Brandon Williams created CASSANDRA-4435:
-------------------------------------------
Summary: hints compaction loop over same sstable
Key: CASSANDRA-4435
URL: https://issues.apache.org/jira/browse/CASSANDRA-4435
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 1.2
Reporter: Brandon Williams
Noticed the following while testing something else:
{noformat}
INFO 22:14:48,496 Completed flushing
/var/lib/cassandra/data/system/hints/system-hints-ia-1-Data.db (109645 bytes)
for commitlog position ReplayPosition(segmentId=9372773011543415,
position=30358488)
INFO 22:14:48,498 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-1-Data.db')]
INFO 22:14:48,500 SSTables for user defined compaction are already being
compacted.
INFO 22:14:48,500 Finished hinted handoff of 16893 rows to endpoint
/10.179.64.227
INFO 22:14:48,658 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-2-Data.db,]. 109,645 to
899 (~0% of original) bytes for 1 keys at 0.005392MB/s. Time: 159ms.
INFO 22:14:48,660 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-2-Data.db')]
INFO 22:14:48,668 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-3-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.107169MB/s. Time: 8ms.
INFO 22:14:48,669 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-3-Data.db')]
INFO 22:14:48,679 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-4-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.095261MB/s. Time: 9ms.
INFO 22:14:48,680 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-4-Data.db')]
INFO 22:14:48,697 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-5-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.050433MB/s. Time: 17ms.
INFO 22:14:48,698 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-5-Data.db')]
INFO 22:14:48,714 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-6-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.053585MB/s. Time: 16ms.
INFO 22:14:48,715 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-6-Data.db')]
INFO 22:14:48,722 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-7-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,723 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-7-Data.db')]
INFO 22:14:48,736 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-8-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.065950MB/s. Time: 13ms.
INFO 22:14:48,737 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-8-Data.db')]
INFO 22:14:48,744 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-9-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,745 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-9-Data.db')]
INFO 22:14:48,753 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-10-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,754 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-10-Data.db')]
INFO 22:14:48,761 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-11-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,762 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-11-Data.db')]
INFO 22:14:48,775 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-12-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.065950MB/s. Time: 13ms.
INFO 22:14:48,776 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-12-Data.db')]
INFO 22:14:48,783 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-13-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,784 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-13-Data.db')]
INFO 22:14:48,792 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-14-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,793 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-14-Data.db')]
INFO 22:14:48,800 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-15-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,802 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-15-Data.db')]
INFO 22:14:48,809 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-16-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,810 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-16-Data.db')]
INFO 22:14:48,826 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-17-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.053585MB/s. Time: 16ms.
INFO 22:14:48,827 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-17-Data.db')]
INFO 22:14:48,834 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-18-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,835 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-18-Data.db')]
INFO 22:14:48,842 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-19-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,842 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-19-Data.db')]
INFO 22:14:48,850 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-20-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,850 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-20-Data.db')]
INFO 22:14:48,867 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-21-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.053585MB/s. Time: 16ms.
INFO 22:14:48,868 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-21-Data.db')]
INFO 22:14:48,876 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-22-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,877 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-22-Data.db')]
INFO 22:14:48,884 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-23-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.122479MB/s. Time: 7ms.
INFO 22:14:48,885 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-23-Data.db')]
INFO 22:14:48,893 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-24-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.107169MB/s. Time: 8ms.
INFO 22:14:48,895 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-24-Data.db')]
INFO 22:14:48,901 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-25-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,902 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-25-Data.db')]
INFO 22:14:48,910 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-26-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,910 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-26-Data.db')]
INFO 22:14:48,926 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-27-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.057157MB/s. Time: 15ms.
INFO 22:14:48,930 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-27-Data.db')]
INFO 22:14:48,938 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-28-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.107169MB/s. Time: 8ms.
INFO 22:14:48,943 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-28-Data.db')]
INFO 22:14:48,949 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-29-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,950 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-29-Data.db')]
INFO 22:14:48,966 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-30-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.053585MB/s. Time: 16ms.
INFO 22:14:48,967 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-30-Data.db')]
INFO 22:14:48,974 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-31-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,974 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-31-Data.db')]
INFO 22:14:48,980 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-32-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,981 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-32-Data.db')]
INFO 22:14:48,988 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-33-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.142892MB/s. Time: 6ms.
INFO 22:14:48,989 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-33-Data.db')]
INFO 22:14:48,995 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-34-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.171471MB/s. Time: 5ms.
INFO 22:14:48,995 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-34-Data.db')]
INFO 22:14:49,002 Compacted to
[/var/lib/cassandra/data/system/hints/system-hints-ia-35-Data.db,]. 899 to 899
(~100% of original) bytes for 1 keys at 0.171471MB/s. Time: 5ms.
INFO 22:14:49,002 Compacting
[SSTableReader(path='/var/lib/cassandra/data/system/hints/system-hints-ia-35-Data.db')]
{noformat}
After this, the loop stopped. It also did not occur on another member which
delivered hints, so it may not be easy to replicate. I suspect something
related to CASSANDRA-3442 caused this, though the odd thing is there shouldn't
even be a tombstone left.
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