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authorNeil Fortner <nfortne2@hdfgroup.org>2009-02-12 20:46:32 (GMT)
committerNeil Fortner <nfortne2@hdfgroup.org>2009-02-12 20:46:32 (GMT)
commit0bdedf0a39e859956b6810e848fa67d16b4e10a4 (patch)
treee558e84649e86dbf4422206089baf08ccef659f7 /release_docs/RELEASE.txt
parent0eb811d83156bc15162607c967d98e8ca093a8df (diff)
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[svn-r16480] Purpose: Improve chunk cache
Description: The meaning of the "nbytes" field in H5D_rdcc_t was not clear, and some places assumed it was the maximum size of the chunk cache, while some assumed it was the current size of the chunk cache. The end result was that only 1 chunk could be held in cache at a time. This field has been replaced by "nbytes_max" and "nbytes_used". Performance of cached I/O should improve greatly. Tested: jam, smirom (h5committest)
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diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 31b21f6..85b273d 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -142,6 +142,8 @@ Bug Fixes since HDF5-1.8.0 release
Library
-------
+ - Fixed a bug that prevented more than one dataset chunk from being cached
+ at a time. (NAF - 2009/02/12)
- Fixed an assertion failure caused by opening an attribute multiple times
through multiple file handles. (NAF - 2009/02/12)
- Fixed a problem that could prevent the user from adding attributes (or