Shulou(Shulou.com)06/01 Report--

[problem description]

During the operation and maintenance training of Guangnongxin, the operation and maintenance staff proposed to know the locking mechanism of our database, that is, which locks are supported by the database and when what locks will be used, so that when the operation and maintenance staff find that slow operations occur, we can analyze whether it is caused by lock waiting.

[reply to questions]

Because the scope and depth of the question is too large, the question cannot be answered here. The reasons are as follows:

1) the implementation of the locking mechanism will vary from version to version.

2) at present (v3.0.1), to analyze the possible impact of the lock mechanism on daily operations, we need to be very clear about the mechanism principle of the internal operation of SequoiaDB.

At present, we do not have a way to convey this information to users.

It is recommended to combine the real needs of users, and then communicate directly with Brother Tao or Director Xu, and then decide the next step.

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