nastra commented on code in PR #16363:
URL: https://github.com/apache/iceberg/pull/16363#discussion_r3529823963
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docs/docs/configuration.md:
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@@ -57,8 +56,8 @@ Iceberg tables support table properties to configure table
behavior, like the de
| write.parquet.bloom-filter-max-bytes | 1048576 (1 MB)
| The maximum number of bytes for a bloom filter bitset
|
| write.parquet.bloom-filter-fpp.column.col1 | 0.01
| The false positive probability for a bloom filter applied to 'col1'
(must > 0.0 and < 1.0)
|
| write.parquet.bloom-filter-ndv.column.col1 | (not set)
| The expected number of distinct values for a bloom filter applied to
'col1' (must > 0)
|
+| write.parquet.bloom-filter-adaptive-enabled | false
| Use parquet-mr adaptive bloom filter sizing (PARQUET-2254): evaluate
candidate filters and pick the smallest that satisfies the actual NDV at the
configured FPP, bounded by 'bloom-filter-max-bytes', instead of always
allocating the full max-bytes buffer |
Review Comment:
this should probably mention that adaptive bloom filter is ignored when
per-column NDV is set
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