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See:
Description
Class Summary | |
---|---|
ThriftServer | ThriftServer - this class starts up a Thrift server which implements the Hbase API specified in the Hbase.thrift IDL file. |
ThriftServer.HBaseHandler | The HBaseHandler is a glue object that connects Thrift RPC calls to the HBase client API primarily defined in the HBaseAdmin and HTable objects. |
ThriftUtilities |
Provides an HBase Thrift service. This directory contains a Thrift interface definition file for an Hbase RPC service and a Java server implementation.
"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."
Important note: This Thrift interface is deprecated and scheduled for removal in HBase 0.22.
A new version that matches the client API that was introduced in HBase 0.21 can be found
in the contrib
directory.
The HBase API
is defined in the
file Hbase.thrift (Click the former to see the
thrift generated documentation of thrift interface). A server-side implementation of the API is in
ThriftServer
. The generated interfaces,
types, and RPC utility files reside in the
org.apache.hadoop.hbase.thrift.generated
package.
To start ThriftServer, use:
./bin/hbase-daemon.sh start thrift
To stop, use:
./bin/hbase-daemon.sh stop thriftThese are the command line arguments the Thrift server understands in addition to
start
and stop
:
-b, --bind
0.0.0.0
]-p, --port
9090
]-f, --framed
-c, --compact
-h, --help
-threadpool
-hsha
-nonblocking
bind
option only works with the default ThreadPoolServer.
This will be fixed in the next Thrift version. See HBASE-2155
for more details on this issue.
HBase currently uses version 0.2.0 of Apache Thrift.
The files were generated by running the commands:
thrift -strict --gen java:hashcode Hbase.thrift mv gen-java/org/apache/hadoop/hbase/thrift/generated . rm -rf gen-java
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 checked into SVN
under the hbase/lib
directory.
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