// code placeholder 
LOGS:

2020-05-07T04:41:56.388+0000 I  CONTROL  [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] MongoDB starting : pid=1 port=27017 dbpath=/data/db 64-bit host=35d6588e67c8
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] db version v4.2.0
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] git version: a4b751dcf51dd249c5865812b390cfd1c0129c30
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] OpenSSL version: OpenSSL 1.1.1  11 Sep 2018
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] allocator: tcmalloc
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] modules: none
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] build environment:
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten]     distmod: ubuntu1804
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten]     distarch: x86_64
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten]     target_arch: x86_64
2020-05-07T04:41:56.394+0000 I  CONTROL  [initandlisten] options: { net: { bindIp: "*" }, security: { authorization: "enabled" } }
2020-05-07T04:41:56.395+0000 W  STORAGE  [initandlisten] Detected unclean shutdown - /data/db/mongod.lock is not empty.
2020-05-07T04:41:56.396+0000 I  STORAGE  [initandlisten] Detected data files in /data/db created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
2020-05-07T04:41:56.396+0000 W  STORAGE  [initandlisten] Recovering data from the last clean checkpoint.
2020-05-07T04:41:56.396+0000 I  STORAGE  [initandlisten]
2020-05-07T04:41:56.396+0000 I  STORAGE  [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
2020-05-07T04:41:56.396+0000 I  STORAGE  [initandlisten] **          See http://dochub.mongodb.org/core/prodnotes-filesystem
2020-05-07T04:41:56.396+0000 I  STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=15560M,cache_overflow=(file_max=0M),session_max=33000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),statistics_log=(wait=0),verbose=[recovery_progress,checkpoint_progress],
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (0) [1588826517:268321][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_block_read_off, 299: WiredTiger.wt: read checksum error for 4096B block at offset 24576: block header checksum of 0x6f665f79 doesn't match expected checksum of 0xca2ef9d1 Raw: [1588826517:268321][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_block_read_off, 299: WiredTiger.wt: read checksum error for 4096B block at offset 24576: block header checksum of 0x6f665f79 doesn't match expected checksum of 0xca2ef9d12020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (0) [1588826517:268489][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 1 of 4): 74 65 3d 74 72 75 65 2c 69 6e 74 65 72 6e 61 6c 5f 70 61 67 65 5f 6d 61 78 3d 31 36 6b 2c 69 67 6e 6f 72 65  Raw: [1588826517:268489][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 1 of 4): 74 65 3d 74 72 75 65 2c 69 6e 74 65 72 6e 61 6c 5f 
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (0) [1588826517:268626][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 2 of 4): 5f 69 6e 5f 6d 65 6d 6f 72 79 5f 63 61 63 68 65 5f 73 69 7a 65 3d 66 61 6c 73 65 2c 69 6e 74 65 72 6e 61 6c 5f 69 74 65 6d 5f 6d 61 78 3d 30 2c 69 6e 74 65 72 6e 61   Raw: [1588826517:268626][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 2 of 4): 5f 69 6e 5f 6d 65 6d 6f 72 79 5f 63 61 63 68 65 5f 73 69 7a 65 3d 66 61 6c 73 65 2c 69 6e 74 65 72 6e 61 6c 5f 69 74 65 6d 5f 6d 61 78 3d 30 2c 69 6e 74 65 72 6e 61 
