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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6487) Log WARN on large batch sizes
Date Tue, 17 Dec 2013 20:58:07 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13850893#comment-13850893
] 

Jonathan Ellis commented on CASSANDRA-6487:
-------------------------------------------

Can you make it configure by 1s instead of 1000s?

Bikeshed: would prefer format of

{noformat}
Batch of statements for [test.cf, test.cf2, test2.cf] is of size 11024, exceeding specified
threshold of 7168
{noformat}

> Log WARN on large batch sizes
> -----------------------------
>
>                 Key: CASSANDRA-6487
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6487
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Patrick McFadin
>            Assignee: Lyuben Todorov
>            Priority: Minor
>         Attachments: 6487_trunk.patch
>
>
> Large batches on a coordinator can cause a lot of node stress. I propose adding a WARN
log entry if batch sizes go beyond a configurable size. This will give more visibility to
operators on something that can happen on the developer side. 
> New yaml setting with 5k default.
> {{# Log WARN on any batch size exceeding this value. 5k by default.}}
> {{# Caution should be taken on increasing the size of this threshold as it can lead to
node instability.}}
> {{batch_size_warn_threshold: 5k}}



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