Skip to content

ARROW-357: Use a single RowGroup for Parquet files as default. #192

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

ARROW-357: Use a single RowGroup for Parquet files as default. #192

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 3 additions & 2 deletions python/pyarrow/parquet.pyx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,8 @@ def write_table(table, filename, chunk_size=None, version=None,
table : pyarrow.Table
filename : string
chunk_size : int
The maximum number of rows in each Parquet RowGroup
The maximum number of rows in each Parquet RowGroup. As a default,
we will write a single RowGroup per file.
version : {"1.0", "2.0"}, default "1.0"
The Parquet format version, defaults to 1.0
use_dictionary : bool or list
Expand All @@ -121,7 +122,7 @@ def write_table(table, filename, chunk_size=None, version=None,
cdef WriterProperties.Builder properties_builder
cdef int64_t chunk_size_ = 0
if chunk_size is None:
chunk_size_ = min(ctable_.num_rows(), int(2**16))
chunk_size_ = ctable_.num_rows()
else:
chunk_size_ = chunk_size

Expand Down