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chunking publish to pubsub #11

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merged 5 commits into from
Dec 16, 2021
Merged

chunking publish to pubsub #11

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23ea4f6
chunking publish to pubsub
akshay-ghy Aug 26, 2021
033b3d8
acutal batch
akshay-ghy Aug 26, 2021
dfa7706
updated README
saurabhdaga-merkle Aug 26, 2021
fc03e81
fix logging
akshay-ghy Aug 26, 2021
557e58f
Update README_CONTAINER_REGISTRY.md
saurabhdaga-merkle Dec 16, 2021
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25 changes: 15 additions & 10 deletions blockchainetl/jobs/exporters/google_pubsub_item_exporter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,16 +45,21 @@ def open(self):
pass

def export_items(self, items):
try:
self._export_items_with_timeout(items)
except timeout_decorator.TimeoutError as e:
# A bug in PubSub publisher that makes it stalled after running for some time.
# Exception in thread Thread-CommitBatchPublisher:
# details = "channel is in state TRANSIENT_FAILURE"
# https://stackoverflow.com/questions/55552606/how-can-one-catch-exceptions-in-python-pubsub-subscriber-that-are-happening-in-i?noredirect=1#comment97849067_55552606
logging.info('Recreating Pub/Sub publisher.')
self.publisher = self.create_publisher()
raise e
tot_steps = (len(items) // 1000) + 1
logging.info('Total publish loop steps'+str(tot_steps))
for i in range(0, len(items), 1000):
mini_batch = items[i:i + 1000]
logging.info('Current Loop Iteration' + str(i + 1)+ 'out of'+str(tot_steps))
try:
self._export_items_with_timeout(mini_batch)
except timeout_decorator.TimeoutError as e:
# A bug in PubSub publisher that makes it stalled after running for some time.
# Exception in thread Thread-CommitBatchPublisher:
# details = "channel is in state TRANSIENT_FAILURE"
# https://stackoverflow.com/questions/55552606/how-can-one-catch-exceptions-in-python-pubsub-subscriber-that-are-happening-in-i?noredirect=1#comment97849067_55552606
logging.info('Recreating Pub/Sub publisher.')
self.publisher = self.create_publisher()
raise e

@timeout_decorator.timeout(300)
def _export_items_with_timeout(self, items):
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