[Zope-DB] Re: Zope-DCOracle2 vs Tomcat-JDBC performance

Dieter Maurer dieter@handshake.de
Tue, 3 Jun 2003 20:13:05 +0200

M.-A. Lemburg wrote at 2003-6-3 10:14 +0200:
 > ...
 > Could be that the DCOracle2 Zope adapter doesn't support concurrently
 > executing multiple database queries on a single logical connection.
 > If it doesn't, then all queries are executed serialized and addding
 > more threads doesn't buy you anything much. *)

Not very likely:

  DCOracle(1) opened a connection to Oracle for each ZODB connection
  (for each DA instance) and was able to perform multiple queries
  concurrently (in different threads).

  Would be astonishing when this had changed in DCOracle2.