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https://issues.apache.org/jira/browse/METRON-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tibor Meller reassigned METRON-2190:
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Assignee: Tibor Meller
> [UI] Alerts UI: Indicating loading and preventing parallel requests
> -------------------------------------------------------------------
>
> Key: METRON-2190
> URL: https://issues.apache.org/jira/browse/METRON-2190
> Project: Metron
> Issue Type: Bug
> Reporter: Tibor Meller
> Assignee: Tibor Meller
> Priority: Major
>
> Issues caused by having no loading indicator and allowing multiple requests
> at the same time reported by both Telstra and Raytheon
> h2. Loading indicator for alert list screen
> Loading indicator will be applied for both manual and automatic queries but
> in a different way (manual blocking, auto nonblocking).
> Loading state of a manual query might better to block the UI (grouping,
> filtering, querying, time range change, turning automatic querying on/of,
> changing show/hide toggles).
> Automatic query should be cancelled if the user trigger a manual query,
> changing filtering, time range or show/hide setup.
> h2. Introducing blocking loading state
> Improvement could block the query button and automatic querying while UI
> waiting for the response of a manual query.
> This could fix having multiple requests at the same time.
> h2. A) Issue: Lack of loading indicator (spinner)
> There is no indicator such as a "spinner" that a query is pending/executing,
> so if the screen does not change, you have no idea (or if you were not
> watching as it changed). This is a problem when queries do not return
> immediately, considering the issue where there are multiple pending queries
> (described later).
> h2. B) Issue: allowing Multiple pending Query Requests
> For Solr queries that are not sub-second, as they are submitted and responses
> are still pending, requests queue up and results start updating the UI in
> order as they come in. If queries are really slow, this can become very
> confusing as 3-4 changes may happen in the UI.
>
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