+1 This was very important improvement.
hope it release at 2.4 On Jan 31, 2014 6:37 AM, "Haohui Mai" <h...@hortonworks.com> wrote: > Hello all, > > I would like to call a vote to merge of the new protobuf-based FSImage into > trunk. > > The changes introduce a protobuf-based FSImage format into HDFS. It > separates the responsibility of serializing and reconstructing the > namespace in the NameNode using Google's Protocol Buffers > (protobuf). The new FSImage delegates much parts of the serialization / > deserialization logics to the protobuf side. It is also designed to > improve the supports for compatibility and interoperability. > > The development has been done in a separate branch: > https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5698 > > The design document is available at: > > https://issues.apache.org/jira/secure/attachment/12626179/HDFS-5698-design.pdf > > The HDFS-5698 jira tracks the development of the feature. > > The feature changes no public APIs. The existing tests include both > unit tests and end-to-end tests. They have already covered this > feature. > > Once the feature is merged into trunk, we will continue to test and > fix any bugs that may be found on trunk. > > The bulk of the design and implementation was done by Jing Zhao, > Suresh Srinivas and me. Thanks Kihwal Lee, Todd Lipcon, Colin > Patrick McCabe, Chris Nauroth, and Daryn Sharp for providing feedback on > the jiras and in discussions. > > This vote runs for a week and closes on 2/6/2013 at 11:59 pm PT. > > Regards, > Haohui > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >