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Support MinIO to be deployed on more than 32 nodes (#8492)

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This PR implements locking from a global entity into
a more localized set level entity, allowing for locks
to be held only on the resources which are writing
to a collection of disks rather than a global level.

In this process this PR also removes the top-level
limit of 32 nodes to an unlimited number of nodes. This
is a precursor change before bring in bucket expansion.
This commit is contained in:
Harshavardhana
2019-11-13 12:17:45 -08:00
committed by kannappanr
parent 069b8ee8ff
commit e9b2bf00ad
58 changed files with 2312 additions and 838 deletions
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6
cmd/endpoint.go
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@@ -577,12 +577,6 @@ func CreateEndpoints(serverAddr string, args ...[]string) (string, EndpointList,
uniqueArgs.Add(endpoint.Host)
}
// Error out if we have more than serverCommandLineArgsMax unique servers.
if len(uniqueArgs.ToSlice()) > serverCommandLineArgsMax {
err := fmt.Errorf("Unsupported number of endpoints (%s), total number of servers cannot be more than %d", endpoints, serverCommandLineArgsMax)
return serverAddr, endpoints, setupType, err
}
// Error out if we have less than 2 unique servers.
if len(uniqueArgs.ToSlice()) < 2 && setupType == DistXLSetupType {
err := fmt.Errorf("Unsupported number of endpoints (%s), minimum number of servers cannot be less than 2 in distributed setup", endpoints)