[HADOOP-14988] WASB: Expose WASB status metrics as counters in Hadoop

• Type: Sub-task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: fs/azure
• Assignee: Unassigned
• Reporter: Rajesh Balamohan
• Created: 27/Oct/17 02:41
• Updated: 19/Dec/17 16:35

Description

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.

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

Issue Links

• is blocked by: HADOOP-14591 wasb to support getStorageStatistics
• relates to: HADOOP-14973 [s3a] Log StorageStatistics