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Month: November 2014

E000 process consuming CPU constantly

November 9, 2014 by Domagoj

I noticed on one of the 11g databases (recently patched to 11.2.0.4) that it had constant CPU usage that was not there before. One session was constantly in CPU wait. It happened to be the E000 process which is a slave process of event monitor (EMON). As this is the one of the system processes … Read more

Categories oracle Tags _client_enable_auto_unregister, 11.2.0.4, cpu, e000, emon, event monitor, oracle Leave a comment

Start virutalbox machine without a window

November 4, 2014 by Domagoj

It’s simple. Just use the command prompt and VBoxManage.exe command (it’s located in your VBox installation folder): VBoxManage.exe startvm “VM name” –type headless Check out VBoxManage manual page for other neat things you can do with it.

Categories hardware Tags headless, vitualbox, vmmanage, window Leave a comment

Enforce a constraint but do it fast and don’t look at my data

May 17, 2016November 3, 2014 by feign

Here is a silly little thing you can do to your columns for … some reason. Create a constraint on a table full of data that would not pass the check for the constraint. This is not something that should be done if it can be avoided. You want your constraints to define a rule … Read more

Categories oracle Tags constraint, novalidate, null, oracle, rely Leave a comment

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