[ https://issues.apache.org/jira/browse/FLINK-34104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maximilian Michels resolved FLINK-34104. ---------------------------------------- Resolution: Fixed > Improve the ScalingReport format of autoscaling > ----------------------------------------------- > > Key: FLINK-34104 > URL: https://issues.apache.org/jira/browse/FLINK-34104 > Project: Flink > Issue Type: Improvement > Components: Autoscaler > Reporter: Rui Fan > Assignee: Rui Fan > Priority: Major > Labels: pull-request-available > Fix For: kubernetes-operator-1.8.0 > > > Currently, the scaling report format is > {color:#6a8759} Vertex ID %s | Parallelism %d -> %d | Processing capacity > %.2f -> %.2f | Target data rate %.2f{color} > {color:#172b4d}It has 2 disadvantages:{color} > # {color:#172b4d}When one job has multiple vertices, the report of all > vertices are mixed together without any separator{color}{color:#172b4d}, here > is an example:{color} > ** {color:#172b4d}Scaling execution enabled, begin scaling vertices: Vertex > ID ea632d67b7d595e5b851708ae9ad79d6 | Parallelism 2 -> 1 | Processing > capacity 800466.67 -> 320186.67 | Target data rate 715.10 Vertex ID > bc764cd8ddf7a0cff126f51c16239658 | Parallelism 2 -> 1 | Processing capacity > 79252.08 -> 31700.83 | Target data rate 895.93 Vertex ID > 0a448493b4782967b150582570326227 | Parallelism 8 -> 16 | Processing capacity > 716.05 -> 1141.00 | Target data rate 715.54{color} > ** {color:#172b4d}We can see the Vertex ID is the beginning of each vertex > report, it doesn't have any {color}{color:#172b4d}separator with the last > vertex.{color} > # {color:#172b4d}This format is non-standard{color}{color:#172b4d}, it's > hard to deserialize.{color} > ** {color:#172b4d}When job enables the autoscaler and disable the > scaling.{color} > ** {color:#172b4d}Flink platform maintainer wants to show the scaling report > in WebUI, it's helpful to using the report result for flink users.{color} > ** {color:#172b4d}So easy to deserialize is useful for these flink > platform.{color} > h2. {color:#172b4d}Solution:{color} > * {color:#172b4d}Adding the {{{}} and {{}}} as the separator between > multiple vertices. {color} > * {color:#172b4d}Adding the {{AutoscalerEventUtils}} to easy deserialize the > {{ScalingReport}} message.{color} > -- This message was sent by Atlassian Jira (v8.20.10#820010)