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open-consul
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[Revert] Only update services if tags are different 

This patch did give some better results, but break watches on
the services of a node.

It is possible to apply the same optimization for nodes than
to services (one index per instance), but it would complicate
further the patch.

Let's do it in another PR.
This commit is contained in:
Pierre Souchay 2018-02-20 23:34:38 +01:00
parent 903e866835
commit b26ea3c230
1 changed files with 2 additions and 9 deletions
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7
agent/consul/state/catalog.go
View File

@ -2,7 +2,6 @@ package state
import (
"fmt"
"reflect"
"strings"
"github.com/hashicorp/consul/agent/structs"
@ -619,12 +618,9 @@ func (s *Store) ensureServiceTxn(tx *memdb.Txn, idx uint64, node string, svc *st
// conversion doesn't populate any of the node-specific information.
// That's always populated when we read from the state store.
entry := svc.ToServiceNode(node)
hasSameTags := false
if existing != nil {
entry.CreateIndex = existing.(*structs.ServiceNode).CreateIndex
entry.ModifyIndex = idx
eSvc := existing.(*structs.ServiceNode)
hasSameTags = reflect.DeepEqual(eSvc.ServiceTags, svc.Tags)
} else {
entry.CreateIndex = idx
entry.ModifyIndex = idx
@ -643,12 +639,9 @@ func (s *Store) ensureServiceTxn(tx *memdb.Txn, idx uint64, node string, svc *st
if err := tx.Insert("services", entry); err != nil {
return fmt.Errorf("failed inserting service: %s", err)
}
if !hasSameTags {
// We need to update /catalog/services only tags are different
if err := tx.Insert("index", &IndexEntry{"services", idx}); err != nil {
return fmt.Errorf("failed updating index: %s", err)
}
}
if err := tx.Insert("index", &IndexEntry{serviceIndexName(svc.Service), idx}); err != nil {
return fmt.Errorf("failed updating index: %s", err)
}