As a first step, We can aim for
1) printing service names (as strings) instead of service ids
2) printing process(binary) names along with pid
3) Instead of adest/vdest address, print the service name(as strings) or the
process name
---
** [tickets:#520] Mds: Tune MDS logging to minimal & informative **
**Status:** accepted
**Milestone:** 4.5.FC
**Created:** Thu Jul 25, 2013 01:19 PM UTC by hano
**Last Updated:** Fri Jun 20, 2014 06:47 AM UTC
**Owner:** A V Mahesh (AVM)
Minimize the MDS logging to only in case of required so that it can not
reach 1 Mb of log rotation range/size sooner .
amfnd core dump is produced when amfnd main thread (10720) is waiting for a
pthread mutex, gl_mds_library_mutex, which is held by the mds thread (10723).
The amf watchdog detects this (no healthchecks received) and sends an abort
signal to the amfnd. Holding a mutex during file operations in MDS is not
correct and should be corrected. (HR50165)
#0 0x00007f7830d70294 in __lll_lock_wait () from /lib64/libpthread.so.0
(gdb) p gl_mds_library_mutex
$1 = {__data = {__lock = 2, __count = 1, __owner = 10723, __nusers = 1, __kind
= 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}},
__size = " ã ) ", ' ' <repeats 22 times>, __align = 4294967298}
(gdb) info thr
Id Target Id Frame
4 Thread 0x7f7832263b00 (LWP 10723) 0x00007f783083e20d in write () from
/lib64/libc.so.6
3 Thread 0x7f7832283b00 (LWP 10722) 0x00007f7830844f53 in select () from
/lib64/libc.so.6
2 Thread 0x7f7832243b00 (LWP 10724) 0x00007f7830d7076d in read () from
/lib64/libpthread.so.0
* 1 Thread 0x7f7832286700 (LWP 10720) 0x00007f7830d70294 in __lll_lock_wait
() from /lib64/libpthread.so.0
---
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