Andrew.D.lin created FLINK-21858: ------------------------------------ Summary: TaskMetricGroup taskName is too long, especially in sql tasks. Key: FLINK-21858 URL: https://issues.apache.org/jira/browse/FLINK-21858 Project: Flink Issue Type: Improvement Components: Runtime / Metrics Affects Versions: 1.12.2, 1.12.1, 1.12.0 Reporter: Andrew.D.lin
Now operatorName is limited to 80 by org.apache.flink.runtime.metrics.groups.TaskMetricGroup#METRICS_OPERATOR_NAME_MAX_LENGTH. So propose to limit the maximum length of metric name by configuration. Here is an example: "taskName":"GlobalGroupAggregate(groupBy=[dt, src, src1, src2, src3, ct1, ct2], select=[dt, src, src1, src2, src3, ct1, ct2, SUM_RETRACT((sum$0, count$1)) AS sx_pv, SUM_RETRACT((sum$2, count$3)) AS sx_uv, MAX_RETRACT(max$4) AS updt_time, MAX_RETRACT(max$5) AS time_id]) -> Calc(select=[((MD5((dt CONCAT _UTF-16LE'|' CONCAT src CONCAT _UTF-16LE'|' CONCAT src1 CONCAT _UTF-16LE'|' CONCAT src2 CONCAT _UTF-16LE'|' CONCAT src3 CONCAT _UTF-16LE'|' CONCAT ct1 CONCAT _UTF-16LE'|' CONCAT ct2 CONCAT _UTF-16LE'|' CONCAT time_id)) SUBSTR 1 SUBSTR 2) CONCAT _UTF-16LE'_' CONCAT (dt CONCAT _UTF-16LE'|' CONCAT src CONCAT _UTF-16LE'|' CONCAT src1 CONCAT _UTF-16LE'|' CONCAT src2 CONCAT _UTF-16LE'|' CONCAT src3 CONCAT _UTF-16LE'|' CONCAT ct1 CONCAT _UTF-16LE'|' CONCAT ct2 CONCAT _UTF-16LE'|' CONCAT time_id)) AS rowkey, sx_pv, sx_uv, updt_time]) -> LocalGroupAggregate(groupBy=[rowkey], select=[rowkey, MAX_RETRACT(sx_pv) AS max$0, MAX_RETRACT(sx_uv) AS max$1, MAX_RETRACT(updt_time) AS max$2, COUNT_RETRACT(*) AS count1$3])" "operatorName":"GlobalGroupAggregate(groupBy=[dt, src, src1, src2, src3, ct1, ct2], selec=[dt, s" -- This message was sent by Atlassian Jira (v8.3.4#803005)