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Chris Lohfink commented on CASSANDRA-11163: ------------------------------------------- gotcha +1 on patch from me I like idea of a {{nodetool recreatecomponent}} or something but that would be a different jira. > Summaries are needlessly rebuilt when the BF FP ratio is changed > ---------------------------------------------------------------- > > Key: CASSANDRA-11163 > URL: https://issues.apache.org/jira/browse/CASSANDRA-11163 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: Brandon Williams > Assignee: Kurt Greaves > Priority: Major > Fix For: 3.0.x, 3.11.x, 4.x > > > This is from trunk, but I also saw this happen on 2.0: > Before: > {noformat} > root@bw-1:/srv/cassandra# ls -ltr > /var/lib/cassandra/data/keyspace1/standard1-071efdc0d11811e590c3413ee28a6c90/ > total 221460 > drwxr-xr-x 2 root root 4096 Feb 11 23:34 backups > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-6-big-TOC.txt > -rw-r--r-- 1 root root 26518 Feb 11 23:50 ma-6-big-Summary.db > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-6-big-Statistics.db > -rw-r--r-- 1 root root 2607705 Feb 11 23:50 ma-6-big-Index.db > -rw-r--r-- 1 root root 192440 Feb 11 23:50 ma-6-big-Filter.db > -rw-r--r-- 1 root root 10 Feb 11 23:50 ma-6-big-Digest.crc32 > -rw-r--r-- 1 root root 35212125 Feb 11 23:50 ma-6-big-Data.db > -rw-r--r-- 1 root root 2156 Feb 11 23:50 ma-6-big-CRC.db > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-7-big-TOC.txt > -rw-r--r-- 1 root root 26518 Feb 11 23:50 ma-7-big-Summary.db > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-7-big-Statistics.db > -rw-r--r-- 1 root root 2607614 Feb 11 23:50 ma-7-big-Index.db > -rw-r--r-- 1 root root 192432 Feb 11 23:50 ma-7-big-Filter.db > -rw-r--r-- 1 root root 9 Feb 11 23:50 ma-7-big-Digest.crc32 > -rw-r--r-- 1 root root 35190400 Feb 11 23:50 ma-7-big-Data.db > -rw-r--r-- 1 root root 2152 Feb 11 23:50 ma-7-big-CRC.db > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-5-big-TOC.txt > -rw-r--r-- 1 root root 104178 Feb 11 23:50 ma-5-big-Summary.db > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-5-big-Statistics.db > -rw-r--r-- 1 root root 10289077 Feb 11 23:50 ma-5-big-Index.db > -rw-r--r-- 1 root root 757384 Feb 11 23:50 ma-5-big-Filter.db > -rw-r--r-- 1 root root 9 Feb 11 23:50 ma-5-big-Digest.crc32 > -rw-r--r-- 1 root root 139201355 Feb 11 23:50 ma-5-big-Data.db > -rw-r--r-- 1 root root 8508 Feb 11 23:50 ma-5-big-CRC.db > root@bw-1:/srv/cassandra# md5sum > /var/lib/cassandra/data/keyspace1/standard1-071efdc0d11811e590c3413ee28a6c90/ma-5-big-Summary.db > 5fca154fc790f7cfa37e8ad6d1c7552c > {noformat} > BF ratio changed, node restarted: > {noformat} > root@bw-1:/srv/cassandra# ls -ltr > /var/lib/cassandra/data/keyspace1/standard1-071efdc0d11811e590c3413ee28a6c90/ > total 242168 > drwxr-xr-x 2 root root 4096 Feb 11 23:34 backups > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-6-big-TOC.txt > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-6-big-Statistics.db > -rw-r--r-- 1 root root 2607705 Feb 11 23:50 ma-6-big-Index.db > -rw-r--r-- 1 root root 192440 Feb 11 23:50 ma-6-big-Filter.db > -rw-r--r-- 1 root root 10 Feb 11 23:50 ma-6-big-Digest.crc32 > -rw-r--r-- 1 root root 35212125 Feb 11 23:50 ma-6-big-Data.db > -rw-r--r-- 1 root root 2156 Feb 11 23:50 ma-6-big-CRC.db > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-7-big-TOC.txt > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-7-big-Statistics.db > -rw-r--r-- 1 root root 2607614 Feb 11 23:50 ma-7-big-Index.db > -rw-r--r-- 1 root root 192432 Feb 11 23:50 ma-7-big-Filter.db > -rw-r--r-- 1 root root 9 Feb 11 23:50 ma-7-big-Digest.crc32 > -rw-r--r-- 1 root root 35190400 Feb 11 23:50 ma-7-big-Data.db > -rw-r--r-- 1 root root 2152 Feb 11 23:50 ma-7-big-CRC.db > -rw-r--r-- 1 root root 80 Feb 11 23:50 ma-5-big-TOC.txt > -rw-r--r-- 1 root root 10264 Feb 11 23:50 ma-5-big-Statistics.db > -rw-r--r-- 1 root root 10289077 Feb 11 23:50 ma-5-big-Index.db > -rw-r--r-- 1 root root 757384 Feb 11 23:50 ma-5-big-Filter.db > -rw-r--r-- 1 root root 9 Feb 11 23:50 ma-5-big-Digest.crc32 > -rw-r--r-- 1 root root 139201355 Feb 11 23:50 ma-5-big-Data.db > -rw-r--r-- 1 root root 8508 Feb 11 23:50 ma-5-big-CRC.db > -rw-r--r-- 1 root root 80 Feb 12 00:03 ma-8-big-TOC.txt > -rw-r--r-- 1 root root 14902 Feb 12 00:03 ma-8-big-Summary.db > -rw-r--r-- 1 root root 10264 Feb 12 00:03 ma-8-big-Statistics.db > -rw-r--r-- 1 root root 1458631 Feb 12 00:03 ma-8-big-Index.db > -rw-r--r-- 1 root root 10808 Feb 12 00:03 ma-8-big-Filter.db > -rw-r--r-- 1 root root 10 Feb 12 00:03 ma-8-big-Digest.crc32 > -rw-r--r-- 1 root root 19660275 Feb 12 00:03 ma-8-big-Data.db > -rw-r--r-- 1 root root 1204 Feb 12 00:03 ma-8-big-CRC.db > -rw-r--r-- 1 root root 26518 Feb 12 00:04 ma-7-big-Summary.db > -rw-r--r-- 1 root root 26518 Feb 12 00:04 ma-6-big-Summary.db > -rw-r--r-- 1 root root 104178 Feb 12 00:04 ma-5-big-Summary.db > root@bw-1:/srv/cassandra# md5sum > /var/lib/cassandra/data/keyspace1/standard1-071efdc0d11811e590c3413ee28a6c90/ma-5-big-Summary.db > > 5fca154fc790f7cfa37e8ad6d1c7552c > {noformat} > This hurts startup time and appears to do nothing useful whatsoever. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org