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Posted to dev@hbase.apache.org by "Yu Li (JIRA)" <ji...@apache.org> on 2016/10/31 04:01:02 UTC
[jira] [Created] (HBASE-16972) Log more details for Scan#next
request when responseTooSlow
Yu Li created HBASE-16972:
-----------------------------
Summary: Log more details for Scan#next request when responseTooSlow
Key: HBASE-16972
URL: https://issues.apache.org/jira/browse/HBASE-16972
Project: HBase
Issue Type: Improvement
Components: Operability
Reporter: Yu Li
Assignee: Yu Li
Currently for if responseTooSlow happens on the scan.next call, we will get warn log like below:
{noformat}
2016-10-31 11:43:23,430 WARN [RpcServer.FifoWFPBQ.priority.handler=5,queue=1,port=60193] ipc.RpcServer(2574):
(responseTooSlow): {"call":"Scan(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ScanRequest)",
"starttimems":1477885403428,"responsesize":52,"method":"Scan","param":"scanner_id: 11 number_of_rows: 2147483647
close_scanner: false next_call_seq: 0 client_handles_partials: true client_handles_heartbeats: true
track_scan_metrics: false renew: false","processingtimems":2,"client":"127.0.0.1:60254","queuetimems":0,"class":"HMaster"}
{noformat}
From which we only have a {{scanner_id}} and impossible to know what exactly this scan is about, like against which region of which table.
After this JIRA, we will improve the message to something like below (notice the last line):
{noformat}
2016-10-31 11:43:23,430 WARN [RpcServer.FifoWFPBQ.priority.handler=5,queue=1,port=60193] ipc.RpcServer(2574):
(responseTooSlow): {"call":"Scan(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ScanRequest)",
"starttimems":1477885403428,"responsesize":52,"method":"Scan","param":"scanner_id: 11 number_of_rows: 2147483647
close_scanner: false next_call_seq: 0 client_handles_partials: true client_handles_heartbeats: true
track_scan_metrics: false renew: false","processingtimems":2,"client":"127.0.0.1:60254","queuetimems":0,"class":"HMaster",
"scandetails":"table: hbase:meta region: hbase:meta,,1.1588230740"}
{noformat}
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