If I don't get objection by Friday the 13th @ mid night (PST), I will create a JIRA that marks HBase metric classes that depend on org.apache.hadoop.metrics.* deprecated.
Thanks On Mon, Jul 9, 2012 at 9:35 AM, Ted Yu <[email protected]> wrote: > Thanks for the response, Jon. > > One more detail: the metrics2 classes in hadoop 1.0 and hadoop 2.0 are > different. Alex is working on a shim layer to make the difference > transparent. If we were to keep 0.96 metric (1) compatible, we would be > maintaining 2.5 metric systems. > > Cheers > > > On Mon, Jul 9, 2012 at 9:28 AM, Jonathan Hsieh <[email protected]> wrote: > >> I'm ok if we moved solely to metrics2 in 0.96 and if we deprecated in >> 0.94. >> >> Jon. >> >> On Sat, Jul 7, 2012 at 7:23 AM, Ted Yu <[email protected]> wrote: >> >> > Hi, >> > See the following comment for background: >> > >> > >> https://issues.apache.org/jira/browse/HBASE-4050?focusedCommentId=13408679&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13408679 >> > >> > metrics2 framework is in both hadoop 1.0 and hadoop 2.0 >> > We would like to migrate to metrics2 framework. But maintaining two >> metrics >> > frameworks in HBase is costly and results in lower readability. >> > >> > However, if you have cluster monitoring tool that depends on (old) >> metrics >> > framework, we want to give you smooth migration experience. >> > >> > Please provide your opinions on whether (old) metrics framework should >> be >> > deprecated in 0.94 or in 0.96. >> > >> > Thanks >> > >> >> >> >> -- >> // Jonathan Hsieh (shay) >> // Software Engineer, Cloudera >> // [email protected] >> > >
