Future InnoDB File Formats The file format used by the standard built-in InnoDB in MySQL 5.1 is the Antelope format. The file format introduced with InnoDB Plugin 1.0 is the Barracuda format. Although no new features have been announced that woul...
General Notes on Installing MySQL on HP-UX Some additional notes on installing and using MySQL on HP-UX: • If you install MySQL using a binary tarball distribution on HP-UX, you may run into trouble even before you get the MySQL distribution unp...
General Options • -DBUILD_CONFIG=mysql_release This option configures a source distribution with the same build options used by Oracle to produce binary distributions for official MySQL releases. • -DCMAKE_BUILD_TYPE=type The type of build to produce: • RelWithDebInfo: Enable optimizations and...
Guidelines for Using the Mailing Lists Please do not post mail messages from your browser with HTML mode turned on. Many users do not read mail with a browser. When you answer a question sent to a mailing list, if you consider your answer to have broad interest, you may want to post it to the li...
History of MySQL We started out with the intention of using the mSQL database system to connect to our tables using our own fast low-level (ISAM) routines. However, after some testing, we came to the conclusion that mSQL was not fast enough or flexible enough for our needs. This resulted in a new...
Host cache. MySQL now provides more information about the causes of errors that occur when clients connect to the server, as well as improved access to the host cache, which contains client IP address and host name information and is used to avoid DNS lookups. These changes have been implemented:...
How and When Updates Are Released MySQL is evolving quite rapidly and we want to share new developments with other MySQL users. We try to produce a new release whenever we have new and useful features that others also seem to have a need for. We also try to help users who request features that a...
How Crash Recovery Works with Online DDL Although no data is lost if the server crashes while an ALTER TABLE statement is executing, the crash recovery process is different for clustered indexes and secondary indexes. If the server crashes whil...
How to Report Bugs or Problems Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: • Start by searching the MySQL online manual at http://dev.mysql.com/doc/. We try to keep...
Implementation Details of Online DDL Each ALTER TABLE operation for an InnoDB table is governed by several aspects: • Whether there is any change to the physical representation of the table, or w...
