fix segment info in Kafka indexing service docs#5390
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gianm merged 2 commits intoapache:masterfrom Feb 15, 2018
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fix segment info in Kafka indexing service docs#5390gianm merged 2 commits intoapache:masterfrom pjain1:kis_doc
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| will not be sufficient to keep the number of segments at an optimal level. It is recommended that scheduled re-indexing | ||
| tasks be run to merge segments together into new segments of an ideal size (in the range of ~500-700 MB per segment). | ||
| Each Kafka Indexing Task puts events consumed from Kafka partitions assigned to it in a single segment for each segment | ||
| granular interval. Kafka Indexing Task also does incremental hand-offs which means that all the segments created by a |
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I think this isn't strictly true,
Each Kafka Indexing Task puts events consumed from Kafka partitions assigned to it in a single segment for each segment granular interval.
Rather, it's going to be one segment at a time, but it might be more than one segment is maxRowsPerSegment is hit.
| This means that the task can run for longer durations of time without accumulating old segments locally on Middle Manager | ||
| nodes and it is encouraged to do so. | ||
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| Kafka Indexing Service may still produce some small segments. Lets say the task duration is 4 hours, segment granulairty |
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@gianm does this look ok now ? |
gianm
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Feb 15, 2018
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Going to merge this without CI completing since there is no way it will complain about a doc change. |
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Feb 15, 2018
* fix segment info in Kafka indexing service docs * review updates
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Backport in #5393 |
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Fixes #5384