-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Suresh V. wrote:
> Tres Seaver wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
> 
>>  - Tune the ZEO disk cache size (the warning sign is seen lots of
>>    "ZEO cache flip" entries in the event log).
>>
> 
> Can you explain this some more?
> 
> 1. Do we increase the cache size when we see these ZEO cache flips?

Yes  In general, keep increasing it until they are no longer "noticeable".

> 2. What is a "good" rate for these cache flips?

I don't have a firm sense, but no oftener than every hour, say:  when
the cache flips, you lose half the working set (the "oldest" half).



Tres.
- --
===================================================================
Tres Seaver          +1 540-429-0999          [EMAIL PROTECTED]
Palladion Software   "Excellence by Design"    http://palladion.com
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFHkfTy+gerLs4ltQ4RAsrnAKCpQBnp/eARWtDLbLaVqxU6acd+NwCghkpP
oKdWmCIhDs8dUW8uNtHXk3I=
=DhiR
-----END PGP SIGNATURE-----

_______________________________________________
Zope maillist  -  Zope@zope.org
http://mail.zope.org/mailman/listinfo/zope
**   No cross posts or HTML encoding!  **
(Related lists - 
 http://mail.zope.org/mailman/listinfo/zope-announce
 http://mail.zope.org/mailman/listinfo/zope-dev )

Reply via email to