[GitHub] [hbase] rmdmattingly opened a new pull request, #4937: HBASE-27536: improve slowlog payload

Thu, 22 Dec 2022 11:48:22 -0800 


rmdmattingly opened a new pull request, #4937:
URL: https://github.com/apache/hbase/pull/4937

   Related Jira: https://issues.apache.org/jira/browse/HBASE-27536
   
   I've loaded the server changes onto a test host and verified the following 
two states:
   * `hbase.regionserver.slowlog.operation.json.enabled` == false results in an 
empty string for `operationJson`
   * `hbase.regionserver.slowlog.operation.json.enabled` == true results in an 
`operationJson` as expected.
   
   Here's a picture of the entire `OnlineLogEntry` for a `Mutate` example:
   ![Screen Shot 2022-12-22 at 1 27 59 
PM](https://user-images.githubusercontent.com/21689053/209202941-02324316-cffd-4a84-b027-4ffc397abcfd.png)
   
   And here's a copy of the `operationJson` for a `Scan` example:
   ```
   {
     "filter": "PageFilter 25",
     "startRow": "P\\x00\\x00\\x00",
     "stopRow": "`\\x00\\x00\\x00",
     "batch": -1,
     "cacheBlocks": false,
     "totalColumns": 0,
     "maxResultSize": "4194304",
     "families": {},
     "caching": 2147483647,
     "maxVersions": 1,
     "timeRange": [
       "0",
       "9223372036854775807"
     ]
   }
   ```


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