Thanks Eno,
I already set the the recurve buffer size to 1MB
I will also try producer
What about session timeout and heart beat timeout? Do you think it should
be increased?
Thanks,
Shimi
On Sat, 6 May 2017 at 0:21 Eno Thereska <eno.there...@gmail.com> wrote:
> Hi Shimi,
>
> I’ve noticed with our benchmarks that on AWS environments with high
> network latency the network socket buffers often need adjusting. Any chance
> you could add the following to your streams configuration to change the
> default socket size bytes to a higher value (at least 1MB) and let us know?
>
> private static final int SOCKET_SIZE_BYTES = 1 * 1024 * 1024; // at least
> 1MB
> streamsProps.put(ConsumerConfig.RECEIVE_BUFFER_CONFIG, SOCKET_SIZE_BYTES);
> streamsProps.put(ProducerConfig.SEND_BUFFER_CONFIG, SOCKET_SIZE_BYTES);
>
> Thanks
> Eno
>
> > On May 4, 2017, at 3:45 PM, Shimi Kiviti <shim...@gmail.com> wrote:
> >
> > Thanks Eno,
> >
> > We still see problems on our side.
> > when we run kafka-streams 0.10.1.1 eventually the problem goes away but
> > with 0.10.2.1 it is not.
> > We see a lot of the rebalancing messages I wrote before
> >
> > on at least 1 kafka-stream nodes we see disconnection messages like the
> > following. These messages repeat all the time
> >
> > 2017-05-04 14:25:56,063 [StreamThread-1] INFO
> > o.a.k.c.c.i.AbstractCoordinator: Discovered coordinator
> > ip-10-0-91-10.ec2.internal:9092 (id: 2147483646 rack: null) for group sa.
> > 2017-05-04 14:25:56,063 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Initiating connection to node 2147483646 at
> ip-10-0-91-10.ec2.internal:9092.
> > 2017-05-04 14:25:56,091 [StreamThread-1] INFO
> > o.a.k.c.c.i.AbstractCoordinator: (Re-)joining group sa
> > 2017-05-04 14:25:56,093 [StreamThread-1] DEBUG
> > o.a.k.s.p.i.StreamPartitionAssignor: stream-thread [StreamThread-1] found
> > [sa-events] topics possibly matching regex
> > 2017-05-04 14:25:56,096 [StreamThread-1] DEBUG o.a.k.s.p.TopologyBuilder:
> > stream-thread [StreamThread-1] updating builder with
> > SubscriptionUpdates{updatedTopicSubscriptions=[sa-events]} topic(s) with
> po
> > ssible matching regex subscription(s)
> > 2017-05-04 14:25:56,096 [StreamThread-1] DEBUG
> > o.a.k.c.c.i.AbstractCoordinator: Sending JoinGroup ((type:
> > JoinGroupRequest, groupId=sa, sessionTimeout=10000,
> > rebalanceTimeout=2147483647, memb
> > erId=, protocolType=consumer,
> >
> groupProtocols=org.apache.kafka.common.requests.JoinGroupRequest$ProtocolMetadata@2f894d9b
> ))
> > to coordinator ip-10-0-91-10.ec2.internal:9092 (id: 2147483646 rack:
> null)
> > 2017-05-04 14:25:56,097 [StreamThread-1] DEBUG o.a.k.c.n.Selector:
> Created
> > socket with SO_RCVBUF = 1048576, SO_SNDBUF = 131072, SO_TIMEOUT = 0 to
> node
> > 2147483646
> > 2017-05-04 14:25:56,097 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Completed connection to node 2147483646. Fetching API versions.
> > 2017-05-04 14:25:56,097 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Initiating API versions fetch from node 2147483646.
> > 2017-05-04 14:25:56,104 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Recorded API versions for node 2147483646: (Produce(0): 0 to 2 [usable:
> 2],
> > Fetch(1): 0 to 3 [usable: 3], Offsets(2): 0 to 1 [usable: 1],
> > Metadata(3): 0 to 2 [usable: 2], LeaderAndIsr(4): 0 [usable: 0],
> > StopReplica(5): 0 [usable: 0], UpdateMetadata(6): 0 to 2 [usable: 2],
> > ControlledShutdown(7): 1 [usable: 1], OffsetCommit(8): 0 to 2 [usable:
> > 2], OffsetFetch(9): 0 to 1 [usable: 1], GroupCoordinator(10): 0 [usable:
> > 0], JoinGroup(11): 0 to 1 [usable: 1], Heartbeat(12): 0 [usable: 0],
> > LeaveGroup(13): 0 [usable: 0], SyncGroup(14): 0 [usable: 0], Desc
> > ribeGroups(15): 0 [usable: 0], ListGroups(16): 0 [usable: 0],
> > SaslHandshake(17): 0 [usable: 0], ApiVersions(18): 0 [usable: 0],
> > CreateTopics(19): 0 [usable: 0], DeleteTopics(20): 0 [usable: 0])
> > 2017-05-04 14:29:44,800 [kafka-producer-network-thread |
> > sa-5788b5a5-aadc-4276-916f-1640008c17da-StreamThread-1-producer] DEBUG
> > o.a.k.c.NetworkClient: Node -2 disconnected.
