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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-4862) Include session information in tracing activity output
Date Sun, 28 Oct 2012 00:31:14 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-4862:
-----------------------------------------

    Attachment: CASSANDRA-4862.txt
    
> Include session information in tracing activity output
> ------------------------------------------------------
>
>                 Key: CASSANDRA-4862
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4862
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Jonathan Ellis
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2.0 beta 2
>
>         Attachments: CASSANDRA-4862.txt
>
>
> Would like something like this:
>  activity                            | timestamp    | source    | source_elapsed
> -------------------------------------+--------------+-----------+----------------
>                   execute_cql3_query | 09:57:27,290 | 127.0.0.1 |           0
>    Determining replicas for mutation | 09:57:27,290 | 127.0.0.1 |           2465
>        Sending message to /127.0.0.2 | 09:57:27,294 | 127.0.0.1 |           7105
>    Messsage received from /127.0.0.1 | 09:57:27,296 | 127.0.0.2 |             62
>                    Applying mutation | 09:57:27,298 | 127.0.0.2 |           1246
>                 Acquiring switchLock | 09:57:27,298 | 127.0.0.2 |           1353
>               Appending to commitlog | 09:57:27,298 | 127.0.0.2 |           1378
>                   Adding to memtable | 09:57:27,298 | 127.0.0.2 |           1439
>     Enqueuing response to /127.0.0.1 | 09:57:27,298 | 127.0.0.2 |           1892
>    Messsage received from /127.0.0.2 | 09:57:27,301 | 127.0.0.1 |          14493
>        Sending message to /127.0.0.1 | 09:57:27,301 | 127.0.0.2 |           4527
>  Processing response from /127.0.0.2 | 09:57:27,302 | 127.0.0.1 |          15072
>                     Request complete | 09:57:27,302 | 127.0.0.1 |          15100
> {noformat}
> ... where first and last lines are coming from the sessions table.
> Note that currently session table records started_at and finished_at; this will require
also recording duration from the stopwatch.

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