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Whether queries will fail because statistics cannot be collected completely accurately. If this is set to true, reading/writing from/into a partition or unpartitioned table may fail becuase because the statistics could not be computed accurately. If it is set to false, the operation will succeed.

In Hive 0.13.0 and later, if hive.stats.........reliable is false and statistics could not be computed correctly, the operation can still succeed and update the statistics but it sets a partition property "areStatsAccurate" to false. If the application needs accurate statistics, they can then be obtained in the background.

hive.client.stats.publishers

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