I would really like to see expire gone

[Todd Olson]

Hi

At 14:03 +0000 2003/01/26, bill davidsen wrote:
>In article <p05100314ba571b3a2f6f@[128.253.64.63]>,
>Todd Olson  <tco2 at cornell.edu> wrote:
>
>| I suspect the Sleepycat database would be way to slow.
>| The e-mail-list server, Listproc, uses ver 2.6.7 of Sleepcat
>| to build a simple data base that lets you answer the question
>| 'what e-lists is this address on'
>|
>| when this list has be be rebuild from scratch with approximately 100,000
>| addresses, it takes close to two hours on a Sun E250 (dual 400Mhz ultrasparc
>| processors, 2G RAM, fastwide SCSI mirrored disks, ufs with veritas volume mgmt).
>|
>| When the same build is done to a tmp filesystem, it takes about 1 min.
>
>If you mean that it takes that time using sleepycat but faster disk,
>then clearly the db itself isn't the bottleneck (ie. CPU usage).

True

>| Most of the time with the disks the system seems to be waiting for
>| the disk system to commit a data item written to the database.
>
>Does "tmp filesystem" mean ramdisk, or just a filesystem with a less
>robust method?

ramdisk I guess ... under Solaris I just put a test instance of listproc
in /tmp and ran the sleepcat build there.  /tmp is I believe ram based.

Regards,
Todd