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (0) [1588826517:268748][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 3 of 4): 61 6d 65 3d 29 2c 66 6f 72 6d 61 74 3d 62 74 72 65 65 2c 68 75 66 66 6d 61 6e 5f 6b 65 79 3d 2c 68 75 66 66 6d 61 6e 5f 76 61 6c 75 65 3d 2c 69 64 3d 33 34 2c 69 67 6e 6f 72 65 5f 69 6e 5f 6d 65 6d 6f 72 79 5f 63 61 63 68 65 5f 73 69 7a 65 3d 2c 65 6e 63 72 79 70  Raw: [1588826517:268748][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 3 of 4): 61 6d 65 3d 29 2c 66 6f 72 6d 61 74 3d 62 74 72 65 65 2c 68 75 66 66 6d 61 6e 5f 6b 65 79 3d 2c 68 75 66 66 6d 61 6e 5f 76 61 6c 75 65 3d 2c 69 64 3d 33 34 2c 69 67 6e 6f 72 65 5f 69 6e 5f 6d 65 6d 6f 72 79 
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (0) [1588826517:268881][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 4 of 4): 74 69 6f 6e 3d 28 6b 65 79 69 64 3d 2c 6e 61 6d 65 3d 29 2c 66 6f 72 6d 61 74 3d 62 74 72 65 65 2c 68 75 66 66 6d 61 6e 5f 6b 65 79 3d 2c 68 75 66 66 6d 61 6e 5f 76 2d 31 31 2c 77 72 69  Raw: [1588826517:268881][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_bm_corrupt_dump, 145: {24576, 4096, 0xca2ef9d1}: (chunk 4 of 4): 74 69 6f 6e 3d 28 6b 65 79 69 64 3d 2c 6e 61 6d 65 3d 29 2c 66 6f 72 6d 61 74 3d 62 74 72 65 65 2c 68 75 66 66 6d 61 6e 5f 6b 65 
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (-31802) [1588826517:268922][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_block_read_off, 309: WiredTiger.wt: fatal read error: WT_ERROR: non-specific WiredTiger error Raw: [1588826517:268922][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_block_read_off, 309: WiredTiger.wt: fatal read error: WT_ERROR: non-specific WiredTiger error
2020-05-07T04:41:57.268+0000 E  STORAGE  [initandlisten] WiredTiger error (-31804) [1588826517:268932][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_panic, 520: the process must exit and restart: WT_PANIC: WiredTiger library panic Raw: [1588826517:268932][1:0x7f9cf606cb00], file:WiredTiger.wt, connection: __wt_panic, 520: the process must exit and restart: WT_PANIC: WiredTiger library panic
2020-05-07T04:41:57.268+0000 F  -        [initandlisten] Fatal Assertion 50853 at src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp 403
2020-05-07T04:41:57.268+0000 F  -        [initandlisten]***aborting after fassert() failure
2020-05-07T04:41:57.296+0000 F  -        [initandlisten] Got signal: 6 (Aborted).
 0x55b121385b31 0x55b12138532e 0x55b1213853c6 0x7f9cf469e890 0x7f9cf42d9e97 0x7f9cf42db801 0x55b11f8be95f 0x55b11f60ffd7 0x55b11fa1e6ca 0x55b11f61bbaf 0x55b11f61c013 0x55b11f629660 0x55b11fb2745d 0x55b11fb2796b 0x55b11fb228fc 0x55b11fb0aec7 0x55b11fa4fca1 0x55b11f9ca3b5 0x55b11fa1cff6 0x55b11fa1d56b 0x55b11fa1d744 0x55b11fab0f2a 0x55b11fa18c1f 0x55b11f9e95ae 0x55b11f9e969b 0x55b11f9c90d8 0x55b11f98f02e 0x55b11f990b26 0x55b11f965243 0x55b12014558f 0x55b11f93fbfa 0x55b11f94325d 0x55b11f8c98f9 0x7f9cf42bcb97 0x55b11f93e81a
