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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-8391) Create table command produces lot of selects from system tables
Date Fri, 28 Nov 2014 12:37:12 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-8391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko resolved CASSANDRA-8391.
------------------------------------------
    Resolution: Not a Problem

> Create table command produces lot of selects from system tables
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-8391
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8391
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Linux 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu Jun 19 21:14:45 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.7.0_71"
> Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
> Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
> [cqlsh 4.1.1 | Cassandra 2.0.10 | CQL spec 3.1.1 | Thrift protocol 19.39.0]
>            Reporter: Zdenek Ott
>         Attachments: create.log.gz
>
>
> I traced simple 'create table' command and found that cassandra calls many times "SELECT
* FROM system.schema_columns" and "SELECT * FROM system.schema_triggers". In my tracing log
it is 132 and 66 times. I'm not sure if it is tracing issue or 'create table' issue, but the
result is weird.



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