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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1382) Race condition leads to FileNotFoundException on startup
Date Fri, 13 Aug 2010 16:52:18 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12898312#action_12898312
] 

Jonathan Ellis commented on CASSANDRA-1382:
-------------------------------------------

it looks like this patch says we only delete statistics for sstables that had .compacted files
left hanging around on the next restart, which won't be the case if they got cleaned up by
the GC hook

> Race condition leads to FileNotFoundException on startup
> --------------------------------------------------------
>
>                 Key: CASSANDRA-1382
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1382
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Robert Zotter
>            Assignee: Gary Dusbabek
>            Priority: Minor
>             Fix For: 0.7 beta 2
>
>         Attachments: v1-0001-separate-CFS-dir-cleanup-from-CFS-instantiation.txt
>
>
> On startup LocationInfo file is deleted then attempted to be read from.
> Steps to reproduce: Kill then quickly restart
> Switching to ParallelGC to avoid CMS/CompressedOops incompatibility
> INFO 17:05:08,680 DiskAccessMode isstandard, indexAccessMode is mmap
>  INFO 17:05:08,786 Sampling index for /var/lib/cassandra/data/system/Schema-e-1-<>
>  INFO 17:05:08,797 Sampling index for /var/lib/cassandra/data/system/Schema-e-2-<>
>  INFO 17:05:08,807 Sampling index for /var/lib/cassandra/data/system/Migrations-e-1-<>
>  INFO 17:05:08,833 Sampling index for /var/lib/cassandra/data/system/Schema-e-1-<>
>  INFO 17:05:08,834 Sampling index for /var/lib/cassandra/data/system/Schema-e-2-<>
>  INFO 17:05:08,839 Sampling index for /var/lib/cassandra/data/system/Migrations-e-1-<>
>  INFO 17:05:08,862 Sampling index for /var/lib/cassandra/data/system/Schema-e-1-<>
>  INFO 17:05:08,864 Sampling index for /var/lib/cassandra/data/system/Schema-e-2-<>
>  INFO 17:05:08,876 Sampling index for /var/lib/cassandra/data/system/Migrations-e-1-<>
>  INFO 17:05:08,885 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-17-<>
>  INFO 17:05:08,892 Sampling index for /var/lib/cassandra/data/system/Schema-e-1-<>
>  INFO 17:05:08,893 Sampling index for /var/lib/cassandra/data/system/Schema-e-2-<>
>  INFO 17:05:08,897 Sampling index for /var/lib/cassandra/data/system/Migrations-e-1-<>
>  INFO 17:05:08,901 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-17-<>
>  INFO 17:05:08,906 Sampling index for /var/lib/cassandra/data/system/Schema-e-1-<>
>  INFO 17:05:08,909 Sampling index for /var/lib/cassandra/data/system/Schema-e-2-<>
>  INFO 17:05:08,918 Sampling index for /var/lib/cassandra/data/system/Migrations-e-1-<>
>  INFO 17:05:08,922 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-17-<>
>  INFO 17:05:08,928 Creating new commitlog segment /var/lib/cassandra/commitlog/CommitLog-1281571508928.log
>  INFO 17:05:08,933 Deleted /var/lib/cassandra/data/system/LocationInfo-e-16-Data.db
>  INFO 17:05:08,936 Deleted /var/lib/cassandra/data/system/LocationInfo-e-15-Data.db
>  INFO 17:05:08,936 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-16-<>
> ERROR 17:05:08,937 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-16-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-16-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:196)
>     at org.apache.cassandra.db.StatisticsTable.deleteSSTableStatistics(StatisticsTable.java:81)
>     at org.apache.cassandra.io.sstable.SSTable.deleteIfCompacted(SSTable.java:136)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:202)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:196)
>     at org.apache.cassandra.db.StatisticsTable.deleteSSTableStatistics(StatisticsTable.java:81)
>     at org.apache.cassandra.io.sstable.SSTable.deleteIfCompacted(SSTable.java:136)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:202)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,947 Deleted /var/lib/cassandra/data/system/LocationInfo-e-14-Data.db
>  INFO 17:05:08,947 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-17-<>
>  INFO 17:05:08,948 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-15-<>
> ERROR 17:05:08,948 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-15-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-15-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:196)
