Re: LMAX queue batch size

2017-06-13 Thread Adam Meyerowitz
batching will be eliminated in the new messaging system. > > > > -roshan > > > > > > *From: *Adam Meyerowitz > *Reply-To: *"user@storm.apache.org" > *Date: *Tuesday, June 6, 2017 at 2:36 PM > *To: *"user@storm.apache.org" > *Subject: *

Re: LMAX queue batch size

2017-06-10 Thread Roshan Naik
n the new messaging system. -roshan From: Adam Meyerowitz Reply-To: "user@storm.apache.org" Date: Tuesday, June 6, 2017 at 2:36 PM To: "user@storm.apache.org" Subject: Re: LMAX queue batch size Hi Roshan, these metrics are for an intermediate bolt and they are for the inbou

Re: LMAX queue batch size

2017-06-06 Thread Roshan Naik
If you can feed it one event at a time and each time see how these metrics are changing it might give a clue. -roshan From: Adam Meyerowitz Reply-To: "user@storm.apache.org" Date: Tuesday, June 6, 2017 at 2:36 PM To: "user@storm.apache.org" Subject: Re: LMAX queue batch si

Re: LMAX queue batch size

2017-06-06 Thread Adam Meyerowitz
/ intermediate bolt / spout ? > > Are those metrics for the inbound or the outbound DisruptorQ of the > spout/bolt? > > -roshan > > > > > > > > *From: *Adam Meyerowitz > *Reply-To: *"user@storm.apache.org" > *Date: *Tuesday, June 6, 2017 at 7:

Re: LMAX queue batch size

2017-06-06 Thread Roshan Naik
? Are those metrics for the inbound or the outbound DisruptorQ of the spout/bolt? -roshan From: Adam Meyerowitz Reply-To: "user@storm.apache.org" Date: Tuesday, June 6, 2017 at 7:12 AM To: "user@storm.apache.org" Subject: Re: LMAX queue batch size To make things a litt

Re: LMAX queue batch size

2017-06-06 Thread Adam Meyerowitz
To make things a little bit more specific this is the kind of thing we are seeing.. I have chopped out some line, etc to make it more readable. Note that during this one minute interval the read_pos went from 177914 to 178522 which is a difference of 608 yet we processed 4140 tuples based on the e

Re: LMAX queue batch size

2017-06-06 Thread Adam Meyerowitz
Currently we are using 1.0.1. Thanks for the video. It definitely clarifies the lower level details of the queueing. Quick followup question. In the case where the disruptor queue is full and data ends up in the overflow list, you mentioned that **one element** in that list can be multiple tuple

Re: LMAX queue batch size

2017-06-05 Thread Roshan Naik
AM> So the difference in the read and write queue positions will be 100 then, correct? Only if the diff was 0 prior to the publish. More accurately… the diff between the read and write positions will increase by 100 after the publish. AM> Empirically what we are seeing would lead us to belie

Re: LMAX queue batch size

2017-06-05 Thread Adam Meyerowitz
han > > > > > > *From: *Adam Meyerowitz > *Reply-To: *"user@storm.apache.org" > *Date: *Friday, June 2, 2017 at 9:14 AM > *To: *"user@storm.apache.org" > *Subject: *Re: LMAX queue batch size > > > > Hi Roshan, thanks! > > Mayb

Re: LMAX queue batch size

2017-06-02 Thread Roshan Naik
te: Friday, June 2, 2017 at 9:14 AM To: "user@storm.apache.org" Subject: Re: LMAX queue batch size Hi Roshan, thanks! Maybe an example will clarify what I'm after. Let's say that there is a batch of 100 items to be written to the disruptor queue and those are to be written

Re: LMAX queue batch size

2017-06-02 Thread Adam Meyerowitz
ritten to the Q in one go. > > > > roshan > > > > *From: *Adam Meyerowitz > *Reply-To: *"user@storm.apache.org" > *Date: *Thursday, June 1, 2017 at 1:47 PM > *To: *"user@storm.apache.org" > *Subject: *LMAX queue batch size > > > > Hello, ca

Re: LMAX queue batch size

2017-06-02 Thread Roshan Naik
;user@storm.apache.org" Date: Thursday, June 1, 2017 at 1:47 PM To: "user@storm.apache.org" Subject: LMAX queue batch size Hello, can someone clarify how the disruptor queue batch size setting, TOPOLOGY_DISRUPTOR_BATCH_SIZE, impacts insertion? More specifically is each disruptor queue entry

LMAX queue batch size

2017-06-01 Thread Adam Meyerowitz
Hello, can someone clarify how the disruptor queue batch size setting, TOPOLOGY_DISRUPTOR_BATCH_SIZE, impacts insertion? More specifically is each disruptor queue entry a single item or a list of items up to the configured batch size? Thanks.