[root@host_name 0]# iostat -x
Linux 2.6.32-642.3.1.el6.x86_64 (host_name) 01/03/2017 _x86_64_ (48 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
11.53 0.00 1.50 2.06 0.00 84.91
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.88 0.52 2.23 0.60 110.99 8.93 42.46 0.01 1.84 2.18 0.60 1.13 0.32
sdb 0.14 3069.91 677.83 655.21 53391.54 29800.99 62.41 0.13 0.10 0.23 0.41 0.15 19.68
sdd 0.20 2960.10 666.37 632.83 51776.28 28743.42 61.98 0.25 0.19 0.05 0.33 0.15 19.10
sdc 0.13 3039.15 678.06 654.51 53443.58 29549.28 62.28 0.05 0.04 0.16 0.36 0.15 19.49
I got merge throttle error again:
[2017-01-03 12:12:45,741][INFO ][index.engine ] [host_name] [Index2][1] now throttling indexing: numMergesInFlight=10, maxNumMerges=9
[2017-01-03 12:12:45,750][INFO ][index.engine ] [host_name] [Index2][1] stop throttling indexing: numMergesInFlight=8, maxNumMerges=9