Skip to content

Update java/src/com/twitter/pycascading/Util.java #3

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

Open
TaoLinVT wants to merge 2 commits into
base: casc2
Choose a base branch
from
Open

Update java/src/com/twitter/pycascading/Util.java #3

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b21cc2e
Update java/src/com/twitter/pycascading/Util.java
TaoLinVT Jan 2, 2013
3c25144
Revised code so that compression configuration is controlled by user …
TaoLinVT Feb 12, 2013
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
7 changes: 7 additions & 0 deletions java/src/com/twitter/pycascading/Util.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,13 @@ public static void run(String name, int numReducers, Long minSplitSize, Map<Str
properties.setProperty("pycascading.running_mode", runningMode);
properties.setProperty("pycascading.main_file", (String) config.get("pycascading.main_file"));

key_for_config_options = "pycascading.hadoop.mapred.options"
if key_for_config_options in config:
# Apply user defined configurations, for example, use gzip to compress output
config_options = config.get(key_for_config_options)
for (option_name, option_value) in config_options.iteritems():
properties.setProperty(option_name, option_value);

Configuration conf = new Configuration();
TemporaryHdfs tempDir = null;
if ("hadoop".equals(runningMode)) {
Expand Down
11 changes: 11 additions & 0 deletions python/pycascading/tap.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -234,6 +234,17 @@ def run(self, name="pycascading flow", num_reducers=50, min_split_size=0, config
source_map = self.__get_active_sources()
tails = [t.get_assembly() for t in self.tails]
import pycascading.pipe
key_for_config_options = "pycascading.hadoop.mapred.options"
if config and key_for_config_options in config:
# To use gzip compression, following key/value pair should be included in given config dict
#"pycascading.hadoop.mapred.options": {
# "mapred.output.compress": "true",
# "mapred.compress.map.output": "true",
# "mapred.output.compression.type": "BLOCK",
# "mapred.map.output.compression.codec": "org.apache.hadoop.io.compress.GzipCodec",
# "mapred.output.compression.codec": "org.apache.hadoop.io.compress.GzipCodec",
#}
pycascading.pipe.config[key_for_config_options] = config[key_for_config_options]
Util.run(name, num_reducers, min_split_size, pycascading.pipe.config, source_map, \
self.sink_map, tails)

Expand Down