On 12.03.2013, at 17:14, Christopher Schultz <ch...@christopherschultz.net> wrote: > On 3/12/13 7:54 AM, amit shah wrote: >> I am using Oracle. Oracle JDBC Driver provides the Oracle >> Universal Connection Pool (UCP) which includes this >> feature<http://docs.oracle.com/cd/E11882_01/java.112/e16548/fstconfo.htm>of >> >> > connection failover but since we use tomcat jdbc connection pool we >> cannot use UCP. > > Why not?
Because it would be two-level pooling? >> Also UCP has lot of synchronized code which leads to blocking >> threads and less concurrency support. >> >> Let me know your suggestions/thoughts. > > I'm thinking that a low-performance fail-over is preferable to a > zero-performance non-fail-over. Well, low overall performance, but possibility of failover in the hopefully rare case, may not be acceptable compared to high(er) overall performance and a search for other ways to perform failover. Rainer --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org