… using replication and have my binary log disabled ? If replication is not used you can enable innodb_locks_unsafe_for_binlog option, which will relax locks which Innodb sets… as the name says it makes locks unsafe fore replication and point in time recovery, so use innodb_locks_unsafe_for_binlog option with caution. Note disabling binary…
Post: InnoDB's gap locks
March 27, 2012 By 15 Comments
…to get a consistent Statement based replication. To accomplish that, row level locking databases also acquire gap locks. What is a Phantom …is no need to create locks to prevent that from happening. 2- innodb_locks_unsafe_for_binlog = 1. Disables the gap locks except for foreign-key constraint …
Post: Investigating MySQL Replication Latency in Percona XtraDB Cluster
March 3, 2013 By 13 Comments
…replicated, in which case we could observe the replication delay for over 45 seconds which is quite nasty. Note though delay was for…method=xtrabackup wsrep_cluster_name=DPE binlog_format=ROW default_storage_engine=InnoDB innodb_autoinc_lock_mode=2 innodb_locks_unsafe_for_binlog=1 wsrep_sst_auth=root…
Post: Ultimate MySQL variable and status reference list
January 8, 2011 By 4 Comments
…innodb_flush_methodblogpercona.commanual innodb_force_recoveryblogpercona.commanual Innodb_have_atomic_builtinsblogpercona.commanual innodb_io_capacityblogpercona.commanual innodb_lock_wait_timeoutblogpercona.commanual innodb_locks_unsafe_for_binlogblogpercona.commanual innodb…
Post: Percona XtraDB Cluster reference architecture with HaProxy
June 20, 2012 By 63 Comments
…-112-39-98 log_slave_updates innodb_locks_unsafe_for_binlog=1 innodb_autoinc_lock_mode=2 innodb_buffer_pool_size=400M innodb_log_file_size=64M You can…-ea53b7b12451): 1 (Operation not permitted) at galera/src/replicator_str.cpp:prepare_for_IST():439. IST will be unavailable. 120619 13:20…
Comment: Solving RPM installation conflicts in CentOS 5 and CentOS 6
February 21, 2013 By 6 Comments
…binlog_format=ROW wsrep_slave_threads=2 wsrep_cluster_name=trimethylxanthine wsrep_sst_method=rsync wsrep_node_name=mysql1 innodb_locks_unsafe_for_binlog=1 innodb_autoinc_lock…replicator.causal_read_timeout = PT30S; replicator.commit_order = 3 130221 17:59:06 [Note] WSREP: Assign initial position for…
Comment: MySQL on Amazon RDS part 2: Determining Peak Throughput
March 28, 2011 By 4 Comments
…innodb_force_recovery 0 innodb_io_capacity 200 innodb_lock_wait_timeout 50 innodb_locks_unsafe_for_binlog OFF innodb_log_buffer_size 8388608 innodb_log_file_size 134217728 innodb…
Comment: Percona XtraDB Cluster reference architecture with HaProxy
August 3, 2012 By 63 Comments
….3.3:4567,gcomm:// [mysqld] # # * Basic Settings # server_id=1 binlog_format=ROW wsrep_provider=/usr/lib64/libgalera_smm.so / wsrep… variable changes as per different nodes) innodb_locks_unsafe_for_binlog=1 innodb_autoinc_lock_mode=2 log_slave_updates wsrep_replicate_myisam=1 now by adding the…
Comment: INSERT INTO ... SELECT Performance with Innodb tables.
September 8, 2010 By 22 Comments
… got the exception : Transaction level ‘READ-COMMITTED’ in InnoDB is not safe for binlog mode ‘STATEMENT’(INSERT INTO XXX SELECT YYY…) It seems… statement replication mode, the OUTFILE workaround seems to be the only one that work if you don’t what to set innodb_locks_unsafe_for_binlog…
