Re: I am a new comer and have a question about HDFS code check out

2010-09-12 Thread Ryan Rawson
Anyone can check out the code, I would recommend the git mirrors: http://git.apache.org/ To submit you might want to read: http://wiki.apache.org/hadoop/HowToContribute -ryan On Sun, Sep 12, 2010 at 7:38 PM, Min Long wrote: > Dears, > >   I just joined HDFS dev mailing list. I am currently res

Re: HDFS Blockreport question

2010-04-02 Thread Ryan Rawson
If you look at the getProxy code it passes an "Invoker" (or something like that) which the proxy code uses to delegate calls TO. The Invoker will call another class "Client" which has sub-classes like Call, and Connection which wrap the actual java IO. This all lives in the org.apache.hadoop.ipc

[jira] Created: (HDFS-1002) Secondary Name Node crash, NPE in edit log replay

2010-02-25 Thread ryan rawson (JIRA)
Reporter: ryan rawson Fix For: 0.21.0 An NPE in SNN, the core of the message looks like yay so: 2010-02-25 11:54:05,834 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.lang.NullPointerException at

[jira] Created: (HDFS-942) Read and write metrics misleading/not helpful

2010-02-02 Thread ryan rawson (JIRA)
Read and write metrics misleading/not helpful - Key: HDFS-942 URL: https://issues.apache.org/jira/browse/HDFS-942 Project: Hadoop HDFS Issue Type: Bug Reporter: ryan rawson the

Re: [VOTE -- Round 2] Commit hdfs-630 to 0.21?

2010-01-21 Thread Ryan Rawson
Scaling _down_ is a continual problem for us, and this is one of the prime factors. It puts a bad taste in the mouth of new people who then run away from HBase and HDFS since it is "unreliable and unstable". It is perfectly within scope to support a cluster of about 5-6 machines which can have an a