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From "Mubarak Seyed (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5433) [REST] Add metrics to keep track of success/failure count
Date Sun, 19 Feb 2012 01:39:59 GMT
[REST] Add metrics to keep track of success/failure count

                 Key: HBASE-5433
                 URL: https://issues.apache.org/jira/browse/HBASE-5433
             Project: HBase
          Issue Type: Improvement
          Components: metrics, rest
    Affects Versions: 0.94.0
            Reporter: Mubarak Seyed
            Assignee: Mubarak Seyed
             Fix For: 0.94.0

In a production environment, the visibility of successful REST request(s) are not getting
exposed to metric system as we have only one metric (requests) today.
Proposing to add more metrics such as successful_get_count, failed_get_count, successful_put_count,

The current implementation increases the request count at the beginning of the method implementation
and it is very hard to monitor requests (unless turn on debug, find the row_key and validate
it in get/scan using hbase shell), it will be very useful to ops to keep an eye as requests
from cross data-centers are trying to write data to one cluster using REST gateway through
load balancer (and there is no visibility of which REST-server/RS failed to write data)

 Response update(final CellSetModel model, final boolean replace) {
    // for requests
      ResponseBuilder response = Response.ok();
      // for successful_get_count
      return response.build();
    } catch (IOException e) {
      // for failed_get_count
      throw new WebApplicationException(e,
    } finally {

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