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[KAFKA-559] Garbage collect old consumer metadata entries - Kafka - [issue]
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...Many use cases involve tranient consumers. These consumers create entries under their consumer group in zk and maintain offsets there as well. There is currently no way to delete these entri...
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http://issues.apache.org/jira/browse/KAFKA-559
Author: Jay Kreps,
2012-12-06, 17:25
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[KAFKA-560] Garbage Collect obsolete topics - Kafka - [issue]
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...Old junk topics tend to accumulate over time. Code may migrate to use new topics leaving the old ones orphaned. Likewise there are some use cases for temporary transient topics. It would be ...
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http://issues.apache.org/jira/browse/KAFKA-560
Author: Jay Kreps,
2012-12-06, 17:25
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[KAFKA-658] Implement "Exact Mirroring" functionality in mirror maker - Kafka - [issue]
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...There are two ways to implement "mirroring" (i.e. replicating a topic from one cluster to another):1. Do a simple read from the source and write to the destination with no attempt ...
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http://issues.apache.org/jira/browse/KAFKA-658
Author: Jay Kreps,
2012-12-06, 17:24
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[KAFKA-659] Support request pipelining in the network server - Kafka - [issue]
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...Currently the network layer in kafka will only process a single request at a time from a given connection. The protocol is designed to allow pipelining of requests which would improve latenc...
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http://issues.apache.org/jira/browse/KAFKA-659
Author: Jay Kreps,
2012-12-06, 17:10
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[KAFKA-629] Generalize the getOffsets call - Kafka - [issue]
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...This API is a little odd. Currently it gets a list of the first offset for each segment as well as the log end offset. It lets you filter by timestamp, though this is a bit broken because it...
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http://issues.apache.org/jira/browse/KAFKA-629
Author: Jay Kreps,
2012-12-06, 16:31
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[KAFKA-518] Replace kafka.log.SegmentList with ConcurrentSkipListMap - Kafka - [issue]
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...The Log implementation uses a custom copy-on-write array and a binary search to search for log segments. This is overengineered. We can delete this code and replace it with an off-the-shelf ...
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http://issues.apache.org/jira/browse/KAFKA-518
Author: Jay Kreps,
2012-12-06, 05:32
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[KAFKA-521] Refactor Log subsystem - Kafka - [issue]
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...There are a number of items it would be nice to cleanup in the log subsystem:1. Misc. funky apis in Log and LogManager2. Much of the functionality in Log should move into LogSegment along wi...
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http://issues.apache.org/jira/browse/KAFKA-521
Author: Jay Kreps,
2012-12-06, 05:31
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[KAFKA-561] Rebuild index file for a log segment if there is none - Kafka - [issue]
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...There are two ways an index file could be missing:1. Someone could delete it or it could be lost due to file corruption2. The server could crash in the middle of rolling the log after having...
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http://issues.apache.org/jira/browse/KAFKA-561
Author: Jay Kreps,
2012-12-06, 05:13
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[KAFKA-653] Allow getTopicMetadata to get metadata for all topics - Kafka - [issue]
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...Currently the topic metadata api requires a list of topics. This is good when you know what you want, but for tools that need to replicate all topics or those that match a pattern or somethi...
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http://issues.apache.org/jira/browse/KAFKA-653
Author: Jay Kreps,
2012-12-06, 05:10
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[KAFKA-545] Add a Performance Suite for the Log subsystem - Kafka - [issue]
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...We have had several performance concerns or potential improvements for the logging subsystem. To conduct these in a data-driven way, it would be good to have a single-machine performance tes...
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http://issues.apache.org/jira/browse/KAFKA-545
Author: Jay Kreps,
2012-12-05, 22:09
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