delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2003/12/09/19:33:37

Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Reply-To: <ybaykshtis AT micropat DOT com>
From: "Yurgis Baykshtis" <ybaykshtis AT micropat DOT com>
To: "'Sarah Valentine'" <svalentine AT zixcorp DOT com>
Cc: <pgsql-hackers AT postgresql DOT org>, <cygwin AT cygwin DOT com>
Subject: RE: postgres panic error
Date: Tue, 9 Dec 2003 16:18:06 -0800
Message-ID: <007a01c3beb3$163a2a80$a5936e3f@aurigin.com>
MIME-Version: 1.0
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
In-Reply-To: <3FD62A6E.8090605@zixcorp.com>
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
Importance: Normal

> 4.  I do not have "remove" messages in the pg log file

Actually, you do:

> LOG:  removing transaction log file 0000000D000000A7

So, it's the same problem as ours.
The transaction log file gets deleted followed by an attempt to rename the
same file:

> PANIC:  rename from /var/pgsql/data/pg_xlog/0000000D000000A7 to
/var/pgsql/data/pg_xlog/0000000D000000B0 (initialization of log file 13,

I tried to raise the question on pg-hackers forum and cygwin forum
(regarding readdir() misbehavior) but could not get any help so far :(

It seems like Postgres is not stable enough on Cygwin platform.
We have to consider moving either to a different platform (Linux?) or to a
different DB under Windows.



-----Original Message-----
From: Sarah Valentine
Sent: Tuesday, December 09, 2003 12:03 PM
Subject: Re: postgres panic error


Sorry for not getting back to you promptly, I got pulled unto something
else.

1&2. We have a application running on windows that connects to ps.  Our
app has a pool of ps connections within it connected to one db with 30
tables.  We can have 1...n connections operating at any one time,
usually we have 2-3.

3. The examples I have do not have timestamps so it is hard to tell what
3exactly precedes the PANIC.  One example I have the following
LOG:  recycled transaction log file 0000000D000000A5
LOG:  recycled transaction log file 0000000D000000A6
LOG:  removing transaction log file 0000000D000000A7
WARNING:  Skipping "pg_database" --- only table or database owner can
VACUUM it
WARNING:  Skipping "pg_group" --- only table or database owner can VACUUM it
WARNING:  Skipping "pg_shadow" --- only table or database owner can
VACUUM it
ERROR:  No such attribute us.cuseridleft
PANIC:  rename from /var/pgsql/data/pg_xlog/0000000D000000A7 to
/var/pgsql/data/pg_xlog/0000000D000000B0 (initialization of log file 13,
segment 176) failed: No such file or directory

4.  I do not have "remove" messages in the pg log file

Yurgis Baykshtis wrote:

>I did not contact cygwin yet but I am going to.
>
>Can you tell me some information about your problem?
>
>1. Do you have multiple concurrent clients connected to pg?
>2. If yes, do they connect to a same db or separate dbs?
>3. For each panic rename error message, do you have preceding "LOG:
>removing transaction log file" message for the corresponding file.
>4. How far "remove" and panic "rename" messages are isolated in the pg log
>file?
>
>Thanks,
>
>Yurgis
>
>-----Original Message-----
>From: Sarah Valentine
>Sent: Monday, December 01, 2003 7:26 AM
>Subject: postgres panic error
>
>
>I noticed in the postgres mail archives that you are investigating the
>rename panic errors.  I'm also running postgres on top of cygwin and
>running into this problem.  Did you find any information from cygwin
>folks about how to solve or avoid this problem?
>
>Thanks,
>Sarah Valentine
>
>
>
>
>



--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019