During calender weeks 6,7,8 and 9 this problem did not occur anymore.
Strange enough...
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Now we have:
- worker1: Trusty with Trusty kernel, no swapping
- worker2: Utopic with Kernel 3.13.11-031311ckt14-generic, swapping
- worker3: Utopic with Kernel 3.18.2-031802-generic, swapping
So we still encounter the swapping problem with Utopic installations no matter,
which kernel is installe
Downgraded kernel on one machine with Utopic to kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11-ckt14-trusty/
The machine with Trusty installed runs now for 6 days without swapping and same
load as all other machines.
Rebooted the second machine with Utopic to have an indicator
Ping. Do you have any hints where to look for the cause of this very
different caching behaviour of the latest mainline kernel?
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https://bugs.launchpad.net/bugs/1401817
Title:
memory le
So it must be some setting within the system that affects this behavior.
Any hints from the Ubuntu guys what we should look for?
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Title:
memory l
Hmm, sorry. Downloaded file is stored in an XFS filesystem on a rotating
disc partition. So there needs to be something wrong in the block cache
implementation in the kernel causing memory usage to be higher that
available memory. And consuming more memory for block caches than
currently is availab
I can reproduce this very easily. Just download a 30G file with wget.
The kernel fills up your memory until the machine starts swapping. Most
consuming memory area is the cache memory.
$ free
Gesamt Belegt Frei Gemeinsam Puffer Cached
Speicher: 16374340 15801164 573176 138
The same issue happens for me with the linux-image-server:
Dec 7 12:04:24 node1 multipathd: sdc: remove path (uevent)
Dec 7 12:04:24 node1 kernel: [65815.457105] sd 1:0:0:1: [sdc] Synchronizing
SCSI cache
Dec 7 12:04:24 node1 kernel: [65815.458094] sd 1:0:0:1: [sdc] Result:
hostbyte=DID_OK d
** Also affects: linux-meta (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1056746
Title:
kernel thread hang on iscsi target disconnect
To manage