> > 2017-05-04 14:29:44,801 [kafka-producer-network-thread |
> > sa-5788b5a5-aadc-4276-916f-1640008c17da-StreamThread-1-producer] DEBUG
> > o.a.k.c.NetworkClient: Sending metadata request (type=MetadataR
> > equest, topics=) to node 1
> > 2017-05-04 14:29:44,801 [kafka-producer-network-thread |
> > sa-5788b5a5-aadc-4276-916f-1640008c17da-StreamThread-1-producer] DEBUG
> > o.a.k.c.NetworkClient: Node -1 disconnected.
> > 2017-05-04 14:29:44,802 [kafka-producer-network-thread |
> > sa-5788b5a5-aadc-4276-916f-1640008c17da-StreamThread-1-producer] DEBUG
> > o.a.k.c.Metadata: Updated cluster metadata version 4 to Cluster
> > (id = JsVqjH3tS4CIcqpd2jkogA, nodes = [ip-10-0-91-10.ec2.internal:9092
> (id:
> > 1 rack: null), ip-10-0-95-250.ec2.internal:9092 (id: 2 rack: null)],
> > partitions = [])
> > 2017-05-04 14:30:56,062 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Sending metadata request (type=MetadataRequest, topics=<ALL>) to node 2
> > 2017-05-04 14:30:56,073 [StreamThread-1] DEBUG o.a.k.c.Metadata: Updated
> > cluster metadata version 7 to Cluster(id = JsVqjH3tS4CIcqpd2jkogA, nodes
> =
> > [ip-10-0-95-250.ec2.internal:9092 (id: 2 rack: null), ip-10
> > -0-91-10.ec2.internal:9092 (id: 1 rack: null)], partitions =
> > [Partition(topic = sa-events, partition = 0, leader = 1, replicas =
> [1,2],
> > isr = [2,1]), Partition(topic = sa-events, partition = 1, lea
> > der = 2, replicas = [1,2], isr = [2,1]), Partition(topic = sa-events,
> > partition = 2, leader = 1, replicas = [1,2], isr = [2,1])])
> > 2017-05-04 14:31:06,085 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Disconnecting from node 2147483646 due to request timeout.
> > 2017-05-04 14:31:06,086 [StreamThread-1] DEBUG
> > o.a.k.c.c.i.ConsumerNetworkClient: Cancelled JOIN_GROUP request
> >
> {api_key=11,api_version=1,correlation_id=16,client_id=sa-5788b5a5-aadc-4276-916f
> > -1640008c17da-StreamThread-1-consumer} with correlation id 16 due to node
> > 2147483646 being disconnected
> > 2017-05-04 14:31:06,086 [StreamThread-1] INFO
> > o.a.k.c.c.i.AbstractCoordinator: Marking the coordinator
> > ip-10-0-91-10.ec2.internal:9092 (id: 2147483646 rack: null) dead for
> group
> > sa
> > 2017-05-04 14:31:06,195 [StreamThread-1] DEBUG
> > o.a.k.c.c.i.AbstractCoordinator: Sending GroupCoordinator request for
> group
> > sa to broker ip-10-0-91-10.ec2.internal:9092 (id: 1 rack: null)
> > 2017-05-04 14:31:06,196 [StreamThread-1] DEBUG o.a.k.c.NetworkClient:
> > Sending metadata request (type=MetadataRequest, topics=<ALL>) to node 2
> > 2017-05-04 14:31:06,200 [StreamThread-1] DEBUG
> > o.a.k.c.c.i.AbstractCoordinator: Received GroupCoordinator response
> > ClientResponse(receivedTimeMs=1493908266200, latencyMs=5,
> > disconnected=false, requestHeader=
> >
> {api_key=10,api_version=0,correlation_id=19,client_id=sa-5788b5a5-aadc-4276-916f-1640008c17da-StreamThread-1-consumer},
> > responseBody={error_code=0,coordinator={node_id=1,host=ip-10-0-91-10.ec
> > 2.internal,port=9092}}) for group sa
> >
> >
> > On Mon, May 1, 2017 at 4:19 PM, Eno Thereska <eno.there...@gmail.com>
> wrote:
> >
> >> Hi Shimi,
> >>
> >> 0.10.2.1 contains a number of fixes that should make the out of box
> >> experience better, including resiliency under broker failures and better
> >> exception handling. If you ever get back to it, and if the problem
> happens
> >> again, please do send us the logs and we'll happily have a look.
