Я запускаю скрипт scylla_io_setup внутри docker контейнера, я смонтировал каталог / var / lib / scylla / data в 1 ТБ xfs sdd. scylla_io_setup не показывает рекомендуемый параметр --max-io-reports в выходных данных. Ниже приводится вывод сценария.
[root@ip /]# ./usr/lib/scylla/scylla_io_setup
tuning /sys/devices/virtual/block/dm-4
tuning: /sys/devices/virtual/block/dm-4/queue/nomerges 2
warning: unable to tune /sys/devices/virtual/block/dm-4/queue/nomerges to 2
tuning /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/host0/target0:2:4/0:2:4:0/block/sde
tuning: /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/host0/target0:2:4/0:2:4:0/block/sde/queue/nomerges 2
warning: unable to tune /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/host0/target0:2:4/0:2:4:0/block/sde/queue/nomerges to 2
tuning /sys/devices/virtual/block/dm-4
tuning /sys/devices/virtual/block/dm-4
tuning /sys/devices/virtual/block/dm-4
tuning /sys/devices/virtual/block/dm-4
WARNING: unable to mbind shard memory; performance may suffer:
WARN 2020-01-29 10:26:47,892 [shard 0] seastar - Unable to set SCHED_FIFO scheduling policy for timer thread; latency impact possible. Try adding CAP_SYS_NICE
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
WARNING: unable to mbind shard memory; performance may suffer:
INFO 2020-01-29 10:26:48,161 [shard 0] iotune - /var/lib/scylla/saved_caches passed sanity checks
WARN 2020-01-29 10:26:48,161 [shard 0] iotune - Scheduler for /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/host0/target0:2:4/0:2:4:0/block/sde/queue/scheduler set to deadline. It is recommend to set it to noop before evaluation so as not to skew the results.
WARN 2020-01-29 10:26:48,161 [shard 0] iotune - nomerges for /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/host0/target0:2:4/0:2:4:0/block/sde/queue/nomerges set to 0. It is recommend to set it to 2 before evaluation so that merges are disabled. Results can be skewed otherwise.
Starting Evaluation. This may take a while...
Measuring sequential write bandwidth: 188 MB/s
Measuring sequential read bandwidth: 424 MB/s
Measuring random write IOPS: 23843 IOPS
Measuring random read IOPS: 66322 IOPS
Writing result to /etc/scylla.d/io_properties.yaml
Writing result to /etc/scylla.d/io.conf