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Posted to commits@cassandra.apache.org by "Zhongxiang Zheng (JIRA)" <ji...@apache.org> on 2017/03/10 08:10:04 UTC
[jira] [Updated] (CASSANDRA-13320) upgradesstables fails after
upgrading from 2.1.x to 3.0.11
[ https://issues.apache.org/jira/browse/CASSANDRA-13320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhongxiang Zheng updated CASSANDRA-13320:
-----------------------------------------
Status: Patch Available (was: Open)
> upgradesstables fails after upgrading from 2.1.x to 3.0.11
> ----------------------------------------------------------
>
> Key: CASSANDRA-13320
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13320
> Project: Cassandra
> Issue Type: Bug
> Reporter: Zhongxiang Zheng
>
> I tried to execute {{nodetool upgradesstables}} after upgrading cluster from 2.1.16 to 3.0.11, but it fails when upgrading a table with 2i.
> This problem can be reproduced as follows.
> {code}
> $ ccm create test -v 2.1.16 -n 1 -s
> $ ccm node1 cqlsh -e "CREATE KEYSPACE test WITH replication = {'class':'SimpleStrategy', 'replication_factor':1}"
> $ ccm node1 cqlsh -e "CREATE TABLE test.test(k1 text, k2 text, PRIMARY KEY( k1 ));"
> $ ccm node1 cqlsh -e "CREATE INDEX k2 ON test.test(k2);"
>
> $ ccm node1 cqlsh -e "INSERT INTO test.test (k1, k2 ) VALUES ( 'a', 'a') ;"
> $ ccm node1 cqlsh -e "INSERT INTO test.test (k1, k2 ) VALUES ( 'a', 'b') ;"
>
> $ ccm node1 nodetool flush
>
> $ for i in `seq 1 `; do ccm node${i} stop; ccm node${i} setdir -v3.0.11;ccm node${i} start; done
> $ ccm node1 nodetool upgradesstables test test
> Traceback (most recent call last):
> File "/home/y/bin/ccm", line 86, in <module>
> cmd.run()
> File "/home/y/lib/python2.7/site-packages/ccmlib/cmds/node_cmds.py", line 267, in run
> stdout, stderr = self.node.nodetool(" ".join(self.args[1:]))
> File "/home/y/lib/python2.7/site-packages/ccmlib/node.py", line 742, in nodetool
> raise NodetoolError(" ".join(args), exit_status, stdout, stderr)
> ccmlib.node.NodetoolError: Nodetool command '/home/zzheng/.ccm/repository/3.0.11/bin/nodetool -h localhost -p 7100 upgradesstables test test' failed; exit status: 2; stderr: WARN 06:29:08 Only 10476 MB free across all data volumes. Consider adding more capacity to your cluster or removing obsolete snapshots
> error: null
> -- StackTrace --
> java.lang.AssertionError
> at org.apache.cassandra.db.rows.Rows.collectStats(Rows.java:70)
> at org.apache.cassandra.io.sstable.format.big.BigTableWriter$StatsCollector.applyToRow(BigTableWriter.java:197)
> at org.apache.cassandra.db.transform.BaseRows.applyOne(BaseRows.java:116)
> at org.apache.cassandra.db.transform.BaseRows.add(BaseRows.java:107)
> at org.apache.cassandra.db.transform.UnfilteredRows.add(UnfilteredRows.java:41)
> at org.apache.cassandra.db.transform.Transformation.add(Transformation.java:156)
> at org.apache.cassandra.db.transform.Transformation.apply(Transformation.java:122)
> at org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:147)
> at org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:125)
> at org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.realAppend(DefaultCompactionWriter.java:57)
> at org.apache.cassandra.db.compaction.writers.CompactionAwareWriter.append(CompactionAwareWriter.java:109)
> at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:195)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:89)
> at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:61)
> at org.apache.cassandra.db.compaction.CompactionManager$5.execute(CompactionManager.java:415)
> at org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:307)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:79)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> The result of dumping the 2i sstable is as follows.
> {code}
> [
> {"key": "a",
> "cells": [["61",1488961273,1488961269822817,"d"]]},
> {"key": "b",
> "cells": [["61","",1488961273015759]]}
> ]
> {code}
> This problem is occurred by the tombstone row. When this row is processed in {{LegacyLayout.java}}, it will be treated as a row maker.
> https://github.com/apache/cassandra/blob/cassandra-3.0/src/java/org/apache/cassandra/db/LegacyLayout.java#L1195
> Then the deletion info will be lost.
> As a result, the row will be a empty row, which causes the assertion error.
> To avoid this, I added the code to add row deletion info when the row is a tombstone and *not* a row marker, and it works as I expect, which means that {{upgradesstables}} succeeds and row deletion info is remained.
> However I don't understand whether this change will cause another problem. Anyway, I submit my patch as a reference.
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