Re: Kafka capabilities

2024-04-04 Thread Kafka Life
Dear Kafka experts , Could anyone having this data share the details please On Wed, Apr 3, 2024 at 3:42 PM Kafka Life wrote: > Hi Kafka users > > Does any one have a document or ppt that showcases the capabilities of > Kafka along with any cost management capability? > i have

Kafka capabilities

2024-04-03 Thread Kafka Life
Hi Kafka users Does any one have a document or ppt that showcases the capabilities of Kafka along with any cost management capability? i have a customer who is still using IBM MQM and rabbit MQ. I want the client to consider kafka for messaging and data streaming. I wanted to seek your expert

RE: Re: Kafka trunk test & build stability

2024-02-03 Thread kafka
/userguide/more_about_tasks.html#sec:task_timeouts [1] https://issues.apache.org/jira/browse/KAFKA-16219 Best, Gaurav On 2024/01/25 21:49:00 Justine Olshan wrote: > It looks like there was some server maintenance that shut down Jenkins. > Upon coming back up, the builds were expired but

Re: [VOTE] 3.7.0 RC2

2024-01-26 Thread kafka
Apologies, I duplicated KAFKA-16157 twice in my previous message. I intended to mention KAFKA-16195 with the PR at https://github.com/apache/kafka/pull/15262 as the second JIRA. Thanks, Gaurav > On 26 Jan 2024, at 15:34, ka...@gnarula.com wrote: > > Hi Stan, > > I wanted to sha

Re: [VOTE] 3.7.0 RC2

2024-01-26 Thread kafka
Hi Stan, I wanted to share some updates about the bugs you shared earlier. - KAFKA-14616: I've reviewed and tested the PR from Colin and have observed the fix works as intended. - KAFKA-16162: I reviewed Proven's PR and found some gaps in the proposed fix. I've therefore raised https

Re: [VOTE] 3.7.0 RC2

2024-01-24 Thread kafka
Hi Stanislav, Thanks for bringing these JIRAs/PRs up. I'll be testing the open PRs for KAFKA-14616 and KAFKA-16162 this week and I hope to have some feedback by Friday. I gather the latter JIRA is marked as a WIP by Proven and he's away. I'll try to build on his work in the meantime

Re: [ANNOUNCE] New committer: Greg Harris

2023-07-10 Thread kafka
gt; >>>>>> ——— >>>>>> Josep Prat >>>>>> >>>>>> Aiven Deutschland GmbH >>>>>> >>>>>> Alexanderufer 3-7, 10117 Berlin >>>>>> >>>>>> Amtsgericht Charlottenbu

Permission to contribute to Apache Kafka

2023-06-26 Thread kafka
Hi, I'd like to request permissions to contribute to Apache Kafka. My account details are as follows: # Wiki Email: gaurav_naru...@apple.com <mailto:gaurav_naru...@apple.com> Username: gnarula # JIRA Email: gaurav_naru...@apple.com <mailto:gaurav_naru...@apple.com> Username: gnar

Consumer offset value -Apache kafka 3.2.3

2023-04-26 Thread Kafka Life
Dear Kafka Experts How can we check for a particular offset number in Apache kafka 3.2.3 version.Could you please share some light. The kafka_console_consumer tool is throwing class not found error. ./kafka-run-class.sh kafka.tools.ConsumerOffsetChecker --topic your-topic --group

Re: Consumer Lag Metrics/ Topic level metrics

2023-04-26 Thread Kafka Life
Many thanks Samuel. Will go thru this. On Tue, Apr 25, 2023 at 9:03 PM Samuel Delepiere < samuel.delepi...@celer-tech.com> wrote: > Hi, > > I use a combination of the Prometheus JMX exporter ( > https://github.com/prometheus/jmx_exporter) and the Prometheus Kafka > exporte

Consumer Lag Metrics/ Topic level metrics

2023-04-25 Thread Kafka Life
Dear Kafka Experts Could you please suggest good metrics exporter for consumer lag and topic level metrics apart from Linkedin kafka burrow for the kafka broker cluster.

Zookeeper upgrade 3.4.14 to 3.5.7

2023-04-12 Thread Kafka Life
Hi Kafka , zookeeper experts Is it possible to upgrade the 3.4.14 version of zookeeper cluster in a rolling fashion (one by one node) to 3.5.7 zookeeper version. Would the cluster work with a possible combination of 3.4.14 and 3.5.7 . Please advise .

