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  1. Documentation
  2. DOCS-7685

isMaster, rs.status hold write lock?

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      https://docs.mongodb.org/manual/faq/concurrency/

      The following administrative commands lock the database but only hold the lock for a very short time:

db.collection.dropIndex(),
db.getLastError(),
db.isMaster(),
rs.status() (i.e. replSetGetStatus),
db.serverStatus(),
db.auth(), and
db.addUser().

      I deep into the source codeļ¼Œand did some test work, found that the following operaiotn will not lock the database, if this document is not update to date?

      db.getLastError(),
db.isMaster(),
rs.status() (i.e. replSetGetStatus),
db.serverStatus(),

        1. log-locks-v42.patch
          5 kB

            Assignee:
            kay.kim@mongodb.com Kay Kim (Inactive)
            Reporter:
            zyd_com@126.com Zhang Youdong
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              Created:
              Updated:
              Resolved:
              4 years, 10 weeks, 3 days ago