Showing posts with label scalability. Show all posts
Showing posts with label scalability. Show all posts
Monday, May 27, 2024

875X improvement from RonDB 21.04.17 to 22.10.4

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At Hopsworks we are working on ensuring that the online feature store will be able to perform complex join operations in real-time. This mea...
Thursday, October 26, 2023

Results on comparing new Intel/AMD VMs with older VM types using RonDB

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 In Hopsworks cloud offering for GCP one can select a fairly large variety of VM types. I am currently working on extending this list to al...
Thursday, March 23, 2023

Laptop vs Desktop for RonDB development

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 Most developers today use laptops for all development work. For the last 15 years I have considered desktops and laptops to be very similar...
Thursday, July 29, 2021

New RonDB releases

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It is in the middle of the summer, but we found some time to prepare a new RonDB release. Today we are proud to release new RonDB versions. ...
Thursday, December 03, 2009

New threadpool design

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In MySQL 6.0 a threadpool design was implemented based on libevents and mutexes. This design unfortunately had a number of deficiences: 1) T...
Tuesday, May 19, 2009

Patches ready for buf page hash split shootout

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Today I created a patch that builds on the Google v3 patch where I added some ideas of my own and some ideas from the Percona patches. The p...
3 comments:

Analysis of split flush list from buffer pool

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In the Google v3 patch the buffer pool mutex have been split into an array of buffer page hash mutexes and a buffer flush list mutex and the...
Friday, May 15, 2009

Shootout of split page hash from InnoDB buffer pool mutex

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One of the hot mutexes in InnoDB is the buffer pool mutex. Among other things this mutex protects the page hash where pages reside when they...
Thursday, May 14, 2009

More analysis of InnoDB Thread Concurrency

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When I worked with Dimitri on the analysis of the Split Rollback Segment Mutex he came up with numbers on InnoDB Thread Concurrency set to ...
2 comments:

Analysis of Split of Rollback Segment Mutex

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When I read the blog about Split Rollback Segment Mutex , I was interested to verify those results in the context of MySQL 5.4.0. The patch...
3 comments:
Wednesday, May 13, 2009

More data on InnoDB Thread Concurrency

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Here is the performance graph comparing using InnoDB Thread Concurrency equal to 0 and InnoDB Thread Concurrency equal to 24 using sysbench ...

Analysis of Google patches on 4,8 and 12 cores

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One of the goals we had originally with the MySQL 5.4 development was to improve scaling from 4 cores to 8 cores. So in my early testing I r...
Wednesday, April 22, 2009

MySQL 5.4 Patches: Improvements to spin-loop

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In InnoDB there is an implementation of both mutexes and RW-locks. The RW-locks implementation have been improved by the Google SMP patches....
Wednesday, December 03, 2008

LOCK_open, THE mutex :)

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In all my days at working at MySQL the LOCK_open mutex have always been a key mutex to understand, now that I'm working on scalability i...
8 comments: