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Varun Saxena commented on YARN-3862: ------------------------------------ [~gtCarrera9], these 2 JIRAs' were raised separately to address following areas : # Enhance already supported filters (YARN-3863) to filter out rows of data. By adding support for OR in addition to AND and relational ops for metrics. Scope for this JIRA is pretty clear. # Restrict the amount of data retrieved(from columns) in this JIRA. In this JIRA, we actually wanted to have a discussion on what all we need to support. Regex, prefix match , etc. Also whether we want to retrieve metrics by time windows as well. I am open to realigning these JIRAs' and distributing the work along the lines of the workflow you mentioned above. My only concern with deciding with a filter object model though will be that we may take a lot of time deciding it to cover all the scenarios. Because support for additional filters may come up during further discussion. Let's do as per whatever is the consensus. > Decide which contents to retrieve and send back in response in TimelineReader > ----------------------------------------------------------------------------- > > Key: YARN-3862 > URL: https://issues.apache.org/jira/browse/YARN-3862 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver > Affects Versions: YARN-2928 > Reporter: Varun Saxena > Assignee: Varun Saxena > Attachments: YARN-3862-YARN-2928.wip.01.patch > > > Currently, we will retrieve all the contents of the field if that field is > specified in the query API. In case of configs and metrics, this can become a > lot of data even though the user doesn't need it. So we need to provide a way > to query only a set of configs or metrics. > As a comma spearated list of configs/metrics to be returned will be quite > cumbersome to specify, we have to support either of the following options : > # Prefix match > # Regex > # Group the configs/metrics and query that group. > We also need a facility to specify a metric time window to return metrics in > a that window. This may be useful in plotting graphs -- This message was sent by Atlassian JIRA (v6.3.4#6332)