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Posted to issues@ozone.apache.org by "Sadanand Shenoy (Jira)" <ji...@apache.org> on 2024/07/16 11:07:00 UTC

[jira] [Assigned] (HDDS-11191) Add a config to set max_open_files for OM RocksDB.

     [ https://issues.apache.org/jira/browse/HDDS-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sadanand Shenoy reassigned HDDS-11191:
--------------------------------------

    Assignee: Sadanand Shenoy

> Add a config to set max_open_files for OM RocksDB.
> --------------------------------------------------
>
>                 Key: HDDS-11191
>                 URL: https://issues.apache.org/jira/browse/HDDS-11191
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: OM
>            Reporter: Sadanand Shenoy
>            Assignee: Sadanand Shenoy
>            Priority: Major
>
> Currently the max_open_files rocksdb config is -1 by default and not set anywhere via Ozone code. However in situations where the number of SST Files in the rocksdb instance becomes greater than the ulimit (open file limit of the OS), Rocksdb will not respect the OS config and try to open all files at once thereby leading to "Too many files" error. 
> Introducing a config in Ozone to set this is helpful to avoid/recover from such crashes.



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