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| author | Vailin Choi <vchoi@jam.ad.hdfgroup.org> | 2019-09-26 19:10:56 (GMT) |
|---|---|---|
| committer | Vailin Choi <vchoi@jam.ad.hdfgroup.org> | 2019-09-26 19:10:56 (GMT) |
| commit | 7924eee0e5ee0745b784c635042b8633886fb799 (patch) | |
| tree | de40ed74b1b2b3b5db69a8f1ebedbdbd8f2100d7 /release_docs/RELEASE.txt | |
| parent | 52fef3c6d2b79399caa316cf7f380e61db95ba0e (diff) | |
| download | hdf5-7924eee0e5ee0745b784c635042b8633886fb799.zip hdf5-7924eee0e5ee0745b784c635042b8633886fb799.tar.gz hdf5-7924eee0e5ee0745b784c635042b8633886fb799.tar.bz2 | |
(1) Address the feedback from the PR review
(2) Add release notes
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index f9547f3..b861914 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -362,6 +362,19 @@ Bug Fixes since HDF5-1.10.3 release Library ------- + - Fixed the slowness of regular hyperslab selection in a chunked dataset + + It was reported that the selection of every 10th element from a 20G + chunked dataset was extremely slow and sometimes could hang the system. + The problem was due to the iteration and the building of the span tree + for all the selected elements in file space. + + As the selected elements are going to a 1-d contiguous single block + memory space, the problem was fixed by building regular hyperslab selections + in memory space for the selected elements in file space. + + (VC - 2019/09/26, HDFFV-10585) + - Fixed a bug caused by bad tag value when condensing object header messages |