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Date: Thu, 30 Apr 2015 16:49:06 +0000 (UTC)
From: "Moloud Shahbazi (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12826330.1430407756000.36455.1430412546281@Atlassian.JIRA>
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 <JIRA.12826330.1430407756189@arcas>
Subject: [jira] [Updated] (CASSANDRA-9269) Huge commitlog not flushed.
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     [ https://issues.apache.org/jira/browse/CASSANDRA-9269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Moloud Shahbazi updated CASSANDRA-9269:
---------------------------------------
    Priority: Trivial  (was: Major)

> Huge commitlog not flushed.
> ---------------------------
>
>                 Key: CASSANDRA-9269
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9269
>             Project: Cassandra
>          Issue Type: Wish
>         Environment: ubuntu
> cassandra-2.1.3
>            Reporter: Moloud Shahbazi
>            Priority: Trivial
>
> I wrote at once a lot of data in several column families of keyspaceName on a single node cluster. I only read from this keyspace afterward. My issue is that size of commitlog is huge and does not shrink:
> $ du -sh data/*
> 7.8G    data/commitlog
> 7.0G    data/data
> 36M     data/saved_caches
> When I try to flush using nodetool, if i run "./bin/nodetool flush" no error occurs and no change happens in size of commit log.  even when I specify keyspaceName no change happens.
> Also Fot further information, the following is description of my keyspace schema, 
> {code}
> cqlsh> describe keyspace keyspaceName;
> CREATE KEYSPACE keyspaceName WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1': '1'}  AND durable_writes = true;
> CREATE TABLE keyspaceName.CF0 (
>     concept_id text,
>     chunk_id int,
>     json_data text,
>     PRIMARY KEY (concept_id, chunk_id)
> ) WITH CLUSTERING ORDER BY (chunk_id ASC)
>     AND bloom_filter_fp_chance = 0.01
>     AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
>     AND comment = ''
>     AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
>     AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
>     AND dclocal_read_repair_chance = 0.0
>     AND default_time_to_live = 0
>     AND gc_grace_seconds = 864000
>     AND max_index_interval = 2048
>     AND memtable_flush_period_in_ms = 0
>     AND min_index_interval = 128
>     AND read_repair_chance = 0.0
>     AND speculative_retry = '99.0PERCENTILE';
> CREATE TABLE keyspaceName.CF1 (
>     item_id text,
>     chunk_id int,
>     reviews text,
>     PRIMARY KEY (item_id, chunk_id)
> ) WITH CLUSTERING ORDER BY (chunk_id ASC)
>     AND bloom_filter_fp_chance = 0.01
>     AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
>     AND comment = ''
>     AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
>     AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
>     AND dclocal_read_repair_chance = 0.0
>     AND default_time_to_live = 0
>     AND gc_grace_seconds = 864000
>     AND max_index_interval = 2048
>     AND memtable_flush_period_in_ms = 0
>     AND min_index_interval = 128
>     AND read_repair_chance = 0.0
>     AND speculative_retry = '99.0PERCENTILE';
> CREATE TABLE keyspaceName.CF2 (
>     review_id text PRIMARY KEY,
>     conceptids text,
>     score int
> ) WITH bloom_filter_fp_chance = 0.01
>     AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
>     AND comment = ''
>     AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
>     AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
>     AND dclocal_read_repair_chance = 0.0
>     AND default_time_to_live = 0
>     AND gc_grace_seconds = 864000
>     AND max_index_interval = 2048
>     AND memtable_flush_period_in_ms = 0
>     AND min_index_interval = 128
>     AND read_repair_chance = 0.0
>     AND speculative_retry = '99.0PERCENTILE';{code}


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