… discuss here is Tokyo Cabinet and Tyrant. I am not going to give you a primer or Tutorial on Tyrant and Cabinet, there…. Again my goal is to not make this a Tokyo Tyrant tutorial but rather show one potential role it can play… the appropriate place for storing data. A tool like Tokyo Tyrant may not be for everyone or every application, but neither…
Post: Tokyo Tyrant - The Extras Part I : Is it Durable?
November 10, 2009 By 5 Comments
… into some of the deficiencies and strengths of Tokyo Tyrant. #1. How durable is Tokyo Tyrant? Well I went ahead and built a… Which means the meat of the sync command coming from tyrant is tchdbmemsync. /* Synchronize updating contents on memory of a hash… addr and continuing for len bytes.†Basically in the Tokyo Tyrant context msync will flush all the changes to a memory…
Post: Tokyo Tyrant - The Extras Part II : The Performance Wall
November 11, 2009 By 3 Comments
Continuing my look at Tokyo Tyrant/Cabinet and addressing some of the concerns I have seen … difficult things to test with Tyrant is disk bound performance. The FS Cache can make Tyrant seem like small amounts of… really write to disk not the FS Cache. Now Tyrant starts to take on the same characteristics as your classic…
Post: MySQL-Memcached or NOSQL Tokyo Tyrant - part 2
October 16, 2009 By 8 Comments
… need to start somewhere, so I decided to start with Tokyo Tyrant and Cabinet.   So stop in next time… where we will focus on running the same tests against Tokyo Tyrant. Wow that’s shockingly fast isn’t it! I guess… need to start somewhere, so I decided to start with Tokyo Tyrant and Cabinet.
Post: MySQL-Memcached or NOSQL Tokyo Tyrant - part 1
October 15, 2009 By 16 Comments
… to using MySQL + Memcached, and then to other solutions like Tokyo Tyrant or Cassandra.  My Application does the following: A… environment. Part 3 will focus on these same benchmarks in Tokyo tyrant. All to often people force themselves into using a database… to using MySQL + Memcached, and then to other solutions like Tokyo Tyrant or Cassandra. My Application does the following: A.) read a…
Post: Tokyo Tyrant -The Extras Part III : Write Bottleneck
November 12, 2009 By 3 Comments
… of my Tyrant extra’s, part 1 focused on durability, part 2 focused on the perceived performance wall. #3. Tokyo Cabinet… using Tokyo Cabinet only one connection can be opened as a “writerâ€Â while the rest are readers. Tyrant allows… If you run several threads all just inserting into Tyrant your will see tyrant hit 100% Cpu on 1 core, and your…
Comment: MySQL-Memcached or NOSQL Tokyo Tyrant - part 3
October 19, 2009 By 25 Comments
Great article! It would be interesting to see how Memcached compares to an in memory Tokyo Tyrant hash. For persistence the in memory Tokyo Tyrant instance can replicate to a disk based tyrant hash on another server. Can you post the ttserver arguments you started Tokyo Tyrant with?
Comment: MySQL-Memcached or NOSQL Tokyo Tyrant - part 2
October 16, 2009 By 8 Comments
… memory footprint in MySQL -vs- the same memory footprint in Tokyo Tyrant ( Tyrant only had 256M allocated to it as well )… but memcached…
Comment: MySQL-Memcached or NOSQL Tokyo Tyrant - part 3
October 19, 2009 By 25 Comments
… my App is using well over 50G. The performance of Tokyo tyrant / and other variants that ur testing could be useful for…
Comment: MySQL-Memcached or NOSQL Tokyo Tyrant - part 1
October 16, 2009 By 16 Comments
… ever need to grow off of a replicated pair of tokyo tyrant servers? Or does it have a data repartitioning feature I…
