Comments (3)
Is it really desirable ?
- putting s3 and bucketd on different hosts may result in increasing latency
- putting s3 and sproxyd on different hosts may result in increasing the network bandwdith
Also to do that in production
- the failover/retry needs to be pretty reliable
- load balancing wil come in the picture
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putting s3 and bucketd on different hosts may result in increasing latency
First, the point is to have a behavior that, by default, privileges the one on the same host (in the best case nothing changes)
Second, Sure, going from S3 D to Bucketd A only to go to Repd C includes one more useless hop, so it might not be the most interesting part of this proposal.
Now, I do not have any knowledge of any official decision about either forcing everything-on-localhost vs do-whatever-you-want; in terms of flexibility for the installation. This piece of code would enable any of those two decisions; without judgement on this.
putting s3 and sproxyd on different hosts may result in increasing the network bandwdith
Well, I do not know if there's much difference between having a local sproxyd that sends to a remote RING, versus having a remote sproxyd that sends to the RING on its own host. I feel like there should not be much differences in terms of performance; but you can prove me wrong.
Also, I'm really scared about having to manage the sproxyd configuration from federation. I do not think we should go that way.
the failover/retry needs to be pretty reliable
Sure, I agree. And that's why it should only be written once and properly tested, than written multiple times and badly tested. (and I know it won't convince you).
load balancing wil come in the picture
That's the part I have no answer for.
But you know.... This issue has been up for a while, including for discussions, and no one discussed it...........
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After offline discussion:
- We need to have a real decision on the deployment design and flexibility. I'll be summoning @GiorgioRegni and @vrancurel for this :)
- The only potentially hard-to-discuss point is the sproxyd deployment (right version) and its configuration management. Some work is currently ongoing on our side to try and improve this.
- Load balancing is the most important worry, that shall enter in the equation for the decision related to 1.
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