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Posted to issues-all@impala.apache.org by "Quanlong Huang (JIRA)" <ji...@apache.org> on 2019/08/17 14:40:00 UTC
[jira] [Updated] (IMPALA-7351) Add memory estimates for plan nodes
and sinks with missing estimates
[ https://issues.apache.org/jira/browse/IMPALA-7351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Quanlong Huang updated IMPALA-7351:
-----------------------------------
Target Version: Impala 3.4.0 (was: Impala 3.3.0)
> Add memory estimates for plan nodes and sinks with missing estimates
> --------------------------------------------------------------------
>
> Key: IMPALA-7351
> URL: https://issues.apache.org/jira/browse/IMPALA-7351
> Project: IMPALA
> Issue Type: Sub-task
> Components: Frontend
> Reporter: Tim Armstrong
> Assignee: Bikramjeet Vig
> Priority: Major
> Labels: admission-control, resource-management
>
> Many plan nodes and sinks, e.g. KuduScanNode, KuduTableSink, ExchangeNode, etc are missing memory estimates entirely.
> We should add a basic estimate for all these cases based on experiments and data from real workloads. In some cases 0 may be the right estimate (e.g. for streaming nodes like SelectNode that just pass through data) but we should remove TODOs and document the reasoning in those cases.
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