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https://issues.apache.org/jira/browse/HDDS-1153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16807726#comment-16807726
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Hudson commented on HDDS-1153:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16327 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16327/])
HDDS-1153. Make tracing instrumentation configurable (elek: rev
aeb43dfba35caf965f16c1d5d52e920e2bf3c2f6)
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ScmConfigKeys.java
* (edit) hadoop-hdds/common/src/main/resources/ozone-default.xml
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/tracing/TracingUtil.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
* (edit)
hadoop-ozone/objectstore-service/src/main/java/org/apache/hadoop/hdfs/server/datanode/ObjectStoreHandler.java
* (edit)
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/ObjectStore.java
* (edit)
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java
* (edit)
hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/SCMCLI.java
* (edit)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
> Make tracing instrumentation configurable
> -----------------------------------------
>
> Key: HDDS-1153
> URL: https://issues.apache.org/jira/browse/HDDS-1153
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Elek, Marton
> Assignee: Kitti Nanasi
> Priority: Major
> Labels: newbie, pull-request-available
> Fix For: 0.5.0
>
> Attachments: HDDS-1153.001.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> TracingUtil.createProxy is a helper method to create a proxy instance with
> tracing support.
> The proxy instance implements the same interface as the original class and
> delegates all the method calls to the original instance but it also sends
> tracing information to the tracing server.
> By default it's not a big overhead as the tracing libraries can be configured
> to send tracing only with some low probability.
> But to make it more safe we can make it optional. With a global
> 'hdds.tracing.enabled' configuration variable (can be true by default) we can
> adjust the behavior of TracingUtil.createProxy.
> If the tracing is disabled the TracingUtil.createProxy should return with the
> 'delegate' parameter instead of a proxy.
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