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https://issues.apache.org/jira/browse/KAFKA-1646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Honghai Chen updated KAFKA-1646:
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Comment: was deleted
(was: Updated reviewboard against branch origin/0.8.1)
> Improve consumer read performance for Windows
> ---------------------------------------------
>
> Key: KAFKA-1646
> URL: https://issues.apache.org/jira/browse/KAFKA-1646
> Project: Kafka
> Issue Type: Improvement
> Components: log
> Affects Versions: 0.8.1.1
> Environment: Windows
> Reporter: xueqiang wang
> Assignee: xueqiang wang
> Labels: newbie, patch
> Attachments: Improve consumer read performance for Windows.patch,
> KAFKA-1646-truncate-off-trailing-zeros-on-broker-restart-if-bro.patch,
> KAFKA-1646_20141216_163008.patch, KAFKA-1646_20150306_002850.patch
>
>
> This patch is for Window platform only. In Windows platform, if there are
> more than one replicas writing to disk, the segment log files will not be
> consistent in disk and then consumer reading performance will be dropped down
> greatly. This fix allocates more disk spaces when rolling a new segment, and
> then it will improve the consumer reading performance in NTFS file system.
> This patch doesn't affect file allocation of other filesystems, for it only
> adds statements like 'if(Os.iswindow)' or adds methods used on Windows.
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