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10 Newer Entries Showing entries 31 to 40 of 54 10 Older Entries

Displaying posts with tag: Hardware and Storage (reset)

Diamond Keynote Panel, BOFs, Lightning Talks, and McAfee and AOL Sponsorships
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I’m excited by all of the recent developments surrounding the Percona Live MySQL Conference and Expo! Our own Baron Schwartz will moderate the Diamond Keynote Panel entitled “Future Perfect: The Road Ahead for MySQL” which will feature a panel of MySQL industry leaders, including: Sundar Raghavan, director product management at Amazon; Paul Mikesell, CEO of Clustrix; a representative from HP; and, a representative from …

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BOFs and Lightning Talks Announced for Percona Live MySQL Conference & Expo
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The Percona Live MySQL Conference & Expo is going to be awesome! Great speakers, an A-list of sponsors, countless opportunities to engage with the community, and an enthusiastic crowd of MySQL users ensure this is going to be a great event. The conference features 72 breakout sessions, keynotes by leading industry luminaries, an optional day of 16 tutorial sessions, a bustling exhibit hall, and numerous opportunities to connect with other community members.

I am pleased to announce the conference …

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Percona Server vs MySQL on Intel 320 SSD
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If you are terrified by the stability of the results in MySQL in my previous post, I am going to show what we can get with Percona Server. This is also to address the results presented there Benchmarking MariaDB-5.3.4

The initial benchmark is described in Benchmarks of Intel 320 SSD 600GB, and the result for MySQL 5.5.20 in …

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Benchmarks of Intel 320 SSD 600GB
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I have a chance to test a system with Intel 320 SSD drives (NewRelic provided me with an access to the server), and compare performance with SAS hard drives.

System specification

  • Dell PowerEdge R610
  • Memory: 48GB
  • CPU: Intel(R) Xeon(R) CPU X5650
  • RAID controller: Perc H800
  • RAID configuration: RAID 5 over 11 disks + 1 hot spare. RAID 5 is chosen for space purposes. In this configuration using 600GB disk, we can get 5.5T of useful space
  • Intel drives: Intel 320 SSD 600GB
  • HDD drives: Seagate Cheetah …

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Is your MySQL Application having Busy IO by Oracle Measures ?
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Preparing Choosing Storage Systems for MySQL talk for Percona Live in Washington,DC I ran into great paper called Sane SAN 2010 by James Morle from Scale Abilities – and Oracle consulting company. It is worth to read for variety of reason yet for this post I wanted to …

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Virident FlashMAX MLC in tpcc-mysql workload
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As I mentioned in previous post on Virident FlashMAX MLC, beside sysbench benchmark, I also run tpcc-mysql (to compare performance Virident FlashMAX vs Fusion-io ioDrive Duo)

The report with results is there: http://www.percona.com/files/white-papers/virident-mlc-tpcc.pdf

The graphical result for tpcc-mysql 5000W:

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MLC SSD card lifetime and write amplification
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As MLC-based SSD cards are raising popularity, there is also a raising concern how long it can survive. As we know, a MLC NAND module can handle 5,000-10,000 erasing cycles, after which it gets unusable. And obviously the SSD card based on MLC NAND has a limited lifetime. There is a lot of misconceptions and misunderstanding on how long such card can last, so I want to show some calculation to shed a light on this question.

For base I will take Virident FlashMAX M1400 (1.4TB) card. Virident guarantees 15PB (PB as in petabytes) of writes on this card.
15PB sounds impressive, but how …


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Review of Virident FlashMAX MLC cards
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I have been following Virident for a long time (e.g. http://www.mysqlperformanceblog.com/2010/06/15/virident-tachion-new-player-on-flash-pci-e-cards-market/). They have great PCIe Flash cards based on SLC NAND.
I always thought that Virident needed to come up with an MLC card, and I am happy to see they have finally done so.

At Virident’s request, I performed an evaluation of their MLC card to assess how it handles MySQL workload. As I am very …


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Clustrix benchmarks under tpcc-mysql workload
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I’ve been working with Clustrix team for long time on the evaluation of Clustrix product, and this is the report on performance characteristics of Clustrix under tpcc-mysql workload.

I tested tpcc 5000W (~500GB of data in InnoDB) on Clustrix systems with 3, 6, 9-nodes and also, to have base for comparison, ran the same workload on HP ProLiant DL380 G6 powered by Fusion-io card, and on SuperMicro server powered by 7 Intel SSD 320 cards (this server is equal to hardware that Clustrix uses for its nodes).

The full report is …


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Intel 320 SSD write performance – contd.
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I wrote about Intel 320 SSD write performance before, but I was not satisfied with these results.

Somewhat each time on Intel 320 SSD I was getting different write performance, so it made me looking into this with details.

So let’s run experiment as in previous post, this is sysbench fileio random write on different file size, from 10GiB to 140GiB with 10GiB step. I use ext4 filesystem, and I perform filesystem format before increasing filesize.

The results are pretty much as in …



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10 Newer Entries Showing entries 31 to 40 of 54 10 Older Entries

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