daos serialize: decrease chunk size
Decrease the chunk size from 128MB to 1K.
This greatly reduces the space requirements.
@@ -2268,7 +2268,10 @@ static int init_recx_data(struct hdf5_args *hdf5)
hdf5->single_dims[0] = 1;
hdf5->rx_dims[0] = 0;
hdf5->rx_max_dims[0] = H5S_UNLIMITED;
- hdf5->rx_chunk_dims[0] = 131072;
+
+ /* TODO consider other chunk sizes or possibly use different
+ * chunk sizes for different dkeys/akeys. */
+ hdf5->rx_chunk_dims[0] = 1024;
hdf5->plist = H5Pcreate(H5P_DATASET_CREATE);
if (hdf5->plist < 0) {
