mirror of
https://github.com/dragonflydb/dragonfly
synced 2024-11-23 08:02:08 +00:00
59 lines
1.9 KiB
Python
Executable File
59 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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This is the script that helped to reproduce https://github.com/dragonflydb/dragonfly/issues/150
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The outcome - stalled code with all its connections deadlocked.
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Reproduced only with dragonfly in release mode on multi-core machine.
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"""
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import asyncio
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import aioredis
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from loguru import logger as log
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import sys
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import random
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connection_pool = aioredis.ConnectionPool(host="localhost", port=6379,
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db=1, decode_responses=True, max_connections=16)
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key_index = 1
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async def post_to_redis(sem, db_name, index):
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global key_index
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async with sem:
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results = None
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try:
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redis_client = aioredis.Redis(connection_pool=connection_pool)
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async with redis_client.pipeline(transaction=True) as pipe:
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for i in range(1, 15):
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pipe.hsetnx(name=f"key_{key_index}", key="name", value="bla")
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key_index += 1
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#log.info(f"after first half {key_index}")
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for i in range(1, 15):
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pipe.hsetnx(name=f"bla_{key_index}", key="name2", value="bla")
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key_index += 1
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assert len(pipe.command_stack) > 0
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log.info(f"before pipe.execute {key_index}")
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results = await pipe.execute()
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log.info(f"after pipe.execute {key_index}")
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finally:
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# log.info(f"before close {index}")
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await redis_client.close()
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#log.info(f"after close {index} {len(results)}")
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async def do_concurrent(db_name):
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tasks = []
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sem = asyncio.Semaphore(10)
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for i in range(1, 3000):
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tasks.append(post_to_redis(sem, db_name, i))
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res = await asyncio.gather(*tasks)
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if __name__ == '__main__':
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log.remove()
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log.add(sys.stdout, enqueue=True, level='INFO')
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loop = asyncio.get_event_loop()
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loop.run_until_complete(do_concurrent("my_db"))
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