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https://issues.apache.org/jira/browse/CASSANDRA-7644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14081129#comment-14081129
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Benedict commented on CASSANDRA-7644:
-------------------------------------
LGTM
> tracing does not log commitlog/memtable ops when the coordinator is a replica
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-7644
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7644
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Brandon Williams
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 2.1.0
>
> Attachments: 7644.txt
>
>
> For instance:
> {noformat}
> session_id | event_id
> | activity | source
> | source_elapsed | thread
> --------------------------------------+--------------------------------------+-------------------------------------------------------------------+---------------+----------------+-------------------------
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1c4bc1-176f-11e4-8893-4b4842ed69b9
> | Parsing insert into "Standard1" (key, "C0") VALUES ( 0xff, 0xff); |
> 10.208.8.123 | 86 | SharedPool-Worker-5
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1c72d0-176f-11e4-8893-4b4842ed69b9
> | Preparing statement |
> 10.208.8.123 | 434 | SharedPool-Worker-5
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1c72d1-176f-11e4-8893-4b4842ed69b9
> | Determining replicas for mutation |
> 10.208.8.123 | 534 | SharedPool-Worker-5
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1c72d2-176f-11e4-8893-4b4842ed69b9
> | Sending message to /10.208.8.63 |
> 10.208.8.123 | 1157 | WRITE-/10.208.8.63
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1c99e0-176f-11e4-8893-4b4842ed69b9
> | Sending message to /10.208.35.225 |
> 10.208.8.123 | 1975 | WRITE-/10.208.35.225
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d0f10-176f-11e4-8893-4b4842ed69b9
> | Message received from /10.208.8.63 |
> 10.208.8.123 | 4732 | Thread-5
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d0f11-176f-11e4-8893-4b4842ed69b9
> | Message received from /10.208.35.225 |
> 10.208.8.123 | 5086 | Thread-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3620-176f-11e4-8893-4b4842ed69b9
> | Processing response from /10.208.8.63 |
> 10.208.8.123 | 5288 | SharedPool-Worker-7
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3620-176f-11e4-93e6-517bcdb23258
> | Message received from /10.208.8.123 |
> 10.208.35.225 | 76 | Thread-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3620-176f-11e4-9b20-3b546d897db7
> | Message received from /10.208.8.123 |
> 10.208.8.63 | 317 | Thread-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3621-176f-11e4-8893-4b4842ed69b9
> | Processing response from /10.208.35.225 |
> 10.208.8.123 | 5332 | SharedPool-Worker-7
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3621-176f-11e4-93e6-517bcdb23258
> | Appending to commitlog |
> 10.208.35.225 | 322 | SharedPool-Worker-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3622-176f-11e4-93e6-517bcdb23258
> | Adding to Standard1 memtable |
> 10.208.35.225 | 386 | SharedPool-Worker-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d3623-176f-11e4-93e6-517bcdb23258
> | Enqueuing response to /10.208.8.123 |
> 10.208.35.225 | 451 | SharedPool-Worker-4
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d5d30-176f-11e4-93e6-517bcdb23258
> | Sending message to bw-1/10.208.8.123 |
> 10.208.35.225 | 1538 | WRITE-bw-1/10.208.8.123
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d5d30-176f-11e4-9b20-3b546d897db7
> | Appending to commitlog |
> 10.208.8.63 | 1191 | SharedPool-Worker-7
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d5d31-176f-11e4-9b20-3b546d897db7
> | Adding to Standard1 memtable |
> 10.208.8.63 | 1226 | SharedPool-Worker-7
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d5d32-176f-11e4-9b20-3b546d897db7
> | Enqueuing response to /10.208.8.123 |
> 10.208.8.63 | 1277 | SharedPool-Worker-7
> bb1c4bc0-176f-11e4-8893-4b4842ed69b9 | bb1d5d33-176f-11e4-9b20-3b546d897db7
> | Sending message to bw-1/10.208.8.123 |
> 10.208.8.63 | 1450 | WRITE-bw-1/10.208.8.123
> {noformat}
> All nodes are replicas, but the coordinator (123) never logged anything about
> adding to its commitlog/memtable, though the other replicas did.
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