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https://issues.apache.org/jira/browse/HDDS-1696?focusedWorklogId=261875&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-261875
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ASF GitHub Bot logged work on HDDS-1696:
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Author: ASF GitHub Bot
Created on: 17/Jun/19 22:30
Start Date: 17/Jun/19 22:30
Worklog Time Spent: 10m
Work Description: anuengineer commented on pull request #981: HDDS-1696.
RocksDB use separate Write-ahead-log location for OM RocksDB.
URL: https://github.com/apache/hadoop/pull/981#discussion_r294543079
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File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ScmConfigKeys.java
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@@ -35,6 +35,7 @@
// metadata dir but in future we may support multiple for redundancy or
// performance.
public static final String OZONE_SCM_DB_DIRS = "ozone.scm.db.dirs";
+ public static final String OZONE_SCM_DB_WAL_DIR = "ozone.scm.db.wal.dir";
Review comment:
Do we have data that indicates the compaction is the root cause of issues?
On a normal SSD, we have around 80K IOPS are we saying that we are need more
bandwidth than that ?
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Issue Time Tracking
-------------------
Worklog Id: (was: 261875)
Time Spent: 1h 20m (was: 1h 10m)
> RocksDB use separate Write-ahead-log location for RocksDB.
> ----------------------------------------------------------
>
> Key: HDDS-1696
> URL: https://issues.apache.org/jira/browse/HDDS-1696
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> This will help on production systems where WAL logs and db actual data files
> will be in a different location. During compaction, it will not affect actual
> writes.
>
> Suggested by [~msingh]
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