finding the cause and setting an alert would certainly help anticipate.
This data is collected each minute automatically, at a cost of less than
.1% of one ifl per server, at process and system level. There are more
metrics, this is a sample
Report: ESALNXP LINUX Velocity Software Corporate ZMAP 4.2.0 02/
Monitor initialized: 02/27/ First record analyzed: 02/27/15 19:00:00
----------------------------------------------------------------------------
node/ <-Process Ident-> <---------------Storage Metrics (MB)---------->
Name ID PPID GRP Size RSS Peak Swap Data Stk EXEC Lib Lck PTbl
--------- ----- ----- ----- ---- ---- ---- ---- ---- ---- ---- --- --- ----
02/27/15
19:01:00
oracle 0 0 0 7375 980 7212 0 174 4.9 1839 478 0 8.98
init 1 1 0 1 0 0.8 0 0.14 0.1 0.6 0 0 0.01
perl 2140 1 2140 9 6 9.0 0 4.06 0.1 1.4 2.2 0 0.03
snmpd 22809 1 22808 35 9 34.7 0 3.50 0.1 0.0 29 0 0.05
and at system level:
Report: ESALNXR LINUX RAM/Storage Analysis Report
Velocity Sof
Monitor initialized: 02/27/15 at 19:00:00 on 2828 serial 314C7 First
record
-------------------------------------------------------------------------------
Node/ <--------Memory in megabytes-------------> <-Kernel(MB)->
<-Buffers(MB
<---Cache----><---Anonymous---> Stack<-Slab-->
Time Total Free Size Actv Swap Total Actv Inact Size Size SRec Size
Dirty B
-------- ----- ---- ---- ---- ---- ----- ---- ----- ---- ---- ---- ----
----- -
02/27/15
19:01:00
oracle 994.8 13.7 550 0 0.8 115.6 0 0 0 38.4 0
251 0.2
-------------------------------------------------------------------------------
19:02:00
oracle 994.8 13.7 550 0 0.8 115.6 0 0 0 38.3 0
251 0.0
On 7/9/2015 9:31 AM, Michael MacIsaac wrote:
Barton,
It reports on the /proc/buddyinfo values and anticipates vmcp failing?
On Thu, Jul 9, 2015 at 12:26 PM, Barton Robinson <
[email protected]> wrote:
And a good performance monitor would already have this reported - down
to the process level.
On 7/9/2015 9:06 AM, Michael MacIsaac wrote:
Let me answer my own question. Perhaps kludgy, but by adding 'tee' to
sudo, this technique works:
root@lab141:~ # visudo
root@lab141:~ # tail -1 /etc/sudoers
%zoom ALL=NOPASSWD:/usr/bin/tee
root@lab141:~ # su - mike
mike@lab141:~ # free -m
total used free shared buffers cached
Mem: 491 473 18 0 111 170
-/+ buffers/cache: 190 300
Swap: 512 0 511
mike@lab141:~ # echo 3 | sudo /usr/bin/tee /proc/sys/vm/drop_caches >
/dev/null
mike@lab141:~ # free -m
total used free shared buffers cached
Mem: 491 103 388 0 1 12
-/+ buffers/cache: 89 401
Swap: 512 0 511
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