[英]elasticsearch-py and multiprocessing
在多處理腳本中使用elasticsearch-py的正確方法是什么? 我應該在啟動進程之前創建一個新的客戶端對象並使用該對象,還是應該在每個進程中創建一個新對象。 第二個給我一個關於elasticsearch的連接問題的錯誤
謝謝Kiran
當我將客戶端對象聲明為全局變量時,似乎第一種方法對我有用。
from multiprocessing import Pool
from elasticsearch import Elasticsearch
import time
def task(body):
result = es.index(index='test', doc_type='test', body=body)
return result
def main():
pool = Pool(processes=MAX_CONNECTS)
result = []
for x in range(10):
result.append(pool.apply_async(task, ({'id': x},)))
time.sleep(1)
for rs in result:
print(rs.get())
if __name__ == "__main__":
MAX_CONNECTS = 5
es = Elasticsearch(hosts="localhost", maxsize=MAX_CONNECTS)
main()
輸出看起來像
{'_index': 'test', '_type': 'test', '_id': 'xEjqBWcB9xsUYKqz-P6U', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 1, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'w0jqBWcB9xsUYKqz-P6U', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 0, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'x0jqBWcB9xsUYKqz-P6X', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 4, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'xkjqBWcB9xsUYKqz-P6X', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 3, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'xUjqBWcB9xsUYKqz-P6W', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 2, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'yEjqBWcB9xsUYKqz-P66', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 4, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'ykjqBWcB9xsUYKqz-P7I', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 2, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'yUjqBWcB9xsUYKqz-P7I', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 3, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'y0jqBWcB9xsUYKqz-P7P', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 4, '_primary_term': 1}
{'_index': 'test', '_type': 'test', '_id': 'zEjqBWcB9xsUYKqz-P7V', '_version': 1, 'result': 'created', '_shards': {'total': 2, 'successful': 1, 'failed': 0}, '_seq_no': 5, '_primary_term': 1}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.