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Downloads
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<p class="menu-label">Building Pegasus</p>
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Compile by docker (recommended)
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Compile from source
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Java Client
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C++ Client
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Golang Client
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Python Client
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NodeJS Client
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Scala Client
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Pegasus Shell
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Admin CLI
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Pegasus data access CLI
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<p class="menu-label">API</p>
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<li>
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TTL(Time To Live)
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Single-Atomic Operations
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Redis Adaption
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GEO Support
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HTTP API
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Deployment
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Rebalance
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Monitoring
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Rolling Restart and Upgrade
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Scale-in and Scale-out
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Resource Management
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Cold Backup
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Metadata Recovery
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Replica Data Recovery
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Zookeeper Migration
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Table Migration
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Table Soft-Delete
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<a href="/administration/table-env"
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Table Environment Variables
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Remote Command
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<a href="/administration/partition-split"
class="">
Partition-Split
</a>
</li>
<li>
<a href="/administration/duplication"
class="">
Duplication
</a>
</li>
<li>
<a href="/administration/compression"
class="">
Data Compression
</a>
</li>
<li>
<a href="/administration/throttling"
class="">
Throttling
</a>
</li>
<li>
<a href="/administration/experiences"
class="">
Experiences
</a>
</li>
<li>
<a href="/administration/manual-compact"
class="">
Manual Compact
</a>
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<a href="/administration/usage-scenario"
class="">
Usage Scenario
</a>
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<a href="/administration/bad-disk"
class="">
Bad Disk Repair
</a>
</li>
<li>
<a href="/administration/whitelist"
class="">
Replica Server Whitelist
</a>
</li>
<li>
<a href="/administration/backup-request"
class="">
Backup Request
</a>
</li>
<li>
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class="">
Hotspot Detection
</a>
</li>
</ul>
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</div>
<!-- main section -->
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<nav class="navbar is-hidden-desktop">
<div class="navbar-brand">
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class="navbar-link ">
<span>
The Pegasus documentation
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</a>
<div class="navbar-dropdown">
<a href="/docs/downloads"
class="navbar-item ">
Downloads
</a>
</div>
</div>
<!--dropdown-->
<div class="navbar-item has-dropdown is-hoverable">
<a href=""
class="navbar-link ">
<span>
Building Pegasus
</span>
</a>
<div class="navbar-dropdown">
<a href="/docs/build/compile-by-docker"
class="navbar-item ">
Compile by docker (recommended)
</a>
<a href="/docs/build/compile-from-source"
class="navbar-item ">
Compile from source
</a>
</div>
</div>
<!--dropdown-->
<div class="navbar-item has-dropdown is-hoverable">
<a href=""
class="navbar-link ">
<span>
Client Libs
</span>
</a>
<div class="navbar-dropdown">
<a href="/clients/java-client"
class="navbar-item ">
Java Client
</a>
<a href="/clients/cpp-client"
class="navbar-item ">
C++ Client
</a>
<a href="https://github.com/apache/incubator-pegasus/tree/master/go-client"
class="navbar-item ">
Golang Client
</a>
<a href="/clients/python-client"
class="navbar-item ">
Python Client
</a>
<a href="/clients/node-client"
class="navbar-item ">
NodeJS Client
</a>
<a href="/clients/scala-client"
class="navbar-item ">
Scala Client
</a>
</div>
</div>
<!--dropdown-->
<div class="navbar-item has-dropdown is-hoverable">
<a href=""
class="navbar-link ">
<span>
Tools
</span>
</a>
<div class="navbar-dropdown">
<a href="/docs/tools/shell"
class="navbar-item ">
Pegasus Shell
</a>
