Spilled data size in CLI and WebUI#426
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ilfrin wants to merge 4 commits intocw/spill-space-manager/2from
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Spilled data size in CLI and WebUI#426ilfrin wants to merge 4 commits intocw/spill-space-manager/2from
ilfrin wants to merge 4 commits intocw/spill-space-manager/2from
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@pnowojski I think we should remove the Driver and Pipeline level spill stats collecting and maintaining. They're not used anywhere. |
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Generally looks good, however is there no tests for explain analyze output?
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it can't, it was a reflex to implement a static helper method as null safe, I can change that if you want
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November 17, 2016 15:49
Add tracking of spilled data size on various levels (from operator to query) and expose it in JSON.
Data size added to EXPLAIN ANALYZE output, at Fragment and Operator levels. This information is added to the "Cost" line and displayed only if the value is non-zero.
When CLI is started with --debug then spilled data size for the entire query is being displayed (both in the running total, and the final summary). The information is added in a separate line below "Parallelism".
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@ilfrin for completeness, let's print total data spilled in the Presto UI on the query details page under Resource Utilization Summary (next to the CPU & Memory usage) |
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lgtm |
Added spilled data size to the Query Details page in the Resource Utilization Summary section and to the Live Plan page in the Web UI just below the "Splits" line (per stage).
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@KBP-TDC done |
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@pnowojski @sopel39