffe resolved CASSANDRA-12590.
-----------------------------------------
       Resolution: Fixed
    Reproduced In: 3.7, 3.5  (was: 3.5, 3.7)

Fix for CASSANDRA-12651 has been committed (in {{820e7a8d810828d29f98a68dc35be33b40a5de62}}) and as discussed, that very likely also fixes this issue. So, I'm closing this now but we should definitely re-open if it still manifests down the line.

> Segfault reading secondary index
> --------------------------------
>
>                 Key: CASSANDRA-12590
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12590
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths
>         Environment: Occurs on Cassandra 3.5 and 3.7
>            Reporter: Cameron Zemek
>            Assignee: Sam Tunnicliffe
>            Priority: Critical
>             Fix For: 3.10
>
>
> Getting segfaults when reading secondary index as follows:
> {code}
> J 9272 C2 org.apache.cassandra.dht.LocalPartitioner$LocalToken.compareTo(Lorg/apache/cassandra/dht/Token;)I (53 bytes) @ 0x00007fd7354749b7 [0x00007fd735474840+0x177]
> J 5661 C2 org.apache.cassandra.db.DecoratedKey.compareTo(Ljava/lang/Object;)I (9 bytes) @ 0x00007fd7351b35b8 [0x00007fd7351b3440+0x178]
> J 14205 C2 java.util.concurrent.ConcurrentSkipListMap.doGet(Ljava/lang/Object;)Ljava/lang/Object; (142 bytes) @ 0x00007fd736404dd8 [0x00007fd736404cc0+0x118]
> J 17764 C2 org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDiskInternal(Lorg/apache/cassandra/db/ColumnFamilyStore;)Lorg/apache/cassandra/db/rows/UnfilteredRowIterator; (635 bytes) @ 0x00007fd736e09638 [0x00007fd736e08720+0xf18]
> J 17808 C2 org.apache.cassandra.index.internal.CassandraIndexSearcher.search(Lorg/apache/cassandra/db/ReadExecutionController;)Lorg/apache/cassandra/db/partitions/UnfilteredPartitionIterator; (68 bytes) @ 0x00007fd736e01a48 [0x00007fd736e012a0+0x7a8]
> J 14217 C2 org.apache.cassandra.db.ReadCommand.executeLocally(Lorg/apache/cassandra/db/ReadExecutionController;)Lorg/apache/cassandra/db/partitions/UnfilteredPartitionIterator; (219 bytes) @ 0x00007fd736417c1c [0x00007fd736416fa0+0xc7c]
> J 14585 C2 org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow()V (337 bytes) @ 0x00007fd736541e6c [0x00007fd736541d60+0x10c]
> J 14584 C2 org.apache.cassandra.service.StorageProxy$DroppableRunnable.run()V (48 bytes) @ 0x00007fd7357957b4 [0x00007fd735795760+0x54]
> J 9648% C2 org.apache.cassandra.concurrent.SEPWorker.run()V (253 bytes) @ 0x00007fd735938d8c [0x00007fd7359356e0+0x36ac]
> {code}
> Which I have translated to the codepath:
> org.apache.cassandra.dht.LocalPartitioner (Line 139)
> org.apache.cassandra.db.DecoratedKey (Line 85)
> java.util.concurrent.ConcurrentSkipListMap (Line 794)
> org.apache.cassandra.db.SinglePartitionReadCommand (Line 498)
> org.apache.cassandra.index.internal.CassandraIndexSearcher (Line 60)
> org.apache.cassandra.db.ReadCommand (Line 367)



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