>     at org.apache.cassandra.db.StatisticsTable.deleteSSTableStatistics(StatisticsTable.java:81)
>     at org.apache.cassandra.io.sstable.SSTable.deleteIfCompacted(SSTable.java:136)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:202)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,950 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-16-<>
> ERROR 17:05:08,951 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-16-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-16-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:196)
>     at org.apache.cassandra.db.StatisticsTable.deleteSSTableStatistics(StatisticsTable.java:81)
>     at org.apache.cassandra.io.sstable.SSTable.deleteIfCompacted(SSTable.java:136)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:202)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,970 Deleted /var/lib/cassandra/data/system/LocationInfo-e-13-Data.db
>  INFO 17:05:08,971 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-14-<>
> ERROR 17:05:08,971 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-14-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-14-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,972 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-17-<>
>  INFO 17:05:08,973 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-15-<>
> ERROR 17:05:08,973 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-15-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-15-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,974 Sampling index for /var/lib/cassandra/data/system/LocationInfo-e-16-<>
> ERROR 17:05:08,974 Corrupt file /var/lib/cassandra/data/system/LocationInfo-e-16-Data.db;
skipped
> java.io.FileNotFoundException: /var/lib/cassandra/data/system/LocationInfo-e-16-Index.db
(No such file or directory)
>     at java.io.RandomAccessFile.open(Native Method)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>     at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>     at org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:137)
>     at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:289)
>     at org.apache.cassandra.io.sstable.SSTableReader.internalOpen(SSTableReader.java:197)
>     at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:176)
>     at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:208)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:342)
>     at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:308)
>     at org.apache.cassandra.db.Table.<init>(Table.java:245)
>     at org.apache.cassandra.db.Table.open(Table.java:102)
>     at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:121)
>     at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:93)
>     at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>     at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:224)
>  INFO 17:05:08,996 Loading schema version acc5646a-a59d-11df-83fb-e700f669bcfc
>  WARN 17:05:09,158 Schema definitions were defined both locally and in cassandra.yaml.
Definitions in cassandra.yaml were ignored.
>  INFO 17:05:09,164 Replaying /var/lib/cassandra/commitlog/CommitLog-1281571453475.log,
/var/lib/cassandra/commitlog/CommitLog-1281571508928.log
>  INFO 17:05:09,172 Finished reading /var/lib/cassandra/commitlog/CommitLog-1281571453475.log
>  INFO 17:05:09,172 Finished reading /var/lib/cassandra/commitlog/CommitLog-1281571508928.log
>  INFO 17:05:09,173 switching in a fresh Memtable for LocationInfo at CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1281571508928.log',
position=592)
>  INFO 17:05:09,183 Enqueuing flush of Memtable-LocationInfo@137493297(17 bytes, 1 operations)
>  INFO 17:05:09,183 Writing Memtable-LocationInfo@137493297(17 bytes, 1 operations)
>  INFO 17:05:09,184 switching in a fresh Memtable for Statistics at CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1281571508928.log',
position=592)
>  INFO 17:05:09,184 Enqueuing flush of Memtable-Statistics@86823325(0 bytes, 0 operations)
>  INFO 17:05:09,265 Completed flushing /var/lib/cassandra/data/system/LocationInfo-e-18-Data.db
>  INFO 17:05:09,273 Writing Memtable-Statistics@86823325(0 bytes, 0 operations)
>  INFO 17:05:09,352 Completed flushing /var/lib/cassandra/data/system/Statistics-e-1-Data.db
>  INFO 17:05:09,353 Recovery complete 

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