We have java based rest service A with logfile a.log and another rest service B with log b.log when A receives a request it creates a unique request id (let call ABigRequesiId) and splits this request into multiple smaller requests with unique request ids (ASmallerRequestId1,ASmallRequestId2,ASmallRequestId3 .....) for each request and send these requst to service B So I am able to search based on "ABigRequestId" inside a.log and look for an event CREATE_SMALLER_REQUESTS and get all (ASmallerRequestId1,ASmallRequestId2,ASmallRequestId3) , But now with these requestIds I want to search b.log and look for other events in b.log , I am not able to do this in the same query Can you please suggest ? ... View more