[HTRACE-207] HTrace 4.x API rework

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0
• Fix Version/s: 4.0
• Component/s: api, core
• Target Version/s: 4.0
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 15/Jul/15 00:16
• Updated: 14/Oct/15 01:02
• Resolved: 09/Sep/15 19:16

Description

In the HTrace 4.x release, we need to clean up the API somewhat.

Sub-Tasks

• Change version to 4.0: Resolved
• Remove TrueIfTracingSampler: Resolved
• Remove deprecated addKVAnnotation(byte[], byte[]) method: Resolved
• Simplify the Sampler type: Resolved
• Rename ProcessId to TracerId: Resolved
• Make span ID 128 bit to avoid collisions: Resolved
• Add SpanReceiverPool: Resolved
• SpanReceivers should not fill in ProcessId: Resolved
• Move htrace-core classes to the org.apache.htrace.core namespace: Resolved
• Fix subprojects to refer to new org.apache.htrace.core namespace: Resolved
• htrace-webapp needs to be updated to refer to "tracerid" not "processid": Resolved
• De-globalize Tracer.java: Resolved