我将MongoDB (3.2.6)其用作我的应用程序的存储，因为几周后 MongoDB 通常每 1 或 2 周就开始崩溃。崩溃似乎来自WiredTiger内存分配期间的问题，这里是stacktrace上次崩溃的全部内容：
2016-10-09T18:25:36.389+0200 E STORAGE [thread1] WiredTiger (12) [1476030336:325695][993:0x7f559c19a700], file:index-1108-8065571460375661294.wt, WT_SESSION.checkpoint: memory allocation of 18624 bytes failed: Cannot allocate memory
2016-10-09T18:25:36.547+0200 E STORAGE [thread1] WiredTiger (12) [1476030336:422567][993:0x7f559c19a700], file:index-1108-8065571460375661294.wt, WT_SESSION.checkpoint: checkpoints cannot be dropped when in-use: Cannot allocate memory
2016-10-09T18:25:37.347+0200 I COMMAND [conn10793] command admin.$cmd command: ping { ping: 1 } keyUpdates:0 writeConflicts:0 numYields:0 reslen:37 locks:{} protocol:op_query 208ms
2016-10-09T18:25:37.386+0200 E STORAGE [thread1] WiredTiger (12) [1476030337:254969][993:0x7f559c19a700], checkpoint-server: checkpoint server error: …