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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/10/28 17:28:00 UTC

[jira] [Assigned] (SPARK-40957) Add in memory cache in HDFSMetadataLog

     [ https://issues.apache.org/jira/browse/SPARK-40957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-40957:
------------------------------------

    Assignee: Apache Spark

> Add in memory cache in HDFSMetadataLog
> --------------------------------------
>
>                 Key: SPARK-40957
>                 URL: https://issues.apache.org/jira/browse/SPARK-40957
>             Project: Spark
>          Issue Type: New Feature
>          Components: Structured Streaming
>    Affects Versions: 3.4.0
>            Reporter: Boyang Jerry Peng
>            Assignee: Apache Spark
>            Priority: Major
>
> Every time entries in offset log or commit log needs to be access, we read from disk which is slow.  Can a cache of recent entries to speed up reads.



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