Function clusterNodeCleanupFailureReports

app/redis-6.2.6/src/cluster.c:854–868

Remove failure reports that are too old, where too old means reasonably * older than the global node timeout. Note that anyway for a node to be * flagged as FAIL we need to have a local PFAIL state that is at least * older than the global node timeout, so we don't just trust the number * of failure reports from other nodes. */

 * older than the global node timeout, so we don't just trust the number
 * of failure reports from other nodes. */
void clusterNodeCleanupFailureReports(clusterNode *node) {
    list *l = node->fail_reports;
    listNode *ln;
    listIter li;
    clusterNodeFailReport *fr;
    mstime_t maxtime = server.cluster_node_timeout *
                     CLUSTER_FAIL_REPORT_VALIDITY_MULT;
    mstime_t now = mstime();

    listRewind(l,&li);
    while ((ln = listNext(&li)) != NULL) {
        fr = ln->value;
        if (now - fr->time > maxtime) listDelNode(l,ln);
    }
}

/* Remove the failing report for 'node' if it was previously considered
 * failing by 'sender'. This function is called when a node informs us via