2019-07-28 10:37:35 UTC - Igor Zubchenok: We are still using Pulsar 2.2 and looking forward to update to the latest 2.4.0. Our company uses Pulsar for message queueing and we create a topic per user. We run Pulsar on 3 good bare metal servers. And currently we have around 100K concurrent sessions and topics. During the day we create and delete millions of topics.
Previously @Matteo Merli and @Sijie Guo spend a lot of time to optimise Pulsar to work with large number of topics, disabled many things that makes Pulsar cluster overloaded and unstable in such case. My question is: may be you have already have prepared configuration recommendations or admin guide for using Pulsar with huge number of topics? ---- 2019-07-28 13:44:51 UTC - Gaurav: @Gaurav has joined the channel ---- 2019-07-28 13:45:03 UTC - Amit Kaushal: @Amit Kaushal has joined the channel ---- 2019-07-28 14:04:42 UTC - Amit Kaushal: Hi All, My name is Amit K , I am new to Pulsar. I have just started evaluating Pulsar. In our usecase we are using ActiveMq (broker of network) and we are having 100+ (4K destination) JMS customer using this broker of network . We are planning to replace ActiveMQ with Pulsar. But we don't want client to be aware of this platform change we still want them use JMS client library initially and later make them to use pulsar client library. Is it possible ? Does Pulsar support JMS atleast to support old client ? Our TPS is 10K with average of 10K payload size. ---- 2019-07-28 17:36:50 UTC - Jerry Peng: @Amit Kaushal what version of JMS are you using? ---- 2019-07-28 17:42:41 UTC - David Kjerrumgaard: @Amit Kaushal It sounds like you have several applications that utilize the JMS library to produce / consume messages and you are looking for a way to introduce Pulsar w/o having to change the application libraries on those apps. Is that a safe assumption? What features of JMS are you using, e.g transactions, etc. ---- 2019-07-29 07:34:02 UTC - gyb997: @gyb997 has joined the channel ---- 2019-07-29 07:50:26 UTC - Amit Kaushal: JMS 1.0 , ActiveMQ 5.x version ---- 2019-07-29 08:05:00 UTC - Amit Kaushal: Yes David your assumption is correct, we have multiple customer some are using Spring JMS template and some are using plain JMS client code. Yes we use transaction, message redelivery , autoAck based message delivery. Basically we want to know do we support Openwire protocol in Pulsar so that our client doesn't need to change ----
