madflojo

 # top
 top - 14:31:20 up 35 min, 4 users, load average: 2.25, 1.74, 1.68
 Tasks: 71 total, 1 running, 70 sleeping, 0 stopped, 0 zombie
 Cpu(s): 2.3%us, 1.7%sy, 0.0%ni, 0.0%id, 96.0%wa, 0.0%hi, 0.0%si, 0.0%st
 Mem: 245440k total, 241004k used, 4436k free, 496k buffers
 Swap: 409596k total, 5436k used, 404160k free, 182812k cached

madflojo

$ iostat -x 2 5
 avg-cpu: %user %nice %system %iowait %steal %idle
  3.66 0.00 47.64 48.69 0.00 0.00
 
 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
 sda 44.50 39.27 117.28 29.32 11220.94 13126.70 332.17 65.77 462.79 9.80 2274.71 7.60 111.41
 dm-0 0.00 0.00 83.25 9.95 10515.18 4295.29 317.84 57.01 648.54 16.73 5935.79 11.48 107.02
 dm-1 0.00 0.00 57.07 40.84 228.27 163.35 8.00 93.84 979.61 13.94 2329.08 10.93 107.02

madflojo

# iotop
 Total DISK READ: 8.00 M/s | Total DISK WRITE: 20.36 M/s
  TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND
 15758 be/4 root 7.99 M/s 8.01 M/s 0.00 % 61.97 % bonnie++ -n 0 -u 0 -r 239 -s 478 -f -b -d /tmp

madflojo

 # for x in `seq 1 1 10`; do ps -eo state,pid,cmd | grep "^D"; echo "----"; sleep 5; done
 D 248 [jbd2/dm-0-8]
 D 16528 bonnie++ -n 0 -u 0 -r 239 -s 478 -f -b -d /tmp
 ----
 D 22 [kswapd0]
 D 16528 bonnie++ -n 0 -u 0 -r 239 -s 478 -f -b -d /tmp
 ----
 D 22 [kswapd0]
 D 16528 bonnie++ -n 0 -u 0 -r 239 -s 478 -f -b -d /tmp
 ----

madflojo

# cat /proc/16528/io
 rchar: 48752567
 wchar: 549961789
 syscr: 5967
 syscw: 67138
 read_bytes: 49020928
 write_bytes: 549961728
 cancelled_write_bytes:

madflojo

# lsof -p 16528
 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
 bonnie++ 16528 root cwd DIR 252,0 4096 130597 /tmp
 <truncated>
 bonnie++ 16528 root 8u REG 252,0 501219328 131869 /tmp/Bonnie.16528
 bonnie++ 16528 root 9u REG 252,0 501219328 131869 /tmp/Bonnie.16528
 bonnie++ 16528 root 10u REG 252,0 501219328 131869 /tmp/Bonnie.16528
 bonnie++ 16528 root 11u REG 252,0 501219328 131869 /tmp/Bonnie.16528
 bonnie++ 16528 root 12u REG 252,0 501219328 131869 /tmp/Bonnie.16528

madflojo

# df /tmp
 Filesystem 1K-blocks Used Available Use% Mounted on
 /dev/mapper/workstation-root 7667140 2628608 4653920 37% /

madflojo

# pvdisplay
  --- Physical volume ---
  PV Name /dev/sda5
  VG Name workstation
  PV Size 7.76 GiB / not usable 2.00 MiB
  Allocatable yes
  PE Size 4.00 MiB
  Total PE 1986
  Free PE 8
  Allocated PE 1978

madflojo

func main() {
	// Initiate a simple logger
	log := logrus.New()

	// Setup Config
	cfg := viper.New()

	// Set Default Configs
	cfg.SetDefault("enable_tls", true)
	cfg.SetDefault("listen_addr", "0.0.0.0:8443")

madflojo

func TestRunningServer(t *testing.T) {
	cfg := viper.New()
	cfg.Set("disable_logging", true)
	cfg.Set("listen_addr", "localhost:9000")
	cfg.Set("kvstore_type", "redis")
	cfg.Set("redis_server", "redis:6379")
	cfg.Set("enable_kvstore", true)
	cfg.Set("debug", true)
	cfg.Set("trace", true)
	go func() {