* in memory list, and we don't want to search the db map tree, so we
* have a IN.postRecoveryInit.
*/
final long logLsn = reader.getLastLsn();
final IN in = reader.getIN(db);
in.postRecoveryInit(db, logLsn);
in.latch();
/*
* Track the levels, in case we need an extra splits vs ckpt
* reconcilliation.