odoucet

#0  zval_mark_grey (pz=0x1419fd0) at /usr/src/build/php/php-5.4.25/Zend/zend_gc.c:388
#1  0x00000000007fdeb5 in zval_mark_grey (pz=0x1419fd0) at /usr/src/build/php/php-5.4.25/Zend/zend_gc.c:432
#2  0x00000000007fedd5 in gc_mark_roots () at /usr/src/build/php/php-5.4.25/Zend/zend_gc.c:501
#3  gc_collect_cycles () at /usr/src/build/php/php-5.4.25/Zend/zend_gc.c:795
#4  0x00000000007ff028 in gc_zobj_possible_root (zv=<optimized out>) at /usr/src/build/php/php-5.4.25/Zend/zend_gc.c:221
#5  0x00000000007ec0a0 in zend_hash_destroy (ht=0x1c63710) at /usr/src/build/php/php-5.4.25/Zend/zend_hash.c:560
#6  0x00000000007ddd9d in _zval_dtor_func (zvalue=0x1c64288) at /usr/src/build/php/php-5.4.25/Zend/zend_variables.c:45
#7  0x00000000007d0dad in _zval_dtor (zvalue=<optimized out>) at /usr/src/build/php/php-5.4.25/Zend/zend_variables.h:35
#8  _zval_ptr_dtor (zval_ptr=0x1c6b0d0) at /usr/src/build/php/php-5.4.25/Zend/zend_execute_API.c:436
#9  0x0000000000801167 in zend_object_std_dtor (object=0x1c13e88) at /usr/src/build/

odoucet

process arc_adapt : 
blocked in status D

/proc/(pidof arc_adapt)/stat : 
1564 (arc_adapt) D 2 0 0 0 -1 2269248 0 0 0 0 0 24533 0 0 0 -20 1 0 911 0 0 18446744073709551615 0 0 0 0 0 0 0 2147483647 0 18446744072101946508 0 0 17 4 0 0 0 0 0 0 0 0 0 0 0 0 0

(no change to this file after 10s sleep so this process seems to have no activity - cannot run "top" to make sure, it hangs)

odoucet

<?php
/***************
 * Extract rule ID from modsecurity log
 * and print TOP hits by rule ID
 *
 * @author github.com/odoucet
 *
 * useful when using mod_security as DETECTION_ONLY mode
 *
 * USAGE : 

odoucet

<?php

$fp = fopen('/etc/named/named.stats', 'r');

$data = array();
$start = false;
$currentHost = '';

while($line = fgets($fp, 1024)) {
        if (strpos($line, 'Per Zone Query Statistics ') !== false) {

odoucet

slabinfo - version: 2.1
# name            <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> : tunables <limit> <batchcount> <sharedfactor> : slabdata <active_slabs> <num_slabs> <sharedavail>
lio_r2t_cache        285    531     64   59    1 : tunables  120   60    8 : slabdata      9      9      0
lio_ooo_cache          0      0     64   59    1 : tunables  120   60    8 : slabdata      0      0      0
lio_dr_cache         325    413     64   59    1 : tunables  120   60    8 : slabdata      7      7      0
lio_qr_cache         996   1120     32  112    1 : tunables  120   60    8 : slabdata     10     10      0
lio_cmd_cache        476    489   1216    3    1 : tunables   24   12    8 : slabdata    163    163    108
t10_alua_tg_pt_gp_mem_cache    124    154     48   77    1 : tunables  120   60    8 : slabdata      2      2      0
t10_alua_tg_pt_gp_cache    124    176    248   16    1 : tunables  120   60    8 : slabdata     11     11      0
t10_alua_lu_gp_mem_cache    124    385     48   77    1

odoucet

global
    chroot /tmp
    daemon
    group users
    user nobody
    pidfile /var/run/haproxy.pid
    log xxx local2 notice
    nbproc 4
    server-state-file /tmp/haproxy_server_state

odoucet

global
    pidfile /tmp/haproxytest.pid

defaults
    # we do web !
    mode http
    option httpchk /c
    option http-keep-alive
    option http-pretend-keepalive

odoucet

<?php
/**
 * Agregate stats per job on a unique file compatible with fio2gnuplot
 **/
if (!$argv[1]) {
	echo "syntax: ".$argv[0]." <prefix-file>\n";
	echo "Example : ".$argv[0]." nametest\n";
}

$tests = array('bw','lat','slat','clat','iops');

odoucet

# NOTE: 
# /dev/zvol/xxxxx/test volume is tested by FIO
# volblocksize          16K
# compression           lz4
# usedbydataset         50.4G
# logbias               latency
# sync                  always

xxxxxxx       sync_read    sync_write    async_read    async_write      scrub
req_size      ind    agg    ind    agg    ind    agg    ind    agg    ind    agg

odoucet

random-read: (g=0): rw=randread, bs=256KiB-256KiB,256KiB-256KiB,256KiB-256KiB, ioengine=libaio, iodepth=256
fio-2.18
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=27.3MiB/s,w=0KiB/s][r=109,w=0 IOPS][eta 00m:00s]
random-read: (groupid=0, jobs=1): err= 0: pid=5216: Mon Nov 20 11:25:52 2017
   read: IOPS=111, BW=27.1MiB/s (29.4MB/s)(1678MiB/60002msec)
    slat (usec): min=937, max=48829, avg=8931.40, stdev=4220.94
    clat (usec): min=6, max=2544.4k, avg=2225904.59, stdev=255594.73
     lat (msec): min=10, max=2560, avg=2234.84, stdev=255.58
    clat percentiles (msec):