[Akonadi] [Bug 326704] New: akonadi_nepomuk_feeder using large amounts of memory after rebuild of Akonadi database
Jan Binder
wheel at herr-der-mails.de
Sat Oct 26 22:00:46 BST 2013
https://bugs.kde.org/show_bug.cgi?id=326704
Bug ID: 326704
Summary: akonadi_nepomuk_feeder using large amounts of memory
after rebuild of Akonadi database
Classification: Unclassified
Product: Akonadi
Version: 4.11
Platform: Debian unstable
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Nepomuk Feeder Agents
Assignee: kdepim-bugs at kde.org
Reporter: wheel at herr-der-mails.de
CC: me at vhanda.in, vkrause at kde.org
Due to the CPU contention issue with Akonadi, I had to use this piece of
advice:
https://bugs.launchpad.net/ubuntu/+source/akonadi/+bug/909022/comments/7
This worked, and CPU use by Akonadi components is back to a tolerable level.
However, after the Akonadi database rebuild finished, akonadi_nepomuk_feeder is
still holding on to a lage amount of memory, as visible in the attached smaps
file and pmap -x output.
Reproducible: Didn't try
Steps to Reproduce:
1. Get a decently sized mail collection of ~40000 mails with attachments or
more.
2. Be forced to wipe Akonadi database due to unusability.
3. Have Nepomuk indexing enabled, you want to search all that mail.
4. Wait a long time for database rebuild to finish.
Actual Results:
akonadi_nepomuk_feeder now holds onto a lot of memory, most of it on its heap
(anonymous, non-shared memory).
Expected Results:
akonadi_nepomuk_feeder should not have to keep all that memory, as the data is
supposedly indexed and stored in virtuoso?
Mail is stored in several seperate akonadi_imap_resource and a few pieces in a
local mail folder.
Reproducing tends to take about a day, which is why it was not done.
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