final DatabaseImpl nodeDb) {
final TupleInput in = new TupleInput(this);
while (in.available() > 0) {
final long fileNumber = in.readPackedLong();
long fileOffset = in.readPackedLong();
final boolean isObsoleteLN = in.readBoolean();
final int obsoleteSize = in.readPackedInt();
tracker.countObsoleteNode
(DbLsn.makeLsn(fileNumber, fileOffset),
isObsoleteLN ? LogEntryType.LOG_LN : LogEntryType.LOG_IN,
obsoleteSize, nodeDb);