hadoop - What it happened when i use FileSystem.get(URI.create("hdfs://loacalhost:9000/filepath"), conf)? -


i confused in project require me optimization small file support hdfs. step this:

  1. store small file hbase;
  2. several small file merger big file , store hdfs;
  3. use tactics record small file's position;
  4. we need guarantee file's uri consistent.

and in study meet problem. example, if use command

hdfs fs -put ~/local/smallfile /usr/smallfile.

if don't anything, in code

filesystem.get(uri.create("hdfs://loacalhost:9000/usr/smallfile"), conf).

but if project ok, small file should store hbase, when use uri hdfs://loacalhost:9000/usr/smallfile in code, , should return null.

the problem is, how redirect hbase , return back. read rpc , still can't help.

my idea add server between user , hdfs, uri request , stop in it. don't know how. , feasible on technique?

trying read hbase file directly hdfs not idea naming not predictable. also, performance bad.
if file max size few mb's can store in hbase , use hbase api fetch data.
store 1 file in 1 cell , able retrieve via hbase api. can use hbase stargate fetch files via http rest call.


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