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Fix a multiple times issue in transaction-overview.md #2818

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TomShawn merged 1 commit into from
Jun 12, 2020
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Fix a multiple times issue in transaction-overview.md #2818

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2 changes: 1 addition & 1 deletion transaction-overview.md
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Expand Up @@ -160,7 +160,7 @@ TiDB supports both optimistic and pessimistic transactions, and optimistic trans

By default, TiDB sets the total size of a single transaction to no more than 100 MB. You can modify this default value via `txn-total-size-limit` in the configuration file. The maximum value of `txn-total-size-limit` is 10 GB.

The actual individual transaction size limit also depends on the amount of remaining memory available to the server, because when a transaction is executed, the memory usage of the TiDB process is approximately six times larger than the total size of transactions.
The actual individual transaction size limit also depends on the amount of remaining memory available to the server, because when a transaction is executed, the memory usage of the TiDB process is approximately six times the size of the transaction.

Before v4.0, TiDB restricts the total number of key-value pairs for a single transaction to no more than 300,000. This limitation is removed since v4.0.

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