Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread zhijiang
: Will broadcast stream affect performance because of the absence of operator chaining? Hi, No, I think you are right, I forgot about the broadcasting requirement. Piotrek On 6 Aug 2019, at 13:11, 黄兆鹏 wrote: Hi, Piotrek, I previously considered your first advice(use union record type), but I found

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread Wong Victor
), and handle new messages coming in. The good news From: Piotr Nowojski Date: Tuesday, August 6, 2019 at 8:55 PM To: 黄兆鹏 Cc: user Subject: Re: Will broadcast stream affect performance because of the absence of operator chaining? Hi, No, I think you are right, I forgot about the broadcasting

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread Wong Victor
messages coming in. The good news From: Piotr Nowojski Date: Tuesday, August 6, 2019 at 8:55 PM To: 黄兆鹏 Cc: user Subject: Re: Will broadcast stream affect performance because of the absence of operator chaining? Hi, No, I think you are right, I forgot about the broadcasting requirement. Piotrek

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread Piotr Nowojski
"; > Date: Tue, Aug 6, 2019 06:57 PM > To: "黄兆鹏"; > Cc: "user"; > Subject: Re: Will broadcast stream affect performance because of the absence > of operator chaining? > > Hi, > > Have you measured the performance impact of braking the operat

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread 黄兆鹏
you! -- Original -- From: "Piotr Nowojski"; Date: Tue, Aug 6, 2019 06:57 PM To: "黄兆鹏"; Cc: "user"; Subject: Re: Will broadcast stream affect performance because of the absence of operator chaining? Hi, Have you m

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread Piotr Nowojski
gt; > > > ------ Original ---------- > From: "Piotr Nowojski"; > Date: Tue, Aug 6, 2019 04:23 PM > To: "黄兆鹏"; > Cc: "user"; > Subject: Re: Will broadcast stream affect performance because of the absence >

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread 黄兆鹏
6, 2019 04:23 PM To: "黄兆鹏"; Cc: "user"; Subject: Re: Will broadcast stream affect performance because of the absence of operator chaining? Hi, Broadcasting will brake an operator chain. However my best guess is that Kafka source will be still a performance bottleneck

Re: Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread Piotr Nowojski
Hi, Broadcasting will brake an operator chain. However my best guess is that Kafka source will be still a performance bottleneck in your job. Also Network exchanges add some measurable overhead only if your records are very lightweight and easy to process (for example if you are using RocksDB

Will broadcast stream affect performance because of the absence of operator chaining?

2019-08-06 Thread 黄兆鹏
Hi all, My flink job has dynamic schema of data, so I want to consume a schema kafka topic and try to broadcast to every operator so that each operator could know what kind of data it is handling. For example, the two streams just like this: OperatorA -> OperatorB -> OperatorC ^