![]() Currently, we always read packed-refs file when 'trustFolderStat' is false. Introduce a new config 'trustPackedRefsStat' which takes precedence over 'trustFolderStat' when reading packed refs. Possible values for this new config are: * always: Trust packed-refs file attributes * after_open: Same as 'always', but refresh the file attributes of packed-refs before trusting it * never: Always read the packed-refs file * unset: Fallback to 'trustFolderStat' to determine if the file attributes of packed-refs can be trusted Folks whose repositories are on NFS and have traditionally been setting 'trustFolderStat=false' can now get some performance improvement with 'trustPackedRefsStat=after_open' as it refreshes the file attributes of packed-refs (at least on some NFS clients) before considering it. For example, consider a repository on NFS with ~500k packed-refs. Here are some stats which illustrate the improvement with this new config when reading packed refs on NFS: trustFolderStat=true trustPackedRefsStat=unset: 0.2ms trustFolderStat=false trustPackedRefsStat=unset: 155ms trustFolderStat=false trustPackedRefsStat=after_open: 1.5ms Change-Id: I00da88e4cceebbcf3475be0fc0011ff65767c111 Signed-off-by: Kaushik Lingarkar <quic_kaushikl@quicinc.com> |
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