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Re: caching magic
I really suggest someone with a deep insight into this,
as you all appear to have, condense the outcoming
of this thread into a FAQ!
Ciao, Ando.
> Igor Brezac wrote:
>
>> On Thu, 17 Jun 2004, Quanah Gibson-Mount wrote:
>
>>>No, it goes in slapd.conf in OpenLDAP 2.2 or later. It is documented in
>>>the slapd-bdb manpage:
>>>
>>> shm_key <integer>
>>> Specify a key for a shared memory BDB environment. By
>>> default the BDB environment uses memory mapped files.
>>> If a non-zero value is specified, it will be used as
>>> the key to identify a shared memory region that will
>>> house the environment.
>
>>>>From my slapd.conf:
>>>
>>>database bdb
>>>shm_key 5
>
>> This can go in DB_CONFIG:
>> http://www.sleepycat.com/docs/api_c/env_set_shm_key.html
>
> No, that alone is not enough. If it were enough by itself, I would never
> have added this code to back-bdb. You also need to set the DB_SYSTEM_MEM
> flag when creating the environment, and this flag cannot be set in
> DB_CONFIG. Using the shm_key keyword tells back-bdb the key *and* tells
> it to set the flag when creating the environment.
> --
> -- Howard Chu
> Chief Architect, Symas Corp. Director, Highland Sun
> http://www.symas.com http://highlandsun.com/hyc
> Symas: Premier OpenSource Development and Support
>
--
Pierangelo Masarati
mailto:pierangelo.masarati@sys-net.it
SysNet - via Dossi,8 27100 Pavia Tel: +390382573859 Fax: +390382476497