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Chris Lohfink commented on CASSANDRA-11966: ------------------------------------------- An example before/after with patch: Before: {code} activity | timestamp | source | source_elapsed | client -----------------------------------------------------------------------------------------------------------------------+----------------------------+-----------+----------------+----------- Execute CQL3 query | 2016-06-07 22:19:39.982000 | 127.0.0.1 | 0 | 127.0.0.1 Parsing select * from system.peers; [SharedPool-Worker-1] | 2016-06-07 22:19:39.984000 | 127.0.0.1 | 2330 | 127.0.0.1 Preparing statement [SharedPool-Worker-1] | 2016-06-07 22:19:39.984000 | 127.0.0.1 | 2579 | 127.0.0.1 Computing ranges to query [SharedPool-Worker-1] | 2016-06-07 22:19:39.984000 | 127.0.0.1 | 2825 | 127.0.0.1 Submitting range requests on 1 ranges with a concurrency of 1 (403.2 rows per range expected) [SharedPool-Worker-1] | 2016-06-07 22:19:39.984000 | 127.0.0.1 | 2954 | 127.0.0.1 Submitted 1 concurrent range requests [SharedPool-Worker-1] | 2016-06-07 22:19:39.985000 | 127.0.0.1 | 3051 | 127.0.0.1 Executing seq scan across 2 sstables for (min(-9223372036854775808), min(-9223372036854775808)) [SharedPool-Worker-2] | 2016-06-07 22:19:39.985000 | 127.0.0.1 | 3172 | 127.0.0.1 Read 1 live and 0 tombstone cells [SharedPool-Worker-2] | 2016-06-07 22:19:39.985000 | 127.0.0.1 | 4015 | 127.0.0.1 Request complete | 2016-06-07 22:19:39.986322 | 127.0.0.1 | 4322 | 127.0.0.1 {code} After: {code} activity | timestamp | source | source_elapsed | client -----------------------------------------------------------------------------------------------------------------------------+----------------------------+-----------+----------------+----------- Execute CQL3 query | 2016-06-07 22:24:59.502000 | 127.0.0.1 | 0 | 127.0.0.1 Parsing select * from system.peers; [Native-Transport-Requests-2] | 2016-06-07 22:24:59.503000 | 127.0.0.1 | 1848 | 127.0.0.1 Preparing statement [Native-Transport-Requests-2] | 2016-06-07 22:24:59.503000 | 127.0.0.1 | 2090 | 127.0.0.1 Computing ranges to query [Native-Transport-Requests-2] | 2016-06-07 22:24:59.503000 | 127.0.0.1 | 2396 | 127.0.0.1 Submitting range requests on 1 ranges with a concurrency of 1 (604.8 rows per range expected) [Native-Transport-Requests-2] | 2016-06-07 22:24:59.504000 | 127.0.0.1 | 2546 | 127.0.0.1 Submitted 1 concurrent range requests [Native-Transport-Requests-2] | 2016-06-07 22:24:59.504000 | 127.0.0.1 | 2650 | 127.0.0.1 Executing seq scan across 3 sstables for (min(-9223372036854775808), min(-9223372036854775808)) [ReadStage-1] | 2016-06-07 22:24:59.504000 | 127.0.0.1 | 2751 | 127.0.0.1 Read 1 live and 0 tombstone cells [ReadStage-1] | 2016-06-07 22:24:59.505000 | 127.0.0.1 | 3656 | 127.0.0.1 Request complete | 2016-06-07 22:24:59.506012 | 127.0.0.1 | 4012 | 127.0.0.1 {code} > When SEPWorker assigned work, set thread name to match pool > ----------------------------------------------------------- > > Key: CASSANDRA-11966 > URL: https://issues.apache.org/jira/browse/CASSANDRA-11966 > Project: Cassandra > Issue Type: Improvement > Components: Observability > Reporter: Chris Lohfink > Assignee: Chris Lohfink > Priority: Minor > > Currently in traces, logs, and stacktraces you cant really associate the > thread name with the pool since its just "SharedWorker-#". Calling setName > around the task could improve logging and tracing a little while being a > cheap operation. -- This message was sent by Atlassian JIRA (v6.3.4#6332)