set global innodb_commit_concurrency=0;select @@innodb_commit_concurrency;@@innodb_commit_concurrency0set global innodb_commit_concurrency=1;ERROR HY000: Incorrect arguments to SETselect @@innodb_commit_concurrency;@@innodb_commit_concurrency0set global innodb_commit_concurrency=42;ERROR HY000: Incorrect arguments to SETselect @@innodb_commit_concurrency;@@innodb_commit_concurrency0set global innodb_commit_concurrency=0;select @@innodb_commit_concurrency;@@innodb_commit_concurrency0