I meant /brokers/topics/theTopic, no "partition" child. It already contains the replica list for each partition:
https://cwiki.apache.org/confluence/display/KAFKA/Kafka+data+structures+in+Zookeeper On Tue, Mar 3, 2015 at 8:00 AM, Guozhang Wang <wangg...@gmail.com> wrote: > ZK should be treated as the source of truth of the topic metadata, whereas > brokers just keep a cache of this data that can be a bit out-of-date (and > that is one possible reason of UnknownTopicOrPartition). So I would still > suggest getting data from ZK, and if some leader is not online then its > field would be "-1" but you can still get the full list of all replicas in > /brokers/topics/theTopic/ > partition. > > On Mon, Mar 2, 2015 at 11:08 PM, ChenHongHai <waldenchenka...@outlook.com> > wrote: > >> If there is 1000 brokers, and one topic only has 3 partitions, and 2 >> replica.How to easily get all broker of it? If directly get them from >> zookeeper /brokers/topics/theTopic/partition, maybe at that time some >> partition leader not on line and can't get full list of all leader and >> replica. >> If try each broker, there are so many. And if one broker return error >> code 3, may I 100% sure that broker has no any replica of this topic? >> UnknownTopicOrPartition >> 3 >> This request is for a topic or partition that does not exist on this >> broker >> > > > > > -- > -- Guozhang > -- -- Guozhang
