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Displaying posts with tag: POWER8 (reset)

Performance impact of MySQL query cache on modern hardware
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Recently, Morgan has been writing on deprecating some MySQL features and inspired by that while working on MySQL on POWER, I wondered “What is the impact of the MySQL query cache on modern hardware?”

We’ve known for over six years (since before we started Drizzle) that the query cache hurt performance. It was for that reason that the query cache was one of the early things to be removed from Drizzle, it just didn’t scale on multi

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1 million SQL Queries Per Second: MySQL 5.7 on POWER8
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I’ve previously covered MySQL 5.6 on POWER (with patch), MySQL 5.6 Performance on POWER8 (spoiler: new performance record) and MySQL 5.7 on POWER.

Of course, The postings on this site are my own and don’t necessarily represent IBM’s positions, strategies or opinions. Also, these numbers should be considered preliminary, but trust me – I did get them and it’s not April 1st.

From my

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MySQL 5.7 on POWER
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In a previous post, I covered porting MySQL 5.6 to POWER and subsequently, some new record performance numbers with MySQL 5.6.17 on POWER8.

Well, those following at home will be aware that not only is the next sentence sponsored by IBM Legal, but that MySQL 5.7 alleviates a bunch of the mutex contention that we saw with MySQL 5.6. The postings on this site are my own and don’t necessarily represent IBM’s positions, strategies or opinions.

In looking at MySQL performance on POWER, it’s inevitable that I should look at MySQL 5.7 and what’s coming up in the next stable release of MySQL.

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MySQL 5.6 Performance on POWER8
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The following sentence is brought to you by IBM Legal: The postings on this site are my own and don’t necessarily represent IBM’s positions, strategies or opinions.

My previous post covered the work needed to get MySQL 5.6.17 running reliably on modern POWER systems. The patch to MySQL 5.6.17 that’s needed is available here.

For those who don’t know, POWER8 is the latest Power Architecture processors from IBM (my employer). These chips will be

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Showing entries 1 to 4

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