Author: Maris Elsins

Investigating IO performance on Amazon EC2

I published a blog post called “Investigating IO Performance on Amazon RDS for Oracle” recently, and soon after posting it I received several questions asking if IO worked the same way on EC2 instances. My immediate though was it did,…

Read More >

Investigating IO Performance on Amazon RDS for Oracle

Maris Elsins, Lead Database Consultant at Pythian, provides an in-depth examination of IO Performance on Amazon RDS for Oracle.

Read More >

The getMOSPatch V2 Is Here!

Maris Elsins, Lead Database Consultant at Pythian, Oracle ACE & OC announces a new version of the tool getMOSPatch V2.

Read More >

Internals of Querying the Concurrent Requests’ Queue – Revisited for R12.2

Maris Elsins, Lead Database Consultant at Pythian, Oracle ACE & OCM, revisits the internals of querying the concurrent requests’ queue for R12.2.

Read More >

Is Oracle Smart Flash Cache a “SPOF”?

Maris Elsins, Lead Database Consultant at Pythian, Oracle ACE & OCM, explores whether the failure of a solid-state device used by Oracle Smart Flash Cache affects the availability of the database.

Read More >

Handling the Leap Second – Linux

Last week I published a blog post titled “Are You Ready For the Leap Second?“, and by looking at the blog statistics I could tell that many of you read it, and that’s good, because you became aware of the…

Read More >

Are you Ready for the Leap Second?

If you’re not aware of what the leap second is look into it. The fact is, this year the last minute of June 30th will be one second longer and “June 30, 2015 23:59:60” will be a valid and correct time….

Read More >

Using the ILOM for Troubleshooting on ODA

I worked on root cause analysis for a strange node reboot on client’s Oracle Database Appliance yesterday. The case was quite interesting from the perspective that none of the logs contained any information related to the cause of the reboot….

Read More >

Do AWR Reports Show the Whole Picture?

AWR report is a great source of aggregated information on top activities happening in our databases. I use data collected in AWR quite often, and obviously the easiest way of getting the data out from the AWR is by running the…

Read More >

My Experience at UKOUG Tech13

UKOUG Tech13 was great! Not only because of the amount of interesting presentations to choose from, but also because of the surrounding events. I felt this conference was quite different from previous UKOUG Oracle Technology & E-Business Suite events in…

Read More >
Page 1 of 3123