Fix Info Output Format (#1019)

* update info format

* remove whitespaces from headers of INFO output

---------

Co-authored-by: Tal Zaccai <[email protected]>

libs/common/Memory/LimitedFixedBufferPool.cs

@@ -208,14 +208,12 @@ public string GetStats()
             var totalBufferCount = 0;
             for (var i = 0; i < numLevels; i++)
             {
-                if (pool[i] == null || pool[i].items.Count == 0) continue;
-                totalBufferCount += pool[i].items.Count;
-                bufferStats += $"<{pool[i].items.Count}:{Format.MemoryBytes(minAllocationSize << i)}>";
+                var items = pool[i] == null || pool[i].items.IsEmpty ? 0 : pool[i].items.Count;
+                totalBufferCount += items;
+                bufferStats += $",{items}={Format.MemoryBytes(minAllocationSize << i)}";
             }
 
-            if (totalBufferCount > 0)
-                stats += $",totalBufferCount={totalBufferCount},[" + bufferStats + "]";
-
+            stats += $",totalBufferCount={totalBufferCount}" + bufferStats;
             return stats;
         }
 

libs/server/Metrics/Info/GarnetInfoMetrics.cs

@@ -305,17 +305,17 @@ public static string GetSectionHeader(InfoMetricsType infoType)
                 InfoMetricsType.CLUSTER => "Cluster",
                 InfoMetricsType.REPLICATION => "Replication",
                 InfoMetricsType.STATS => "Stats",
-                InfoMetricsType.STORE => "Main Store",
-                InfoMetricsType.OBJECTSTORE => "Object Store",
-                InfoMetricsType.STOREHASHTABLE => "Main Store Hash Table Distribution",
-                InfoMetricsType.OBJECTSTOREHASHTABLE => "Object Store Hash Table Distribution",
-                InfoMetricsType.STOREREVIV => "Main Store Deleted Record Revivification",
-                InfoMetricsType.OBJECTSTOREREVIV => "Object Store Deleted Record Revivification",
+                InfoMetricsType.STORE => "MainStore",
+                InfoMetricsType.OBJECTSTORE => "ObjectStore",
+                InfoMetricsType.STOREHASHTABLE => "MainStoreHashTableDistribution",
+                InfoMetricsType.OBJECTSTOREHASHTABLE => "ObjectStoreHashTableDistribution",
+                InfoMetricsType.STOREREVIV => "MainStoreDeletedRecordRevivification",
+                InfoMetricsType.OBJECTSTOREREVIV => "ObjectStoreDeletedRecordRevivification",
                 InfoMetricsType.PERSISTENCE => "Persistence",
                 InfoMetricsType.CLIENTS => "Clients",
                 InfoMetricsType.KEYSPACE => "Keyspace",
                 InfoMetricsType.MODULES => "Modules",
-                InfoMetricsType.BPSTATS => "BufferPool Stats",
+                InfoMetricsType.BPSTATS => "BufferPoolStats",
                 _ => "Default",
             };
         }

libs/storage/Tsavorite/cs/src/core/Index/Synchronization/StateTransitions.cs

@@ -172,7 +172,7 @@ internal static bool Equal(SystemState s1, SystemState s2)
         /// <inheritdoc/>
         public override string ToString()
         {
-            return $"[{Phase},{Version}]";
+            return $"state={Phase},version={Version}";
         }
 
         /// <summary>