How does resource manager acquire resource in HAWQ?

Question

In HAWQ, how does resource manager acquire resource? And what kind of granularity of resource can be specific by user?

score 1 · Answer 1 · answered Jul 05 '16 at 14:39

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The documentation covers this pretty well.

answered Jul 05 '16 at 14:39

Jon Roberts

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score 0 · Answer 2 · answered Jul 07 '16 at 06:01

granularity of resource is virtual segments. There are various kinds of strategies and GUCs to control the virtual segments for different clusters and workloads. For details, please ref the document: http://hdb.docs.pivotal.io/20/query/query-performance.html#topic_wv3_gzc_d5

score 0 · Answer 3 · answered Jul 07 '16 at 22:31

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Generally, HAWQ resource manager get resources from YARN in the hadoop cluster and organize these resources into some internal resource which serve query when needed.

answered Jul 07 '16 at 22:31

yanqing weng

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How does resource manager acquire resource in HAWQ?

3 Answers3