knowing when file is flushed to disk
- From: "John Pote" <johnpote@xxxxxxxxxxxxxxxx>
- Date: Wed, 09 Aug 2006 16:13:19 GMT
Hello,
I'm using a Python CGI script on a web server to log data from a remote site
every few minutes. I do not want to lose any data for whatever rare reason -
power outage/os crash just at the wrong moment etc. So I would like to know
when the data is actually written to disk and the file closed. At that point
I can signal deleting of the data at the remote site which has very limited
storage.
Is there some way from my Python script to know when the data is actually on
the disk. BTW server OS is Linux. Presumably calling flush() and close() on
the output file will initiate the disk write, but do they wait for the
actual disk write or immediately return leaving the OS to do the write when
it sees fit?
Any thoughts appreciated,
John
.
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