Timing info and updated docs

cli/chain.go

@@ -1595,6 +1595,7 @@ var ChainPruneCmd = &cli.Command{
 	Subcommands: []*cli.Command{
 		chainPruneColdCmd,
 		chainPruneHotGCCmd,
+		chainPruneHotMovingGCCmd,
 	},
 }
 
@@ -1616,7 +1617,11 @@ var chainPruneHotGCCmd = &cli.Command{
 		opts.Periodic = cctx.Bool("periodic")
 		opts.Threshold = cctx.Float64("threshold")
 
-		return api.ChainHotGC(ctx, opts)
+		gcStart := time.Now()
+		err = api.ChainHotGC(ctx, opts)
+		gcTime := time.Since(gcStart)
+		fmt.Printf("Online GC took %v (periodic <%t> threshold <%f>)", gcTime, opts.Periodic, opts.Threshold)
+		return err
 	},
 }
 
@@ -1632,7 +1637,12 @@ var chainPruneHotMovingGCCmd = &cli.Command{
 		ctx := ReqContext(cctx)
 		opts := lapi.HotGCOpts{}
 		opts.Moving = true
-		return api.ChainHotGC(ctx, opts)
+
+		gcStart := time.Now()
+		err = api.ChainHotGC(ctx, opts)
+		gcTime := time.Since(gcStart)
+		fmt.Printf("Moving GC took %v", gcTime)
+		return err
 	},
 }
 

documentation/en/api-v1-unstable-methods.md

@@ -1087,7 +1087,8 @@ Inputs:
 [
   {
     "Threshold": 12.3,
-    "Periodic": true
+    "Periodic": true,
+    "Moving": true
   }
 ]
 ```

documentation/en/cli-lotus.md

@@ -2473,6 +2473,7 @@ USAGE:
 COMMANDS:
      compact-cold  force splitstore compaction on cold store state and run gc
      hot           run online (badger vlog) garbage collection on hotstore
+     hot-moving    run moving gc on hotstore
      help, h       Shows a list of commands or help for one command
 
 OPTIONS:
@@ -2509,6 +2510,19 @@ OPTIONS:
    
 ```
 
+#### lotus chain prune hot-moving
+```
+NAME:
+   lotus chain prune hot-moving - run moving gc on hotstore
+
+USAGE:
+   lotus chain prune hot-moving [command options] [arguments...]
+
+OPTIONS:
+   --help, -h  show help (default: false)
+   
+```
+
 ## lotus log
 ```
 NAME: