Ebay开源 Pulsar：实时大数据分析平台

// create 60-second time window contextcreate context MCContext start @now end pattern [timer:interval(60)];// sort to find top 10 event counts along dimensions D1, D2, and D3// within specified time windowcontext MCContext insert into TOPITEMS select count(*) as totalCount, D1, D2, D3 from RawEventStream group by D1, D2, D3 order by count(*) limit 10;select * from TOPITEMS;

，无论如何，没有人有办法把自己抑或他人的刺拔掉。那是一碰便痛的软肋，