diff --git a/go.mod b/go.mod
index 352fba82..c40d492c 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	github.com/peterh/liner v1.2.1
 	github.com/streadway/amqp v1.0.0
 	github.com/tidwall/btree v0.4.2
-	github.com/tidwall/buntdb v1.2.1
+	github.com/tidwall/buntdb v1.2.2
 	github.com/tidwall/geoindex v1.4.3
 	github.com/tidwall/geojson v1.2.7
 	github.com/tidwall/gjson v1.7.4
diff --git a/go.sum b/go.sum
index 910dc65c..ff2ce65f 100644
--- a/go.sum
+++ b/go.sum
@@ -186,6 +186,8 @@ github.com/tidwall/btree v0.4.2 h1:aLwwJlG+InuFzdAPuBf9YCAR1LvSQ9zhC5aorFPlIPs=
 github.com/tidwall/btree v0.4.2/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
 github.com/tidwall/buntdb v1.2.1 h1:+s5TqjuAfo6IdMa8boDkCx5PzT2mlP5AwgNN4yxJba8=
 github.com/tidwall/buntdb v1.2.1/go.mod h1:4FUodsOaaFBuhPvQyTafaxVM5GFdQZnz98W3BaNmve4=
+github.com/tidwall/buntdb v1.2.2 h1:46G3ulKw8NYo0JAvsZkf7Xq1c8OHOPRuHQVTfL6z+lE=
+github.com/tidwall/buntdb v1.2.2/go.mod h1:+i/gBwYOHWG19wLgwMXFLkl00twh9+VWkkaOhuNQ4PA=
 github.com/tidwall/cities v0.1.0 h1:CVNkmMf7NEC9Bvokf5GoSsArHCKRMTgLuubRTHnH0mE=
 github.com/tidwall/cities v0.1.0/go.mod h1:lV/HDp2gCcRcHJWqgt6Di54GiDrTZwh1aG2ZUPNbqa4=
 github.com/tidwall/geoindex v1.4.3 h1:zowx7LtzibIE6JPbL6CRgVgw9qp13dJ8Pzfa4/f+4us=
diff --git a/vendor/github.com/tidwall/buntdb/buntdb.go b/vendor/github.com/tidwall/buntdb/buntdb.go
index 243e873a..9f17322b 100644
--- a/vendor/github.com/tidwall/buntdb/buntdb.go
+++ b/vendor/github.com/tidwall/buntdb/buntdb.go
@@ -861,6 +861,7 @@ func (db *DB) readLoad(rd io.Reader, modTime time.Time) (n int64, err error) {
 			}
 			// copy string
 			parts = append(parts, string(data[:n]))
+			cmdByteSize += int64(n + 2)
 		}
 		// finished reading the command
 
diff --git a/vendor/github.com/tidwall/buntdb/go.mod b/vendor/github.com/tidwall/buntdb/go.mod
index 85a2d8ec..cd77790c 100644
--- a/vendor/github.com/tidwall/buntdb/go.mod
+++ b/vendor/github.com/tidwall/buntdb/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/tidwall/btree v0.4.2
 	github.com/tidwall/gjson v1.7.4
 	github.com/tidwall/grect v0.1.1
+	github.com/tidwall/lotsa v1.0.2
 	github.com/tidwall/match v1.0.3
 	github.com/tidwall/rtred v0.1.2
 )
diff --git a/vendor/github.com/tidwall/buntdb/go.sum b/vendor/github.com/tidwall/buntdb/go.sum
index 38dd895f..8cf5f843 100644
--- a/vendor/github.com/tidwall/buntdb/go.sum
+++ b/vendor/github.com/tidwall/buntdb/go.sum
@@ -4,6 +4,8 @@ github.com/tidwall/gjson v1.7.4 h1:19cchw8FOxkG5mdLRkGf9jqIqEyqdZhPqW60XfyFxk8=
 github.com/tidwall/gjson v1.7.4/go.mod h1:5/xDoumyyDNerp2U36lyolv46b3uF/9Bu6OfyQ9GImk=
 github.com/tidwall/grect v0.1.1 h1:+kMEkxhoqB7rniVXzMEIA66XwU07STgINqxh+qVIndY=
 github.com/tidwall/grect v0.1.1/go.mod h1:CzvbGiFbWUwiJ1JohXLb28McpyBsI00TK9Y6pDWLGRQ=
+github.com/tidwall/lotsa v1.0.2 h1:dNVBH5MErdaQ/xd9s769R31/n2dXavsQ0Yf4TMEHHw8=
+github.com/tidwall/lotsa v1.0.2/go.mod h1:X6NiU+4yHA3fE3Puvpnn1XMDrFZrE9JO2/w+UMuqgR8=
 github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
 github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
 github.com/tidwall/pretty v1.1.0 h1:K3hMW5epkdAVwibsQEfR/7Zj0Qgt4DxtNumTq/VloO8=
diff --git a/vendor/github.com/tidwall/lotsa/lotsa.go b/vendor/github.com/tidwall/lotsa/lotsa.go
index 7071b0ae..4f16fe3e 100644
--- a/vendor/github.com/tidwall/lotsa/lotsa.go
+++ b/vendor/github.com/tidwall/lotsa/lotsa.go
@@ -49,9 +49,14 @@ func Ops(count, threads int, op func(i, thread int)) {
 		dur := time.Since(start)
 		var alloc uint64
 		if MemUsage {
+			runtime.GC()
 			var ms2 runtime.MemStats
 			runtime.ReadMemStats(&ms2)
-			alloc = ms2.HeapAlloc - ms1.HeapAlloc
+			if ms1.HeapAlloc > ms2.HeapAlloc {
+				alloc = 0
+			} else {
+				alloc = ms2.HeapAlloc - ms1.HeapAlloc
+			}
 		}
 		WriteOutput(output, count, threads, dur, alloc)
 	}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 5d26ef08..257177be 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -117,7 +117,7 @@ github.com/streadway/amqp
 # github.com/tidwall/btree v0.4.2
 ## explicit
 github.com/tidwall/btree
-# github.com/tidwall/buntdb v1.2.1
+# github.com/tidwall/buntdb v1.2.2
 ## explicit
 github.com/tidwall/buntdb
 # github.com/tidwall/cities v0.1.0
@@ -137,7 +137,7 @@ github.com/tidwall/geojson/geometry
 github.com/tidwall/gjson
 # github.com/tidwall/grect v0.1.1
 github.com/tidwall/grect
-# github.com/tidwall/lotsa v1.0.1
+# github.com/tidwall/lotsa v1.0.2
 github.com/tidwall/lotsa
 # github.com/tidwall/match v1.0.3
 ## explicit