Mongo "error converting js type to Utf8Value" on db.currentOp()？

Question

数据库运行缓慢…是一个11gb的数据库，大约有400万个文档。

db.currentOp()产生:

Thu Jun 26 21:32:10.979 Assertion: 16686:error converting js type to Utf8Value
0x10e703360 0x10e6dcc2a 0x10e6da0dd 0x10e6c1aa8 0x10e6bd207 0x10e8fd0d9 0x10e900381 0x10e971b18 0x1469a3906362 0x1469a391701e
 0   mongo                               0x000000010e703360 _ZN5mongo15printStackTraceERSo + 64
 1   mongo                               0x000000010e6dcc2a _ZN5mongo11msgassertedEiPKc + 186
 2   mongo                               0x000000010e6da0dd _ZN5mongo11toSTLStringERKN2v86HandleINS0_5ValueEEE + 109
 3   mongo                               0x000000010e6c1aa8 _ZN5mongo7V8Scope16mongoToV8ElementERKNS_11BSONElementEb + 4792
 4   mongo                               0x000000010e6bd207 _ZN5mongoL8namedGetEN2v85LocalINS0_6StringEEERKNS0_12AccessorInfoE + 839
 5   mongo                               0x000000010e8fd0d9 _ZN2v88internal8JSObject35GetPropertyAttributeWithInterceptorEPS1_PNS0_6StringEb + 665
 6   mongo                               0x000000010e900381 _ZN2v88internal10JSReceiver32GetPropertyAttributeWithReceiverEPS1_PNS0_6StringE + 289
 7   mongo                               0x000000010e971b18 _ZN2v88internal19Runtime_HasPropertyENS0_9ArgumentsEPNS0_7IsolateE + 104
 8   ???                                 0x00001469a3906362 0x0 + 22443948270434
 9   ???                                 0x00001469a391701e 0x0 + 22443948339230

mongostat—all produce:

insert  query update delete getmore command flushes mapped  vsize    res non-mapped faults              locked db idx miss %     qr|qw   ar|aw  netIn netOut  conn       time
    *0     *0     *0     *0       0     1|0       0  18.6g  40.2g  1.71g      21.6g   3213 directoryListings:0.0%          0       0|0     1|0    62b     4k    71   21:34:08
    *0     *0     *0     *0       0     1|0       0  18.6g  40.2g   1.7g      21.6g   3166 directoryListings:0.0%          0       0|0     1|0    62b     4k    71   21:34:09
    *0     *0     *0     *0       0     1|0       0  18.6g  40.2g   1.7g      21.6g   2908 directoryListings:0.0%          0       0|0     1|0    62b     4k    71   21:34:10

完全迷失了方向。为什么currentOp()会返回这个错误?如果它与字符编码作为错误提示，为什么Mongo让我把东西在DB是"错误的"字符编码?o_o

Answer 1

如果你正在使用这里提到的版本之一，这似乎是MongoDB的一个bug

• https://jira.mongodb.org/browse/server - 17101
• https://jira.mongodb.org/browse/server - 12600