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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2008/06/26 05:42:45 UTC
[jira] Assigned: (HBASE-707) High-load import of data into single
table/family never triggers split
[ https://issues.apache.org/jira/browse/HBASE-707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack reassigned HBASE-707:
---------------------------
Assignee: stack
> High-load import of data into single table/family never triggers split
> ----------------------------------------------------------------------
>
> Key: HBASE-707
> URL: https://issues.apache.org/jira/browse/HBASE-707
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.1.3
> Environment: Linux 2.6.25-14.fc9.x86_64, Fedora Core 9
> Reporter: Jonathan Gray
> Assignee: stack
> Fix For: 0.1.3
>
> Attachments: 707.patch
>
>
> Importing a heavy amount of data into a single table and family.
> One column in that family (the same fam:col for every row) contains a frequently large amount of UTF-8 data. This column grows and grows but never causes a region split.
> Currently there is a single mapfile containing nearly 10GB.
> Eventually this has caused regions to crash with OOME, as described in HBASE-706
> Table in question:
> hql > describe items;
> +-----------------------------------------------------------------------------+
> | Column Family Descriptor |
> +-----------------------------------------------------------------------------+
> | name: cfrecs, max versions: 2, compression: NONE, in memory: false, max leng|
> | th: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: clusters, max versions: 2, compression: NONE, in memory: false, max le|
> | ngth: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: content, max versions: 2, compression: NONE, in memory: false, max len|
> | gth: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: readby, max versions: 2, compression: NONE, in memory: false, max leng|
> | th: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: receivedby, max versions: 2, compression: NONE, in memory: false, max |
> | length: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: savedby, max versions: 2, compression: NONE, in memory: false, max len|
> | gth: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> | name: sentby, max versions: 2, compression: NONE, in memory: false, max leng|
> | th: 2147483647, bloom filter: none |
> +-----------------------------------------------------------------------------+
> 7 columnfamily(s) in set. (0.34 sec)
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