Re: [Maria-discuss] Troubleshooting Statement That Crashes MariaDB (mysqld got signal 11)

2021-11-04 Thread Michael Caplan
are you on, and does it have ECC memory? On Thu, Nov 4, 2021 at 7:48 PM Michael Caplan wrote: Hello, I have a nothing fancy SQL statement that crashes MariaDB 10.3.31. The error log reports "mysqld got signal 11" with the below included mini core dump. The statement caused no issues wit

[Maria-discuss] Troubleshooting Statement That Crashes MariaDB (mysqld got signal 11)

2021-11-04 Thread Michael Caplan
Hello, I have a nothing fancy SQL statement that crashes MariaDB 10.3.31.  The error log reports "mysqld got signal 11" with the below included mini core dump. The statement caused no issues with my prior install of 10.2.xx. With 10.3, the statement runs the majority of the time.  The vast

Re: [Maria-discuss] Issues with Upgrading from MariaDB 10.2.22 to 10.5.12

2021-08-25 Thread Michael Caplan
in an upgrade is supported. So you need to upgrade 10.2 to 10.3 to 10.4 to 10.5, with any additional caveats for specific version upgrades (e.g. InnoDB log format change during 10.2). On Wed, 25 Aug 2021, 15:00 Michael Caplan, <mailto:mich...@eggplant.ws>> wrote: Hi there.

[Maria-discuss] Issues with Upgrading from MariaDB 10.2.22 to 10.5.12

2021-08-25 Thread Michael Caplan
Hi there. I'm going through an upgrade process I have done before with earlier versions of mariaDB and Mysql, but running into an issue. My goal is to create a new slave including upgrade process from MariaDB 10.2.22 (serverOld) to 10.5.12 on a new server (serverNew) (as inspired by the

[Maria-discuss] Data At Rest Encryption Overhead

2020-05-08 Thread Michael Caplan
Hello, I'm working on a plan to roll out MariaDB per table data at rest encryption.  Reading through the docs (https://mariadb.com/kb/en/data-at-rest-encryption-overview/), I understand that "Using encryption has an overhead of roughly 3-5%." I'd like to know what this 3-4% refers to.  I am

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2019-03-13 Thread Michael Caplan
some infinite loop Oh boy! On 2019-03-08 10:44 p.m., Michael Caplan wrote: Hi Marko, Hope it is okay to resurrect this thread.  Restart times where great with 10.2.14, until I recently enabled FTS on thousands of tables.  Shutdown and startup both take over an hour.  This, coupled

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2019-03-08 Thread Michael Caplan
Hi Marko, Hope it is okay to resurrect this thread.  Restart times where great with 10.2.14, until I recently enabled FTS on thousands of tables.  Shutdown and startup both take over an hour.  This, coupled with MariaDB eating up far greater sums of allocated memory in my.cnf, I need to

Re: [Maria-discuss] Chewing Through Swap - Swappiness = 0

2019-03-08 Thread Michael Caplan
your issue. Hope that helps GL Le mer. 20 juin 2018 à 14:48, Michael Caplan <mailto:mich...@eggplant.ws>> a écrit : Just a little follow up on this issue. Reducing my innodb-buffer-pool-size (by 10GB) has reduced the amount of time before swap gets chomped on.  But not e

Re: [Maria-discuss] Chewing Through Swap - Swappiness = 0

2018-06-20 Thread Michael Caplan
15 juin 2018 à 16:53, Michael Caplan <mailto:mich...@eggplant.ws>> a écrit : If I'm reading the output correct mysql is currently using 35.8 %MEM, 67GB VSZ, and 23.6GB RSS Not sure how virtual memory size is calculated, but that seems big I'll try dropping my inno

Re: [Maria-discuss] Chewing Through Swap - Swappiness = 0

2018-06-15 Thread Michael Caplan
Lefranc wrote: Rhys.Campbell, 0 means off since kernel version 3.5. See reference here: https://community.hortonworks.com/questions/71095/why-not-set-swappiness-to-zero.html That's why most people use 1 (safe value) Michael Caplan: please look at the size of your mysqld process in "ps aux&quo

Re: [Maria-discuss] Chewing Through Swap - Swappiness = 0

2018-06-15 Thread Michael Caplan
--Original Message- From: Maria-discuss [mailto:maria-discuss-bounces+rhys.campbell=swisscom@lists.launchpad.net] On Behalf Of Michael Caplan Sent: 15 June 2018 14:48 To: Maria Discuss Subject: [Maria-discuss] Chewing Through Swap - Swappiness = 0 Hi, I'm trying to figure out why my re

