[ZODB-Dev] Cache warm up time

Claudiu Saftoiu csaftoiu at gmail.com
Fri Mar 8 17:38:45 UTC 2013


On Fri, Mar 8, 2013 at 12:31 PM, Leonardo Santagada <santagada at gmail.com>wrote:

>
> On Fri, Mar 8, 2013 at 2:17 PM, Claudiu Saftoiu <csaftoiu at gmail.com>wrote:
>
>> Once I know the difference I'll probably be able to answer this myself,
>> but I wonder why the ZEO server doesn't do the sort of caching that allow
>> the client to operate so quickly on the indices once they are loaded.
>
>
> IIRC zeo not only takes bytes from the storage and put them on a socket,
> it has a kind of heavy protocol for sending objects that has overhead on
> each object, so lots of small objects (that are 400mb in size) take a lot
> more time than sending a 400mb blob.
>

Ah that would make perfect sense. So ZEO and catalog indices really don't
mix well at all.
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