Re: Can anyone show me how to construct the HFileReaderV2 object to read the HFile content.

2012-03-16 Thread Stack
On Fri, Mar 16, 2012 at 9:01 AM, yonghu yongyong...@gmail.com wrote: Hello, Can anyone give me a example to construct the  HFileReaderV2 object to read the HFile content. Thanks! See http://hbase.apache.org/xref/org/apache/hadoop/hbase/io/hfile/HFile.html#499 St.Ack

Re: Can anyone show me how to construct the HFileReaderV2 object to read the HFile content.

2012-03-16 Thread yonghu
I implemented the code like this way. My Hbase version is 0.92.0. Configuration conf = new Configuration(); CacheConfig cconf = new CacheConfig(conf); FileSystem fs = FileSystem.get(conf); Path path = new

Re: Can anyone show me how to construct the HFileReaderV2 object to read the HFile content.

2012-03-16 Thread yonghu
I noticed the problem is that somehow I lost the data from hdfs. The code is ok. Regards! Yong On Fri, Mar 16, 2012 at 5:59 PM, yonghu yongyong...@gmail.com wrote: I implemented the code like this way. My Hbase version is 0.92.0.                Configuration conf = new Configuration();      

Re: Can anyone show me how to construct the HFileReaderV2 object to read the HFile content.

2012-03-16 Thread Stack
On Fri, Mar 16, 2012 at 10:12 AM, yonghu yongyong...@gmail.com wrote: I noticed the problem is that somehow I lost the data from hdfs. The code is ok. Regards! Why write code? The hfile tool, http://hbase.apache.org/book.html#hfile_tool2, gives a pretty rich summary on file content (or you