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From: Jeff Ross <[email protected]>
To: [email protected]
Subject: 8.0.0 on disk fails regress test, but on ram disk it is fine...
Date: Sat, 22 Jan 2005 16:45:33 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

I'm preparing to upgrade our PostgreSQL installation from 7.3.5 to 
8.0.0.  I downloaded, configured, compiled, and did gmake check and 
much to my surprise, 26 of the 96 tests failed.

Examination of regression.diffs shows that 1 of the failures is random 
(and it is ignored) but 23 of the 26 errors are:

! psql: could not send startup packet: Broken pipe

Interestingly enough, if I load the source code onto a 1GB ram disk and 
configure, compile and check it there, all 96 tests pass.

Hardware is RAID 1 using 2 disks with one additional disk as a hot 
spare, dual 2.66 GHz Xeon processors with 2 GB of RAM.  Operating 
system is OpenBSD 3.6.

I'm a little leary of upgrading my PostgreSQL installation with those 
kind of failure rates.

I'd appreciate any insight as to why so many tests would fail when run 
on disk and pass when run in ram.

Thanks,

Jeff Ross

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