Speaker
Dr
Dana Robinson
(The HDF Group)
Description
In this presentation, we review several approaches to crashproofing the HDF5 library. We describe an implementation based on a Write-Ahead Log (WAL) for metadata within the HDF5 library. In the event of a crash during the lifetime of an application using HDF5, this WAL can be used by the library or an external tool to restore the metadata within an HDF5 file to a self-consistent state, preventing file corruption and limiting the loss of application data with minimal I/O and memory overhead.
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Primary authors
Dr
Dana Robinson
(The HDF Group)
Mrs
Glenn Song
(The HDF Group)
Mr
Matt Larson
(The HDF Group)
Mr
Neil Fortner
(The HDF Group)
Mrs
Vailin Choi
(The HDF Group)
