"allocation_size=4KB,app_metadata=(formatVersion=6,infoObj={ \"v\" : 1, \"key\" : { \"a\" : 1 }, \"name\" : \"a_1\", \"ns\" : \"test.z\" }),block_allocation=best,block_compressor=,cache_resident=0,checkpoint=(WiredTigerCheckpoint.1=(addr=\"018181e4562b79468281e4f2e09da0808080808080e21fc0dfc0\",order=1,time=1421864784,size=8192,write_gen=2)),checkpoint_lsn=(4,4736),checksum=uncompressed,collator=,columns=,dictionary=0,format=btree,huffman_key=,huffman_value=,id=3,internal_item_max=0,internal_key_max=0,internal_key_truncate=,internal_page_max=4KB,key_format=u,key_gap=10,leaf_item_max=0,leaf_key_max=0,leaf_page_max=16k,leaf_value_max=0,memory_page_max=5MB,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=,prefix_compression_min=4,split_pct=75,value_format=u,version=(major=1,minor=1)"
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