[ZODB-Dev] Open Connections with RelStorage

[Shane Hathaway]

Shane Hathaway wrote:
> Santi Camps wrote:
>> I've 8 zope's with 4 threads each one, and I've seen more than 50 open
>> connections used by relstorage.   I was hopping one connection per
>> thread, like postgressql adapters does.  The number of connections of
>> relstorage doesn't depend of number of zope threads ?.
> 
> RelStorage opens 2 connections per thread: one for reading, one for writing.

I should add that RelStorage also opens short-lived connections for
various operations like computing the size of the storage and packing.
Be sure to allow room for those as well.

Shane