[
https://issues.apache.org/jira/browse/HDFS-15707?focusedWorklogId=520205&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-520205
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ASF GitHub Bot logged work on HDFS-15707:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Dec/20 14:22
Start Date: 04/Dec/20 14:22
Worklog Time Spent: 10m
Work Description: amahussein commented on pull request #2516:
URL: https://github.com/apache/hadoop/pull/2516#issuecomment-738810243
- I created a new [HDFS-15710](
https://issues.apache.org/jira/browse/HDFS-15710) for
`TestBlockTokenWithDFSStriped` failure.
- There is an existing jira for `TestUnderReplicatedBlocks`
[HDFS-9243](https://issues.apache.org/jira/browse/HDFS-9243)
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Issue Time Tracking
-------------------
Worklog Id: (was: 520205)
Time Spent: 0.5h (was: 20m)
> NNTop counts don't add up as expected
> -------------------------------------
>
> Key: HDFS-15707
> URL: https://issues.apache.org/jira/browse/HDFS-15707
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, metrics, namenode
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When we queried
> https://host-name:port/jmx?qry=Hadoop:service=NameNode,name=FSNamesystemState
> earlier today, we received surprising results. Below is a subset of the data.
> The notable thing here is that the count for {{opType='\*'}} from user
> {{user1}} is {{66652}}, but the sum of counts for other {{optype}} values by
> {{user1}} is actually larger: {{77253}}. I'd expect that {{opType='\*'}} to
> always be greater than or equal to the sum for individual operation types.
> {code}
> {
> "windows": [
> {
> "windowLenMs": 300000,
> "ops": [
> {
> "totalCount": 24158,
> "opType": "rpc.complete",
> "topUsers": [{ "count": 2944, "user": "user1" }]
> },
> {
> "totalCount": 15921,
> "opType": "rpc.rename",
> "topUsers": [{ "count": 2891, "user": "user1" }]
> },
> {
> "totalCount": 3015834,
> "opType": "*",
> "topUsers": [{ "count": 66652, "user": "user1" }]
> },
> {
> "totalCount": 2086,
> "opType": "rpc.abandonBlock",
> "topUsers": [{ "count": 603, "user": "user1" }]
> },
> {
> "totalCount": 30258,
> "opType": "rpc.addBlock",
> "topUsers": [{ "count": 3182, "user": "user1" }]
> },
> {
> "totalCount": 101440,
> "opType": "rpc.getServerDefaults",
> "topUsers": [{ "count": 3521, "user": "user1" }]
> },
> {
> "totalCount": 25258,
> "opType": "rpc.create",
> "topUsers": [{ "count": 1864, "user": "user1" }]
> },
> {
> "totalCount": 1377563,
> "opType": "rpc.getFileInfo",
> "topUsers": [{ "count": 56541, "user": "user1" }]
> },
> {
> "totalCount": 60836,
> "opType": "rpc.renewLease",
> "topUsers": [{ "count": 3783, "user": "user1" }]
> },
> {
> "totalCount": 182212,
> "opType": "rpc.getListing",
> "topUsers": [{ "count": 1848, "user": "user1" }]
> },
> {
> "totalCount": 380,
> "opType": "rpc.updateBlockForPipeline",
> "topUsers": [{ "count": 58, "user": "user1" }]
> },
> {
> "totalCount": 215,
> "opType": "rpc.updatePipeline",
> "topUsers": [{ "count": 18, "user": "user1" }]
> }
> ]
> }
> ],
> "timestamp": "2017-07-11T17:20:03+0000"
> }
> {code}
> The full {{TopUserOpCounts}} results from the NNTop endpoint results are
> attached to this JIRA as {{nntop.json}}. The full endpoint output is attached
> as {{endpoint.json}}.
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