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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2022/05/19 06:43:00 UTC
[jira] [Updated] (SPARK-39225) Support spark.history.fs.update.batchSize
[ https://issues.apache.org/jira/browse/SPARK-39225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun updated SPARK-39225:
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Summary: Support spark.history.fs.update.batchSize (was: History Server initial scan may block new eventlog update)
> Support spark.history.fs.update.batchSize
> -----------------------------------------
>
> Key: SPARK-39225
> URL: https://issues.apache.org/jira/browse/SPARK-39225
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.4.0
> Reporter: Hai Tao
> Priority: Major
> Labels: pull-request-available
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> Current Spark History Server suffers when there are a large number of eventlog files under eventLog.dir: when a SHS starts, the initial scan may take a long time, and new eventlog files would not be scanned/parsed until the initial scan completes.
> For example, if the initial scan takes 1-2 days(this is not uncommon in large environments), the newly finished spark jobs would not show up in SHS since their eventlog files are not scanned/parsed until the initial scan process finishes. This would result in a 1-2 days SHS malfunctioning since the newly finished spark jobs are most likely to be queried by users.
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