[Maria-discuss] Chewing Through Swap - Swappiness = 0

2018-06-15 Thread Michael Caplan
Hi, I'm trying to figure out why my recently put into production MariaDB is so swap hungry. I'm running 10.2.14, with roughly 300GB data (1000K +/- tables). 95% tables are innodb.  I have 64GB RAM, with INNODB buffer pool size set to 50GB (full my.cnf below).  The OS is Ubuntu 16.04.4. This

Re: [Maria-discuss] Chewing Through Swap - Swappiness = 0

2018-06-15 Thread Michael Caplan
he Twitter fork that was absorbed by the now removed XtraDB. Thanks, Mike On 2018-06-15 08:24 AM, Michael Caplan wrote: Hi, I'm trying to figure out why my recently put into production MariaDB is so swap hungry. I'm running 10.2.14, with roughly 300GB data (1000K +/- tables). 95% tables

[Maria-discuss] MDEV-15765 BETWEEN not working in certain cases

2018-04-08 Thread Michael Caplan
Hello, I've just stalled a rollout to production of 10.2.14 because of this what I think is rather huge SQL break (https://jira.mariadb.org/browse/MDEV-15765).  Anyone else holding 10.2.14 from production?  Anyone running 10.2.14 in production? Trying to get some additional perspective on

Re: [Maria-discuss] Replication New to Old

2018-04-08 Thread Michael Caplan
Thanks everyone for the feedback.  In sum, not worth the risk. :) Mike On 2018-04-06 03:54 AM, andrei.el...@pp.inet.fi wrote: Kristian, andrei.el...@pp.inet.fi writes: Mike, Hello, I realize that in general replication from a newer master to an older slave is typically not

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-16 Thread Michael Caplan
Marko, Thank you again for such a clear explanation of your reasoning! Should you be able to pass along a defect ID that I can follow, I'll follow that and wait for the next release to test things out. Best, Mike On 2018-01-16 01:48 PM, Marko Mäkelä wrote: Hi Mike, Sorry, I was busy

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-16 Thread Michael Caplan
next steps? Thanks, Mike On 2018-01-12 08:42 PM, Michael Caplan wrote: Hi Marko, Not sure how I missed your reply.  Sorry for the delayed response. To give you a complete picture, this fresh install of MariaDB was populated with data copied from MySQL 5.6.  The data was copied via rsy

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-16 Thread Michael Caplan
nks, Mike On 2018-01-12 08:42 PM, Michael Caplan wrote: Hi Marko, Not sure how I missed your reply.  Sorry for the delayed response. To give you a complete picture, this fresh install of MariaDB was populated with data copied from MySQL 5.6.  The data was copied via rsy

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-12 Thread Michael Caplan
quot;mariabackup --prepare" and "mariabackup --copy-back" in order to apply the redo log before starting up the server on the copied files. And while you are at it, you could also use "mariabackup --backup" and skip the file system snapshot. Best regards, Marko On Tue, Jan

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-08 Thread Michael Caplan
Here you go! Thanks, Mike On 2018-01-08 12:38 PM, Marko Mäkelä wrote: Hi Michael, OK, all the interesting functions (InnoDB functions) are displayed as ??. In the "perf top" it would have helped to drill into the mysqld executable, and only show its top functions. Apparently a lot of

Re: [Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-08 Thread Michael Caplan
else running 10.2 with a large number of tables? Thanks, Mike On 2018-01-08 09:06 AM, Michael Caplan wrote: Hi, I'm setting up a replication slave based off of MySQL 5.6. There are a large number of tables (400K).  The MySQL 5.6 master takes around 10 minutes to start up, where the new

[Maria-discuss] MariaDB-10.2.11 Long Time To Start

2018-01-08 Thread Michael Caplan
Hi, I'm setting up a replication slave based off of MySQL 5.6.  There are a large number of tables (400K).  The MySQL 5.6 master takes around 10 minutes to start up, where the new MariaDB 10.2 slave takes close to 30 minutes.  What is making the startup take soo long? In the below mysql

Re: [Maria-discuss] Replication Upgrade Strategy MySQL 5.6 to MariaDB 10.2

2017-12-29 Thread Michael Caplan
Thanks for the feedback. With the slave being set up on a new version from the master, do you see any issue with this? Best, Mike On 2017-12-29 11:51 AM, Reindl Harald wrote: Am 29.12.2017 um 16:45 schrieb Michael Caplan: Am hoping to get some feedback on an upgrade strategy to go from

[Maria-discuss] Upgrading From MySQL 5.6 to MariaDB 10.1

2017-02-23 Thread Michael Caplan
Hi there, I'm not seeing any concise information in the MariaDB docs about the recommended upgrade plan from MySQL 5.6 to MariaDB 10.1. Should I install MariaDB 10.0 and then 10.1? Or can I run right to 10.1? I'm running an older version of Ubuntu (12.04 Precise). Looking at the repo, it