pg.ddx.io  pgsql-hackers@postgresql.org mailing list archive  

help / color / mirror / Atom feed

From: Gregory Stark <stark@enterprisedb.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@commandprompt.com>
Cc: ITAGAKI Takahiro <itagaki.takahiro@oss.ntt.co.jp>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: pgsql-hackers@postgresql.org
Subject: Re: CSStorm occurred again by postgreSQL8.2
Date: Thu, 14 Sep 2006 16:15:04 +0100
Message-ID: <87psdyqy2v.fsf@enterprisedb.com> (raw)
In-Reply-To: <29128.1158244999@sss.pgh.pa.us>
References: <20060808110913.50FA.ITAGAKI.TAKAHIRO@oss.ntt.co.jp>
	<200608260346.k7Q3k2g06954@momjian.us>
	<20060828181312.5638.ITAGAKI.TAKAHIRO@oss.ntt.co.jp>
	<13251.1157299738@sss.pgh.pa.us>
	<22080.1158198335@sss.pgh.pa.us>
	<87mz92so6n.fsf@enterprisedb.com>
	<27509.1158237711@sss.pgh.pa.us>
	<28167.1158241250@sss.pgh.pa.us>
	<28515.1158242279@sss.pgh.pa.us>
	<20060914142222.GA525@alvh.no-ip.org>
	<29128.1158244999@sss.pgh.pa.us>

Tom Lane <tgl@sss.pgh.pa.us> writes:

> --- and because the entries are surely added in increasing XID order,
> such an array could be binary-searched.  

If they're only added if they write to disk then isn't it possible to add them
out of order? Start a child transaction, start a child of that one and write
to disk, then exit the grandchild and write to disk in the first child? I'm
just going on your description, I'm not familiar with this part of the code at
all.

-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com

view thread (22+ messages)  latest in thread

Message-ID: <87psdyqy2v.fsf@enterprisedb.com>
Permalink:  ../87psdyqy2v.fsf@enterprisedb.com/
Also on:    postgresql.org/message-id/87psdyqy2v.fsf@enterprisedb.com

copy link · copy postgr.es

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-hackers@postgresql.org
  Cc: stark@enterprisedb.com, tgl@sss.pgh.pa.us, alvherre@commandprompt.com, itagaki.takahiro@oss.ntt.co.jp, bruce@momjian.us
  Subject: Re: CSStorm occurred again by postgreSQL8.2
  In-Reply-To: <87psdyqy2v.fsf@enterprisedb.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox