Lines Matching refs:oldest
647 * A writer thread will scan every slot in the table to determine the oldest
652 * operation - all we need is to know the upper bound on the oldest reader,
1293 txnid_t me_pgoldest; /**< ID of oldest reader last time we looked */
2098 /** Find oldest txnid still referenced. Expects txn->mt_txnid > 0. */
2103 txnid_t mr, oldest = txn->mt_txnid - 1;
2109 if (oldest > mr)
2110 oldest = mr;
2114 return oldest;
2171 txnid_t oldest = 0, last;
2217 oldest = env->me_pgoldest;
2232 if (oldest <= last) {
2234 oldest = mdb_find_oldest(txn);
2235 env->me_pgoldest = oldest;
2238 if (oldest <= last)
2248 if (oldest <= last) {
2250 oldest = mdb_find_oldest(txn);
2251 env->me_pgoldest = oldest;
2254 if (oldest <= last)
3206 * range [1,me_pglast]: Smaller than txnid of oldest reader.