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Author SHA1 Message Date
Marc Howison 1cd47a604a 1.6.1 tag 2010-06-21 15:39:41 +00:00
+4 -4
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@@ -12,7 +12,7 @@ on disk.
All Steps Available on Write All Steps Available on Write
---------------------------- ----------------------------
Previously, existing steps in a file were only accessable in read-only mode. Previously, existing steps in a file were only accessible in read-only mode.
Now, all steps are available in all modes, including write-truncate and Now, all steps are available in all modes, including write-truncate and
write-append. Thus, it is now possible to overwrite existing data in write write-append. Thus, it is now possible to overwrite existing data in write
mode. To help alert the user to this possibility, a warning is issued every mode. To help alert the user to this possibility, a warning is issued every
@@ -23,9 +23,9 @@ New Throttling Routine
---------------------- ----------------------
Previously, a throttle factor of N meant that for P processors, the total Previously, a throttle factor of N meant that for P processors, the total
number of P writes were divided into N batchs of P/N writes. number of P writes were divided into N batches of P/N writes.
To better accomodate round-robin lustre striping, the new policy is to To better accommodate round-robin lustre striping, the new policy is to
execute P/N batches of N writes. Thus, matching N to the number of stripes execute P/N batches of N writes. Thus, matching N to the number of stripes
results in the desirable 1-1 matching of writers to stripes. results in the desirable 1-1 matching of writers to stripes.
@@ -160,7 +160,7 @@ calls.
Previously, a user could overrun internal buffers for dataset names. Now, a Previously, a user could overrun internal buffers for dataset names. Now, a
fixed limit of 64 chars is imposed. Dataset names that are longer than this are fixed limit of 64 chars is imposed. Dataset names that are longer than this are
truncated and a warning is printed. We expect that most users are using truncated and a warning is printed. We expect that most users are using
short canoncical names like x, px, id, etc. short canonical names like x, px, id, etc.
Changes to Existing API Changes to Existing API
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