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配置Hiveserver2的訪問協議，http或者tcp線程
<property>code
<name>hive.server2.transport.mode</name>server
<value>binary</value>隊列
<description>Server transport mode. "binary" or "http".</description>進程
</property>
對應http協議的訪問端口
<property>
<name>hive.server2.thrift.http.port</name>
<value>10001</value>
<description>Port number when in HTTP mode.</description>
</property>
對應tcp協議的訪問端口
<property>
<name>hive.server2.thrift.port</name>
<value>10001</value>
<description>Port number when in TCP mode.</description>
</property>
對應在http協議下線程池的線程數
<property>
<name>hive.server2.thrift.http.min.worker.threads</name>
<value>5</value>
<description>Minimum number of worker threads when in HTTP mode.</description>
</property>
<property>
<name>hive.server2.thrift.http.max.worker.threads</name>
<value>500</value>
<description>Maximum number of worker threads when in HTTP mode.</description>
</property>
對應在tcp協議下的線程池的線程數：
<property>
<name>hive.server2.thrift.min.worker.threads</name>
<value>5</value>
<description>Minimum number of worker threads when in TCP mode.</description>
</property>
<property>
<name>hive.server2.thrift.max.worker.threads</name>
<value>500</value>
<description>Maximum number of worker threads when in TCP mode.</description>
</property>
配置metastore server的地址
<property>
<name>hive.metastore.uris</name>
<value></value>
<description>Thrift URI for the remote metastore. Used by metastore client to connect to remote metastore.</description>
</property>
配置異步線程池的線程數
<property>
<name>hive.server2.async.exec.threads</name>
<value>100</value>
<description>Number of threads in the async thread pool for HiveServer2</description>
</property>
配置異步線程結束的超時時間(超過這個時間HS會退出)：
<property>
<name>hive.server2.async.exec.shutdown.timeout</name>
<value>10</value>
<description>Time (in seconds) for which HiveServer2 shutdown will wait for async
threads to terminate</description>
</property>
配置異步線程的等待超時時間（超過這個值線程會被回收）
<property>
<name>hive.server2.async.exec.keepalive.time</name>
<value>10</value>
<description>Time (in seconds) that an idle HiveServer2 async thread (from the thread pool) will wait
for a new task to arrive before terminating</description>
</property>
<property>
<name>hive.server2.long.polling.timeout</name>
<value>5000L</value>
<description>Time in milliseconds that HiveServer2 will wait, before responding to asynchronous calls that use long polling</description>
</property>
配置請求緩衝隊列的長度
<property>
<name>hive.server2.async.exec.wait.queue.size</name>
<value>100</value>
<description>Size of the wait queue for async thread pool in HiveServer2.
After hitting this limit, the async thread pool will reject new requests.</description>
</property>
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能夠看到HS的進程和MetaStore的進程是在一個虛擬機裏面的，並且從圖中能夠看出，一個HS服務同時只能提供一個訪問鏈接。tcp