Add batching to Graphite inputs #2683
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This means that batch sizes of 0 mean send immediately (like a batch size of 1).
This is more useful for client code, and is a more common Go pattern. As a result the goroutine is launched within start.
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| for { | ||
| // Read up to the next newline. | ||
| buf, err := reader.ReadBytes('\n') | ||
| if err != nil { | ||
| close(done) |
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Do we need some type of flusher on the batcher so that when we shut down we can ensure it drains the batch before we exit?
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This looks good. My only concern is that we don't drain a batch on shutdown, which could mean we lose data that was in flight. We could always add that later as well if we don't want to support that now. |
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Thanks @corylanou -- I agree that is a good idea. Let me get on that immediately after merging this, OK? |
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+1 🚢 |
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Add batching to Graphite inputs
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This change integrates the new
PointBatcherwith the Graphite inputs. Most of the work involves passing batching configuration parameters to the Graphite inputs and having those same inputs use the batcher.There was also one change made to the batcher itself. Previously client code had to pass in channels for sending and receiving points (and point-batches). Now the batcher creates those same channels itself, and returns them. That can be seen in this commit: a9ba189
All Graphite inputs come up with a batch size of 1 by default. This means the lowest performance, but the maximum safety with regards to data loss.