I posted about FusionIO couple times RAID vs SSD vs FusionIO and Testing FusionIO: strict_sync is too strict…. The … threads it is already 0.85ms, and for 16 threads – 1.55ms (which is still very good). And something happens with… we have more than 1 working thread, and we can see only 130MB/sec max throughput. Write bandwidth vs filesize: So there…
Post: How much overhead DRDB could cause ?
June 2, 2008 By 4 Comments
…0 and it is still not fixed in 5.1 to date. So this is the access pattern …re speaking about 300 microseconds vs 5000 microseconds and DRBD overhead can be well below 10% The problem is …have BBU (Battery backed up unit) on your hardware RAID card or something which has same effect, especially as…
Post: Heikki Tuuri Innodb answers - Part I
October 26, 2007 By 19 Comments
…3x performance boost and it would write at 100MBps vs 33MBps. Any plans to enable tuning of the …pool it well may be faster to do 1 write than flush 10 non sequential pages from it which were…commit being broken. Most do not have RAID with BBU. With good RAID with BBU you can get 2000 fsync…
