On 26 Nov 2014, at 19:07, Robert Coli <rc...@eventbrite.com> wrote:
>
> Yes. Do you know if 5748 was created as a result of compaction or via a flush
> from a memtable?
It was the result of a compaction:
INFO [CompactionExecutor:22422] 2014-11-13 13:08:41,926 CompactionTask.java
(line 262) Compacted 2 sstables to
[/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5744,].
10,732,071 bytes to 10,824,798 (~100% of original) in 2,950ms = 3.499435MB/s.
36,632 total rows, 35,545 unique. Row merge counts were {1:34460, 2:1086, }
INFO [CompactionExecutor:22528] 2014-11-13 14:55:09,944 CompactionTask.java
(line 262) Compacted 2 sstables to
[/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5746,].
15,790,121 bytes to 14,913,599 (~94% of original) in 3,491ms = 4.074110MB/s.
46,167 total rows, 43,745 unique. Row merge counts were {1:41323, 2:2422, }
INFO [CompactionExecutor:22590] 2014-11-13 15:26:50,087 CompactionTask.java
(line 262) Compacted 2 sstables to
[/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5748,].
16,088,983 bytes to 16,110,649 (~100% of original) in 2,741ms = 5.605367MB/s.
48,332 total rows, 47,392 unique. Row merge counts were {1:46452, 2:940, }
<---------------------------
INFO [CompactionExecutor:22718] 2014-11-13 18:05:36,326 CompactionTask.java
(line 262) Compacted 2 sstables to
[/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5750,].
21,508,530 bytes to 21,342,786 (~99% of original) in 3,461ms = 5.880979MB/s.
66,361 total rows, 63,219 unique. Row merge counts were {1:60077, 2:3142, }
INFO [CompactionExecutor:22817] 2014-11-13 19:06:04,564 CompactionTask.java
(line 262) Compacted 2 sstables to
[/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5752,].
23,232,660 bytes to 23,087,822 (~99% of original) in 3,144ms = 7.003264MB/s.
68,968 total rows, 67,602 unique. Row merge counts were {1:66236, 2:1366, }
Regarding flushes I have:
INFO [FlushWriter:3079] 2014-11-13 13:08:38,972 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5743-Data.db
(4698473 bytes) for commitlog position ReplayPosition(segmentId=1413900469571,
position=6240)
INFO [FlushWriter:3093] 2014-11-13 14:55:06,436 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5745-Data.db
(4965323 bytes) for commitlog position ReplayPosition(segmentId=1413900469603,
position=2518)
INFO [FlushWriter:3101] 2014-11-13 15:26:47,336 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5747-Data.db
(1175384 bytes) for commitlog position ReplayPosition(segmentId=1413900469635,
position=9984)
INFO [FlushWriter:3121] 2014-11-13 18:05:32,853 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5749-Data.db
(5397881 bytes) for commitlog position ReplayPosition(segmentId=1413900469667,
position=8533)
INFO [FlushWriter:3134] 2014-11-13 19:06:01,416 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5751-Data.db
(1889874 bytes) for commitlog position ReplayPosition(segmentId=1413900469699,
position=108)
INFO [FlushWriter:3147] 2014-11-13 21:20:58,312 Memtable.java (line 436)
Completed flushing
/servers/storage/cassandra-data/Disco/NamespaceFile2/Disco-NamespaceFile2-ic-5753-Data.db
(3283519 bytes) for commitlog position ReplayPosition(segmentId=1413900469731,
position=6848)
André
