[Compatibility] Add hash expiration - HEXPIRE, HPEXPIRE, HEXPIREAT, HPEXPIREAT, HTTL, HPTTL, HEXPIRETIME, HPEXPIRETIME, HPERSIST and HCOLLECT

libs/host/Configuration/Options.cs

@@ -233,6 +233,9 @@ internal sealed class Options
         [IntRangeValidation(0, int.MaxValue)]
         [Option("compaction-freq", Required = false, HelpText = "Background hybrid log compaction frequency in seconds. 0 = disabled (compaction performed before checkpointing instead)")]
         public int CompactionFrequencySecs { get; set; }
+        [IntRangeValidation(0, int.MaxValue)]
+        [Option("hcollect-freq", Required = false, HelpText = "Frequency in seconds for the background task to perform Hash collection. 0 = disabled. Hash collect is used to delete expired fields from hash without waiting for a write operation.")]
+        public int HashCollectFrequencySecs { get; set; }
 
         [Option("compaction-type", Required = false, HelpText = "Hybrid log compaction type. Value options: None - no compaction, Shift - shift begin address without compaction (data loss), Scan - scan old pages and move live records to tail (no data loss), Lookup - lookup each record in compaction range, for record liveness checking using hash chain (no data loss)")]
         public LogCompactionType CompactionType { get; set; }
@@ -652,6 +655,7 @@ public GarnetServerOptions GetServerOptions(ILogger logger = null)
                 WaitForCommit = WaitForCommit.GetValueOrDefault(),
                 AofSizeLimit = AofSizeLimit,
                 CompactionFrequencySecs = CompactionFrequencySecs,
+                HashCollectFrequencySecs = HashCollectFrequencySecs,
                 CompactionType = CompactionType,
                 CompactionForceDelete = CompactionForceDelete.GetValueOrDefault(),
                 CompactionMaxSegments = CompactionMaxSegments,

libs/host/defaults.conf

@@ -162,6 +162,9 @@
 	/* Background hybrid log compaction frequency in seconds. 0 = disabled (compaction performed before checkpointing instead) */
 	"CompactionFrequencySecs" : 0,
 
+	/* Frequency in seconds for the background task to perform Hash collection. 0 = disabled. Hash collect is used to delete expired fields from hash without waiting for a write operation. */
+	"HashCollectFrequencySecs" : 0,
+
 	/* Hybrid log compaction type. Value options: */ 
 	/*  None - no compaction */
 	/*  Shift - shift begin address without compaction (data loss) */