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authorJordan Henderson <jhenderson@hdfgroup.org>2018-12-05 21:56:03 (GMT)
committerJordan Henderson <jhenderson@hdfgroup.org>2018-12-05 21:56:03 (GMT)
commit5d457dd379b1a29814bdda78f5daead1b83fe1aa (patch)
treef6be44ac3fd1dcf524ed838923593d1686fefb51
parenteea735a011d2f46a5c3e6740f6b9f16a8cc043c4 (diff)
parent8255e0f81b65cc75b4cfa12c2f77b370006abe50 (diff)
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Merge pull request #1354 in HDFFV/hdf5 from ~JHENDERSON/hdf5:hdf5_1_10 to hdf5_1_10
* commit '8255e0f81b65cc75b4cfa12c2f77b370006abe50': Fix for HDFFV-10629
-rw-r--r--release_docs/RELEASE.txt10
-rw-r--r--src/H5Dmpio.c2
2 files changed, 12 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 767e19c..e63d4c2 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -141,6 +141,16 @@ Bug Fixes since HDF5-1.10.3 release
Library
-------
+ - A bug was discovered in the parallel library where an application
+ would eventually consume all of the available MPI communicators
+ when continually writing to a compressed dataset in parallel. This
+ was due to internal copies of an HDF5 File Access Property List,
+ which each contained a copy of the MPI communicator, not being
+ closed at the end of each write operation. This problem was
+ exacerbated by larger numbers of processors.
+
+ (JTH - 2018/12/05, HDFFV-10629)
+
- Allow H5detect and H5make_libsettings to take a file as an argument.
Rather than only writing to stdout, add a command argument to name
diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c
index a669593..baec4c4 100644
--- a/src/H5Dmpio.c
+++ b/src/H5Dmpio.c
@@ -2901,6 +2901,8 @@ done:
H5MM_free(num_assigned_chunks_array);
if (shared_chunks_info_array)
H5MM_free(shared_chunks_info_array);
+ if (H5Pclose(fapl_id) < 0)
+ HDONE_ERROR(H5E_DATASET, H5E_CANTCLOSEOBJ, FAIL, "couldn't close FAPL")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__chunk_redistribute_shared_chunks() */