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# Which Problems Are Solved On Zitadel cloud we found changing the order of columns in the `eventstore.events2_current_sequence` index improved CPU usage for the `SELECT ... FOR UPDATE` query the pusher executes. # How the Problems Are Solved `eventstore.events2_current_sequence`-index got replaced # Additional Context closes https://github.com/zitadel/zitadel/issues/9082
40 lines
919 B
Go
40 lines
919 B
Go
package setup
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import (
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"context"
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"embed"
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"fmt"
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"github.com/zitadel/logging"
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"github.com/zitadel/zitadel/internal/database"
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"github.com/zitadel/zitadel/internal/eventstore"
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)
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var (
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//go:embed 44/*.sql
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replaceCurrentSequencesIndex embed.FS
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)
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type ReplaceCurrentSequencesIndex struct {
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dbClient *database.DB
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}
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func (mig *ReplaceCurrentSequencesIndex) Execute(ctx context.Context, _ eventstore.Event) error {
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statements, err := readStatements(replaceCurrentSequencesIndex, "44", "")
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if err != nil {
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return err
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}
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for _, stmt := range statements {
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logging.WithFields("file", stmt.file, "migration", mig.String()).Info("execute statement")
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if _, err := mig.dbClient.ExecContext(ctx, stmt.query); err != nil {
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return fmt.Errorf("%s %s: %w", mig.String(), stmt.file, err)
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}
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}
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return nil
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}
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func (mig *ReplaceCurrentSequencesIndex) String() string {
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return "44_replace_current_sequences_index"
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}
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