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https://issues.apache.org/jira/browse/HDDS-1586?focusedWorklogId=259281&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-259281
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ASF GitHub Bot logged work on HDDS-1586:
----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Jun/19 05:01
Start Date: 13/Jun/19 05:01
Worklog Time Spent: 10m
Work Description: xiaoyuyao commented on pull request #931: HDDS-1586.
Allow Ozone RPC client to read with topology awareness.
URL: https://github.com/apache/hadoop/pull/931#discussion_r293206378
##########
File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ScmConfigKeys.java
##########
@@ -363,6 +363,10 @@
"ozone.scm.network.topology.schema.file";
public static final String OZONE_SCM_NETWORK_TOPOLOGY_SCHEMA_FILE_DEFAULT =
"network-topology-default.xml";
+ public static final String DFS_NETWORK_TOPOLOGY_AWARE_READ_ENABLED =
+ "dfs.network.topology.aware.read.enable";
+ public static final String DFS_NETWORK_TOPOLOGY_AWARE_READ_ENABLED_DEFAULT =
+ "true";
Review comment:
should we set the default to false so that if the deployment does not config
a topology we don't have the overhead.
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Issue Time Tracking
-------------------
Worklog Id: (was: 259281)
Time Spent: 1h 20m (was: 1h 10m)
> Allow Ozone RPC client to read with topology awareness
> ------------------------------------------------------
>
> Key: HDDS-1586
> URL: https://issues.apache.org/jira/browse/HDDS-1586
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Xiaoyu Yao
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> The idea is to leverage the node location from the block locations and perfer
> read from closer block replicas.
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