From a363ea7db7c27f749cdec63caf7493bc9a5aad2a Mon Sep 17 00:00:00 2001
From: boshen-dev <68277460+boshen-dev@users.noreply.github.com>
Date: Thu, 3 Dec 2020 09:13:12 +0800
Subject: [PATCH] Updated Run Presto on SeaweedFS (markdown)

---
 Run-Presto-on-SeaweedFS.md | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/Run-Presto-on-SeaweedFS.md b/Run-Presto-on-SeaweedFS.md
index f1788dc..089c5ed 100644
--- a/Run-Presto-on-SeaweedFS.md
+++ b/Run-Presto-on-SeaweedFS.md
@@ -10,7 +10,7 @@ The installation steps are divided into 2 steps:
 cp seaweedfs-hadoop2-client-1.5.6.jar /opt/hadoop/share/hadoop/common/lib/
 cp seaweedfs-hadoop2-client-1.5.6.jar /opt/hive-metastore/lib/
 ```
-2. Modify core-site.xml
+2. Modify core-site.xml  
 modify core-site.xml to support SeaweedFS, 30888 is the filer port
 ```
 <configuration>
@@ -32,8 +32,9 @@ modify core-site.xml to support SeaweedFS, 30888 is the filer port
 	</property>
 </configuration>
 ```
-3. Modify hive-site.xml
-modify hive-site.xml to support SeaweedFS, need to manually create the /presto/warehouse directory in Filer
+3. Modify hive-site.xml  
+modify hive-site.xml to support SeaweedFS, need to manually create the /presto/warehouse directory in Filer  
+metastore.thrift.port is the access port exposed by the Hive Metadata service itself
 ```
 	<property>
 	    <name>metastore.warehouse.dir</name>
@@ -83,17 +84,35 @@ hive.metastore.uri is the service address of the previously deployed Hive Metast
 hive.config.resources points to the core-site.xml above
 ```
 connector.name=hive-hadoop2
-hive.metastore.uri=thrift://10.0.100.51:39768
+hive.metastore.uri=thrift://10.0.100.51:9850
 hive.allow-drop-table=true
 hive.max-partitions-per-scan=1000000
 hive.compression-codec=NONE
 hive.config.resources=/opt/presto-server-347/etc/catalog/core-site.xml
 ```
+4. Modify config.properties 
+The default port of presto is 8080  
+If you want to modify the default port of the Presto service, you can modify /opt/presto-server-347/etc/config.properties  
+Need to modify the ports of http-server.http.port and discovery.uri
+
+```
+coordinator=true
+node-scheduler.include-coordinator=true
+http-server.http.port=8080
+query.max-memory=200GB
+query.max-memory-per-node=8GB
+query.max-total-memory-per-node=10GB
+query.max-stage-count=200
+task.writer-count=4
+discovery-server.enabled=true
+discovery.uri=http://10.0.100.51:8080
+```
 
 # Using Examples
-1. Connect to Presto and create a table boshen
+1. Connect to Presto and create a table boshen  
+--server is the ip and port of the Presto service
 ```
-[root@cluster9 ~]# ./presto --server 10.0.100.51:42174 --catalog hive --schema default
+[root@cluster9 ~]# ./presto --server 10.0.100.51:8080--catalog hive --schema default
 presto:default> create table boshen(name varchar);
 CREATE TABLE
 presto:default>