mysql: disable binlogs altogether

this is useful primarily for replication

http://dimitrik.free.fr/blog/archives/2018/04/mysql-performance-testing-80-with-less-blood.html

setup/start.sh

@@ -178,11 +178,7 @@ systemctl start nginx
 # restart mysql to make sure it has latest config
 if [[ ! -f /etc/mysql/mysql.cnf ]] || ! diff -q "${script_dir}/start/mysql.cnf" /etc/mysql/mysql.cnf >/dev/null; then
     # wait for all running mysql jobs
-    if [[ "${ubuntu_version}" == "20.04" ]]; then
-        cp "${script_dir}/start/mysql/8.0.cnf" /etc/mysql/mysql.cnf
-    else
-        cp "${script_dir}/start/mysql/5.7.cnf" /etc/mysql/mysql.cnf
-    fi
+    cp "${script_dir}/start/mysql.cnf" /etc/mysql/mysql.cnf
     while true; do
         if ! systemctl list-jobs | grep mysql; then break; fi
         echo "Waiting for mysql jobs..."

setup/start/mysql.cnf

@@ -15,9 +15,8 @@ collation-server = utf8mb4_unicode_ci
 # set timezone to UTC
 default_time_zone='+00:00'
 
-# keep mysql binlogs under check
-expire_logs_days        = 2
-max_binlog_size   = 100M
+# disable bin logs. they are only useful in replication mode
+skip-log-bin
 
 [mysqldump]
 quick

setup/start/mysql/8.0.cnf

@@ -1,33 +0,0 @@
-!includedir /etc/mysql/conf.d/
-!includedir /etc/mysql/mysql.conf.d/
-
-# http://bugs.mysql.com/bug.php?id=68514
-[mysqld]
-performance_schema=OFF
-max_connections=50
-# on ec2, without this we get a sporadic connection drop when doing the initial migration
-max_allowed_packet=64M
-
-# https://mathiasbynens.be/notes/mysql-utf8mb4
-character-set-server = utf8mb4
-collation-server = utf8mb4_unicode_ci
-
-# set timezone to UTC
-default_time_zone='+00:00'
-
-# keep mysql binlogs under check
-binlog_expire_logs_seconds = 172800
-max_binlog_size   = 100M
-
-[mysqldump]
-quick
-quote-names
-max_allowed_packet  = 16M
-default-character-set = utf8mb4
-
-[mysql]
-default-character-set = utf8mb4
-
-[client]
-default-character-set = utf8mb4
-

src/infra_version.js

@@ -16,7 +16,7 @@ exports = module.exports = {
     // docker inspect --format='{{index .RepoDigests 0}}' $IMAGE to get the sha256
     'images': {
         'turn': { repo: 'cloudron/turn', tag: 'cloudron/turn:1.3.0@sha256:386fb755fc41edd7086f7bcb230f7f28078936f9ae4ead6d97c741df1cc194ae' },
-        'mysql': { repo: 'cloudron/mysql', tag: 'cloudron/mysql:3.0.2@sha256:390970f60b809a8eb937c3af42994a0a1b2eeacbceab76459c884ace0b855bfd' },
+        'mysql': { repo: 'cloudron/mysql', tag: 'cloudron/mysql:3.0.3@sha256:dde2522915a12bfb3c840771553ea8a670c7e0ef84d7ec619483b98b3dfec082' },
         'postgresql': { repo: 'cloudron/postgresql', tag: 'cloudron/postgresql:4.0.0@sha256:650377a01f66017fce67e8ad3dba52508acb27e71a35139e35c94c45efa598d9' },
         'mongodb': { repo: 'cloudron/mongodb', tag: 'cloudron/mongodb:4.0.0@sha256:c2d3ac567c5af79a9d470a8ff53938a4b6dad826ecbdd192a716a4c5e558ff3e' },
         'redis': { repo: 'cloudron/redis', tag: 'cloudron/redis:3.0.0@sha256:88ef97f2e655982c16865c0a5ffac005f891b230f8864d779c32175f8b9b3b18' },