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Daniel da Veiga wrote: |
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> On Thu, Apr 3, 2008 at 6:18 PM, kashani <kashani-list@××××××××.net> wrote: |
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>> Daniel da Veiga wrote: |
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>> |
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>>> I don't understand why use a chroot to simply run another instance of |
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>>> MySQL. Is there any good reason? |
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>>> All you gotta do is create a new configuration file that points to a |
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>>> different database location and uses a different port, and clone and |
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>>> edit another /etc/init.d/mysql script to point to the new config file. |
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>>> |
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>>> A chroot would be just a waste of space, since you can use the same |
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>>> binary for multiple instances. |
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>>> |
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>> About the only reason to run multiple instances is testing different |
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>> versions hence the chroot. |
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>> |
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> |
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> The OP asked about different instances, not versions. |
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true, but again one of the few rational reasons to do this is to test |
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multiple versions. Otherwise it's an efficient way to split your system |
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resources in half. The OP could look at /etc/init.d/mysqlmanager which |
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seems to support the idea of instances, but I'm not sure it would be |
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useful outside running the same binary on a different port. |
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> Isn't MySQL slotted, so you can run different major versions (4 and 5, |
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> for example) at the same time? |
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> |
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Not slotted in any meaningful within the system. You have to chroot. |
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There was an attempt to do it within Gentoo a few years back, but it |
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overly complicated for the average user and poorly implemented. |
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kashani |
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-- |
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