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Posted to commits@cassandra.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/04/27 19:20:03 UTC
[jira] [Commented] (CASSANDRA-2572) cassandra_cli: CREATE CF HELP
should list option as key_cache_save_period instead of
keys_cached_save_period
[ https://issues.apache.org/jira/browse/CASSANDRA-2572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025900#comment-13025900 ]
Hudson commented on CASSANDRA-2572:
-----------------------------------
Integrated in Cassandra-0.8 #46 (See [https://builds.apache.org/hudson/job/Cassandra-0.8/46/])
fix cli help typo
patch by Pavel Yaskevich for CASSANDRA-2572
> cassandra_cli: CREATE CF HELP should list option as key_cache_save_period instead of keys_cached_save_period
> ------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2572
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Affects Versions: 0.8 beta 1
> Reporter: Cathy Daw
> Assignee: Pavel Yaskevich
> Priority: Trivial
> Fix For: 0.8.0
>
> Attachments: CASSANDRA-0.7-2572.patch, CASSANDRA-2572.patch
>
>
> *cassandra-cli: output from create cf command*
> {noformat}
> [default@cqldb] create column family supa_dupa2 with keys_cached_save_period = 124000;
> No enum const class org.apache.cassandra.cli.CliClient$ColumnFamilyArgument.KEYS_CACHED_SAVE_PERIOD
> {noformat}
> *cassandra-cli: help create column family*
> {noformat}
> - keys_cached_save_period: Duration in seconds after which Cassandra should
> safe the keys cache. Caches are saved to saved_caches_directory as
> specified in conf/Cassandra.yaml. Default is 14400 or 4 hours.
> Saved caches greatly improve cold-start speeds, and is relatively cheap in
> terms of I/O for the key cache. Row cache saving is much more expensive and
> has limited use.
> {noformat}
> *cqlsh: documentation for create column family options*
> {noformat}
> key_cache_save_period_in_seconds 14400 Number of seconds between saving key caches.
> {noformat}
> *cqlsh: this actually works*
> {noformat}
> cqlsh> CREATE COLUMNFAMILY cf1 (KEY varchar PRIMARY KEY) WITH key_cache_save_period_in_seconds=10000;
> {noformat}
> *cassandra-cli: CF definition via show keyspace*
> {noformat}
> ColumnFamily: cf1
> Key Validation Class: org.apache.cassandra.db.marshal.UTF8Type
> Default column value validator: org.apache.cassandra.db.marshal.UTF8Type
> Columns sorted by: org.apache.cassandra.db.marshal.UTF8Type
> Row cache size / save period in seconds: 0.0/0
> Key cache size / save period in seconds: 200000.0/10000
> Memtable thresholds: 0.140625/30/1440 (millions of ops/MB/minutes)
> GC grace seconds: 864000
> Compaction min/max thresholds: 4/32
> Read repair chance: 1.0
> Replicate on write: true
> Built indexes: []
> {noformat}
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