diff options
Diffstat (limited to 'Documentation/public-inbox-index.pod')
-rw-r--r-- | Documentation/public-inbox-index.pod | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/public-inbox-index.pod b/Documentation/public-inbox-index.pod index 46a53825..207b2ed8 100644 --- a/Documentation/public-inbox-index.pod +++ b/Documentation/public-inbox-index.pod @@ -39,8 +39,12 @@ normal search functionality. Influences the number of Xapian indexing shards in a (L<public-inbox-v2-format(5)>) inbox. +See L<public-inbox-init(1)/--jobs> for a full description +of sharding. + C<--jobs=0> is accepted as of public-inbox 1.6.0 (PENDING) -to disable parallel indexing. +to disable parallel indexing regardless of the number of +pre-existing shards. If the inbox has not been indexed or initialized, C<JOBS - 1> shards will be created (one job is always needed for indexing @@ -133,7 +137,11 @@ Available in public-inbox 1.6.0 (PENDING). =item --no-fsync Disables L<fsync(2)> and L<fdatasync(2)> operations on SQLite -and Xapian. This is only effective with Xapian 1.4+. +and Xapian. This is only effective with Xapian 1.4+. This is +primarily intended for systems with low RAM and the small +(default) C<--batch-size=1m>. Users of large C<--batch-size> +may even find disabling L<fdatasync(2)> causes too much dirty +data to accumulate, resulting on latency spikes from writeback. Available in public-inbox 1.6.0 (PENDING). |