… Platform | Linux Release | Ubuntu 10.04.2 LTS (lucid) Kernel | 2.6.32-31-server Architecture | …difference was still 15% — 909 iops unaligned -vs- 1049 aligned. Random write. This is …benchmark results From this benchmark, I only have two graphs to show you. First one is with RAID…
Post: MySQL 6.0 vs 5.1 in TPC-H queries
… with queries from TPC-H benchmarks, particularly comparing MySQL 6.0.4-alpha with 5.1. MySQL 6.0 is interesting here, as… NULL, `l_comment` varchar(44) NOT NULL, `l_shipmode` char(10) NOT NULL, PRIMARY KEY (`l_orderkey`,`l_linenumber`), KEY `lineitem…. As you see 1285 rkB/s is pretty small for RAID 10 system we have on this server. This is because of…
Post: RAID vs SSD vs FusionIO
In benchmarks passion (see my two previous posts) I managed to setup all three devices (RAID was on board; Intel X25-E… for SSD (note it is single device, in comparison to RAID 10 on 8 disks) and FusionIO are impressive, it is worth… price of IO system, we have RAID 10 – 4.8 TPM / $ SSD – 27 TPM / $ FusionIO – 3.6 TPM / $ Please note that price of…
Post: FusionIO - time for benchmarks
… about FusionIO couple times RAID vs SSD vs FusionIO and Testing FusionIO: strict_sync is too strict…….). By that link you can get card for $6,569.99, which gives us ~40$/GB. There … Now to numbers and benchmarks. All details available here. I used sysbench fileio benchmark for tests (full script …
Post: How much overhead DRDB could cause ?
…about 300 microseconds vs 5000 microseconds and DRBD overhead can be well below 10% The …transaction commit, or could be more than 6 depending on how Filesystem does it job…RAID card or something which has same effect, especially as it become pretty cheap these days. With good RAID as I benchmarked…

