…question is how does it affect performance. Of course you may expect performance overhead, as in case … Dell PowerEdge R815 Both nodes use Fusion-io cards as storage to minimize IO overhead Software: Percona-Server-…. I think main overhead may coming from writing write sets to disk. Galera 1.0 stores …
Post: RAID throughput on FusionIO
March 24, 2010 By 7 Comments
…, while writes are equal to single disk. This makes me asking if RAID1 mode is really usable, and how it performs on regular hard drives or SSD disks. The performance drop in RAID settings is unexpected. I am working with Fusion-io engineers… read/1666316.29 write/18830.49 write/1618687.97 raid10 n2 read/111612.89 read/1699170.51 write/110634.62 write/1631038.5 Script…
Post: Adaptive flushing in MySQL 5.6
September 4, 2012 By 8 Comments
…box with 150GB buffer pool and with Fusion-io ioDrive 640GB card. InnoDB log file size… that bigger log files, again, improve overall performance, but not stability. With 2x8G logs, … options innodb_read_io_threads = 16 innodb_write_io_threads = 16 innodb_io_capacity = 20000 innodb_max_io_capacity = …
Post: How Percona strives to remain neutral and independent
March 21, 2011 By Leave a Comment
…and validate their PCI-E flash cards, and Fusion-IO sent us free cards to use as we… and objective reporting. However, Percona does the writing, not the vendor. Sometimes vendors suggest wording, …in part, but not perform the full and balanced disclosure that Percona would perform, then that is …
Comment: Virident tachIOn: New player on Flash PCI-E cards market
October 15, 2010 By 19 Comments
The sequential write performance of Fusion-IO is less than 200MB/s? Why so low? The 16KB … and random tests? And the threads of a sequential test write sequentially to different files in an interleaving manner? It seems… guess that is why all the corresponding sequential and random performance are similar to each other. Sometimes the random one is…
Comment: Virident tachIOn: New player on Flash PCI-E cards market
August 26, 2010 By 19 Comments
… both Fusion-io and Virident you still have a single point of failure…screen! Bottom line, sacrificing availability and reliability for simple performance is not an Enterprise solution. Of course you … running these cards for a week under any real write benchmark! Spikes in writes will make you think …
Comment: FlashCache: tpcc workload
April 20, 2011 By 18 Comments
… or flash-drive such as X25E or fusion io drive with FlashCache due to the SSD write performance limitation? Would SSD made of MLC…