Re: Kafka Metrics to Grafana Labs

2023-04-08 Thread Kafka Life
Any help from these experts ? On Sat, Apr 8, 2023 at 2:23 PM Kafka Life wrote: > Hello Kafka Experts > > Need a help . Currently the grafana agent > triggering kafka/3.2.3/config/kafka_metrics.yml is sending over 5 thousand > metrics. Is there a way to limit these many met

Kafka Metrics to Grafana Labs

2023-04-08 Thread Kafka Life
Hello Kafka Experts Need a help . Currently the grafana agent triggering kafka/3.2.3/config/kafka_metrics.yml is sending over 5 thousand metrics. Is there a way to limit these many metrics to be sent and send only what is required .Any pointers or such customized script is much appreciated.kafka

Re: Kafka (apache or confluent) - Subject of Work (SOW)

2023-04-06 Thread Kafka Life
Hi experts.. any pointers or guidance for this On Wed, Apr 5, 2023 at 8:35 PM Kafka Life wrote: > Respected Kafka experts/managers > > Do anyone have Subject of work -Activities related to Kafka cluster > management for Apache or Confluent kafka . Something to assess

Kafka (apache or confluent) - Subject of Work (SOW)

2023-04-05 Thread Kafka Life
Respected Kafka experts/managers Do anyone have Subject of work -Activities related to Kafka cluster management for Apache or Confluent kafka . Something to assess and propose to an enterprise for kafka cluster management. Request you to kindly share any such documentation please.

Re: Kafka Cluster WITHOUT Zookeeper

2023-03-28 Thread Kafka Life
This is really great information Paul . Thank you . On Tue, Mar 28, 2023 at 4:01 AM Brebner, Paul wrote: > I have a recent 3 part blog series on Kraft (expanded version of ApacheCon > 2022 talk): > > > > > https://www.instaclustr.com/blog/apache-kafka-kraft-abandons

Re: Apache Kafka version - End of support

2023-03-27 Thread Kafka Life
Many thanks Joseph for your response On Mon, Mar 27, 2023 at 4:50 PM Josep Prat wrote: > Hello there, > > You can find the general policy here: > > https://cwiki.apache.org/confluence/display/KAFKA/Time+Based+Release+Plan#TimeBasedReleasePlan-WhatIsOurEOLPolicy > >

Apache Kafka version - End of support

2023-03-27 Thread Kafka Life
> > > Hello Kafka experts > > where can i see the end of support for apache kafka versions? i would like > to know about 0.11 Kafka version on when was this deprecated >

Kafka Cluster WITHOUT Zookeeper

2023-03-26 Thread Kafka Life
Hello Kafka experts Is there a way where we can have Kafka Cluster be functional serving producers and consumers without having Zookeeper cluster manage the instance . Any particular version of kafka for this or how can we achieve this please

Re: Consumer Lag-Apache_kafka_JMX metrics

2022-08-16 Thread Kafka Life
Hello Experts, Any info or pointers on my query please. On Mon, Aug 15, 2022 at 11:36 PM Kafka Life wrote: > Dear Kafka Experts > we need to monitor the consumer lag in kafka clusters 2.5.1 and 2.8.0 > versions of kafka in Grafana. > > 1/ What is the correct path for JMX metr

Consumer Lag-Apache_kafka_JMX metrics

2022-08-15 Thread Kafka Life
Dear Kafka Experts we need to monitor the consumer lag in kafka clusters 2.5.1 and 2.8.0 versions of kafka in Grafana. 1/ What is the correct path for JMX metrics to evaluate Consumer Lag in kafka cluster. 2/ I had thought it is FetcherLag but it looks like it is not as per the link below

Re: HACKING vulnerability is SpringBoot (Java) for apache kafka

2022-04-04 Thread Kafka Life
Dear Luke , Thank you for your kind and prompt response. On Mon, Apr 4, 2022 at 1:23 PM Luke Chen wrote: > Hi, > > The impact for the CVE-2022-22965? Since this is a RCE vulnerability, which > means the whole system (including Kafka and ZK) is under the attackers' > cont

HACKING vulnerability is SpringBoot (Java) for apache kafka

2022-04-04 Thread Kafka Life
Hi Kafka Experts Regarding the recent threat of vulnerability in spring framework , CVE-2022-22965 vulnerability is SpringBoot (Java) for apache kafka and Zookeeper. Could one of you suggest how Apache kafka and zk are impacted and what should be the ideal fix for this . Vulnerability

