Questions tagged [mariadb-10.2]
MariaDB 10.2 was released as stable (GA) with version 10.2.6 on 23 May 2017. Please also tag with mariadb for search purposes.
21
questions with no upvoted or accepted answers
2
votes
1
answer
389
views
Finding temporary table name in MariaDB
As I reported some days ago to MariaDB bug tracker the following bug: https://jira.mariadb.org/browse/MDEV-17420, slave replicas with version 10.2.x are leaking temporary tables on MyISAM files.
Our ...
2
votes
0
answers
21
views
Enforce existence of cartesian product in join table without triggers in MariaDB 10.2
Given tables A, B and C, where C holds a foreign key to both A and B (i.e. C is a "join table"), is it possible to define a constraint so that C contains the whole Cartesian product A x B without ...
1
vote
0
answers
164
views
How can I prevent overload of Mariadb server?
I'm running MariaDB 10.2.27 on Ubuntu 16.04 (10 cores, 40 GB RAM).
We have a queued message handling system (using Symfony Messenger) that normally has 20 workers consuming messages from the queue. ...
- 101
1
vote
1
answer
627
views
Mysql service stops with [ERROR] InnoDB: CORRUPT LOG RECORD FOUND
In my Plesk Obsidian version 18.0.42 running on CentOS Linux release 7.9.2009 with MySQL version 10.2.43-MariaDB. All of a sudden database stopped working. Mysql service never comes up on start ...
- 150
1
vote
0
answers
188
views
mariaDB 10.2: sql mode has changed
The Upgrading from MariaDB 10.1 to MariaDB 10.2 states:
SQL_MODE has been changed; in particular, NOT NULL fields with no
default will no longer fall back to a dummy value for inserts which do
not ...
- 151
1
vote
1
answer
243
views
Connection aborts is happening in MariaDB 10.2 but not in 10.1 even with log_warnings level set to 2
I am noticing different behavior in mariadb 10.1 & 10.2 reg.connection aborts.
I noticed connection getting aborted after 7 minutes(wait_timeout) of any query execution. There are few random ...
1
vote
0
answers
421
views
Why is PDO::ATTR_EMULATE_PREPARES = false causing "MySQL server has gone away" errors?
I've been using PHP PDO with the default setting of ATTR_EMULATE_PREPARES = true and it was working fine.
However, I wanted to be able to select database values as integers instead of having them ...
- 101
1
vote
0
answers
1k
views
MariaDB 10.3 slave fails to replicate from a MariaDB 10.2 master
We have a 10.2.18 master and 4 slaves with 10.2.18. Because of this bug that I've reported last week (https://jira.mariadb.org/browse/MDEV-17420) we tried to upgrade one of the replicas to 10.3.10 to ...
1
vote
0
answers
49
views
MySQL InnoDB stop locking when large sql is executed
We face a issue that the InnoDB table is locked, when a sql file that is executed is large than a certain file size.
The problem does not appear when the file size is much lower, for example 25MB. ...
- 111
1
vote
1
answer
296
views
Setup replication between two Galera nodes
I've been using MariaDB 10.2 Galera with 3 nodes successfully on local servers. Now, I have a second 3-nodes Galera cluster on another location, joined by an Site-to-Site IPSec Tunnel.
I can't really ...
- 11
1
vote
0
answers
367
views
Unable to install Mariadb on Fedora 27 due to SELinux issue
I followed these instructions in installing mariadb on my fedora 27 VM.
My mariadb.repo is configured as follows:
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.2.12/fedora26-amd64
...
- 169
0
votes
1
answer
59
views
Unable to DROP or MODIFY a column because row size is too large
I've tried to ALTER the table to DROP the unused columns or to change the data type of some VARCHAR columns to TEXT, but I always get this error:
ERROR 1118 (42000) at line 1: Row size too large (>...
- 101
0
votes
1
answer
22
views
Why is it not possible to "SELECT" Data as parameters for certain clauses like LIMIT?
EXAMPLE:
CREATE TABLE t (A INT);
INSERT INTO t VALUES(1),(2),(3),(4),(5);
This works:
SELECT A FROM t WHERE A=(SELECT 1)
This does not:
SELECT A FROM t LIMIT (SELECT 1);
This works:
SELECT A ...
0
votes
0
answers
30
views
MariaDB Replication - Missing ^M Characters on Slave
I've got a simple single master->slave replication setup with MIXED binlog format for mariadb 10.2.22-1 on RHEL7.
I believe I'm having an issue where '^M' characters in a longtext column are not ...
0
votes
1
answer
3k
views
Mysql_upgrade fails, table is corrupted
I have a mariaDB with a table that is corrupted. It's useless data to me, so I've tried to drop the schema but it won't drop. Instead, it gives me this error when trying to drop it:
"Error Code: 1805....
- 21
0
votes
0
answers
167
views
Fulltext search in a CTE result - missing fulltext index
My question applies to MariaDB 10.2.7
The query
WITH prefiltered AS (
SELECT id, fulltext_indexed_column
FROM fulltext_table
WHERE id < 30
)
SELECT *
FROM prefiltered
WHERE MATCH(...
- 101
0
votes
1
answer
274
views
MariaDB 10.2.22 Galera Cluster Using Bad Indexes After Analyze
I'm using Drupal on a MariaDB Galera 10.2.22 3 node cluster and I'm having some problems with one query. I have a table (InnoDB) called field_data_field_department which has a bunch of indexes. If I ...
0
votes
0
answers
376
views
MariaDB 10.2 crash on innodb table corruption - trying to restore the database
I'm running MariaDB 10.2 on Windows and had some hard drive corruption on my server that messed up some innodb tables. Unfortunately this also affected backups, so I'm trying to dump the tables and ...
- 1
0
votes
1
answer
215
views
perform non locking select when updating another table
We need to perform the following (periodic) query in mariadb:
update A set status='INACTIVE' where status='ACTIVE' and a.b_id in
(select id from B where ... LOCK IN SHARE MODE);
Unfortunately it ...
- 101
0
votes
1
answer
2k
views
Mysql service down with [ERROR] InnoDB: Page log sequence number is in the future
I have a Centos 7.9 server with MariaDB version 10.2.43. All of a sudden on May 2 2022, I have started receiving mysql down alerts. On checking I could see below log information in logs.
Error 2:- ...
- 150
-1
votes
1
answer
584
views
Mariadb encryption
I have a requirement to encrypt certain column of DB tables. Going through the links, have followed the below steps:
In /etc/my.cnf
[mysqld]
plugin-load-add = file_key_management
...
- 1