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From Lefty Leverenz <leftylever...@gmail.com>
Subject Re: Unsubscribe
Date Fri, 19 Oct 2018 05:41:44 GMT
Richard, to unsubscribe please send a message to
user-unsubscribe@hive.apache.org as described here:  Mailing Lists
<http://hive.apache.org/mailing_lists.html>.

Thanks.  -- Lefty


On Tue, Oct 16, 2018 at 2:20 PM Richard A. Bross <rb@oaktreepeak.com> wrote:

> Unsubscribe
>
> ----- Original Message -----
> From: "Kevin Risden" <krisden@apache.org>
> To: user@hive.apache.org
> Sent: Tuesday, October 16, 2018 9:44:17 AM
> Subject: Re: HiveServer2 performance references?
>
>
> Thanks for the responses. I'll wait to test with HIVE-20621 to see how
> much that helps. For HIVE-17194, doesn't look like that is documented
> outside of JIRA currently. It looks like I may have picked up over the wire
> compression by default. I had assumed it wasn't compressed.
>
>
>
> Kevin Risden
>
>
>
>
> On Tue, Oct 16, 2018 at 12:44 AM Gopal Vijayaraghavan < gopalv@apache.org
> > wrote:
>
>
>
>
>
>
> Hi,
>
>
> > I was looking at HiveServer2 performance going through Knox in KNOX-1524
> and found that HTTP mode is significantly slower.
>
>
>
> The HTTP mode does re-auth for every row before HIVE-20621 was fixed –
> Knox should be doing cookie-auth to prevent ActiveDirectory/LDAP from
> throttling this.
>
> I fixed it for the open-source JDBC drivers, but I think the proprietary
> ODBC drivers are still broken (the C++ code doesn’t save cookies).
>
> > I also didn't see any information about reducing amount of data over the
> wire with compression.
>
> It’s possible Knox doesn’t generate/forward the Accept-Encoding headers.
>
>
>
> https://issues.apache.org/jira/browse/HIVE-17194
>
>
> Cheers,
>
> Gopal
>
>
>
>
> From: Prasanth Jayachandran < pjayachandran@hortonworks.com >
> Reply-To: " user@hive.apache.org " < user@hive.apache.org >
> Date: Monday, October 15, 2018 at 12:34 PM
> To: " user@hive.apache.org " < user@hive.apache.org >, "
> user@hive.apache.org " < user@hive.apache.org >
> Subject: Re: HiveServer2 performance references?
>
>
>
>
>
>
>
> One performance fix that is fixed recently and is related is HIVE-20621
>
>
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>
> Thanks
>
>
> Prasanth
>
>
>
>
>
>
> On Mon, Oct 15, 2018 at 12:11 PM -0700, "
>
>
>
> Kevin Risden " < krisden@apache.org > wrote:
>
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> Are there any resources on HiveServer2 performance - specifically binary
> vs HTTP mode? I would also be interested in any information about enabling
> compression between HiveServer2 and a client like beeline.
>
>
>
>
>
> I was looking at HiveServer2 performance going through Knox in KNOX-1524
> and found that HTTP mode is significantly slower. I searched and didn't
> find any references to performance of HiveServer2 out of the box. I also
> didn't see any information about reducing amount of data over the wire with
> compression.
>
>
>
>
>
> Any pointers would be very helpful. Thanks!
>
>
>
>
>
>
>
> Kevin Risden
>

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