研发笔记
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  • CLUSTER COUNT-FAILURE-REPORTS

    redis and cluster | Mar 13, 2016

    The command returns the number of failure reports for the specified node. Failure reports are the way Redis Cluster uses in order to promote a PFAIL state, that means a node is not reachable, to a FAIL state, that means that the majority of masters in the cluster agreed within a window of time that the node is not reachable.

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  • CLUSTER ADDSLOTS

    redis and cluster | Mar 13, 2016

    This command is useful in order to modify a node’s view of the cluster configuration. Specifically it assigns a set of hash slots to the node receiving the command. If the command is successful, the node will map the specified hash slots to itself, and will start broadcasting the new configuration.

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  • WATCH

    redis and transactions | Mar 12, 2016

    Marks the given keys to be watched for conditional execution of a transaction.

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  • UNWATCH

    redis and transactions | Mar 12, 2016

    Flushes all the previously watched keys for a transaction.

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  • MULTI

    redis and transactions | Mar 12, 2016

    Marks the start of a transaction block. Subsequent commands will be queued for atomic execution using EXEC.

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  • EXEC

    redis and transactions | Mar 12, 2016

    Executes all previously queued commands in a transaction and restores the connection state to normal.

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