Posts Categorized: Pythian

MERRY CHRISTMAS from Pythian’s EBS Teams, Oracle Style ;-)

Pythian’s friendly Oracle e-Business Suite DBAs would like to congratulate all of our friends, clients, Pythian colleagues, prospects, new team members whom we haven’t yet met (join us!), all database geeks, and blog readers for successfully completing 2012! Have a very peaceful Christmas and the happiest year ever in 2013! May all of your pagers be quiet, and your year-end maintenance be incident-free! ;) Here comes our Christmas card to you :)

Benchmarking NDB vs Galera

Inspired by the benchmark in this post, we decided to run some NDB vs Galera benchmarks for ourselves. We confirmed that NDB does not perform well using m1.large instances. In fact, it’s totally unacceptable –  no setup should ever have a minimum latency of 220ms – so m1.large instances are not an option. Apparently the…

Put Opsview Hosts Into Downtime via the Shell

Recently a client of ours who used opsview to manage their resources needed to place some of their hosts into downtime in conjunction with some other cron-scheduled tasks. In order to implement that functionality, I created this simple script that should work with most installations of opsview, or with a few modifications, can be modified…

Changing SID on a RAC Environment

Just a short note documenting a procedure that isn’t done frequently, and I didn’t see described anywhere else. Somewhere last month a customer asked for my help in changing the SIDs on one of his RAC databases to match the new corporate standard. The database name matched the standard so we could leave that alone, but the SID needed to be changed. Here’s what we did to change it

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