diff --git a/.travis.yml b/.travis.yml
index 3be91295ba..f49be75d07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,8 @@ cache:
 
 before_install:
     - wget https://raw.githubusercontent.com/xiaomi/pegasus-common/master/build-depends.tar.gz
-    - tar xf build-depends.tar.gz
+    - tar xfz build-depends.tar.gz
+    - rm -f build-depends.tar.gz
     - cd packages
     - ls | xargs sudo dpkg -i --force-depends
     - cd ..
@@ -33,13 +34,16 @@ install:
 before_script:
     - cd rdsn/thirdparty
     - wget https://raw.githubusercontent.com/xiaomi/pegasus-common/master/pegasus-thirdparty-prebuild.tar.gz
-    - tar xf pegasus-thirdparty-prebuild.tar.gz
-    - rm -rf pegasus-thirdparty-prebuild.tar.gz
+    - tar xfz pegasus-thirdparty-prebuild.tar.gz
+    - rm -f pegasus-thirdparty-prebuild.tar.gz
     - cd ../..
     - ulimit -c unlimited -S
 
 script:
-    - ./run.sh build && ./run.sh test
+    - ./run.sh build --skip_thirdparty && ./run.sh test
+
+after_script:
+    - ./run.sh stop_zk
 
 notifications:
     email: false
diff --git a/run.sh b/run.sh
index 3839b85552..a74974118f 100755
--- a/run.sh
+++ b/run.sh
@@ -71,6 +71,7 @@ function usage_build()
     echo "   -v|--verbose          build in verbose mode, default no"
     echo "   --disable_gperf       build without gperftools, this flag is mainly used"
     echo "                         to enable valgrind memcheck, default no"
+    echo "   --skip_thirdparty     whether to skip building thirdparties, default no"
 }
 function run_build()
 {
@@ -85,6 +86,8 @@ function run_build()
     WARNING_ALL=NO
     ENABLE_GCOV=NO
     RUN_VERBOSE=NO
+    DISABLE_GPERF=NO
+    SKIP_THIRDPARTY=NO
     TEST_MODULE=""
     while [[ $# > 0 ]]; do
         key="$1"
@@ -136,7 +139,9 @@ function run_build()
                 ;;
             --disable_gperf)
                 DISABLE_GPERF=YES
-                shift
+                ;;
+            --skip_thirdparty)
+                SKIP_THIRDPARTY=YES
                 ;;
             *)
                 echo "ERROR: unknown option \"$key\""
@@ -192,6 +197,9 @@ function run_build()
     if [ "$DISABLE_GPERF" == "YES" ]; then
         OPT="$OPT --disable_gperf"
     fi
+    if [ "$SKIP_THIRDPARTY" == "YES" ]; then
+        OPT="$OPT --skip_thirdparty"
+    fi
     ./run.sh build $OPT --notest
     if [ $? -ne 0 ]; then
         echo "ERROR: build rdsn failed"
diff --git a/scripts/clear_zk.sh b/scripts/clear_zk.sh
index cbe07f3d82..5d7029479b 100755
--- a/scripts/clear_zk.sh
+++ b/scripts/clear_zk.sh
@@ -19,4 +19,3 @@ then
     rm -rf $ZOOKEEPER_HOME/data &>/dev/null
     echo "Clearing zookeeper ... CLEARED"
 fi
-
diff --git a/scripts/start_zk.sh b/scripts/start_zk.sh
index 560057f345..fcc5b89eb4 100755
--- a/scripts/start_zk.sh
+++ b/scripts/start_zk.sh
@@ -30,7 +30,7 @@ if [ ! -f zookeeper-3.4.6.tar.gz ]; then
     download_url="http://git.n.xiaomi.com/pegasus/packages/raw/master/zookeeper-3.4.6.tar.gz"
     wget -T 5 -t 1 $download_url
     if [ $? -ne 0 ]; then
-        download_url="https://github.com/shengofsun/packages/raw/master/zookeeper-3.4.6.tar.gz"
+        download_url="https://github.com/xiaomi/pegasus-common/raw/master/zookeeper-3.4.6.tar.gz"
         wget -T 5 -t 1 $download_url
         if [ $? -ne 0 ]; then
             echo "ERROR: download zookeeper failed"
@@ -57,7 +57,7 @@ sed -i "s@clientPort=2181@clientPort=$ZOOKEEPER_PORT@" $ZOOKEEPER_HOME/conf/zoo.
 
 mkdir -p $ZOOKEEPER_HOME/data
 $ZOOKEEPER_HOME/bin/zkServer.sh start
-sleep 0.1
+sleep 1
 
 if echo ruok | nc localhost $ZOOKEEPER_PORT | grep -q imok; then
     echo "Zookeeper started at port $ZOOKEEPER_PORT"
@@ -66,4 +66,3 @@ else
     echo "ERROR: start zookeeper failed"
     exit 1
 fi
- 
diff --git a/scripts/stop_zk.sh b/scripts/stop_zk.sh
index bf6ea49920..36729ebb51 100755
--- a/scripts/stop_zk.sh
+++ b/scripts/stop_zk.sh
@@ -17,4 +17,3 @@ if [ -d "$ZOOKEEPER_HOME" ]
 then
     $ZOOKEEPER_HOME/bin/zkServer.sh stop
 fi
-
diff --git a/src/server/config.ini b/src/server/config.ini
index 179a661b17..b3dcb6f877 100644
--- a/src/server/config.ini
+++ b/src/server/config.ini
@@ -267,7 +267,7 @@
   rocksdb_level0_slowdown_writes_trigger = 30
   rocksdb_level0_stop_writes_trigger = 60
   rocksdb_disable_table_block_cache = false
-  rocksdb_compression_type = snappy
+  rocksdb_compression_type = lz4
 
   checkpoint_reserve_min_count = 3
   checkpoint_reserve_time_seconds = 3600