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Posted to issues@drill.apache.org by "Hongze Zhang (JIRA)" <ji...@apache.org> on 2016/12/22 04:34:58 UTC
[jira] [Closed] (DRILL-5028) Opening profiles page from web ui gets
very slow when a lot of history files have been stored in HDFS or Local FS.
[ https://issues.apache.org/jira/browse/DRILL-5028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hongze Zhang closed DRILL-5028.
-------------------------------
Resolution: Later
> Opening profiles page from web ui gets very slow when a lot of history files have been stored in HDFS or Local FS.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-5028
> URL: https://issues.apache.org/jira/browse/DRILL-5028
> Project: Apache Drill
> Issue Type: Improvement
> Components: Functions - Drill
> Affects Versions: 1.8.0
> Reporter: Hongze Zhang
> Priority: Minor
> Fix For: Future
>
>
> We have a Drill cluster with 20+ Nodes and we store all history profiles in hdfs. Without doing periodically cleans for hdfs, the profiles page gets slower while serving more queries.
> Code from LocalPersistentStore.java uses fs.list(false, basePath) for fetching the latest 100 history profiles by default, I guess this operation blocks the page loading (Millions small files can be stored in the basePath), maybe we can try some other ways to reach the same goal.
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