среда, 19 октября 2011 г.

PostgreSQL: server closed connection

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Today I got a ton of messages DBI connect('dbname=xxx;host=yyy','username',...) failed: server closed the connection unexpec...
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вторник, 4 октября 2011 г.

OpenVZ and Java

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Today we encountered interesting bug in Proxmox 1.9. Java works in container very slow and randomly fails . There are two possible workaroun...
суббота, 24 сентября 2011 г.

Adding vdev to raidz pool

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There is one fundamental flaw in raidz ZFS pools: you can't add devices to raidz (as opposed to usual raid5). So, could we do anything t...
среда, 21 сентября 2011 г.

PostgreSQL 9.1 create extension and database upgrade

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Yesterday I was eager to try some new 9.1 features, in particular to experiment with exclude constraints (I've read they were improved ...
воскресенье, 18 сентября 2011 г.

Extracting domain name from uri with SQL

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I don't know if it is effective, but this ugly SQL (in PostgreSQL dialect) extracts domain name part from uri (i.e. translates protocol:...
воскресенье, 28 августа 2011 г.

Change user password in script on FreeBSD host

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Changing user password in script on FreeBSD host turned out to be very simpe. Use "pw" for this purpose: echo "user_passwo...
понедельник, 15 августа 2011 г.

KVM is ported to Illumos

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Great news. KVM is ported to Illumos by Joyent . Currently only Intel CPUs are supported. I crave for KVM on OpenIndiana with support for A...