From dd23de9739ffa561b6589144316392a2ca674457 Mon Sep 17 00:00:00 2001
From: liukun <451564319@qq.com>
Date: Wed, 9 May 2018 15:28:58 +0800
Subject: [PATCH 1/2] update the go version

---
 scripts/check_requirement.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/scripts/check_requirement.sh b/scripts/check_requirement.sh
index cae7df70de0ee..28cff378ca087 100755
--- a/scripts/check_requirement.sh
+++ b/scripts/check_requirement.sh
@@ -25,13 +25,13 @@ function install_go {
     echo "Intall go ..."
     case "$OSTYPE" in 
         linux*) 
-            curl -L https://storage.googleapis.com/golang/go1.9.2.linux-amd64.tar.gz -o golang.tar.gz
+            curl -L https://storage.googleapis.com/golang/go1.10.2.linux-amd64.tar.gz -o golang.tar.gz
             ${SUDO} tar -C /usr/local -xzf golang.tar.gz
             rm golang.tar.gz
         ;;
 
         darwin*)
-            curl -L https://storage.googleapis.com/golang/go1.9.2.darwin-amd64.tar.gz -o golang.tar.gz
+            curl -L https://storage.googleapis.com/golang/go1.10.2.darwin-amd64.tar.gz -o golang.tar.gz
             ${SUDO} tar -C /usr/local -xzf golang.tar.gz
             rm golang.tar.gz
         ;;
@@ -94,8 +94,8 @@ if which go &>/dev/null; then
     # requires go >= 1.8
     GO_VER_1=`go version | awk 'match($0, /([0-9])+(\.[0-9])+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[1];}'`
     GO_VER_2=`go version | awk 'match($0, /([0-9])+(\.[0-9])+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[2];}'`
-    if [[ (($GO_VER_1 -eq 1 && $GO_VER_2 -lt 8)) || (($GO_VER_1 -lt 1)) ]]; then
-        echo "Please upgrade Go to 1.8 or later."
+    if [[ (($GO_VER_1 -eq 1 && $GO_VER_2 -lt 10)) || (($GO_VER_1 -lt 1)) ]]; then
+        echo "Please upgrade Go to 1.10 or later."
         exit 1
     fi
 else
@@ -115,4 +115,4 @@ else
     install_gpp
 fi
 
-echo OK
\ No newline at end of file
+echo OK

From 812f0367c9a900b9243baafe5c5e03c3bc60fe0f Mon Sep 17 00:00:00 2001
From: liukun <451564319@qq.com>
Date: Wed, 26 Sep 2018 11:42:06 +0800
Subject: [PATCH 2/2] add topsize command; change the default value of the
 limit to 16

---
 tools/pd-control.md | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/tools/pd-control.md b/tools/pd-control.md
index 7264bcd6ffc96..df542088c608f 100644
--- a/tools/pd-control.md
+++ b/tools/pd-control.md
@@ -463,60 +463,75 @@ Usage:
 
 ### `region topread [limit]`
 
-Use this command to list Regions with top read flow. The default value of the limit is 10.
+Use this command to list Regions with top read flow. The default value of the limit is 16.
 
 Usage:
 
 ```bash
 >> region topread
 {
-  "count": 10,
+  "count": 16,
   "regions": [......],
 }
 ```
 
 ### `region topwrite [limit]`
 
-Use this command to list Regions with top write flow. The default value of the limit is 10.
+Use this command to list Regions with top write flow. The default value of the limit is 16.
 
 Usage:
 
 ```bash
 >> region topwrite
 {
-  "count": 10,
+  "count": 16,
   "regions": [......],
 }
 ```
 
 ### `region topconfver [limit]`
 
-Use this command to list Regions with top conf version. The default value of the limit is 10.
+Use this command to list Regions with top conf version. The default value of the limit is 16.
 
 Usage:
 
 ```bash
 >> region topconfver
 {
-  "count": 10,
+  "count": 16,
   "regions": [......],
 }
 ```
 
 ### `region topversion [limit]`
 
-Use this command to list Regions with top version. The default value of the limit is 10.
+Use this command to list Regions with top version. The default value of the limit is 16.
 
 Usage:
 
 ```bash
 >> region topversion
 {
-  "count": 10,
+  "count": 16,
   "regions": [......],
 }
 ```
 
+### `region topsize [limit]`
+
+Use this command to list Regions with top approximate size. The default value of the limit is 16.
+
+Usage:
+
+```bash
+>> region topsize
+{
+   "count": 16,
+   "regions": [......],
+}
+
+```
+
 ### `region check [miss-peer | extra-peer | down-peer | pending-peer | incorrect-ns]`
 
 Use this command to check the Regions in abnormal conditions.