The _latest objects store the time at which a point was written, not …

…the timestamp stored in the point
istathar · Feb 19, 2015 · a57117e · a57117e
1 parent aebd7cc
commit a57117e
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/lib/Vaultaire/RollOver.hs b/lib/Vaultaire/RollOver.hs
@@ -93,14 +93,15 @@ rollOver origin day_file latest_file buckets =
 originLockOID :: Origin -> ByteString
 originLockOID = simpleLatestOID
 
--- | Construct the ID of the Ceph object storing the timestamp of the
---   latest 'SimplePoint' written to an origin.
+-- | Construct the ID of the Ceph object storing the time at which the
+--   latest 'SimplePoint' was written to an origin (note that this is
+--   the time at which the point was written, *not* the timestamp of the
+--   point itself).
 simpleLatestOID :: Origin -> ByteString
 simpleLatestOID (Origin origin') =
     "02_" <> origin' <> "_simple_latest"
 
--- | Construct the ID of the Ceph object storing the timestamp of the
---   latest 'ExtendedPoint' written to an origin.
+-- | Analogous to 'simpleLatestOID' for extended points.
 extendedLatestOID :: Origin -> ByteString
 extendedLatestOID (Origin origin') =
     "02_" <> origin' <> "_extended_latest"