[GitHub] [arrow] apache135 commented on issue #14268: [pyarrow] significant increase in memory when connect hdfs and upload files to hdfs

[GitBox <gi...@apache.org>]

apache135 commented on issue #14268:
URL: https://github.com/apache/arrow/issues/14268#issuecomment-1323193721

   Here is the code:
   `import os
   import time
   import psutil
   import pyarrow as pa
   
   
   def get_hdfs_client():
       ticket_path = "/tmp/krb5cc_3004"
       return pa.hdfs.connect(user=os.getenv('FI_KAFKA_USER'), kerb_ticket=ticket_path)
   
   
   def upload(hdfs_client):
       local_upload_path = "/tmp/lvtest/python399.zip"
       hdfs_path = "/tmp/python399.zip"
       try:
           with open(local_upload_path, "rb") as f_stream:
               hdfs_client.upload(hdfs_path, f_stream, buffer_size=128*1024*1024)
       except Exception as e:
           print(f"upload {hdfs_path} fail: {e}")
   
       print("upload: ok")
   
       time.sleep(1)
       try:
           hdfs_client.rm(hdfs_path)
       except Exception as e:
           print(f"rm {hdfs_path} fail: {e}")
       # del file
       # gc.collect()
   
   
   if __name__ == '__main__':
       print('========= test start ========')
       start_memory = psutil.Process(os.getpid()).memory_info().rss / 1024 / 1024
       hdfs_client = get_hdfs_client()
       after_get_client_memory = psutil.Process(os.getpid()).memory_info().rss / 1024 / 1024
       print(fr"test done. start memory: {start_memory}, "
             fr"get hdfs client: end memory: {after_get_client_memory}")
       upload(hdfs_client)
       print(fr"finish upload,end memory: {psutil.Process(os.getpid()).memory_info().rss / 1024 / 1024}")
       time.sleep(60)`
   


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: github-unsubscribe@arrow.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org