amansinha100 commented on a change in pull request #1715: DRILL-7117: Support
creation of equi-depth histogram for selected dat…
URL: https://github.com/apache/drill/pull/1715#discussion_r270585222
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File path: exec/java-exec/src/main/resources/drill-module.conf
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@@ -685,5 +685,6 @@ drill.exec.options: {
exec.query.return_result_set_for_ddl: true,
# ========= rm related options ===========
exec.rm.queryTags: "",
- exec.rm.queues.wait_for_preferred_nodes: true
+ exec.rm.queues.wait_for_preferred_nodes: true,
+ exec.statistics.tdigest_compression: 100
Review comment:
The 'compression' is the name that t-digest uses for determining the number
of centroids. I cannot think of something more generic for this since if we
change the underlying algorithm it may not use centroids at all. I am thinking
of keeping this as-is. Let me know if you can think of a generic
representation. We could revisit the HLL names if we want to be consistent.
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