gc command attachment options (#176)

* zen command - add options to control meta data cache when triggering gc

1 files changed, 30 insertions, 7 deletions

diff --git a/src/zenstore/gc.cpp b/src/zenstore/gc.cpp
index cde89421e..159b13af0 100644
--- a/src/zenstore/gc.cpp
+++ b/src/zenstore/gc.cpp
@@ -1705,6 +1705,8 @@ GcScheduler::AppendGCLog(std::string_view Id, GcClock::TimePoint StartTime, cons
 					Writer << "CompactBlockUsageThresholdPercent"sv << Settings.CompactBlockUsageThresholdPercent;
 					Writer << "AttachmentRangeMin"sv << Settings.AttachmentRangeMin;
 					Writer << "AttachmentRangeMax"sv << Settings.AttachmentRangeMin;
+					Writer << "ForceStoreCacheAttachmentMetaData"sv << Settings.StoreCacheAttachmentMetaData;
+					Writer << "ForceStoreProjectAttachmentMetaData"sv << Settings.StoreProjectAttachmentMetaData;
 				}
 				Writer.EndObject();
 
@@ -1901,7 +1903,10 @@ GcScheduler::SchedulerThread()
 			bool				 SingleThreaded					   = m_Config.SingleThreaded;
 			IoHash				 AttachmentRangeMin				   = IoHash::Zero;
 			IoHash				 AttachmentRangeMax				   = IoHash::Max;
-			uint8_t				 NextAttachmentPassIndex =
+			bool				 StoreCacheAttachmentMetaData	   = m_Config.StoreCacheAttachmentMetaData;
+			bool				 StoreProjectAttachmentMetaData	   = m_Config.StoreProjectAttachmentMetaData;
+
+			uint8_t NextAttachmentPassIndex =
 				ComputeAttachmentRange(m_AttachmentPassIndex, m_Config.AttachmentPassCount, AttachmentRangeMin, AttachmentRangeMax);
 
 			bool DiskSpaceGCTriggered = false;
@@ -1947,6 +1952,14 @@ GcScheduler::SchedulerThread()
 				{
 					NextAttachmentPassIndex = m_AttachmentPassIndex;
 				}
+				if (TriggerParams.StoreCacheAttachmentMetaData.has_value())
+				{
+					StoreCacheAttachmentMetaData = TriggerParams.StoreCacheAttachmentMetaData.value();
+				}
+				if (TriggerParams.StoreProjectAttachmentMetaData.has_value())
+				{
+					StoreProjectAttachmentMetaData = TriggerParams.StoreProjectAttachmentMetaData.value();
+				}
 				DoGc = true;
 			}
 
@@ -2173,6 +2186,8 @@ GcScheduler::SchedulerThread()
 											SingleThreaded,
 											AttachmentRangeMin,
 											AttachmentRangeMax,
+											StoreCacheAttachmentMetaData,
+											StoreProjectAttachmentMetaData,
 											SilenceErrors);
 			if (!GcSuccess)
 			{
@@ -2274,6 +2289,8 @@ GcScheduler::CollectGarbage(const GcClock::TimePoint& CacheExpireTime,
 							bool					  SingleThreaded,
 							const IoHash&			  AttachmentRangeMin,
 							const IoHash&			  AttachmentRangeMax,
+							bool					  StoreCacheAttachmentMetaData,
+							bool					  StoreProjectAttachmentMetaData,
 							bool					  SilenceErrors)
 {
 	ZEN_TRACE_CPU("GcScheduler::CollectGarbage");
@@ -2357,18 +2374,24 @@ GcScheduler::CollectGarbage(const GcClock::TimePoint& CacheExpireTime,
 													 .CompactBlockUsageThresholdPercent = CompactBlockUsageThresholdPercent,
 													 .DiskReservePath					= m_Config.RootDirectory / "reserve.gc",
 													 .AttachmentRangeMin				= AttachmentRangeMin,
-													 .AttachmentRangeMax				= AttachmentRangeMax};
+													 .AttachmentRangeMax				= AttachmentRangeMax,
+													 .StoreCacheAttachmentMetaData		= StoreCacheAttachmentMetaData,
+													 .StoreProjectAttachmentMetaData	= StoreProjectAttachmentMetaData};
 
 						auto AppendSettings = [](StringBuilderBase& SB, const GcSettings& Settings) {
 							SB.Append(
 								fmt::format("      GC small objects:          {}\n", Settings.CollectSmallObjects ? "yes"sv : "no"sv));
 							SB.Append(fmt::format("      GC Cid store:              {}\n", Settings.SkipCidDelete ? "no"sv : "yes"sv));
-							if (!Settings.SkipCidDelete &&
-								(Settings.AttachmentRangeMin != IoHash::Zero || Settings.AttachmentRangeMax != IoHash::Max))
+							if (!Settings.SkipCidDelete)
 							{
-								SB.Append(fmt::format("      Attachment range:          {}-{}\n",
-													  Settings.AttachmentRangeMin,
-													  Settings.AttachmentRangeMax));
+								if (Settings.AttachmentRangeMin != IoHash::Zero || Settings.AttachmentRangeMax != IoHash::Max)
+								{
+									SB.Append(fmt::format("      Attachment range:          {}-{}\n",
+														  Settings.AttachmentRangeMin,
+														  Settings.AttachmentRangeMax));
+								}
+								SB.Append(fmt::format("      Cache attachment meta:     {}\n", Settings.StoreCacheAttachmentMetaData));
+								SB.Append(fmt::format("      Porject attachment meta:   {}\n", Settings.StoreProjectAttachmentMetaData));
 							}
 							SB.Append(fmt::format("      Cache cutoff time:         {}\n", Settings.CacheExpireTime));
 							SB.Append(fmt::format("      Project store cutoff time: {}", Settings.ProjectStoreExpireTime));