Hello,
i have a problem with memory management and i coulndt find a solution
doing web-research, so perhaps someone on the list can point me to a
document or give me another answer.
first, this is my system configuration:
linux kernel 2.4.19 with high-memory enabled because i put 2 GB Ram.
128 MB Swap Partition and a 250 MB Swap File.
The Problem appears with the mysql database server. here is the error
message:
Can't create a new thread (errno 11). If you are not out of available
memory, you
can consult the manual for a possible OS-dependent bug
and this is what cat /proc/meminfo shows while the system runs regulary:
MemTotal: 2069560 kB
MemFree: 24576 kB
MemShared: 0 kB
Buffers: 80808 kB
Cached: 1271288 kB
SwapCached: 1924 kB
Active: 737160 kB
Inactive: 861112 kB
HighTotal: 1179584 kB
HighFree: 2044 kB
LowTotal: 889976 kB
LowFree: 22532 kB
SwapTotal: 384476 kB
SwapFree: 379248 kB
Memfree is at 24 MB but i caught a meminfo when it was about 4 or 6 MB.
i am worried about the high "Cached" value. Could someone tell me if the
cached
content is to be considered as "reserved" and will not be used by programms
requesting
more memory ?
my general questions are:
1) how can i control the memory ? where can i tell the system how much
memory should be
used to cache stuff ? perhaps i can solve the problem this way.
2) what else does the kernel do when a programm spawns a new thread ? if
memory is
not the problem, what else could go wrong when creating a thread ?
If you need something else, like a memstat output, please let me know.
Thank you very much,
Philipp
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