[Evolution] Virtual Memory gone mad

2009-03-10 Thread Jonathan Ryshpan
Investigating why my computer had suddenly become very s.l.o.w, I
noticed that virtual memory usage had become very large.  In particular
the usage by evolution and evolution-data-server look large, amounting
together to only a little less than 2 GBytes.  Can anyone explain this?
Following are their entries extracted from $ ps axuw.

 PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
2656  1.2  5.2 1668576 53708 ?   Sl   12:20   1:26 evolution
2827  0.0  0.2  313216  2804 ?   Sl   12:21   0:00 
/usr/libexec/evolution-data-server-2.24 ...

For an old-line embedded systems programmer, who used to think in terms
of KBytes, this looks a little excessive.

Thanks - jon



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Re: [Evolution] Virtual Memory gone mad

2009-03-10 Thread Patrick O'Callaghan
On Tue, 2009-03-10 at 14:59 -0700, Jonathan Ryshpan wrote:
 Investigating why my computer had suddenly become very s.l.o.w, I
 noticed that virtual memory usage had become very large.  In particular
 the usage by evolution and evolution-data-server look large, amounting
 together to only a little less than 2 GBytes.  Can anyone explain this?
 Following are their entries extracted from $ ps axuw.
 
  PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
 2656  1.2  5.2 1668576 53708 ?   Sl   12:20   1:26 evolution
 2827  0.0  0.2  313216  2804 ?   Sl   12:21   0:00 
 /usr/libexec/evolution-data-server-2.24 ...
 
 For an old-line embedded systems programmer, who used to think in terms
 of KBytes, this looks a little excessive.

The column you should look at is RSS (Resident Set Size). The rest of
the memory is shared libraries. The %MEM column is also illustrative. If
Evo was really occupying 2GB and accounts for 5% of memory, you must
have 40GB on your machine. Impressive :-)

poc

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