<a href="https://github.com/pegasus-kv/admin-cli"
class="navbar-item ">
Admin CLI
</a>
<a href="https://github.com/pegasus-kv/pegic"
class="navbar-item ">
Pegasus data access CLI
</a>
</div>
</div>
<!--dropdown-->
<div class="navbar-item has-dropdown is-hoverable">
<a href=""
class="navbar-link ">
<span>
API
</span>
</a>
<div class="navbar-dropdown">
<a href="/api/ttl"
class="navbar-item ">
TTL(Time To Live)
</a>
<a href="/api/single-atomic"
class="navbar-item ">
Single-Atomic Operations
</a>
<a href="/api/redis"
class="navbar-item ">
Redis Adaption
</a>
<a href="/api/geo"
class="navbar-item ">
GEO Support
</a>
<a href="/api/http"
class="navbar-item ">
HTTP API
</a>
</div>
</div>
<!--dropdown-->
<div class="navbar-item has-dropdown is-hoverable">
<a href=""
class="navbar-link ">
<span>
Admin
</span>
</a>
<div class="navbar-dropdown">
<a href="/administration/deployment"
class="navbar-item ">
Deployment
</a>
<a href="/administration/config"
class="navbar-item ">
Configurations
</a>
<a href="/administration/rebalance"
class="navbar-item ">
Rebalance
</a>
<a href="/administration/monitoring"
class="navbar-item ">
Monitoring
</a>
<a href="/administration/rolling-update"
class="navbar-item ">
Rolling Restart and Upgrade
</a>
<a href="/administration/scale-in-out"
class="navbar-item ">
Scale-in and Scale-out
</a>
<a href="/administration/resource-management"
class="navbar-item ">
Resource Management
</a>
<a href="/administration/cold-backup"
class="navbar-item ">
Cold Backup
</a>
<a href="/administration/meta-recovery"
class="navbar-item ">
Metadata Recovery
</a>
<a href="/administration/replica-recovery"
class="navbar-item ">
Replica Data Recovery
</a>
<a href="/administration/zk-migration"
class="navbar-item ">
Zookeeper Migration
</a>
<a href="/administration/table-migration"
class="navbar-item ">
Table Migration
</a>
<a href="/administration/table-soft-delete"
class="navbar-item ">
Table Soft-Delete
</a>
<a href="/administration/table-env"
class="navbar-item ">
Table Environment Variables
</a>
<a href="/administration/remote-commands"
class="navbar-item ">
Remote Command
</a>
<a href="/administration/partition-split"
class="navbar-item ">
Partition-Split
</a>
<a href="/administration/duplication"
class="navbar-item ">
Duplication
</a>
<a href="/administration/compression"
class="navbar-item ">
Data Compression
</a>
<a href="/administration/throttling"
class="navbar-item ">
Throttling
</a>
<a href="/administration/experiences"
class="navbar-item ">
Experiences
</a>
<a href="/administration/manual-compact"
class="navbar-item ">
Manual Compact
</a>
<a href="/administration/usage-scenario"
class="navbar-item ">
Usage Scenario
</a>
<a href="/administration/bad-disk"
class="navbar-item ">
Bad Disk Repair
</a>
<a href="/administration/whitelist"
class="navbar-item ">
Replica Server Whitelist
</a>
<a href="/administration/backup-request"
class="navbar-item ">
Backup Request
</a>
<a href="/administration/hotspot-detection"
class="navbar-item ">
Hotspot Detection
</a>
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<section class="hero is-info lg:mr-3">
<div class="hero-body">
<p class="title is-size-2 is-centered">API</p>
</div>
</section>
<section class="section" style="padding-top: 2rem;">
<div class="content">
<p>这里介绍Pegasus服务所提供的用户接口。客户端可以在我们的服务接口上做二次封装。
通常你只需要通过 <a href="/clients">客户端文档</a> 学习如何与Pegasus交互。</p>
<p>当前Pegasus支持几种接口协议：</p>
<h2 id="pegasus-协议">Pegasus 协议</h2>
<p>这也是我们的客户端与Pegasus服务端交互所使用的协议。我们通过该协议暴露了</p>
<ul>
<li>
<p>单行幂等原子操作，如 set/get/del/ttl…</p>
</li>
<li>
<p>单行非幂等原子操作，如 check_and_mutate/incr…</p>
</li>
<li>
<p>多行幂等原子操作，如 multiset/multiget/multidel…</p>
</li>
<li>
<p>支持过滤的扫描操作，如 hash_scan/unordered_scan…</p>
</li>
</ul>
<h2 id="redis-协议">Redis 协议</h2>
<p>我们通过Pegasus Redis Proxy这一组件在Pegasus协议之上支持了Redis协议。
你可以阅读 <a href="/redis">Redis适配</a> 了解更多。</p>
<p>因为Redis接口提供了GEO支持，我们也借此支持了地理信息查询的功能。
你可以阅读 <a href="/geo">GEO支持</a> 了解更多。</p>
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<a href="http://incubator.apache.org">
<img src="/assets/images/egg-logo.png"
width="15%"
alt="Apache Incubator"/>
</a>
</div>
Copyright &copy; 2023 <a href="http://www.apache.org">The Apache Software Foundation</a>.
Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version
2.0</a>.
<br><br>
Apache Pegasus is an effort undergoing incubation at The Apache Software Foundation (ASF),
sponsored by the Apache Incubator. Incubation is required of all newly accepted projects
until a further review indicates that the infrastructure, communications, and decision making process
have stabilized in a manner consistent with other successful ASF projects. While incubation status is
not necessarily a reflection of the completeness or stability of the code, it does indicate that the
project has yet to be fully endorsed by the ASF.
<br><br>
Apache Pegasus, Pegasus, Apache, the Apache feather logo, and the Apache Pegasus project logo are either
registered trademarks or trademarks of The Apache Software Foundation in the United States and other
countries.
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Table of contents
</p>
<ul class="menu-list">
<li><a href="#pegasus-协议">Pegasus 协议</a></li>
<li><a href="#redis-协议">Redis 协议</a></li>
</ul>
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