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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14988) WASB: Expose WASB status metrics as counters in Hadoop
Date Fri, 27 Oct 2017 12:45:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16222300#comment-16222300
] 

Steve Loughran commented on HADOOP-14988:
-----------------------------------------

BTW, the Azure throttling callback doesn't yet log the outcome anywhere other than the debug
stream and wasb doesn't collect/serve StorageStatistics (HADOOP-14591).

> WASB: Expose WASB status metrics as counters in Hadoop
> ------------------------------------------------------
>
>                 Key: HADOOP-14988
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14988
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>            Reporter: Rajesh Balamohan
>            Priority: Minor
>
> It would be good to expose WASB status metrics (e.g 503) as Hadoop counters. 
> Here is an example from a spark job, where it ends up spending large amount of time in
retries. Adding hadoop counters would help in analyzing and tuning long running tasks.
> {noformat}
> 2017-10-23 23:07:20,876 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:20,877 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=1, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:07:21,877 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:21,879 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=2, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:07:24,070 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:24,073 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
q:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=3, ETAG=null, contentLength=198,
requestMethod=GET
> 2017-10-23 23:07:27,917 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:27,920 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=2, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:07:36,879 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:36,881 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=1, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:07:54,786 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:07:54,789 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=3, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:08:24,790 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> 2017-10-23 23:08:24,794 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
SelfThrottlingIntercept:: ResponseReceived: threadId=99, Status=503, Elapsed(ms)=4, ETAG=null,
contentLength=198, requestMethod=GET
> 2017-10-23 23:08:54,794 DEBUG [Executor task launch worker for task 2463] azure.SelfThrottlingIntercept:
 SelfThrottlingIntercept:: SendingRequest:   threadId=99, requestType=read , isFirstRequest=false,
sleepDuration=0
> {noformat}



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