MCPcopy Create free account
hub / github.com/apache/impala / exec_query_files_parallel

Function exec_query_files_parallel

bin/load-data.py:276–294  ·  view source on GitHub ↗

Executes the query files provided using the execution engine specified in parallel using the given thread pool. Aborts immediately if any execution encounters an error.

(thread_pool, query_files, execution_type, step_name)

Source from the content-addressed store, hash-verified

274
275
276def exec_query_files_parallel(thread_pool, query_files, execution_type, step_name):
277 """Executes the query files provided using the execution engine specified
278 in parallel using the given thread pool. Aborts immediately if any execution
279 encounters an error."""
280 assert(execution_type == 'impala' or execution_type == 'hive')
281 if len(query_files) == 0: return
282 if execution_type == 'impala':
283 execution_function = exec_impala_query_from_file
284 elif execution_type == 'hive':
285 execution_function = exec_hive_query_from_file_beeline
286
287 LOG.info('Begin step "%s".' % step_name)
288 start_time = time.time()
289 for result in thread_pool.imap_unordered(execution_function, query_files):
290 if not result:
291 thread_pool.terminate()
292 sys.exit(1)
293 total_time = time.time() - start_time
294 LOG.info('End step "%s". Total time: %.2fs\n' % (step_name, total_time))
295
296
297def impala_exec_query_files_parallel(thread_pool, query_files, step_name):

Calls

no outgoing calls

Tested by

no test coverage detected