Hi,

I am just trying to get a handle on when tables are physically written to disk. 
(ignoring whatever operating system level caching that may be going on)

IE If you do some updates/inserts to a MyIsam table and then have a power failure will 
you ALWAYS loose those updates (Even if the power failure is after say 5 minutes of 
inactivity on a table, assuming no intervening FLUSH command), or does the server do a 
write to disk based on some algorithm (eg low activity or Number of updates)?

I understand the operating system may do its own caching and hence have a bearing on 
this - but at this stage I just need to know how/when MySql Physically writes the 
tables to disk.

Thanks
Clyde England


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