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From "Aleksey Yeschenko (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-7688) Add data sizing to a system table
Date Fri, 03 Apr 2015 18:57:55 GMT


Aleksey Yeschenko commented on CASSANDRA-7688:

There most definitely won't be a separate CQL command just for that, but when we switch this
to a virtual table implementation (when we have those) it might be as simple as {{UPDATE}}ing
a boolean field in that table to trigger recalc.

We could temporarily add a JMX method. Or you could set the interval to be really low for
now, and add some sleep.

I know it's a bit ugly, but it's just an interim measure.

> Add data sizing to a system table
> ---------------------------------
>                 Key: CASSANDRA-7688
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Jeremiah Jordan
>            Assignee: Aleksey Yeschenko
>             Fix For: 2.1.5
>         Attachments: 7688.txt
> Currently you can't implement something similar to describe_splits_ex purely from the
a native protocol driver. is open to expose
easily getting ownership information to a client in the java-driver.  But you still need the
data sizing part to get splits of a given size.  We should add the sizing information to a
system table so that native clients can get to it.

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