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"55B11EC05000","o":"2780B31","s":"_ZN5mongo15printStackTraceERSo"},{"b":"55B11EC05000","o":"278032E"},{"b":"55B11EC05000","o":"27803C6"},{"b":"7F9CF468C000","o":"12890"},{"b":"7F9CF429B000","o":"3EE97","s":"gsignal"},{"b":"7F9CF429B000","o":"40801","s":"abort"},{"b":"55B11EC05000","o":"CB995F","s":"_ZN5mongo32fassertFailedNoTraceWithLocationEiPKcj"},{"b":"55B11EC05000","o":"A0AFD7"},{"b":"55B11EC05000","o":"E196CA"},{"b":"55B11EC05000","o":"A16BAF","s":"__wt_err_func"},{"b":"55B11EC05000","o":"A17013","s":"__wt_panic"},{"b":"55B11EC05000","o":"A24660"},{"b":"55B11EC05000","o":"F2245D","s":"__wt_block_extlist_read"},{"b":"55B11EC05000","o":"F2296B","s":"__wt_block_extlist_read_avail"},{"b":"55B11EC05000","o":"F1D8FC","s":"__wt_block_checkpoint_load"},{"b":"55B11EC05000","o":"F05EC7"},{"b":"55B11EC05000","o":"E4ACA1","s":"__wt_btree_open"},{"b":"55B11EC05000","o":"DC53B5","s":"__wt_conn_dhandle_open"},{"b":"55B11EC05000","o":"E17FF6","s":"__wt_session_get_dhandle"},{"b":"55B11EC05000","o":"E1856B","s":"__wt_session_get_dhandle"},{"b":"55B11EC05000","o":"E18744","s":"__wt_session_get_btree_ckpt"},{"b":"55B11EC05000","o":"EABF2A","s":"__wt_curfile_open"},{"b":"55B11EC05000","o":"E13C1F"},{"b":"55B11EC05000","o":"DE45AE","s":"__wt_metadata_cursor_open"},{"b":"55B11EC05000","o":"DE469B","s":"__wt_metadata_cursor"},{"b":"55B11EC05000","o":"DC40D8","s":"wiredtiger_open"},{"b":"55B11EC05000","o":"D8A02E","s":"_ZN5mongo18WiredTigerKVEngine15_openWiredTigerERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_"},{"b":"55B11EC05000","o":"D8BB26","s":"_ZN5mongo18WiredTigerKVEngineC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_PNS_11ClockSourceES8_mmbbbb"},{"b":"55B11EC05000","o":"D60243"},{"b":"55B11EC05000","o":"154058F","s":"_ZN5mongo23initializeStorageEngineEPNS_14ServiceContextENS_22StorageEngineInitFlagsE"},{"b":"55B11EC05000","o":"D3ABFA"},{"b":"55B11EC05000","o":"D3E25D"},{"b":"55B11EC05000","o":"CC48F9"},{"b":"7F9CF429B000","o":"21B97","s":"__libc_start_main"},{"b":"55B11EC05000","o":"D3981A","s":"_start"}],"processInfo":{ "mongodbVersion" : "4.2.0", "gitVersion" : "a4b751dcf51dd249c5865812b390cfd1c0129c30", "compiledModules" : [], "uname" : { "sysname" : "Linux", "release" : "4.15.0-99-generic", "version" : "#100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020", "machine" : "x86_64" }, "somap" : [ { "b" : "55B11EC05000", "elfType" : 3, "buildId" : "D849CC14858F969B5888F892C9E16777E4C6FF32" }, { "b" : "7FFD45BF4000", "path" : "linux-vdso.so.1", "elfType" : 3, "buildId" : "03C9E629B1AFDF4613CE0B5DCFF2BE61A21CC53A" }, { "b" : "7F9CF5BE0000", "path" : "/usr/lib/x86_64-linux-gnu/libcurl.so.4", "elfType" : 3, "buildId" : "1C6BC2C0699CE0F7E848CA0B267E0CF07553F6AB" }, { "b" : "7F9CF59C5000", "path" : "/lib/x86_64-linux-gnu/libresolv.so.2", "elfType" : 3, "buildId" : "390E9CC4C215314B6D8ADE6D6E28F8518418039C" }, { "b" : "7F9CF54FA000", "path" : "/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1", "elfType" : 3, "buildId" : "CB6876717C83B0CC01C3C919B9B6E86D8554F546" }, { "b" : "7F9CF526D000", "path" : 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"path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "64DF1B961228382FE18684249ED800AB1DCEAAD4" }, { "b" : "7F9CF4076000", "path" : "/usr/lib/x86_64-linux-gnu/libnghttp2.so.14", "elfType" : 3, "buildId" : "4F00E5207693FDC249DA42EC6472ACA6A7B929AE" }, { "b" : "7F9CF3E59000", "path" : "/usr/lib/x86_64-linux-gnu/libidn2.so.0", "elfType" : 