Re: KAFKA- UNDER_REPLICATED_PARTIONS - AUTOMATE

2022-02-27 Thread Kafka Life
Thank you Malcolm. Will go through this. On Sat, Feb 26, 2022 at 2:22 AM Malcolm McFarland wrote: > Maybe this could help? > https://github.com/dimas/kafka-reassign-tool > > Cheers, > Malcolm McFarland > Cavulus > > > On Fri, Feb 25, 2022 at 9:00 AM Kafka Life

Re: KAFKA- UNDER_REPLICATED_PARTIONS - AUTOMATE

2022-02-25 Thread Kafka Life
Dear Experts do you have any solution for this please On Tue, Feb 22, 2022 at 8:31 PM Kafka Life wrote: > Dear Kafka Experts > > Does anyone have a dynamically generated Json file based on the Under > replicated partition in the kafka cluster. > Everytime when the URP is increa

KAFKA- UNDER_REPLICATED_PARTIONS - AUTOMATE

2022-02-22 Thread Kafka Life
Dear Kafka Experts Does anyone have a dynamically generated Json file based on the Under replicated partition in the kafka cluster. Everytime when the URP is increased to over 500 , it is a tedious job to manually create a Json file . I request you to share any such dynamically generated script

Mirror Maker Issue : Huge difference in topic size on disk

2022-02-06 Thread Kafka Life
Dear Kafka Experts , Need your advice please I am running a mirror maker in kafka 2.8 to replicate a topic from kafka 0.11 instance. The size of each partition for a topic on 0.11 is always in 5 to 6 GB but the replicated topic in 2.8 instances is in 40 GB for the same partition. The topic

Kafka : High avaialability settings

2021-11-08 Thread Kafka Life
Dear Kafka experts i have a 10 broker kafka cluster with all topics having replication factor as 3 and partition 50 min.in.synch replicas is 2. One broker went down for a hardware failure, but many applications complained they are not able to produce /consume messages. I request you to please

Re: Automation Script : Kafka topic creation

2021-11-08 Thread Kafka Life
Thank you Men and Ran On Sat, Nov 6, 2021 at 7:23 PM Men Lim wrote: > I'm currently using Kafka-gitops. > > On Sat, Nov 6, 2021 at 3:35 AM Kafka Life wrote: > > > Dear Kafka experts > > > > does anyone have ready /automated script to create /delete /a

Automation Script : Kafka topic creation

2021-11-06 Thread Kafka Life
Dear Kafka experts does anyone have ready /automated script to create /delete /alter topics in different environments? taking Configuration parameter as input . if yes i request you to kindly share it with me .. please

Re: New Kafka Consumer : unknown member id

2021-11-05 Thread Kafka Life
Hello Luke i have build a new kafka environment with kafka 2.8.0 the consumer is a new consumer set up to this environment is throwing the below error... the old consumers for the same applications for the same environment -2.8.0 is working fine.. . could you please advise 2021-11-02 12:25:24

New Kafka Consumer : unknown member id

2021-10-28 Thread Kafka Life
Dear Kafka Experts We have set up a group.id (consumer ) = YYY But when tried to connect to kafka instance : i get this error message. I am sure this consumer (group id does not exist in kafka) .We user plain text protocol to connect to kafka 2.8.0. Please suggest how to resolve this issue

Apache Kafka : start up scripts

2021-10-27 Thread Kafka Life
Dear Kafka experts when an broker is started using start script , could any of you please let me know the sequence of steps that happens in the back ground when the node UP like : when the script is initiated to start , 1/ is it checking indexes .. ? 2/ is it checking isr ? 3/ is URP being made

Re: Zookeeper : Throttling connections

2021-07-16 Thread Kafka Life
Thank you very much Mr. Israel Ekpo. Really appreciate it. We are using the 0.10 version of kafka and in the process of upgrading to 2.6.1 . Planning in process and Yes, these connections to zookeepers are for Kafka functionality. frequently there are incidents where zookeepers get bombarded

Zookeeper : Throttling connections

2021-07-16 Thread Kafka Life
Dear KAFKA & Zookeeper experts. 1/ What is zookeeper Throttling ? Is it done at zookeepr ? How is it set configured ? 2/ Is it helpful ?

