$ bench/wtperf/wtperf -O ../bench/wtperf/runners/500m-btree-rdonly.wtperf -o verbose=2
Workload configuration:
        Home: WT_TEST
        Table name: test
        Connection configuration: create,statistics=(fast),statistics_log=(json,wait=1),cache_size=16G,checkpoint=(wait=60,log_size=2GB),session_max=20000,log=(enabled),eviction=(threads_max=8)
        Session configuration: ,isolation=snapshot
        Using existing table: key_format=S,value_format=S,type=lsm,exclusive=true,allocation_size=4kb,internal_page_max=64kb,leaf_page_max=4kb,split_pct=100,block_compressor=snappy
        Key size: 40, value size: 120
        Workload seconds, operations: 7200, 0
        Workload configuration(s):
                20 threads (inserts=0, reads=1, updates=0, truncates= 0)
        Checkpoint threads, interval: 0, 120
        Reporting interval: 10
        Sampling interval: 10
        Scan interval: 0
        Verbosity: 2
find_table_count: open_cursor failed Error: No such file or directory