diff options
Diffstat (limited to 'release_docs')
| -rw-r--r-- | release_docs/RELEASE.txt | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 689a374..5dcc2ac 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -64,7 +64,23 @@ New Features Library: -------- - - + - Paged Aggregation + + This is one of the file space management strategies. This strategy + aggregates small metadata and raw data allocations into constant-sized + well-aligned pages, which are suitable for page caching. Paged + aggregation together with the page buffering feature will allow efficient + I/O accesses. + + - Page Buffering + + The page buffering layer in the HDF5 library absorbs small accesses to + the file system. Each page in memory corresponds to a page allocated in + the file. Access to the file system is then performed as a single page + or multiple of pages, if they are contiguous. This ensures that small + accesses to the file system are avoided while providing another caching + layer for improved I/O performance. This feature works in conjunction + with the paged aggregation feature. Parallel Library: ----------------- @@ -163,6 +179,25 @@ Bug Fixes since HDF5-1.10.0-patch1 release - Changed the plugins dlopen option from RTLD_NOW to RTLD_LAZY (PR 201 ADB 2016/12/12) + - Fix error when copying dataset with attribute which is a compound datatype + consisting of a variable length string. + (HDFFV-7991 VC 2016/08/19, 2016/08/21, 2016/08/24) + + - H5DOappend will not fail if a dataset has no append callback registered. + (HDFFV-9960 VC 2016/08/05, 2016/08/14) + + - Fix the problem where the committed datatype's file location is different + from the file location of an attribute with that committed datatype. + (HDFFV-9940 VC 2016/07/03, 2016/07/06) + + - Fix for h5format_convert daily test failures when --enable-using-memchecker. + (svn-r30009 VC 2016/06/03) + + - (a) Throw an error instead of assertion when v1 btree level hits the 1 byte limit. + (b) Modifications to better handle error recovery when conversion by + h5format_convert fails. + (HDFFV-9434 VC 2016/05/29) + Configuration ------------- - Configuration will check for the strtoll and strtoull functions @@ -377,6 +412,10 @@ The following platforms are not supported but have been tested for this release. Known Problems ============== +* hl/tools/h5watch tests are skipped temporarily because there are random + test failures. Further investigation is needed. + (Pull request #241 VC - 2017/01/10) + * "make check" fails on CYGWIN when building shared lib files is enabled. The default on Cygwin has been changed to disable shared. It can be enabled with the --enable-shared configure option but is likely to fail "make check" |