northscalefeed

Upgrading Couchbase Community Edition

Why Enterprise Edition Couchbase Server is generally available in three flavors: Community Edition (CE), Enterprise Edition (EE) and Couchbase Cloud (DBaaS).  Many customers start with Community Edition. They download CE and use it completely free to run development, test and production workloads. CE includes some basic availability, security and performance features. However, EE can be useful for heavy production workloads. For...

orastory.wordpress.com orastory.wordpress.com

Oracle 19c Upgrade: Bug 31602782 – Same Instance Slave Parse Failure Flood Control

It’s almost a universal truth that for any non-trivial application you can expect to hit one or two serious incidents in production post-upgrade, most often due to some combination of workload and/or timing which just didn’t happen in testing beforehand. In this instance (/these instances), it was the bug 31602782, the patch for which has the above title, the doc id description being “Contention on CURSOR: Pin S wait on X when PQ...