> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-postgresql-tls-support.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# paramètres de table MergeTree max_postpone_*

> Paramètres de table MergeTree de ClickHouse dans le groupe généré max_postpone_*.

export const VersionHistory = ({rows = []}) => {
  if (rows.length === 0) {
    return null;
  }
  const headers = ["Version", "Valeur par défaut", "Commentaire"];
  const border = "1px solid rgba(128, 128, 128, 0.3)";
  const cell = {
    border,
    padding: "0.25rem 0.5rem",
    textAlign: "start",
    verticalAlign: "top"
  };
  return <details className="not-prose" style={{
    border,
    borderRadius: "0.5rem",
    margin: "0.5rem 0",
    padding: "0.5rem 0.75rem",
    fontSize: "0.8125rem",
    lineHeight: "1.125rem"
  }}>
      <summary style={{
    cursor: "pointer",
    fontWeight: 600,
    opacity: 0.72
  }}>
        Historique des versions
      </summary>
      <table style={{
    borderCollapse: "collapse",
    width: "100%",
    margin: "0.5rem 0 0"
  }}>
        <thead>
          <tr>
            {headers.map(header => <th key={header} style={{
    ...cell,
    fontWeight: 600,
    opacity: 0.72
  }}>
                {header}
              </th>)}
          </tr>
        </thead>
        <tbody>
          {rows.map((row, row_index) => <tr key={row.id ?? row_index}>
              {(row.items ?? []).map((item, item_index) => <td key={item_index} style={{
    ...cell,
    overflowWrap: "anywhere"
  }}>
                  {item?.label}
                </td>)}
            </tr>)}
        </tbody>
      </table>
    </details>;
};

export const SettingsInfoBlock = ({type, default_value, changeable_without_restart}) => {
  return <div className="not-prose" style={{
    display: "flex",
    flexWrap: "wrap",
    alignItems: "baseline",
    columnGap: "0.5rem",
    rowGap: "0.125rem",
    margin: "0.375rem 0",
    fontSize: "0.8125rem",
    lineHeight: "1.125rem"
  }}>
      <div style={{
    fontWeight: 600,
    opacity: 0.72
  }}>Type</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{type}</div>
      <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>Par défaut</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{default_value}</div>
      {changeable_without_restart && <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>
          Modifiable sans redémarrage
        </div>}
      {changeable_without_restart && <div style={{
    overflowWrap: "anywhere"
  }}>
          {changeable_without_restart}
        </div>}
    </div>;
};

Ces paramètres sont disponibles dans [system.merge\_tree\_settings](/fr/reference/system-tables/merge_tree_settings) et sont générés automatiquement à partir du code source de ClickHouse.

<div id="max_postpone_time_for_failed_mutations_ms">
  ## max\_postpone\_time\_for\_failed\_mutations\_ms
</div>

<SettingsInfoBlock type="UInt64" default_value="300000" />

Le délai maximal de report pour les mutations en échec.

<div id="max_postpone_time_for_failed_replicated_fetches_ms">
  ## max\_postpone\_time\_for\_failed\_replicated\_fetches\_ms
</div>

<SettingsInfoBlock type="UInt64" default_value="60000" />

Temps maximal de report pour les opérations de récupération répliquées ayant échoué.

<div id="max_postpone_time_for_failed_replicated_merges_ms">
  ## max\_postpone\_time\_for\_failed\_replicated\_merges\_ms
</div>

<SettingsInfoBlock type="UInt64" default_value="60000" />

Durée maximale de report des fusions répliquées ayant échoué.

<div id="max_postpone_time_for_failed_replicated_tasks_ms">
  ## max\_postpone\_time\_for\_failed\_replicated\_tasks\_ms
</div>

<SettingsInfoBlock type="UInt64" default_value="300000" />

Le délai maximal de report pour une tâche répliquée en échec. La valeur est utilisée si la tâche n'est ni un fetch, ni un merge, ni une mutation.