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Posted to issues@hbase.apache.org by "He Liangliang (JIRA)" <ji...@apache.org> on 2014/09/29 12:16:33 UTC

[jira] [Work started] (HBASE-12114) meta table cache is broken and cause access the wrong table

     [ https://issues.apache.org/jira/browse/HBASE-12114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HBASE-12114 started by He Liangliang.
---------------------------------------------
> meta table cache is broken and cause access the wrong table
> -----------------------------------------------------------
>
>                 Key: HBASE-12114
>                 URL: https://issues.apache.org/jira/browse/HBASE-12114
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: He Liangliang
>            Assignee: He Liangliang
>             Fix For: 0.94.24
>
>
> The cache key used a hash code from a weak hash algorithm Bytes.mapKey(tableName), which can cause collisions in a quite high probability then make the client accessing a wrong region from another table.
> Example: "2fx0" and "2fvn"



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