[jira] [Created] (ACCUMULO-3741) Reduce incompatibilities with htrace 3.2.0-incubating

["Billie Rinaldi (JIRA)" <ji...@apache.org>]

Billie Rinaldi created ACCUMULO-3741:
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             Summary: Reduce incompatibilities with htrace 3.2.0-incubating
                 Key: ACCUMULO-3741
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3741
             Project: Accumulo
          Issue Type: Bug
            Reporter: Billie Rinaldi
            Assignee: Billie Rinaldi


HTrace 3.2.0-incubating is coming out soon and there are some significant differences in its API.  Ideally we would like Accumulo to work with either version.  Differences include:
* no Trace.setProcessId method
* process ID is handled differently now; it defaults to name/IP, while before Accumulo tracked IP manually
* SpanReceivers are expected to set process ID if it is not provided
* return type of Span.getKVAnnotations changed from Map<byte[],byte[]> to Map<String,String>
* Spans can now have multiple parents (although none do yet) and getParentId has been replaced by getParents which returns a list of longs
* multiple parents means there is no longer a fixed root span ID; root spans just have an empty list of parents



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