mysqlbugs's profile picture. Doing micromanagement of MySQL bugs processing since 2012, for free

Valerii Kravchuk

@mysqlbugs

Doing micromanagement of MySQL bugs processing since 2012, for free

Valerii Kravchuk 已轉發

Database changes should be SCARY - mariadb.org/database-chang…

mariadb_org's tweet image. Database changes should be SCARY - mariadb.org/database-chang…

Had you ever tried to make some sense out of the full backtrace for 1000+ threads in the mysqld process? Try this lame approach first: mysqlentomologist.blogspot.com/2022/02/how-to…

mysqlbugs's tweet image. Had you ever tried to make some sense out of the full backtrace for 1000+ threads in the mysqld process? Try this lame approach first:

mysqlentomologist.blogspot.com/2022/02/how-to…

#bpftrace, #perf and #gdb work well together to solve more complex dynamic tracing problems: mysqlentomologist.blogspot.com/2022/02/how-to… more about this during my #FOSDEM 2022 MariaDB Devroom session tomorrow!

mysqlbugs's tweet image. #bpftrace, #perf and #gdb work well together to solve more complex dynamic tracing problems:

mysqlentomologist.blogspot.com/2022/02/how-to…

more about this during my #FOSDEM 2022 MariaDB Devroom session tomorrow!

Big numbers bring fun. @MySQL #bugoftheday, bugs.mysql.com/bug.php?id=106…, demonstrates yet another example of this fun.


Pushing #bpftrace to the limits, adding probes into every other line of the #MariaDB server code, accessing local variables and members of deeply nested structures passed as arguments... See you at #DOSDEM: fosdem.org/2022/schedule/…


Valerii Kravchuk 已轉發

The second day of @fosdem 2022 @MySQL Devroom will start with @mysqlbugs talking about flame graphs 🔥📊 for #MySQL DBAs 🐬 fosdem.org/2022/schedule/… #mysqldevroom #fosdem2022

lefred's tweet image. The second day of @fosdem 2022 @MySQL Devroom will start with @mysqlbugs talking about flame graphs 🔥📊 for #MySQL DBAs 🐬 fosdem.org/2022/schedule/… #mysqldevroom #fosdem2022

I've built all major versions of #MariaDB server on macOS from GitHub sources. Some details and reasons to do this are presented here: mysqlentomologist.blogspot.com/2022/01/first-… More at #FOSDEM 2022 :)

mysqlbugs's tweet image. I've built all major versions of #MariaDB server on macOS from GitHub sources. Some details and reasons to do this are presented here:

mysqlentomologist.blogspot.com/2022/01/first-…

More at #FOSDEM 2022 :)

I am going to speak about #FlameGraphs again, this time at #FOSDEM 2022. See you in #MySQL and Friends Devroom: fosdem.org/2022/schedule/…


How to define structures for #bpftrace to be able to access deeply nested fields in the arguments of the functions traced (typical for #MariaDB and #MySQL): mysqlentomologist.blogspot.com/2022/01/access…

mysqlbugs's tweet image. How to define structures for #bpftrace to be able to access deeply nested fields in the arguments of the functions traced (typical for #MariaDB and #MySQL):
mysqlentomologist.blogspot.com/2022/01/access…

Easy way to compare two snapshots of waits reported by #MySQL's performance_schema: mysqlentomologist.blogspot.com/2022/01/differ…

mysqlbugs's tweet image. Easy way to compare two snapshots of waits reported by #MySQL's performance_schema:

mysqlentomologist.blogspot.com/2022/01/differ…

More on #flamgraphs, this time to represent the output of #MySQL's EXPLAIN ANALYZE: mysqlentomologist.blogspot.com/2022/01/visual…

mysqlbugs's tweet image. More on #flamgraphs, this time to represent the output of #MySQL's EXPLAIN ANALYZE:

mysqlentomologist.blogspot.com/2022/01/visual…

Valerii Kravchuk 已轉發

we all know enabling threadpool helps but do you know how it affects NUMA scalability. check this article about MariaDB Threadpool and NUMA Scalability.mysqlonarm.github.io/mdb-tpool-and-…

mysqlonarm's tweet image. we all know enabling threadpool helps but do you know how it affects NUMA scalability.
check this article about MariaDB Threadpool and NUMA Scalability.mysqlonarm.github.io/mdb-tpool-and-…

Valerii Kravchuk 已轉發

CfP for @fosdem @MySQL devroom closes in 1 week and 4 days ! It's time to submit a session ! #mysqlandfriends mysqlandfriends.eu/post/fosdem-20…

lefred's tweet image. CfP for  @fosdem @MySQL devroom closes in 1 week and 4 days ! It's time to submit a session ! #mysqlandfriends mysqlandfriends.eu/post/fosdem-20…

Valerii Kravchuk 已轉發

One day to go until the CfP deadline for the MariaDB devroom at #FOSDEM mariadb.org/cfp-for-the-ma…

mariadb_org's tweet image. One day to go until the CfP deadline for the MariaDB devroom at #FOSDEM mariadb.org/cfp-for-the-ma…

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