akshayrai commented on a change in pull request #4405: [TE] add a thread pool
to run preview tasks
URL: https://github.com/apache/incubator-pinot/pull/4405#discussion_r301309518
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File path:
thirdeye/thirdeye-pinot/src/main/java/org/apache/pinot/thirdeye/detection/yaml/YamlResource.java
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@@ -145,6 +154,7 @@ public YamlResource() {
this.evaluationDAO = DAORegistry.getInstance().getEvaluationManager();
this.sessionDAO = DAORegistry.getInstance().getSessionDAO();
this.yaml = new Yaml();
+ this.executor = Executors.newFixedThreadPool(PREVIEW_PARALLELISM);
Review comment:
How about a using a `newCachedThreadPool`? That way the calls won't easily
timeout at peak traffic.
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