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https://issues.apache.org/jira/browse/KAFKA-9156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984230#comment-16984230
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shilin Lu commented on KAFKA-9156:
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[~amironov]
Thanks for comment.this days i am upgrading our kafka cluster from 0.10.1 to
2.3.1,so i hava fix this issue some days ago.but this days i am busy, so i
can't push a MR to kafka github.i can review your MR, if it works well,i will
use it.Thank you!
> LazyTimeIndex & LazyOffsetIndex may cause niobufferoverflow in concurrent
> state
> -------------------------------------------------------------------------------
>
> Key: KAFKA-9156
> URL: https://issues.apache.org/jira/browse/KAFKA-9156
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 2.3.0
> Reporter: shilin Lu
> Priority: Critical
> Attachments: image-2019-11-07-17-42-13-852.png,
> image-2019-11-07-17-44-05-357.png, image-2019-11-07-17-46-53-650.png
>
>
> !image-2019-11-07-17-42-13-852.png!
> this timeindex get function is not thread safe ,may cause create some
> timeindex.
> !image-2019-11-07-17-44-05-357.png!
> When create timeindex not exactly one ,may cause mappedbytebuffer position to
> end. Then write index entry to this mmap file will cause
> java.nio.BufferOverflowException.
>
> !image-2019-11-07-17-46-53-650.png!
>
>
>
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