3, "buildId" : "BA5BF9A5C44F48C647E9D8270A5421AE81CCAD61" }, { "b" : "7F9CF3C3D000", "path" : "/usr/lib/x86_64-linux-gnu/librtmp.so.1", "elfType" : 3, "buildId" : "69465D8AA6B19086ABF2455A703F9168BF82A69F" }, { "b" : "7F9CF3A2F000", "path" : "/usr/lib/x86_64-linux-gnu/libpsl.so.5", "elfType" : 3, "buildId" : "CDAF1F1946846941F9D06414EC8C812D131A168E" }, { "b" : "7F9CF37E4000", "path" : "/usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2", "elfType" : 3, "buildId" : "00F419F64B0E70D8C5EEF7050369AA40B2A6E090" }, { "b" : "7F9CF3592000", "path" : "/usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2", "elfType" : 3, "buildId" : "70EEF126558D1559A0A4E334FB68E4E9AABE90CB" }, { "b" : "7F9CF3384000", "path" : "/usr/lib/x86_64-linux-gnu/liblber-2.4.so.2", "elfType" : 3, "buildId" : "C14042EC7BD22B9A07D2C16563FE3C2606F52AB7" }, { "b" : "7F9CF3167000", "path" : "/lib/x86_64-linux-gnu/libz.so.1", "elfType" : 3, "buildId" : "EF3E006DFE3132A41D4D4DC0E407D6EA658E11C4" }, { "b" : "7F9CF2DE9000", "path" : "/usr/lib/x86_64-linux-gnu/libunistring.so.2", "elfType" : 3, "buildId" : "0E2784298E7D3F4D894FE130ACEFA77C3E624F72" }, { "b" : "7F9CF2A84000", "path" : "/usr/lib/x86_64-linux-gnu/libgnutls.so.30", "elfType" : 3, "buildId" : "E5AE5C31F804BE96532D0DB2091F19E472F2D4A0" }, { "b" : "7F9CF2850000", "path" : "/usr/lib/x86_64-linux-gnu/libhogweed.so.4", "elfType" : 3, "buildId" : "842BDF0B0EAAB82E19F1EABFC38769F4040FBE31" }, { "b" : "7F9CF261A000", "path" : "/usr/lib/x86_64-linux-gnu/libnettle.so.6", "elfType" : 3, "buildId" : "C20D4B3BA13FCDCC3BF6857689BA9FC70BE3F6A5" }, { "b" : "7F9CF2399000", "path" : "/usr/lib/x86_64-linux-gnu/libgmp.so.10", "elfType" : 3, "buildId" : "D40EA9B5EC5BC46799E4A412319617BD38BE9341" }, { "b" : "7F9CF20C3000", "path" : "/usr/lib/x86_64-linux-gnu/libkrb5.so.3", "elfType" : 3, "buildId" : "69FBCF425EE6DF03DE93B82FBC2FC33790E68A96" }, { "b" : "7F9CF1E91000", "path" : "/usr/lib/x86_64-linux-gnu/libk5crypto.so.3", "elfType" : 3, "buildId" : "F400D5D643A7F9696DF0E6148FA99BEE6C1BDDF7" }, { "b" : "7F9CF1C8D000", "path" : "/lib/x86_64-linux-gnu/libcom_err.so.2", "elfType" : 3, "buildId" : "C0CB7E35A4566A443F99DFBC1A54D3A0677C8A10" }, { "b" : "7F9CF1A82000", "path" : "/usr/lib/x86_64-linux-gnu/libkrb5support.so.0", "elfType" : 3, "buildId" : "D78D71E8E016A534281B25B97CD7E5E9DB5FE00A" }, { "b" : "7F9CF1867000", "path" : "/usr/lib/x86_64-linux-gnu/libsasl2.so.2", "elfType" : 3, "buildId" : "ABB7E3F40302E6509DAD1F91DFB1F04B6A5FD072" }, { "b" : "7F9CF1626000", "path" : "/usr/lib/x86_64-linux-gnu/libgssapi.so.3", "elfType" : 3, "buildId" : "A1A98DB481968073636BBAECB561A3EA8ED198AE" }, { "b" : "7F9CF12F7000", "path" : "/usr/lib/x86_64-linux-gnu/libp11-kit.so.0", "elfType" : 3, "buildId" : "8DBD451EA5651283905E16FA7DFA9908688893A3" }, { "b" : "7F9CF10E4000", "path" : "/usr/lib/x86_64-linux-gnu/libtasn1.so.6", "elfType" : 3, "buildId" : "6036B89A3BB671B32E01464C0C82BFA016186352" }, { "b" : "7F9CF0EE0000", "path" : "/lib/x86_64-linux-gnu/libkeyutils.so.1", "elfType" : 3, "buildId" : "F463E107B099910463BC32E837C73D341A52C27B" }, { "b" : "7F9CF0CD7000", "path" : "/usr/lib/x86_64-linux-gnu/libheimntlm.so.0", "elfType" : 3, "buildId" : "C2376C5B831991591F1A67B976758185F86896D8" }, { "b" : "7F9CF0A4A000", "path" : "/usr/lib/x86_64-linux-gnu/libkrb5.so.26", "elfType" : 