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Jakob Luettgau
darshan
Commits
d7c2e81c
Commit
d7c2e81c
authored
Jan 21, 2016
by
Shane Snyder
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small darshan-runtime documentation changes
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92ef4cdd
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darshan-runtime/doc/darshan-runtime.txt
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@@ -483,20 +483,17 @@ runtime environment variables] are equally applicable to both versions.
However, we do provide some suggestions and expectations for system administrators to keep in
mind when upgrading to Darshan 3.x:
* Log file compatibility was broken in the upgrade, and thus 3.x log utilities do not
work directly with logs generated by 2.x versions of Darshan (and vice versa).
- There is currently no tool for converting 2.x logs into the 3.x log format.
- The `darshan-logutils` library will provide error messages to indicate whether a given
* Darshan 2.x and Darshan 3.x produce incompatible log file formats
** log files named *.darshan.gz or *.darshan.bz2: Darshan 2.x format
** log files named *.darshan: Darshan 3.x format
*** a field in the log file header indicates underlying compression method in 3.x logs
** There is currently no tool for converting 2.x logs into the 3.x log format.
** The `darshan-logutils` library will provide error messages to indicate whether a given
log file is incompatible with the correspnonding library version.
* The darshan log file extension has been changed from `.darshan.gz` (or `.darshan.bz2` for
log files converted to use bzip2 compression) to `.darshan`.
- A field in the Darshan log header is used to indicate whether a log is compressed using
libz or bzip2 compression.
* We encourage administrators to use the same log file directory for version 3.x as had been
used for version 2.x.
-
Within this directory, the determination on which set of log utilities (version 2.x
**
Within this directory, the determination on which set of log utilities (version 2.x
or version 3.x) to use can be based on the file extension for a given log (as explained
above).
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