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Update merge-tree-settings.md
parts_to_throw_insert=3000
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- Any positive integer.
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Default value: 300.
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Default value: 3000.
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To achieve maximum performance of `SELECT` queries, it is necessary to minimize the number of parts processed, see [Merge Tree](../../development/architecture.md#merge-tree).
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You can set a larger value to 600 (1200), this will reduce the probability of the `Too many parts` error, but at the same time `SELECT` performance might degrade. Also in case of a merge issue (for example, due to insufficient disk space) you will notice it later than it could be with the original 300.
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Prior to 23.6 this setting was set to 300. You can set a higher different value, it will reduce the probability of the `Too many parts` error, but at the same time `SELECT` performance might degrade. Also in case of a merge issue (for example, due to insufficient disk space) you will notice it later than it could be with the original 300.
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## parts_to_delay_insert {#parts-to-delay-insert}
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