3, "buildId" : "69BDEE5FA0FEEDF317308BE850F78761861D520A" }, { "b" : "7F9CF07A8000", "path" : "/usr/lib/x86_64-linux-gnu/libasn1.so.8", "elfType" : 3, "buildId" : "315D74995AAA32DE4D15BA25F335066988B1B230" }, { "b" : "7F9CF0572000", "path" : "/usr/lib/x86_64-linux-gnu/libhcrypto.so.4", "elfType" : 3, "buildId" : "6673972A1C24A89EBAFBAE696188A4CB26C6DDEB" }, { "b" : "7F9CF035C000", "path" : "/usr/lib/x86_64-linux-gnu/libroken.so.18", "elfType" : 3, "buildId" : "430827C33259C12248CF44B91A9A9821114376F5" }, { "b" : "7F9CF0154000", "path" : "/usr/lib/x86_64-linux-gnu/libffi.so.6", "elfType" : 3, "buildId" : "3555B5F599C9787DFDDBF9E8DF6F706B9044D985" }, { "b" : "7F9CEFF2B000", "path" : "/usr/lib/x86_64-linux-gnu/libwind.so.0", "elfType" : 3, "buildId" : "93A0931B1C2818F0EA224CE6FE5E31E84A9B55BB" }, { "b" : "7F9CEFD1C000", "path" : "/usr/lib/x86_64-linux-gnu/libheimbase.so.1", "elfType" : 3, "buildId" : "669D4CCE42FA4382796EFFCF0C16F459F4382C4C" }, { "b" : "7F9CEFAD2000", "path" : "/usr/lib/x86_64-linux-gnu/libhx509.so.5", "elfType" : 3, "buildId" : "4B80C543356EE0AF9039EFE7C9EA1CC1F74C426A" }, { "b" : "7F9CEF7C9000", "path" : "/usr/lib/x86_64-linux-gnu/libsqlite3.so.0", "elfType" : 3, "buildId" : "BCE351987CF42B3D258B09F0CAC867758D935086" }, { "b" : "7F9CEF591000", "path" : "/lib/x86_64-linux-gnu/libcrypt.so.1", "elfType" : 3, "buildId" : "810686AF0D5FD350A4FB1CC4B5AFF44A05C102CB" } ] }}
 mongod(_ZN5mongo15printStackTraceERSo+0x41) [0x55b121385b31]
 mongod(+0x278032E) [0x55b12138532e]
 mongod(+0x27803C6) [0x55b1213853c6]
 libpthread.so.0(+0x12890) [0x7f9cf469e890]
 libc.so.6(gsignal+0xC7) [0x7f9cf42d9e97]
 libc.so.6(abort+0x141) [0x7f9cf42db801]
 mongod(_ZN5mongo32fassertFailedNoTraceWithLocationEiPKcj+0x0) [0x55b11f8be95f]
 mongod(+0xA0AFD7) [0x55b11f60ffd7]
 mongod(+0xE196CA) [0x55b11fa1e6ca]
 mongod(__wt_err_func+0x90) [0x55b11f61bbaf]
 mongod(__wt_panic+0x39) [0x55b11f61c013]
 mongod(+0xA24660) [0x55b11f629660]
 mongod(__wt_block_extlist_read+0x8D) [0x55b11fb2745d]
 mongod(__wt_block_extlist_read_avail+0x2B) [0x55b11fb2796b]
 mongod(__wt_block_checkpoint_load+0x17C) [0x55b11fb228fc]
 mongod(+0xF05EC7) [0x55b11fb0aec7]
 mongod(__wt_btree_open+0xD61) [0x55b11fa4fca1]
 mongod(__wt_conn_dhandle_open+0x285) [0x55b11f9ca3b5]
 mongod(__wt_session_get_dhandle+0xE6) [0x55b11fa1cff6]
 mongod(__wt_session_get_dhandle+0x65B) [0x55b11fa1d56b]
 mongod(__wt_session_get_btree_ckpt+0x154) [0x55b11fa1d744]
 mongod(__wt_curfile_open+0x5A) [0x55b11fab0f2a]
 mongod(+0xE13C1F) [0x55b11fa18c1f]
 mongod(__wt_metadata_cursor_open+0x6E) [0x55b11f9e95ae]
 mongod(__wt_metadata_cursor+0x4B) [0x55b11f9e969b]
 mongod(wiredtiger_open+0x22B8) [0x55b11f9c90d8]
 mongod(_ZN5mongo18WiredTigerKVEngine15_openWiredTigerERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_+0xAE) [0x55b11f98f02e]
 mongod(_ZN5mongo18WiredTigerKVEngineC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_PNS_11ClockSourceES8_mmbbbb+0x766) [0x55b11f990b26]
 mongod(+0xD60243) [0x55b11f965243]
 mongod(_ZN5mongo23initializeStorageEngineEPNS_14ServiceContextENS_22StorageEngineInitFlagsE+0x52F) [0x55b12014558f]
 mongod(+0xD3ABFA) [0x55b11f93fbfa]
 mongod(+0xD3E25D) [0x55b11f94325d]
 mongod(+0xCC48F9) [0x55b11f8c98f9]
 libc.so.6(__libc_start_main+0xE7) [0x7f9cf42bcb97]
 mongod(_start+0x2A) [0x55b11f93e81a]
-----  END BACKTRACE  -----