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| <h1 title="Package" class="title">Package org.apache.hadoop.hbase.thrift</h1> |
| <div class="docSummary"> |
| <div class="block">Provides an HBase <a href="http://incubator.apache.org/thrift/">Thrift</a> |
| service.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
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| <h2 title="Package org.apache.hadoop.hbase.thrift Description">Package org.apache.hadoop.hbase.thrift Description</h2> |
| <div class="block">Provides an HBase <a href="http://incubator.apache.org/thrift/">Thrift</a> |
| service. |
| |
| This directory contains a Thrift interface definition file for an HBase RPC |
| service and a Java server implementation. |
| |
| |
| <h2><a name="whatisthrift">What is Thrift?</a></h2> |
| <p><blockquote>"Thrift is a software framework for scalable cross-language services development. |
| It combines a software stack with a code generation engine to build services |
| that work efficiently and seamlessly between C++, Java, Python, PHP, Ruby, |
| Erlang, Perl, Haskell, C#, Cocoa, Smalltalk, and OCaml."</blockquote> |
| |
| <h2>Important note</h2> |
| <p><b><u>We tried to deprecate this Thrift interface and replace it |
| with the Interface defined over in the thrift2 package only this package will not die. |
| Folks keep adding to it and fixing it up so its around for another while until someone |
| takes command and drives this package out of existence replacing it w/ an Interface that |
| better matches the hbase API (this package was modelled on old HBase API long since dropped). |
| </u></b></p> |
| |
| <h2><a name="description">Description</a></h2> |
| <p>The org.apache.hadoop.hbase.thrift.generated.Hbase.Iface HBase API is defined in the |
| file <a href="doc-files/index.html">Hbase.thrift</a> (Click the former to see the |
| thrift generated documentation of thrift interface). A server-side implementation of the API is in |
| <code>ThriftServer</code>. The generated interfaces, |
| types, and RPC utility files reside in the |
| org.apache.hadoop.hbase.thrift.generated package. |
| </p> |
| |
| <p>To start ThriftServer, use: |
| <pre> |
| ./bin/hbase-daemon.sh start thrift |
| </pre> |
| |
| <p>To stop, use: |
| <pre> |
| ./bin/hbase-daemon.sh stop thrift |
| </pre> |
| |
| These are the command line arguments the Thrift server understands in addition to <code>start</code> and <code>stop</code>: |
| <dl> |
| <dt><code>-b, --bind</code></dt> |
| <dd>Address to bind the Thrift server to. Not supported by the Nonblocking and HsHa server [default: <code>0.0.0.0</code>]</dd> |
| |
| <dt><code>-p, --port</code></dt> |
| <dd>Port to bind to [default: <code>9090</code>]</dd> |
| |
| <dt><code>-f, --framed</code></dt> |
| <dd>Use framed transport (implied when using one of the non-blocking servers)</dd> |
| |
| <dt><code>-c, --compact</code></dt> |
| <dd>Use the compact protocol [default: binary protocol]</dd> |
| |
| <dt><code>-h, --help</code></dt> |
| <dd>Displays usage information for the Thrift server</dd> |
| |
| <dt><code>-threadpool</code></dt> |
| <dd>Use the TThreadPoolServer. This is the default.</dd> |
| |
| <dt><code>-hsha</code></dt> |
| <dd>Use the THsHaServer. This implies the framed transport.</dd> |
| |
| <dt><code>-nonblocking</code></dt> |
| <dd>Use the TNonblockingServer. This implies the framed transport.</dd> |
| </dl> |
| |
| <h3><a name="details">Details</a></h3> |
| |
| <p>HBase currently uses version 0.9.0 of Apache Thrift.</p> |
| |
| <p>The files were generated by running the commands under the hbase checkout dir: |
| <pre> |
| mvn compile -Pcompile-thrift |
| </pre> |
| |
| <p>The 'thrift' binary is the Thrift compiler, and it is distributed as a part |
| of the Thrift package. Additionally, specific language runtime libraries are a |
| part of the Thrift package. A version of the Java runtime is included in HBase |
| via Maven.</p></div> |
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