consumer group exit :explanation

2021-07-04 Thread Kafka Life
Dear kafka Experts Could one of you please help to explain what this below log in broker instance mean..and what scenarios it would occur when there is no change done . INFO [GroupCoordinator 9610]: Member webhooks-retry-app-840d3107-833f-4908-90bc-ea8c394c07c3-StreamThread-2-consumer-f87c3b85

Consumer Reporting error

2021-06-16 Thread Kafka Life
Hello Kafka experts The consumer team is reporting issue while consuming the data from the topic as Singularity Header issue. Can some one please tell on how to resolve this issue. Error looks like ; Starting offset: 1226716 offset: 1226716 position: 0 CreateTime: 1583780622665 isvalid: true

Apache Version upgrade

2021-06-08 Thread Kafka Life
Dear Kafka Experts 1- Can any one share the upgrade plan with steps /Plan /tracker or any useful documentation please. 2- upgrading kafka from old version of 0.11 to 2.5 .Any suggestions/directions is highly appreciated. Thanks

confluent-kafka python library is not working with ubutu14 and python3

2020-08-28 Thread Kafka Shil
I am using "confluent-kafka==1.0.1". It works fine when I am using py3 and ubuntu18, but fails with py3 and ubuntu14. I get the following error. Traceback (most recent call last): File "/usr/local/lib/python3.4/dist-packages/metrics_agent/kafka_writer.py", line 147,

Contribute to kafka

2020-05-25 Thread Kafka Shil
Hi My jira id is sshil. I want to contribute to kafka. Can you please add me to the contributors list?

Pristine Zookeeper and Kafka (via Docker) producing OFFSET_OUT_OF_RANGE for Fetch

2020-03-10 Thread kafka
Hi all, I'm implementing a custom client. I was wondering whether anyone could explain the OFFSET_OUT_OF_RANGE error in this scenario. My test suite tears down and spins up a fresh zookeeper and kafka every time inside a pristine docker container. The test suite runs as: 1. Producer runs

Re: How to change schema registry port

2019-12-25 Thread Kafka Shil
On Wed, Dec 25, 2019 at 5:51 PM Kafka Shil wrote: > Hi, > I am using docker compose file to start schema-registry. I need to change > default port to 8084 instead if 8081. I made the following changes in > docker compose file. > > schema-registry: > image: confluenti

How to change schema registry port

2019-12-25 Thread Kafka Shil
Hi, I am using docker compose file to start schema-registry. I need to change default port to 8084 instead if 8081. I made the following changes in docker compose file. schema-registry: image: confluentinc/cp-schema-registry:5.3.1 hostname: schema-registry container_name:

[jira] [Created] (KAFKA-7710) Poor Zookeeper ACL management with Kerberos

2018-12-05 Thread Mr Kafka (JIRA)
Mr Kafka created KAFKA-7710: --- Summary: Poor Zookeeper ACL management with Kerberos Key: KAFKA-7710 URL: https://issues.apache.org/jira/browse/KAFKA-7710 Project: Kafka Issue Type: Bug

[jira] [Created] (KAFKA-7510) KStreams RecordCollectorImpl leaks data to logs on error

2018-10-15 Thread Mr Kafka (JIRA)
Mr Kafka created KAFKA-7510: --- Summary: KStreams RecordCollectorImpl leaks data to logs on error Key: KAFKA-7510 URL: https://issues.apache.org/jira/browse/KAFKA-7510 Project: Kafka Issue Type: Bug

[jira] [Created] (KAFKA-7349) Long Disk Writes cause Zookeeper Disconnects

2018-08-27 Thread Adam Kafka (JIRA)
Adam Kafka created KAFKA-7349: - Summary: Long Disk Writes cause Zookeeper Disconnects Key: KAFKA-7349 URL: https://issues.apache.org/jira/browse/KAFKA-7349 Project: Kafka Issue Type: Bug

client use high cpu which caused by delayedFetch operation immediately return

2016-10-08 Thread Kafka
fset.positionDiff(fetchOffset), fetchStatus.fetchInfo.fetchSize) } } so we can ensure that our fetchOffset’s segmentBaseOffset is not the same as endOffset’s segmentBaseOffset,then we check our topic-partition’s segment, we found the data in the segment is all cleaned by the ka

Re: Does Kafka 0.9 can guarantee not loss data

2016-09-23 Thread Kafka
Oh please ignore my last reply. I find if leaderReplica.highWatermark.messageOffset >= requiredOffset , this can ensure all replicas’ leo in curInSyncReplicas is >= the requiredOffset. > 在 2016年9月23日,下午3:39,Kafka <kafka...@126.com> 写道: > > OK, the example before is n

