Loading Docs/manual.texi +30 −0 Original line number Diff line number Diff line Loading @@ -18622,6 +18622,36 @@ one extra connection for a client with the @code{Process_priv} privilege to ensure that you should always be able to login and check the system (assuming you are not giving this privilege to all your users). Some frequently asked states in @code{mysqladmin processlist} @code{WAITING FOR TABLES} This means that the server is trying to get a lock of a table(s). Usually this should happen very fast, unless there is some problem around, such as another program holding table files open (e.g @code{myisamchk}, anohter instance of @code{mysqld}), @code{mysqld} is run without @code{--skip-locking}, table files are nfs mounted for @code{mysqld}, etc. @code{OPENING TABLES} This simply means that the thread is trying to open a table. This also should be very instant procedure, unless something prevents opening. An @code{ALTER TABLE}, for example, can prevent opening a table until the command is finished. If someone runs @code{FLUSH TABLES} simultaneously with an @code{ALTER TABLE}, then all the threads that are trying to use the table in @code{ALTER TABLE} query will be in this state. @code{CLOSING TABLES} Means that the thread is closing the tables that the thread was using. If this is taking long, please check for the above for possible reasons why it might be taking long. All of the above are usually very quick operations. If threads last in any of these states for many seconds, there may be a problem around that needs to be investigated. Check also that you have not run out of harddisk space. @node SHOW GRANTS, SHOW CREATE TABLE, SHOW PROCESSLIST, SHOW @subsubsection @code{SHOW GRANTS} Loading
Docs/manual.texi +30 −0 Original line number Diff line number Diff line Loading @@ -18622,6 +18622,36 @@ one extra connection for a client with the @code{Process_priv} privilege to ensure that you should always be able to login and check the system (assuming you are not giving this privilege to all your users). Some frequently asked states in @code{mysqladmin processlist} @code{WAITING FOR TABLES} This means that the server is trying to get a lock of a table(s). Usually this should happen very fast, unless there is some problem around, such as another program holding table files open (e.g @code{myisamchk}, anohter instance of @code{mysqld}), @code{mysqld} is run without @code{--skip-locking}, table files are nfs mounted for @code{mysqld}, etc. @code{OPENING TABLES} This simply means that the thread is trying to open a table. This also should be very instant procedure, unless something prevents opening. An @code{ALTER TABLE}, for example, can prevent opening a table until the command is finished. If someone runs @code{FLUSH TABLES} simultaneously with an @code{ALTER TABLE}, then all the threads that are trying to use the table in @code{ALTER TABLE} query will be in this state. @code{CLOSING TABLES} Means that the thread is closing the tables that the thread was using. If this is taking long, please check for the above for possible reasons why it might be taking long. All of the above are usually very quick operations. If threads last in any of these states for many seconds, there may be a problem around that needs to be investigated. Check also that you have not run out of harddisk space. @node SHOW GRANTS, SHOW CREATE TABLE, SHOW PROCESSLIST, SHOW @subsubsection @code{SHOW GRANTS}