[CHUKWA-13] Support SQL macros in Chukwa Charting

• Type: New Feature
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed

Environment

Redhat EL 5.1, Java 6

• Assignee: Eric Yang
• Reporter: Eric Yang
• Created: 04/Mar/09 19:20
• Updated: 30/Mar/09 04:59
• Resolved: 30/Mar/09 04:49

Description

In Chukwa Database aggregator, we could execute SQL statement which looks like:

insert into [cluster_system_metrics] (select [avg(system_metrics)] from [system_metrics] where timestamp between [past_10_minutes] and [now]);

This new feature is to bring macro language to HICC charting. The user can write statement like:

select timestamp,host,load_5 from [system_metrics] where timestamp between [start] and [end];

This statement will automatically expand to:

select timestamp, host, load_5 from system_metrics_2045_week where timestamp between '2009-03-02 00:00:00' and '2009-03-03 00:00:00';