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October 18, 2017 14:46
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tozhan-zz
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Oct 19, 2017
| val clientId = request.header.clientId | ||
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| var result = clientId.split('_'); | ||
| var eventPattern = result(1); |
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In Kafka 0.11, you can use Record Header to store eventPattern info.
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Yes, that is my previous plan, but it need additional work to parse it from header. I think this is not the highest priority issue we need to resolve, we could left hack way here and make code work firstly.
tozhan-zz
reviewed
Oct 19, 2017
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| while (batchs.hasNext()) { |
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yes, should be. But I test this two separately and add them together, so this is not the issue cause get out key failed.
tozhan-zz
reviewed
Oct 19, 2017
| var eventPatternRegex = eventPattern.r; | ||
| var records = logReadInfo.records.batches().iterator(); | ||
| if (!eventPatternRegex.findFirstIn(key.toString).isDefined) { | ||
| records.remove(); |
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Need we store the final records to the result?
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Need to double check and confirm this thing after resolve get out key failed issue.
kondetibharat
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Jan 16, 2020
…pache#7305) A partition log in initialized in following steps: 1. Fetch log config from ZK 2. Call LogManager.getOrCreateLog which creates the Log object, then 3. Registers the Log object Step #3 enables Configuration update thread to deliver configuration updates to the log. But if any update arrives between step #1 and #3 then that update is missed. It breaks following use case: 1. Create a topic with default configuration, and immediately after that 2. Update the configuration of topic There is a race condition here and in random cases update made in second step will get dropped. This change fixes it by tracking updates arriving between step #1 and #3 Once a Partition is done initializing log, it checks if it has missed any update. If yes, then the configuration is read from ZK again. Added unit tests to make sure a dirty configuration is refreshed. Tested on local cluster to make sure that topic configuration and updates are handled correctly. Reviewers: Jason Gustafson <[email protected]>
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This is a draft code change, there are a lot of hard code and bug inside.