[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.
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@ -2,7 +2,6 @@ package state
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import (
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"fmt"
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"reflect"
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"strings"
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"github.com/hashicorp/consul/agent/structs"
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@ -619,12 +618,9 @@ func (s *Store) ensureServiceTxn(tx *memdb.Txn, idx uint64, node string, svc *st
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// conversion doesn't populate any of the node-specific information.
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// That's always populated when we read from the state store.
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entry := svc.ToServiceNode(node)
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hasSameTags := false
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if existing != nil {
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entry.CreateIndex = existing.(*structs.ServiceNode).CreateIndex
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entry.ModifyIndex = idx
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eSvc := existing.(*structs.ServiceNode)
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hasSameTags = reflect.DeepEqual(eSvc.ServiceTags, svc.Tags)
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} else {
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entry.CreateIndex = idx
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entry.ModifyIndex = idx
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@ -643,11 +639,8 @@ func (s *Store) ensureServiceTxn(tx *memdb.Txn, idx uint64, node string, svc *st
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if err := tx.Insert("services", entry); err != nil {
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return fmt.Errorf("failed inserting service: %s", err)
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}
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if !hasSameTags {
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// We need to update /catalog/services only tags are different
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if err := tx.Insert("index", &IndexEntry{"services", idx}); err != nil {
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return fmt.Errorf("failed updating index: %s", err)
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}
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if err := tx.Insert("index", &IndexEntry{"services", idx}); err != nil {
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return fmt.Errorf("failed updating index: %s", err)
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}
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if err := tx.Insert("index", &IndexEntry{serviceIndexName(svc.Service), idx}); err != nil {
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return fmt.Errorf("failed updating index: %s", err)
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