Since it’s the same server working with the same data directory, what about cases where there’s already existing data within the data directory? You don’t want that overwritten! So if the data directory exists and there’s even a single item in it, then the -initialize procedure will stop right there with a helpful and descriptive error message. This is how the new -initialize MySQL server option was born.Ī single option to initialize your database instance! Using nothing but your database server itself! Always consistent and cross platform! What if mysqld could instead do the job all on its own? Without the need for all of these extra SQL files? So you don’t have to carry them around and worry if they match the binary? Why not have mysqld bootstrap itself and eliminate all of this complexity? Mysql_install_db‘s primary job was to invoke the mysqld (MySQL server) binary in a special mode and pipe in a bunch of SQL scripts to it. It started looking better.īut after having fully analyzed exactly what mysql_install_db was trying to do, it became obvious that there’s no way this would work reliably cross platform without another large command line tool. We got rid of the Perl scripting and re-wrote it in C. We first tried making mysql_install_db easier to use. So we started looking into it, and thanks to the wonderful system of Development Milestone releases (DMRs) we had an ideal medium with which to communicate our plans to everyone. You can actually scratch your own itches. This is exactly why it’s great to be a MySQL server developer.
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Then my colleagues-who were also fed up with having to create and maintain their own custom versions of mysql_install_db for Windows-started insisting that it’s high time we do something about this. That’s tolerable when you’re developing the server, but certainly not when you’re setting up a database server for production use.Īnother potential option was running mysql_install_db… except that I was running on MS Windows, and it is not natively supported on Windows.
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It recently started having an “mtr” database too that I didn’t want either. It has a “test” database/schema that everybody can write to. is a test tool, so it creates the database in an extra-permissive mode. And then, after reading the manual and trying out the complex command line (including redirection) based steps a couple of times, I just resorted to employing the test suite driver to create the initial system tables and data for me. But as it turned out, the answer was not that simple. I know it sounds like a very basic question. The attempt to initialize the database FailedĮnded configuration step: Initializing Database īeginning configuration step: Starting ServerĬannot start service MySQL57 on computer '.'.MySQL 5.7.6 brings in a simplification that solves the very first problem that I encountered back in the days when I first started using MySQL 5.0. Waiting for the server stops: C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe -defaults-file="C:\ProgramData\MySQL\MySQL Server 5.7\my.ini" -initialize-insecure=on -console Running process: C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe -defaults-file="C:\ProgramData\MySQL\MySQL Server 5.7\my.ini" -initialize-insecure=on -console Problem signature:įault Module Name: KERNE元2.dll!TryAcquireSRWLockExclusiveĪdditional Information 2:đabee00edb3fc1158f9ad6f44f0f6be8Īdditional Information 4:đabee00edb3fc1158f9ad6f44f0f6be8 Beginning configuration step: Stopping Server Įnded configuration step: Stopping Server īeginning configuration step: Writing configuration fileĮnded configuration step: Writing configuration fileīeginning configuration step: Updating firewallĪdding firewall rule for MySQL57 on port 3306.Įnded configuration step: Updating firewallīeginning configuration step: Adjusting Windows service Īttempting to grant Network Service require filesystem permissions.Įnded configuration step: Adjusting Windows service īeginning configuration step: Initializing Database Īttempting to run MySQL Server with -Initialize-insecure Check online for a solution or Close the program. The procedure entry point TryAcquireSRWLockExclusive could not be located in the dynamic link library KERNE元2.dll. You would receive a mysqld.exe alert box message - Entry Point not Found. Note: Here is the glitch that you will likely see trying to install MySQL 5.7.x.x on Server 2008 SP2 or below (not 2008 R2).