db.getSiblingDB("ycsb").foo.insert({x:1})

2015-10-29T11:04:19.025+0000 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=39G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] MongoDB starting : pid=19576 port=27017 dbpath=/mnt/fast/jenkins/workspace/mongodb-perf-ycsb-develop/./data 64-bit host=ip-10-232-19-30
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten]
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 1024 processes, 16384 files. Number of processes should be at least 8192 : 0.5 times number of files.
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] db version v3.2.0-rc2-pre-
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] git version: 5b7f13904c25d9f9320d4f0a0409b3a3b4e9f1e2
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] allocator: tcmalloc
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] modules: none
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten] build environment:
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten]     distarch: x86_64
2015-10-29T11:04:19.112+0000 I CONTROL  [initandlisten]     target_arch: x86_64
2015-10-29T11:04:19.113+0000 I CONTROL  [initandlisten] options: { config: "./mongo-tests/performance/ycsb/config/17157", processManagement: { fork: true }, storage: { dbPath: "./data", engine: "wiredTiger" }, systemLog: { destination: "file", path: "./logs/stdcfg-17157.log" } }
2015-10-29T11:04:19.114+0000 I FTDC     [initandlisten] Starting full-time diagnostic data capture with directory '/mnt/fast/jenkins/workspace/mongodb-perf-ycsb-develop/./data/diagnostic.data'
2015-10-29T11:04:19.114+0000 I NETWORK  [HostnameCanonicalizationWorker] Starting hostname canonicalization worker
2015-10-29T11:04:19.117+0000 I -        [initandlisten] Fatal assertion 28548 NoSuchKey Unable to find metadata for table:collection-0-4134535713943460145
2015-10-29T11:04:19.117+0000 I -        [initandlisten]

***aborting after fassert() failure