64 lines
2.4 KiB
Markdown
64 lines
2.4 KiB
Markdown
---
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{
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"title": "SHOW BACKUP",
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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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# SHOW BACKUP
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## description
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该语句用于查看 BACKUP 任务
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语法：
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SHOW BACKUP [FROM db_name]
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说明：
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1. Palo 中仅保存最近一次 BACKUP 任务。
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2. 各列含义如下：
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JobId： 唯一作业id
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SnapshotName： 备份的名称
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DbName： 所属数据库
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State： 当前阶段
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PENDING： 提交作业后的初始状态
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SNAPSHOTING： 执行快照中
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UPLOAD_SNAPSHOT：快照完成，准备上传
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UPLOADING： 快照上传中
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SAVE_META： 将作业元信息保存为本地文件
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UPLOAD_INFO： 上传作业元信息
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FINISHED： 作业成功
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CANCELLED： 作业失败
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BackupObjs： 备份的表和分区
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CreateTime： 任务提交时间
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SnapshotFinishedTime： 快照完成时间
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UploadFinishedTime： 快照上传完成时间
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FinishedTime： 作业结束时间
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UnfinishedTasks： 在 SNAPSHOTING 和 UPLOADING 阶段会显示还未完成的子任务id
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Status： 如果作业失败，显示失败信息
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Timeout： 作业超时时间，单位秒
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## example
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1. 查看 example_db 下最后一次 BACKUP 任务。
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SHOW BACKUP FROM example_db;
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## keyword
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SHOW, BACKUP
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