1200     if (cfd->imm()->NumNotFlushed() != 0 || !cfd->mem()->IsEmpty() ||  in SelectColumnFamiliesForAtomicFlush()
1340       if (!cfd->mem()->IsEmpty()) {  in HandleWriteBufferFull()
1343         uint64_t seq = cfd->mem()->GetCreationSeq();  in HandleWriteBufferFull()
1361     if (cfd->mem()->IsEmpty()) {  in HandleWriteBufferFull()
1511     if (cfd_stats != nullptr && !cfd_stats->mem()->IsEmpty()) {  in MaybeFlushStatsCF()
1548     cfd->imm()->TrimHistory(&to_delete, cfd->mem()->ApproximateMemoryUsage());  in TrimMemtableHistory()
1587     if (!cfd->mem()->IsEmpty()) {  in ScheduleFlushes()
1671   memtable_info.first_seqno = cfd->mem()->GetFirstSequenceNumber();  in SwitchMemtable()
1672   memtable_info.earliest_seqno = cfd->mem()->GetEarliestSequenceNumber();  in SwitchMemtable()
1673   memtable_info.num_entries = cfd->mem()->num_entries();  in SwitchMemtable()
1674   memtable_info.num_deletes = cfd->mem()->num_deletes();  in SwitchMemtable()
1758     if (loop_cfd->mem()->GetFirstSequenceNumber() == 0 &&  in SwitchMemtable()
1763       loop_cfd->mem()->SetCreationSeq(versions_->LastSequence());  in SwitchMemtable()
1767   cfd->mem()->SetNextLogNumber(logfile_number_);  in SwitchMemtable()
1768   cfd->imm()->Add(cfd->mem(), &context->memtables_to_free_);  in SwitchMemtable()