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https://issues.apache.org/jira/browse/CASSANDRA-1789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12970423#action_12970423
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Hudson commented on CASSANDRA-1789:
-----------------------------------
Integrated in Cassandra-0.7 #70 (See
[https://hudson.apache.org/hudson/job/Cassandra-0.7/70/])
> Clean up (and make sane) key/row cache loading logspam
> ------------------------------------------------------
>
> Key: CASSANDRA-1789
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1789
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.6.8, 0.7 beta 3
> Environment: Default settings, init log.
> Reporter: Jon Hermes
> Assignee: Matthew F. Dennis
> Priority: Minor
> Fix For: 0.6.9, 0.7.0 rc 2
>
> Attachments: 1789-trunk.txt
>
>
> //Start
> INFO 19:18:03,362 Heap size: 1935147008/1994063872
> INFO 19:18:03,366 JNA not found. Native methods will be disabled.
> INFO 19:18:03,376 Loading settings from
> file:/home/hermes/work/c/cass7/conf/cassandra.yaml
> INFO 19:18:03,533 DiskAccessMode 'auto' determined to be mmap,
> indexAccessMode is mmap
> INFO 19:18:03,612 Creating new commitlog segment
> /var/lib/cassandra/commitlog/CommitLog-1291079883612.log
> //Keycache loading
> *INFO 19:18:03,659 read 0 from saved key cache*
> *INFO 19:18:03,663 read 0 from saved key cache*
> *INFO 19:18:03,664 read 0 from saved key cache*
> *INFO 19:18:03,666 read 0 from saved key cache*
> *INFO 19:18:03,668 read 0 from saved key cache*
> //Rowcache loading
> *INFO 19:18:03,671 loading row cache for LocationInfo of system*
> *INFO 19:18:03,671 completed loading (0 ms; 0 keys) row cache for
> LocationInfo of system*
> *INFO 19:18:03,672 loading row cache for HintsColumnFamily of system*
> *INFO 19:18:03,672 completed loading (0 ms; 0 keys) row cache for
> HintsColumnFamily of system*
> *INFO 19:18:03,673 loading row cache for Migrations of system*
> *INFO 19:18:03,673 completed loading (0 ms; 0 keys) row cache for
> Migrations of system*
> *INFO 19:18:03,676 loading row cache for Schema of system*
> *INFO 19:18:03,676 completed loading (0 ms; 0 keys) row cache for Schema of
> system*
> *INFO 19:18:03,676 loading row cache for IndexInfo of system*
> *INFO 19:18:03,677 completed loading (0 ms; 0 keys) row cache for IndexInfo
> of system*
> //The rest
> INFO 19:18:03,730 Couldn't detect any schema definitions in local storage.
> INFO 19:18:03,731 Found table data in data directories. Consider using JMX
> to call org.apache.cassandra.service.StorageService.loadSchemaFromYaml().
> INFO 19:18:03,735 No commitlog files found; skipping replay
> INFO 19:18:03,783 Upgrading to 0.7. Purging hints if there are any. Old
> hints will be snapshotted.
> INFO 19:18:03,786 Cassandra version: 0.7.0-rc1-SNAPSHOT
> INFO 19:18:03,786 Thrift API version: 19.4.0
> INFO 19:18:03,795 Loading persisted ring state
> INFO 19:18:03,796 Starting up server gossip
> INFO 19:18:03,803 switching in a fresh Memtable for LocationInfo at
> CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1291079883612.log',
> position=700)
> INFO 19:18:03,804 Enqueuing flush of memtable-locationi...@1249086728(227
> bytes, 4 operations)
> INFO 19:18:03,805 Writing memtable-locationi...@1249086728(227 bytes, 4
> operations)
> INFO 19:18:03,992 Completed flushing
> /var/lib/cassandra/data/system/LocationInfo-e-1-Data.db (473 bytes)
> WARN 19:18:04,058 Generated random token
> 109302658160365096146210744235544448283. Random tokens will result in an
> unbalanced ring; see http://wiki.apache.org/cassandra/Operations
> INFO 19:18:04,059 switching in a fresh Memtable for LocationInfo at
> CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1291079883612.log',
> position=996)
> INFO 19:18:04,060 Enqueuing flush of memtable-locationi...@1940835386(53
> bytes, 2 operations)
> INFO 19:18:04,060 Writing memtable-locationi...@1940835386(53 bytes, 2
> operations)
> INFO 19:18:04,258 Completed flushing
> /var/lib/cassandra/data/system/LocationInfo-e-2-Data.db (301 bytes)
> INFO 19:18:04,269 Will not load MX4J, mx4j-tools.jar is not in the classpath
> INFO 19:18:04,301 Binding thrift service to localhost/127.0.0.1:9160
> INFO 19:18:04,304 Using TFramedTransport with a max frame size of 15728640
> bytes.
> INFO 19:18:04,307 Listening for thrift clients...
> The logging here is annoying (and a bit schizophrenic).
> Either the keycache loading logging should include as much info as the
> rowcache loading (time duration, CF/KS names) or it should be a much smaller
> snippet for both.
> The best fix would probably be the line:
> *INFO XX:XX:XX,XXX completed loading (time; keys) row/key cache for CF in
> KS.*
> ...which would be a log line per CF per saved key/row cache (with more
> logging on error).
> I don't know if logging that "0 rows (key or row cache) successfully loaded"
> is worth it either, but I could be swayed by an argument for this.
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