kranov: (Default)
speed of ctrl cache
# fio -name iops -rw=read -bs=10M -size=500M -iodepth=200 -runtime=100 -directory /mnt -ioengine libaio -direct=1
  read : io=512000KB, bw=6493.6MB/s, iops=649 , runt=    77msec

# fio -name iops -rw=write -bs=10M -size=500M -iodepth=200 -runtime=100 -directory /mnt -ioengine libaio -direct=1
  write: io=512000KB, bw=5154.7MB/s, iops=515 , runt=    97msec

seq read 10G
# fio -name iops -rw=read -bs=256K -size=10G -iodepth=20 -runtime=200 -directory /mnt -ioengine libaio -direct=1
  read : io=10240MB, bw=1041.9MB/s, iops=4167 , runt=  9829msec

seq read 100G
# fio -name iops -rw=read -bs=256K -size=100G -iodepth=20 -runtime=200 -directory /mnt -ioengine libaio -direct=1
  read : io=102400MB, bw=966136KB/s, iops=3773 , runt=108533msec

seq write 10G
# fio -name iops -rw=write -bs=256K -size=10G -iodepth=20 -runtime=200 -directory /mnt -ioengine libaio -direct=1
  write: io=10240MB, bw=1106.5MB/s, iops=4425 , runt=  9255msec

seq write 100G
# fio -name iops -rw=write -bs=256K -size=100G -iodepth=20 -runtime=200 -directory /mnt -ioengine libaio -direct=1
  write: io=102400MB, bw=997.58MB/s, iops=3990 , runt=102650msec


# dd if=/dev/zero of=/mnt/test bs=256K count=100000 oflag=direct
100000+0 records in
100000+0 records out
26214400000 bytes (26 GB) copied, 22,5553 s, 1,2 GB/s

# dd of=/dev/null if=/mnt/test bs=256K count=100000 iflag=direct
100000+0 records in
100000+0 records out
26214400000 bytes (26 GB) copied, 25,5317 s, 1,0 GB/s


Product Name: ProLiant DL380e Gen8
Product ID: 668667-421

# hpacucli ctrl slot=2 show config

Smart Array P420 in Slot 2                (sn: PBKTU0ARH3S1QB)

   array A (SATA, Unused Space: 2649488  MB)


      logicaldrive 1 (1.8 TB, RAID 5, OK)

      physicaldrive 2I:1:1 (port 2I:box 1:bay 1, SATA, 500 GB, OK)
      physicaldrive 2I:1:2 (port 2I:box 1:bay 2, SATA, 500 GB, OK)
      physicaldrive 2I:1:3 (port 2I:box 1:bay 3, SATA, 500 GB, OK)
      physicaldrive 2I:1:4 (port 2I:box 1:bay 4, SATA, 500 GB, OK)
      physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SATA, 500 GB, OK)
      physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SATA, 500 GB, OK)
      physicaldrive 2I:1:7 (port 2I:box 1:bay 7, SATA, 500 GB, OK)
      physicaldrive 2I:1:8 (port 2I:box 1:bay 8, SATA, 500 GB, OK)
      physicaldrive 2I:1:9 (port 2I:box 1:bay 9, SATA, 500 GB, OK)
      physicaldrive 2I:1:10 (port 2I:box 1:bay 10, SATA, 500 GB, OK)

kranov: (Default)
select a,b from table(multiset{row(1,2)}) as t1(a,b)
Union 
select a,decode(1,2,3) from table(multiset{row(1)}) as t1(a);

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kranov: (Default)
kranov

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