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From "Shwetha G S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ATLAS-1116) Performance monitoring of backend methods in API requests
Date Mon, 14 Nov 2016 11:06:58 GMT

    [ https://issues.apache.org/jira/browse/ATLAS-1116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15663483#comment-15663483
] 

Shwetha G S commented on ATLAS-1116:
------------------------------------

Exposes annotations @Monitored and @Loggable on methods. 

@Monitored records how many times that method is called and total execution time in that method.
These metrics are aggregated at API level and are recorded in metric.log(one log line per
API call)
@Loggable logs at the beginning of the method and ending of the method with arguments and
return values

These annotations are injected using aspectj plugin at compile time, there is no runtime overhead
except for the method invocation

Example metrics collected:
entity submit - 2016-11-14 16:34:06,079  {GraphHelper.findVertex=[count=3, totalTimeMSec=60],
GraphHelper.setProperty=[count=15, totalTimeMSec=16], GraphHelper.createVertexWithoutIdentity=[count=1,
totalTimeMSec=2], TypedInstanceToGraphMapper.createVerticesAndDiscoverInstances=[count=1,
totalTimeMSec=62],
TypedInstanceToGraphMapper.addOrUpdateAttributesAndTraits=[count=1, totalTimeMSec=10], GraphHelper.getSingleValuedProperty=[count=33,
totalTimeMSec=3], GraphHelper.getProperty=[count=3, totalTimeMSec=0], GraphToTypedInstanceMapper.mapVertexToInstance=[count=3,
totalTimeMSec=2], GraphToTyped
InstanceMapper.mapVertexToInstanceTraits=[count=3, totalTimeMSec=0], GraphToTypedInstanceMapper.mapGraphToTypedInstance=[count=3,
totalTimeMSec=6], FullTextMapper.mapRecursive=[count=1, totalTimeMSec=3], TypedInstanceToGraphMapper.mapTypedInstanceToGraph=[count=1,
totalTimeMSec=81], EntityR
esource.submit=[count=1, totalTimeMSec=892]}

search - 2016-11-14 16:34:18,817  {GraphHelper.getSingleValuedProperty=[count=544, totalTimeMSec=20],
GraphHelper.getProperty=[count=47, totalTimeMSec=0], GraphHelper.getAdjacentEdgesByLabel=[count=18,
totalTimeMSec=3], GraphHelper.getEdgeForLabel=[count=18, totalTimeMSec=3], GraphToTypedInstanceMapper.mapVertexToInstance=[count=70,
totalTimeMSec=33], GraphToTypedInstanceMapper.mapVertexToInstanceTraits=[count=47, totalTimeMSec=5],
GraphToTypedInstanceMapper.mapGraphToTypedInstance=[count=47, totalTimeMSec=39], GraphHelper.getArrayElementsProperty=[count=10,
totalTimeMSec=0], MetadataDiscoveryResource.searchUsingQueryDSL=[count=1, totalTimeMSec=249],
MetadataDiscoveryResource.search=[count=1, totalTimeMSec=249]}

> Performance monitoring of backend methods in API requests
> ---------------------------------------------------------
>
>                 Key: ATLAS-1116
>                 URL: https://issues.apache.org/jira/browse/ATLAS-1116
>             Project: Atlas
>          Issue Type: Bug
>            Reporter: Vimal Sharma
>            Assignee: Shwetha G S
>             Fix For: 0.8-incubating
>
>         Attachments: ATLAS-1116-v2.patch, ATLAS-1116.patch
>
>
> Time taken by methods used in API calls for add/update/delete entities and traits need
to be monitored for performance



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