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Kirill Smelkov
mariadb
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a3472583
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a3472583
authored
Jul 18, 2002
by
unknown
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Clarification of replication master-slave compatibility between versions.
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Docs/manual.texi
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a3472583
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@@ -23554,12 +23554,23 @@ logging on the master. If you start your slaves with data that doesn't
agree with what was on the master @strong{when the binary log was
started}, your slaves may fail.
Starting in 4.0.0, one can use @code{LOAD DATA FROM MASTER} to set up
a slave. Note that 4.0.0 slaves cannot communicate with 3.23 masters, but 4.0.1
and later version slaves can. 3.23 slave cannot talk to 4.0 master.
Please see the following table for an indication of master-slave
compatibility between different versions. With regard to version 4.0,
we recommend using same version on both sides.
@c FIX arjen 2002-07-17 new table, not yet measured for XML/DocBook.
@multitable @columnfractions .10 .15 .15 .10 .10 .10
@item @tab @tab @strong{Master} @tab @strong{Master} @tab @strong{Master} @tab @strong{Master}
@item @tab @tab @strong{3.23.33 and up} @tab @strong{4.0.0} @tab @strong{4.0.1} @tab @strong{4.0.2}
@item @strong{Slave} @tab @strong{3.23.33 and up} @tab yes @tab no @tab no @tab no
@item @strong{Slave} @tab @strong{4.0.0} @tab no @tab yes @tab no @tab no
@item @strong{Slave} @tab @strong{4.0.1} @tab yes @tab no @tab yes @tab no
@item @strong{Slave} @tab @strong{4.0.2} @tab yes @tab no @tab no @tab yes
@end multitable
You must also be aware that @code{LOAD DATA FROM MASTER} currently works only
if all the tables on the master are @code{MyISAM} type, and will acuire a
Starting from 4.0.0, one can use @code{LOAD DATA FROM MASTER} to set up
a slave. Be aware that @code{LOAD DATA FROM MASTER} currently works only
if all the tables on the master are @code{MyISAM} type, and will acquire a
global read lock, so no writes are possible while the tables are being
transferred from the master. This limitation is of a temporary nature, and is
due to the fact that we have not yet implemented hot lock-free table backup.
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