83 lines
3.4 KiB
Markdown
83 lines
3.4 KiB
Markdown
---
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{
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"title": "SET PROPERTY",
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"language": "zh-CN"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# SET PROPERTY
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## description
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Syntax:
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SET PROPERTY [FOR 'user'] 'key' = 'value' [, 'key' = 'value']
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设置用户的属性，包括分配给用户的资源、导入cluster等。这里设置的用户属性，是针对 user 的，而不是 user_identity。即假设通过 CREATE USER 语句创建了两个用户 'jack'@'%' 和 'jack'@'192.%'，则使用 SET PROPERTY 语句，只能针对 jack 这个用户，而不是 'jack'@'%' 或 'jack'@'192.%'
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导入 cluster 仅适用于百度内部用户。
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key:
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超级用户权限:
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max_user_connections: 最大连接数。
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resource.cpu_share: cpu资源分配。
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load_cluster.{cluster_name}.priority: 为指定的cluster分配优先级，可以为 HIGH 或 NORMAL
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普通用户权限：
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quota.normal: normal级别的资源分配。
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quota.high: high级别的资源分配。
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quota.low: low级别的资源分配。
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load_cluster.{cluster_name}.hadoop_palo_path: palo使用的hadoop目录，需要存放etl程序及etl生成的中间数据供palo导入。导入完成后会自动清理中间数据，etl程序自动保留下次使用。
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load_cluster.{cluster_name}.hadoop_configs: hadoop的配置，其中fs.default.name、mapred.job.tracker、hadoop.job.ugi必须填写。
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load_cluster.{cluster_name}.hadoop_http_port: hadoop hdfs name node http端口。其中 hdfs 默认为8070，afs 默认 8010。
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default_load_cluster: 默认的导入cluster。
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## example
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1. 修改用户 jack 最大连接数为1000
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SET PROPERTY FOR 'jack' 'max_user_connections' = '1000';
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2. 修改用户 jack 的cpu_share为1000
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SET PROPERTY FOR 'jack' 'resource.cpu_share' = '1000';
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3. 修改 jack 用户的normal组的权重
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SET PROPERTY FOR 'jack' 'quota.normal' = '400';
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4. 为用户 jack 添加导入cluster
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SET PROPERTY FOR 'jack'
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'load_cluster.{cluster_name}.hadoop_palo_path' = '/user/palo/palo_path',
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'load_cluster.{cluster_name}.hadoop_configs' = 'fs.default.name=hdfs://dpp.cluster.com:port;mapred.job.tracker=dpp.cluster.com:port;hadoop.job.ugi=user,password;mapred.job.queue.name=job_queue_name_in_hadoop;mapred.job.priority=HIGH;';
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5. 删除用户 jack 下的导入cluster。
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SET PROPERTY FOR 'jack' 'load_cluster.{cluster_name}' = '';
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6. 修改用户 jack 默认的导入cluster
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SET PROPERTY FOR 'jack' 'default_load_cluster' = '{cluster_name}';
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7. 修改用户 jack 的集群优先级为 HIGH
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SET PROPERTY FOR 'jack' 'load_cluster.{cluster_name}.priority' = 'HIGH';
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## keyword
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SET, PROPERTY
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