kingeasternsun commented on a change in pull request #2642:
URL: https://github.com/apache/iceberg/pull/2642#discussion_r755032658
##########
File path: site/docs/configuration.md
##########
@@ -40,6 +40,9 @@ Iceberg tables support table properties to configure table
behavior, like the de
| write.parquet.dict-size-bytes | 2097152 (2 MB) | Parquet dictionary
page size |
| write.parquet.compression-codec | gzip | Parquet
compression codec |
| write.parquet.compression-level | null | Parquet
compression level |
+| write.parquet.bloom-filter-enabled | false | Whether to enable writing bloom
filter; If it is true, the bloom filter will be enable for all columns; If it
is false, it will be disabled for all columns; It is also possible to enable it
for some columns by specifying the column name within the property followed by
#; For example, setting both `write.parquet.bloom-filter-enabled=true` and
`write.parquet.bloom-filter-enabled#some_column=false` will enable bloom filter
for all columns except `some_column` |
+| write.parquet.bloom-filter-max-bytes | 1048576 (1 MB) | The maximum number
of bytes for a bloom filter bitset |
+| write.parquet.bloom-filter-expected-ndv | (not set) | The expected number of
distinct values in a column, it is used to compute the optimal size of the
bloom filter; Note that if this property is not set, the bloom filter will use
the maximum size; If this property is set for a column, then no need to enable
the bloom filter with `write.parquet.bloom-filter-enabled` property; For
example, setting `write.parquet.bloom-filter-expected-ndv#some_column=200` will
enable bloom filter for `some_column` with expected number of distinct values
equals to 200 |
Review comment:
hi everyone, does anybody know how to set these configuration when i
use trino with iceberg . I have searched many places ,but does not found any
useful info.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
