Details
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Improvement
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Status: Resolved
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Low
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Resolution: Won't Fix
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None
Description
When creating provisioning scripts, especially when running tools like Chef, each node is launched individually. When not using vnodes your initial setup will always be unbalanced unless you handle token assignment within your scripts.
I spoke to someone recently who was using this in production and his operations team wasn't too pleased that they had to use OpsCenter as an extra step for rebalancing. Instead, we should provide this functionality out of the box for new clusters.
Instead, could we have the following options below the initial_token section?
# datacenter_index: 0 # node_index: 0 # datacenter_size: 1
The above configuration options, when uncommented, would do the math of:
token = node_index * (range / datacenter_size) + (datacenter_index * 1000000) + start_of_range
This means that users don't have to repeatedly implement the initial_token selection code nor know the range and offsets of their partitioner.
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