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https://issues.apache.org/jira/browse/HDFS-14524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-14524:
-----------------------------------
Status: Patch Available (was: Open)
> NNTop total counts does not add up as expected
> ----------------------------------------------
>
> Key: HDFS-14524
> URL: https://issues.apache.org/jira/browse/HDFS-14524
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Minor
> Attachments: HDFS-14524.001.patch
>
>
> {{opType='*'}} is sometimes smaller than the sum of the individual operation
> types.
> {code:java}
> {
> "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": "2019-01-12"
> }
> {code}
>
> {{opType='*'}} from user {{user1}} is {{66652}}, but the sum of counts for
> other {{optype}} values by {{user1}} is actually larger: {{77253}}
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