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lining edited comment on FLINK-14470 at 11/28/19 7:28 AM: ---------------------------------------------------------- I have tested it if you get more than 165 WaterMarks, will redirect to URL /bad-request. There isn't any handler for it, so its Http status is 404. Find someone who has asked a similar [question|https://groups.google.com/forum/#!topic/gatling/9LtKV5sSXxU] in GoogleGroup. The [doc|https://netty.io/4.0/api/io/netty/handler/codec/http/HttpRequestDecoder.html] for maxInitialLineLength and its default value is 4096 in [code. |https://github.com/netty/netty/blob/4.1/codec-http/src/main/java/io/netty/handler/codec/http/HttpRequestDecoder.java#L59] * the reason for redirecting to /bad-request is the URL exceeds 4kb. In HttpRequestDecoder, if it decodes invalid will redirect to /bad-request. * if Http call has an exception, it needs to show the error, not redirect to /bad-request. * new handler for getting vertex's metric, such as /jobs/:jobid/vertices/:vertexId/metrics?get=[key]&subtaskStart=[]&subtaskEnd=[] was (Author: lining): I have tested it if you get more than 165 WaterMarks, will redirect to URL /bad-request. There isn't any handler for it, so its Http status is 404. Find someone who has asked a similar [question|https://groups.google.com/forum/#!topic/gatling/9LtKV5sSXxU] in GoogleGroup. The [doc|https://netty.io/4.0/api/io/netty/handler/codec/http/HttpRequestDecoder.html] for maxInitialLineLength and its default value is 4096 in [code.|https://github.com/netty/netty/blob/4.1/codec-http/src/main/java/io/netty/handler/codec/http/HttpRequestDecoder.java#L59] * the reason for redirecting to /bad-request is the URL exceeds 4kb. * if Http call has an exception, it needs to show the error, not redirect to /bad-request. * new handler for getting vertex's metric, such as /jobs/:jobid/vertices/:vertexId/metrics?get=[key]&subtaskStart=[]&subtaskEnd=[] > Watermark display not working with high parallelism job > ------------------------------------------------------- > > Key: FLINK-14470 > URL: https://issues.apache.org/jira/browse/FLINK-14470 > Project: Flink > Issue Type: Bug > Components: Runtime / Web Frontend > Affects Versions: 1.8.2, 1.9.1 > Reporter: Thomas Weise > Assignee: Yadong Xie > Priority: Major > > Watermarks don't display in the UI when the job graph has many vertices. The > REST API call to fetch currentInputWatermark fails as it enumerates each > subtask, which obviously fails beyond a limit. With the new UI that can be > noticed through a flickering error message in the upper right corner. -- This message was sent by Atlassian Jira (v8.3.4#803005)