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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2013/07/25 07:15:49 UTC

[jira] [Updated] (BOOKKEEPER-659) LRU page management in ledger cache.

     [ https://issues.apache.org/jira/browse/BOOKKEEPER-659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sijie Guo updated BOOKKEEPER-659:
---------------------------------

    Attachment: BOOKKEEPER-659.diff

attach the patch generated based on BOOKKEEPER-658. this patch includes the changes twitter made for ledger cache (it is difficult to generate the change by commits).

this patch includes two major changes:

- improve the page eviction to use a LRU strategy. (thanks [~robindhamankar])
- changed the structures used in ledger cache into concurrent structures to improve performance (thanks [~i0exception])

                
> LRU page management in ledger cache.
> ------------------------------------
>
>                 Key: BOOKKEEPER-659
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-659
>             Project: Bookkeeper
>          Issue Type: Sub-task
>          Components: bookkeeper-server
>            Reporter: Sijie Guo
>             Fix For: 4.3.0
>
>         Attachments: BOOKKEEPER-659.diff
>
>
> better ledger page management.

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