Public bug reported:
We are running a couple of busy servers (each processing ~7000 requests
per minute) with PHP application, on Ubuntu 14.04, 64 bit. There is a
load balancer, servers receive more or less equal traffic.
We were running a common set of PHP with PHP 5.5.9+dfsg-1ubuntu4.14.
Typical load on the servers is around 2-3:
13:50:57 up 141 days, 6:22, 1 user, load average: 2.02, 2.33, 2.45
Today, we've decided to update the packages (apt-get update and
friends). This updated our PHP packages to 5.5.9+dfsg-1ubuntu4.16.
After this - load average on the servers skyrocketed:
13:45:11 up 141 days, 8:15, 1 user, load average: 62.08, 48.32,
28.68
Updated two more servers - same thing, load average goes up to 50-70.
Given this issue, we're not updating the packages on the rest of the
servers (which continue to run with load of 2-3; updated servers have
load of 50-70).
Is it a known issue in PHP 5.5.9+dfsg-1ubuntu4.16? What should we do to
debug this?
** Affects: php5 (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
- We are running a couple of busy servers (~7000 requests per minute) with
- PHP application, on Ubuntu 14.04, 64 bit. There is a load balancer,
- servers receive more or less equal traffic.
+ We are running a couple of busy servers (each processing ~7000 requests
+ per minute) with PHP application, on Ubuntu 14.04, 64 bit. There is a
+ load balancer, servers receive more or less equal traffic.
We were running a common set of PHP with PHP 5.5.9+dfsg-1ubuntu4.14.
Typical load on the servers is around 2-3:
+ 13:50:57 up 141 days, 6:22, 1 user, load average: 2.02, 2.33, 2.45
- 13:50:57 up 141 days, 6:22, 1 user, load average: 2.02, 2.33, 2.45
-
-
- Today, we've decided to update the packages (apt-get update and friends).
This updated our PHP packages to 5.5.9+dfsg-1ubuntu4.16.
+ Today, we've decided to update the packages (apt-get update and
+ friends). This updated our PHP packages to 5.5.9+dfsg-1ubuntu4.16.
After this - load average on the servers skyrocketed:
- 13:45:11 up 141 days, 8:15, 1 user, load average: 62.08, 48.32,
+ 13:45:11 up 141 days, 8:15, 1 user, load average: 62.08, 48.32,
28.68
+ Updated two more servers - same thing, load average goes up to 50-70.
+ Given this issue, we're not updating the packages on the rest of the
+ servers (which continue to run with load of 2-3; updated servers have
+ load of 50-70).
- Updated two more servers - same thing, load average goes up to 50-70. Given
this issue, we're not updating the packages on the rest of the servers (which
continue to run with load of 2-3; updated servers have load of 50-70).
-
-
- Is it a known issue in PHP 5.5.9+dfsg-1ubuntu4.16? What should we do to debug
this?
+ Is it a known issue in PHP 5.5.9+dfsg-1ubuntu4.16? What should we do to
+ debug this?
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https://bugs.launchpad.net/bugs/1573625
Title:
very high system load after upgrading to 5.5.9+dfsg-1ubuntu4.16
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