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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1153) Make tracing instrumentation configurable
Date Mon, 01 Apr 2019 14:19:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1153?focusedWorklogId=221295&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-221295
]

ASF GitHub Bot logged work on HDDS-1153:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Apr/19 14:18
            Start Date: 01/Apr/19 14:18
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on issue #673: HDDS-1153. Make tracing instrumentation
configurable
URL: https://github.com/apache/hadoop/pull/673#issuecomment-478598550
 
 
   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | 0 | reexec | 35 | Docker mode activated. |
   ||| _ Prechecks _ |
   | +1 | @author | 0 | The patch does not contain any @author tags. |
   | -1 | test4tests | 0 | The patch doesn't appear to include any new or modified tests.
 Please justify why no new tests are needed for this patch. Also please list what manual steps
were performed to verify this patch. |
   ||| _ trunk Compile Tests _ |
   | 0 | mvndep | 93 | Maven dependency ordering for branch |
   | -1 | mvninstall | 1098 | root in trunk failed. |
   | +1 | compile | 1033 | trunk passed |
   | +1 | checkstyle | 190 | trunk passed |
   | +1 | mvnsite | 256 | trunk passed |
   | +1 | shadedclient | 1123 | branch has no errors when building and testing our client
artifacts. |
   | +1 | findbugs | 312 | trunk passed |
   | +1 | javadoc | 204 | trunk passed |
   ||| _ Patch Compile Tests _ |
   | 0 | mvndep | 25 | Maven dependency ordering for patch |
   | +1 | mvninstall | 190 | the patch passed |
   | +1 | compile | 949 | the patch passed |
   | +1 | javac | 949 | the patch passed |
   | +1 | checkstyle | 207 | the patch passed |
   | +1 | mvnsite | 225 | the patch passed |
   | +1 | whitespace | 0 | The patch has no whitespace issues. |
   | +1 | xml | 2 | The patch has no ill-formed XML file. |
   | +1 | shadedclient | 626 | patch has no errors when building and testing our client artifacts.
|
   | +1 | findbugs | 399 | the patch passed |
   | +1 | javadoc | 227 | the patch passed |
   ||| _ Other Tests _ |
   | +1 | unit | 89 | common in the patch passed. |
   | +1 | unit | 35 | tools in the patch passed. |
   | +1 | unit | 40 | client in the patch passed. |
   | +1 | unit | 48 | common in the patch passed. |
   | +1 | unit | 40 | objectstore-service in the patch passed. |
   | +1 | unit | 55 | ozone-manager in the patch passed. |
   | +1 | asflicense | 49 | The patch does not generate ASF License warnings. |
   | | | 7413 | |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/hadoop-multibranch/job/PR-673/1/artifact/out/Dockerfile
|
   | GITHUB PR | https://github.com/apache/hadoop/pull/673 |
   | Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  mvnsite 
unit  shadedclient  findbugs  checkstyle  xml  |
   | uname | Linux 325e602832c1 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | personality/hadoop.sh |
   | git revision | trunk / 8bfef21 |
   | maven | version: Apache Maven 3.3.9 |
   | Default Java | 1.8.0_191 |
   | mvninstall | https://builds.apache.org/job/hadoop-multibranch/job/PR-673/1/artifact/out/branch-mvninstall-root.txt
|
   | findbugs | v3.1.0-RC1 |
   |  Test Results | https://builds.apache.org/job/hadoop-multibranch/job/PR-673/1/testReport/
|
   | Max. process+thread count | 410 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdds/common hadoop-hdds/tools hadoop-ozone/client hadoop-ozone/common
hadoop-ozone/objectstore-service hadoop-ozone/ozone-manager U: . |
   | Console output | https://builds.apache.org/job/hadoop-multibranch/job/PR-673/1/console
|
   | Powered by | Apache Yetus 0.9.0 http://yetus.apache.org |
   
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 221295)
    Time Spent: 20m  (was: 10m)

> 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
>         Attachments: HDDS-1153.001.patch
>
>          Time Spent: 20m
>  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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