[kmail2] [Bug 317122] quite crazy memory usage

[Martin Steigerwald]

https://bugs.kde.org/show_bug.cgi?id=317122

--- Comment #29 from Martin Steigerwald <Martin at Lichtvoll.de> ---
My findings are:

merkaba:~> smem -r | head -1 ; smem -r | egrep "mysql|akonadi"
  PID User     Command                         Swap      USS      PSS      RSS 
 2454 martin   /usr/sbin/mysqld --defaults    21092   614016   614033   616552 
 1645 martin   /usr/local/bin/akonadi_agen        0   310020   310916   343472 
 1639 martin   /usr/bin/akonadi_baloo_inde        0    79436    81108   121608 
 1552 martin   akonadiserver                      0    65660    67361    94440 
25339 martin   /usr/local/bin/akonadiconso        0    26308    39426   111656 
 1647 martin   /usr/local/bin/akonadi_mail        0    17680    21420    74980 
 1644 martin   /usr/local/bin/akonadi_imap        0    18292    20464    64540 
 1651 martin   /usr/local/bin/akonadi_pop3        0    15604    16510    51944 
 1638 martin   /usr/local/bin/akonadi_arch        0    12548    15961    68684 
 1657 martin   /usr/local/bin/akonadi_send        0    10168    13043    63676 
 1650 martin   /usr/local/bin/akonadi_note        0    10724    12702    59024 
 1649 martin   /usr/local/bin/akonadi_newm        0     8592     9741    47788 
 1646 martin   /usr/local/bin/akonadi_mail        0     7584     8488    44908 
 1652 martin   /usr/local/bin/akonadi_pop3        0     7300     8168    43756 
 1643 martin   /usr/local/bin/akonadi_ical        0     7080     8058    42976 
 1642 martin   /usr/local/bin/akonadi_foll        0     5940     6752    40792 
 1641 martin   /usr/local/bin/akonadi_agen        0     5932     6678    37896 
 1637 martin   /usr/local/bin/akonadi_agen        0     5804     6665    38440 
 1648 martin   /usr/local/bin/akonadi_migr        0     5860     6603    40060 
 1640 martin   /usr/local/bin/akonadi_birt        0     5792     6553    40400 
 1635 martin   /usr/local/bin/akonadi_agen        0     5656     6548    38772 
 1656 martin   /usr/local/bin/akonadi_pop3        0     5612     6546    42104 
 1655 martin   /usr/local/bin/akonadi_pop3        0     5696     6486    40608 
 1653 martin   /usr/local/bin/akonadi_pop3        0     5608     6440    40572 
 1654 martin   /usr/local/bin/akonadi_pop3        0     5600     6375    40492 
 2297 martin   /usr/bin/akonaditray -sessi     2028     3704     4075    27756 
 1549 martin   /usr/local/bin/akonadi_cont        0     2496     2828    12660 
 7331 root     grep -E mysql|akonadi              0      368      389     2220

This is with an enormous maildir with more than 1100000 unread mails.

1645 is maildir resource. And mysql is with

innodb_buffer_pool_size=512M

and SizeThreshold=32768 in akonadiserverc

and this DB:

2,4G    akonadi
martin at merkaba:~/.local/share/akonadi/db_data> LANG=C du -sch * | sort -rh
2.7G    total
2.4G    akonadi
178M    ibdata1
64M     ib_logfile1
64M     ib_logfile0
1020K   mysql
208K    performance_schema
200K    mysql.err.old
4.0K    merkaba.pid
20K     mysql.err

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