> >>
> >> Thanks
> >> Eno
> >>> On 1 May 2017, at 12:05, Shimi Kiviti <shim...@gmail.com> wrote:
> >>>
> >>> Hi Eno,
> >>> I am afraid I played too much with the configuration to make this
> >>> productive investigation :(
> >>>
> >>> This is a QA environment which includes 2 kafka instances and 3
> zookeeper
> >>> instances in AWS. There are only 3 partition for this topic.
> >>> Kafka broker and kafka-stream are version 0.10.1.1
> >>> Our kafka-stream app run on docker using kubernetes.
> >>> I played around with with 1 to 3 kafka-stream processes, but I got the
> >>> same results. It is too easy to scale with kubernetes :)
> >>> Since there are only 3 partitions, I didn't start more then 3
> instances.
> >>>
> >>> I was too quick to upgraded only the kafka-stream app to 0.10.2.1 with
> >> hope
> >>> that it will solve the problem, It didn't.
> >>> The log I sent before are from this version.
> >>>
> >>> I did notice "unknown" offset for the main topic with kafka-stream
> >> version
> >>> 0.10.2.1
> >>> $ ./bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092
> >>> --describe --group sa
> >>> GROUP TOPIC PARTITION
> >>> CURRENT-OFFSET LOG-END-OFFSET LAG OWNER
> >>> sa sa-events 0 842199
> >>> 842199 0
> >>> sa-4557bf2d-ba79-42a6-aa05-5b4c9013c022-StreamThread-1-consumer_/
> >> 10.0.10.9
> >>> sa sa-events 1 1078428
> >>> 1078428 0
> >>> sa-4557bf2d-ba79-42a6-aa05-5b4c9013c022-StreamThread-1-consumer_/
> >> 10.0.10.9
> >>> sa sa-events 2 unknown
> >>> 26093910 unknown
> >>> sa-4557bf2d-ba79-42a6-aa05-5b4c9013c022-StreamThread-1-consumer_/
> >> 10.0.10.9
> >>>
> >>> After that I downgraded the kafka-stream app back to version 0.10.1.1
> >>> After a LONG startup time (more than an hour) where the status of the
> >> group
> >>> was rebalancing, all the 3 processes started processing messages again.
> >>>
> >>> This all thing started after we hit a bug in our code (NPE) that
> crashed
> >>> the stream processing thread.
> >>> So now after 4 days, everything is back to normal.
> >>> This worries me since it can happen again
> >>>
> >>>
> >>> On Mon, May 1, 2017 at 11:45 AM, Eno Thereska <eno.there...@gmail.com>
> >>> wrote:
> >>>
> >>>> Hi Shimi,
> >>>>
> >>>> Could you provide more info on your setup? How many kafka streams
> >>>> processes do you have and from how many partitions are they consuming
> >> from.
> >>>> If you have more processes than partitions some of the processes will
> be
> >>>> idle and won’t do anything.
> >>>>
> >>>> Eno
> >>>>> On Apr 30, 2017, at 5:58 PM, Shimi Kiviti <shim...@gmail.com> wrote:
> >>>>>
> >>>>> Hi Everyone,
> >>>>>
> >>>>> I have a problem and I hope one of you can help me figuring it out.
> >>>>> One of our kafka-streams processes stopped processing messages
> >>>>>
> >>>>> When I turn on debug log I see lots of these messages:
> >>>>>
> >>>>> 2017-04-30 15:42:20,228 [StreamThread-1] DEBUG o.a.k.c.c.i.Fetcher:
> >>>> Sending
> >>>>> fetch for partitions [devlast-changelog-2] to broker ip-x-x-x-x
> >>>>> .ec2.internal:9092 (id: 1 rack: null)
> >>>>> 2017-04-30 15:42:20,696 [StreamThread-1] DEBUG o.a.k.c.c.i.Fetcher:
> >>>>> Ignoring fetched records for devlast-changelog-2 at offset 2962649
> >> since
> >>>>> the current position is 2963379
> >>>>>
> >>>>> After a LONG time, the only messages in the log are these:
> >>>>>
> >>>>> 2017-04-30 16:46:33,324 [kafka-coordinator-heartbeat-thread | sa]
> >> DEBUG
> >>>>> o.a.k.c.c.i.AbstractCoordinator: Sending Heartbeat request for group
> >> sa
> >>>> to
> >>>>> coordinator ip-x-x-x-x.ec2.internal:9092 (id: 2147483646 rack: null)
> >>>>> 2017-04-30 16:46:33,425 [kafka-coordinator-heartbeat-thread | sa]
> >> DEBUG
> >>>>> o.a.k.c.c.i.AbstractCoordinator: Received successful Heartbeat
> >> response
> >>>> for
> >>>>> group same
> >>>>>
> >>>>> Any idea?
> >>>>>
> >>>>> Thanks,
> >>>>> Shimi
> >>>>
> >>>>
> >>
> >>
>
>
