fbtracemgr loads CPU up to ~55% after any query in isql is finished
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Key: CORE-3770
URL: http://tracker.firebirdsql.org/browse/CORE-3770
Project: Firebird Core
Issue Type: Bug
Affects Versions: 2.5.1
Reporter: Pavel Zotov
LI-V2.5.1.26308
when fbtracemgr is launched (w/o any output of watching info) it loads CPU up
to 52-57%
First rows of of `top` in my case:
-bash-4.1$ top
top - 00:15:19 up 25 days, 10:55, 6 users, load average: 2.68, 1.83, 0.90
Tasks: 388 total, 1 running, 387 sleeping, 0 stopped, 0 zombie
Cpu(s): 10.8%us, 5.5%sy, 0.0%ni, 79.3%id, 4.0%wa, 0.0%hi, 0.4%si, 0.0%st
Mem: 16467720k total, 16377168k used, 90552k free, 4028k buffers
Swap: 16383992k total, 343412k used, 16040580k free, 13045100k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
30122 root 20 0 192m 36m 20m S 70.0 0.2 5:01.46 fb_inet_server
30434 firebird 20 0 153m 8352 6144 S 52.7 0.1 0:18.32 fbtracemgr
27616 root 20 0 262m 38m 21m S 1.0 0.2 0:05.05 fb_inet_server
30950 root 20 0 230m 72m 23m S 0.7 0.5 5:46.64 fb_inet_server
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[firebird@firebird firebird]$ uname -a
Linux firebird 2.6.33.3-85.fc13.x86_64 #1 SMP Thu May 6 18:09:49 UTC 2010
x86_64 x86_64 x86_64 GNU/Linux
[firebird@firebird firebird]$ ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 128524
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 65536
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 16384
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
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