ethereum/ethereumj

I don't think the IO speed is bad. Here is an indication (taken while geth is also still running):

ramaaz31 opened this issue · 2 comments

I don't think the IO speed is bad. Here is an indication (taken while geth is also still running):

fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite
=randrw --rwmixread=75 --directory=<redacted> --aux-path=<redacted>
test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.27
Starting 1 process
Jobs: 1 (f=1): [m(1)][100.0%][r=136MiB/s,w=45.2MiB/s][r=34.9k,w=11.6k IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=450154: Fri Jul 16 12:37:52 2021
  read: IOPS=37.9k, BW=148MiB/s (155MB/s)(3070MiB/20719msec)
   bw (  KiB/s): min=90808, max=196112, per=100.00%, avg=151902.44, stdev=24036.61, samples=41
   iops        : min=22702, max=49028, avg=37975.61, stdev=6009.16, samples=41
  write: IOPS=12.7k, BW=49.5MiB/s (51.9MB/s)(1026MiB/20719msec); 0 zone resets
   bw (  KiB/s): min=30840, max=66952, per=100.00%, avg=50762.73, stdev=8052.88, samples=41
   iops        : min= 7710, max=16738, avg=12690.68, stdev=2013.22, samples=41
  cpu          : usr=8.53%, sys=45.38%, ctx=105093, majf=0, minf=8
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
     issued rwts: total=785920,262656,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: bw=148MiB/s (155MB/s), 148MiB/s-148MiB/s (155MB/s-155MB/s), io=3070MiB (3219MB), run=20719-20719msec
  WRITE: bw=49.5MiB/s (51.9MB/s), 49.5MiB/s-49.5MiB/s (51.9MB/s-51.9MB/s), io=1026MiB (1076MB), run=20719-20719msec

Disk stats (read/write):
  sda: ios=783034/261889, merge=32/32, ticks=870354/151608, in_queue=1021965, util=99.63%

Originally posted by @xrchz in ethereum/go-ethereum#23191 (comment)

Duplicate of #

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