WiredTiger version string WiredTiger 2.5.3: (March 26, 2015) WiredTiger version major=2,minor=5,patch=3 file:WiredTiger.wt allocation_size=4KB,app_metadata=,block_allocation=best,block_compressor=,cache_resident=0,checkpoint=(WiredTigerCheckpoint.1885=(addr="018981e45065c4e88a81e44460bf888b81e489110c40808080e3010fc0e3760fc0",order=1885,time=1435304286,size=7745536,write_gen=3768)),checkpoint_lsn=(3,3168256),checksum=uncompressed,collator=,columns=,dictionary=0,format=btree,huffman_key=,huffman_value=,id=0,internal_item_max=0,internal_key_max=0,internal_key_truncate=,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,memory_page_max=5MB,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=0,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)