Re: Does Kafka 0.9 can guarantee not loss data

2016-09-23 Thread Kafka
} why not the code as belows, if (minIsr <= curInSyncReplicas.size && minIsr <= numAcks) { (true, ErrorMapping.NoError) } else { (true, ErrorMapping.NotEnoughReplicasAfterAppendCode) } Its seems that only one condition in kafka broker’s code is not en

Re: Does Kafka 0.9 can guarantee not loss data

2016-09-22 Thread Kafka
@wangguozhang,could you give me some advices. > 在 2016年9月22日,下午6:56,Kafka <kafka...@126.com> 写道: > > Hi all, > in terms of topic, we create a topic with 6 partition,and each with 3 > replicas. >in terms of producer,when we send message with ack -1

Does Kafka 0.9 can guarantee not loss data

2016-09-22 Thread Kafka
Hi all, in terms of topic, we create a topic with 6 partition,and each with 3 replicas. in terms of producer,when we send message with ack -1 using sync interface. in terms of brokers,we set min.insync.replicas to 2. after we review the kafka broker’s code,we know

Re: Compacted topic cannot accept message without key

2016-07-18 Thread Kafka
thanks for your answer,I know the necessity of key for compacted topics,and as you know,__consumer_offsets is a internal compacted topic in kafka,and it’s key is a triple of <groupid, topic, partition>,these errors are occurred when the consumer client wants to commit group offset. so wh

Compacted topic cannot accept message without key

2016-07-18 Thread Kafka
Hi, The server log shows error as belows on broker 0.9.0. ERROR [Replica Manager on Broker 0]: Error processing append operation on partition [__consumer_offsets,5] (kafka.server.ReplicaManager) kafka.message.InvalidMessageException: Compacted topic cannot accept message without

__consumer_offsets leader is -1

2016-07-07 Thread Kafka
Hi, __consumer_offsets ’s partition 7 and partition 27 leader is -1, and isr is null,who can tell me how to recover it,thank you. Topic: __consumer_offsets Partition: 0Leader: 3 Replicas: 3,4,5 Isr: 4,5,3 Topic: __consumer_offsets Partition: 1Leader: 4

Re: delay of producer and consumer in kafka 0.9 is too big to be accepted

2016-06-27 Thread Kafka
can someone please explain why latency is so big for me?thanks > 在 2016年6月25日,下午11:16,Jay Kreps <j...@confluent.io> 写道: > > Can you sanity check this with the end-to-end latency test that ships with > Kafka in the tools package? > > https://apach

delay of producer and consumer in kafka 0.9 is too big to be accepted

2016-06-25 Thread Kafka
Hi all, my kafka cluster is composed of three brokers with each have 8core cpu and 8g memory and 1g network card. with java async client,I sent 100 messages with size of 1024 bytes per message ,the send gap between each sending is 20us,the consumer’s config is like

Re: test of producer's delay and consumer's delay

2016-06-18 Thread Kafka
od, so it will not be the bottlenecks. > 在 2016年6月18日,下午10:29,Kafka <kafka...@126.com> 写道: > > I send every message with timestamp, and when I receive a message,I do a > subtraction between current timestamp and message’s timestamp. then I get > the consumer’s delay. > >> 在 20

Re: test of producer's delay and consumer's delay

2016-06-18 Thread Kafka
I send every message with timestamp, and when I receive a message,I do a subtraction between current timestamp and message’s timestamp. then I get the consumer’s delay. > 在 2016年6月18日,上午11:28,Kafka <kafka...@126.com> 写道: > >

test of producer's delay and consumer's delay

2016-06-17 Thread Kafka
hello,I have done a series of tests on kafka 0.9.0,and one of the results confused me. test enviroment: kafka cluster: 3 brokers,8core cpu / 8g mem /1g netcard client:4core cpu/4g mem topic:6 partitions,2 replica total messages:1 singal message size:1024byte

kafka 0.8.2.1 High CPU load

2016-04-22 Thread Kafka
use Top util, we can see 280% cpu unilization, then i use JSTACK, I found there are 4 threads use cpu most, which show below: "kafka-network-thread-9092-0" prio=10 tid=0x7f46c8709000 nid=0x35dd runnable [0x7f46b73f2000] java.lang.Thread.State: RUNNABLE "kafka-network-thre