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From "Lyuben Todorov (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-6572) Workload recording / playback
Date Tue, 22 Jul 2014 15:12:39 GMT


Lyuben Todorov commented on CASSANDRA-6572:

Added thread id to the logs in [b2c4503|],
planning on changing the {{Iterable<QeuryLogSegment>}} to {{Map<Integer, Iterable<QeuryLogSegment>>}}
so that each entry represents a single thread's collection of querylog segments (with the
integer being the thread id as recorded in the logs) and then submitting each iterable as
a runnable task to an executor service.

The one thing I struggled finding is session information, we have access to new connections
in {{o.a.c.transport.Server#ConnectionTracker#addConnection}} but beyond that I didn't see
where session information could be accessed. 

> Workload recording / playback
> -----------------------------
>                 Key: CASSANDRA-6572
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core, Tools
>            Reporter: Jonathan Ellis
>            Assignee: Lyuben Todorov
>             Fix For: 2.1.1
>         Attachments: 6572-trunk.diff
> "Write sample mode" gets us part way to testing new versions against a real world workload,
but we need an easy way to test the query side as well.

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