1. rename submodule to polardbx-glue

2. optimize startup.sh jvm args
3. optimize entrypoint.sh

Author: agapple

Diff for: .gitmodules

@@ -1,3 +1,3 @@
 [submodule "polardbx-rpc"]
 	path = polardbx-rpc
-	url = https://github.com/ApsaraDB/galaxyglue.git
+	url = https://github.com/polardb/polardbx-glue.git

Diff for: docker/entrypoint.sh

@@ -17,7 +17,7 @@
 GALAXYSQL_HOME=/home/admin/drds-server
 
 function galaxysql_pid() {
-  jps | grep Tddl | cut -d ' ' -f 1
+  ps auxf | grep java | grep TddlLauncher | awk '{print $2}'
 }
 
 function kill_and_clean() {

Diff for: polardbx-server/src/main/bin/startup.sh

@@ -398,22 +398,26 @@ if [ -n "$str" ]; then
         freecount=`expr $memory / 1024 / 1024`
     fi
 
-    if [ $freecount -lt 2048 ] ; then
-        JAVA_OPTS="-server -Xms1024m -Xmx1024m "
-    elif [ $freecount -le 4096 ] ; then
-        JAVA_OPTS="-server -Xms2g -Xmx2g "
-    elif [ $freecount -le 8192 ] ; then
-        JAVA_OPTS="-server -Xms4g -Xmx4g "
-    elif [ $freecount -le 16384 ] ; then
-        JAVA_OPTS="-server -Xms10g -Xmx10g -XX:MaxDirectMemorySize=3g"
-    elif [ $freecount -le 32768 ] ; then
-        JAVA_OPTS="-server -Xms24g -Xmx24g -XX:MaxDirectMemorySize=6g"
-    elif [ $freecount -le 65536 ] ; then
-        JAVA_OPTS="-server -Xms50g -Xmx50g -XX:MaxDirectMemorySize=12g"
-    elif [ $freecount -le 131072 ] ; then
+    if [ $freecount -ge 131072 ] ; then
         JAVA_OPTS="-server -Xms110g -Xmx110g -XX:MaxDirectMemorySize=24g"
-    elif [ $freecount -gt 131072 ] ; then
-        JAVA_OPTS="-server -Xms120g -Xmx120g -XX:MaxDirectMemorySize=32g"
+    elif [ $freecount -ge 65536 ] ; then
+        JAVA_OPTS="-server -Xms50g -Xmx50g -XX:MaxDirectMemorySize=12g"
+    elif [ $freecount -ge 32768  ] ; then
+        JAVA_OPTS="-server -Xms24g -Xmx24g -XX:MaxDirectMemorySize=6g"
+    elif [ $freecount -ge 16384  ] ; then
+        JAVA_OPTS="-server -Xms10g -Xmx10g -XX:MaxDirectMemorySize=3g"
+    elif [ $freecount -ge 8192 ] ; then
+        JAVA_OPTS="-server -Xms4g -Xmx4g "
+    elif [ $freecount -ge 4096 ] ; then
+        JAVA_OPTS="-server -Xms2g -Xmx2g "
+    elif [ $freecount -ge 2048 ] ; then
+        JAVA_OPTS="-server -Xms1024m -Xmx1024m "
+    elif [ $freecount -ge 1024 ] ; then
+        JAVA_OPTS="-server -Xms512m -Xmx512m "
+    elif [ $freecount -ge 512 ] ; then
+        JAVA_OPTS="-server -Xms256m -Xmx256m "
+    elif [ $freecount -ge 256 ] ; then
+        JAVA_OPTS="-server -Xms128m -Xmx128m "
     fi
 else
 	echo "not support 32-bit java startup"