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author | Bryan Newbold <bnewbold@archive.org> | 2020-04-24 16:12:13 -0700 |
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committer | Bryan Newbold <bnewbold@archive.org> | 2020-04-24 16:12:13 -0700 |
commit | a8d76d29c23b9aaf32fe531e56244bb3422a23aa (patch) | |
tree | 2016fcd8e337bca59bda99ab030e9c97c58dde0d | |
parent | 9adef98909e24179a6466da8716794c95173412b (diff) | |
download | sandcrawler-a8d76d29c23b9aaf32fe531e56244bb3422a23aa.tar.gz sandcrawler-a8d76d29c23b9aaf32fe531e56244bb3422a23aa.zip |
kafka: more reblance notes
-rw-r--r-- | kafka/howto_rebalance.md | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kafka/howto_rebalance.md b/kafka/howto_rebalance.md index 06ae507..d68b205 100644 --- a/kafka/howto_rebalance.md +++ b/kafka/howto_rebalance.md @@ -1,5 +1,15 @@ -## Rebalance Storage Between Brokers +## Rebalance Storage Between Brokers (kafka-manager web) + +For each topic you want to rebalance (eg, the large or high-throughput ones), +go to the topic page and do the blue "reassign partitions" button (or +potentially "generate" or "manual"). + +Monitor progress with the "Reassign Partitions" link at top of the page. + +Finally, run a preferred replica election after partition movement is complete. + +## Rebalance Storage Between Brokers (CLI) For example, after adding or removing brokers from the cluster. @@ -27,3 +37,6 @@ If that looks good, start the rebalance: Then monitor progress: ./kafka-reassign-partitions.sh --zookeeper localhost:2181 --reassignment-json-file /tmp/new-plan.json --verify + +Finally, run a preferred replica election after partition movement is complete. +Currently do this through the web interface (linked above). |