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https://issues.apache.org/jira/browse/HDDS-12895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-12895:
-------------------------------
Description:
We need to see whether we should enable O_DIRECT (ExtendedOptions.DIRECT) in
datanodes reads and writes. It has been supported since JDK 10
([https://bugs.openjdk.org/browse/JDK-8164900])
Resources
*
[https://events19.linuxfoundation.org/wp-content/uploads/2017/11/Accelerating-IO-in-Big-Data-%E2%80%93-A-Data-Driven-Approach-and-Case-Studies-Yingqi-Lucy-Lu-Intel-Corporation.pdf]
* https://github.com/facebook/rocksdb/wiki/Direct-IO
In some datanodes that is runn
was:
We need to see whether we should enable O_DIRECT (ExtendedOptions.DIRECT) in
datanodes reads and writes. It has been supported since JDK 10
([https://bugs.openjdk.org/browse/JDK-8164900])
Resources
*
[https://events19.linuxfoundation.org/wp-content/uploads/2017/11/Accelerating-IO-in-Big-Data-%E2%80%93-A-Data-Driven-Approach-and-Case-Studies-Yingqi-Lucy-Lu-Intel-Corporation.pdf]
* https://github.com/facebook/rocksdb/wiki/Direct-IO
> Explore O_DIRECT in Datanodes
> -----------------------------
>
> Key: HDDS-12895
> URL: https://issues.apache.org/jira/browse/HDDS-12895
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Ivan Andika
> Assignee: Ivan Andika
> Priority: Major
>
> We need to see whether we should enable O_DIRECT (ExtendedOptions.DIRECT) in
> datanodes reads and writes. It has been supported since JDK 10
> ([https://bugs.openjdk.org/browse/JDK-8164900])
> Resources
> *
> [https://events19.linuxfoundation.org/wp-content/uploads/2017/11/Accelerating-IO-in-Big-Data-%E2%80%93-A-Data-Driven-Approach-and-Case-Studies-Yingqi-Lucy-Lu-Intel-Corporation.pdf]
> * https://github.com/facebook/rocksdb/wiki/Direct-IO
> In some datanodes that is runn
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