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Update - fix bug:不支持sharding模式的mongo #192

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NicoleRobin
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MongoDB的sharding模式下Upsert操作要求必须指定sharding key,使用到Upsert操作的collection有:stat、job_latest_log,为了最小改动的方式解决这个问题;
针对job_latest_log,只需要创建collection时指定sharding key即可,不涉及代码修改:
db.runCommand({shardcollection:"cronsun1.job_latest_log", key:{node:1, hostname:1, ip:1, jobId:1, jobGroup:1}});
针对stat,需要将其拆分为两个:stat、daily_stat,然后分别指定sharding key:

db.runCommand({shardcollection:"cronsun1.stat", key:{name:1}});
db.runCommand({shardcollection:"cronsun1.daily_stat", key:{name:1, date:1}});

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