HBASE-23708 Support metrics for region traffic #1069
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This error can be ignored. I didn't change it. What about the others?
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saintstack
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Jan 20, 2020
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Thanks for doing this. For sure we are not double counting? These are not exposed already? If not, nice addition. They just show in JMX? Exposing them in UI would be a follow-on?
Thanks for doing this.
| if (mutation instanceof Put) { | ||
| HRegion.updateCellTimestamps(familyCellMaps[index].values(), byteTS); | ||
| miniBatchOp.incrementNumOfPuts(); | ||
| miniBatchOp.incrementBytesForPuts(mutation.heapSize()); |
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Do we traverse any synchronize blocks here or update any volatiles? In other words, wondering what the cost of these updates are.
We are also bulking up metrics w/ these added numbers... the metrics we send the master on each report (every second or so).
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We spend a lot of cpu counting currently. This adds to the counting load.
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@saintstack Thanks for review
At present, we only have aggregate information and cannot know how much network resources are used in each region.
| public void updatePut(final long size) { | ||
| source.updatePut(); | ||
| source.updatePutBytes(size); | ||
| source.updateReceivedBytes(size); |
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What is the difference between put and received? They are not the same?
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Received contains all write operations such as increment/append/put/bulkload, putBytes consists of its own
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I think we need some metrics to measure the amount of traffic being read and written to each region, which can help us more clearly analyze how much network resources are consumed by each region.
putBytes/getBytes/scanBytes/deleteBytes/incrementBytes/appendBytes/bulkLoadBytes