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From Darren Hoo <darren....@gmail.com>
Subject Re: impalad using 400% CPU
Date Wed, 25 Jan 2017 06:51:13 GMT
Hi Alex,

The GET_TALBES statement is due to one of our applications using C3P0 for
jdbc connection pooling.
It  will test Connections by calling the getTables() method on a
Connection's associated DatabaseMetaData object.

We only have 26 tables, and we don't use sentry.



On Wed, Jan 25, 2017 at 2:11 PM, Alex Behm <alex.behm@cloudera.com> wrote:

> Can you elaborate on what your GET_TABLES was doing? Do you have many
> tables? Are you running Sentry and have many roles/grants?
>
> On Tue, Jan 24, 2017 at 9:15 PM, Darren Hoo <darren.hoo@gmail.com> wrote:
>
>> forgot to include VERSION info:
>>
>> +-----------------------------------------------------------
>> --------------------------------------+
>>
>> | version()
>>                         |
>>
>> +-----------------------------------------------------------
>> --------------------------------------+
>>
>> | impalad version 2.7.0-IMPALA_KUDU-cdh5 RELEASE (build
>> 10d4ebec3c23961218e972e74e9d342ffc417af1) |
>>
>> | Built on Mon Nov 21 23:11:10 PST 2016
>>                         |
>>
>> +-----------------------------------------------------------
>> --------------------------------------+
>>
>>
>>
>

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