WiredTiger version string WiredTiger 2.9.2: (December 23, 2016) WiredTiger version major=2,minor=9,patch=2 file:WiredTiger.wt allocation_size=4KB,app_metadata=,block_allocation=best,block_compressor=,cache_resident=false,checkpoint=(WiredTigerCheckpoint.236715=(addr="018c81e4e6bf636b8d81e4f162f4a9a381e4bf432f81808080e306efc0e3039fc0",order=236715,time=1514594082,size=249856,write_gen=1129105)),checkpoint_lsn=(52,16882560),checksum=uncompressed,collator=,columns=,dictionary=0,encryption=(keyid=,name=),format=btree,huffman_key=,huffman_value=,id=0,ignore_in_memory_cache_size=false,internal_item_max=0,internal_key_max=0,internal_key_truncate=true,internal_page_max=4KB,key_format=S,key_gap=10,leaf_item_max=0,leaf_key_max=0,leaf_page_max=32KB,leaf_value_max=0,log=(enabled=true),memory_page_max=5MB,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=false,prefix_compression_min=4,split_deepen_min_child=0,split_deepen_per_child=0,split_pct=75,value_format=S,version=(major=1,minor=1)