https://community.appian.com/discussions/f/general/29136/connection-pooltimeout-connectionHi All, We have a requirement of uploading 500 rows at a time. Out of 500 instances i see few instances are failing with the below error. a!queryRecordType [line 2]: APNX-3-4300-001: Connection pool drained - too many concurrent requests: org.apacheen-USTelligent Community 12https://community.appian.com/thread/115543?ContentTypeID=1Tue, 04 Jul 2023 09:12:47 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1e4ebf29-a411-412c-aef8-f8150fe5bf2cKarumuru Abhishek<p>Hi <a href="/members/gopuh">Gopu Hema</a> I think you can raise support ticket with Appian.&nbsp; They might increase GB for buffer pool in the database.</p><div style="clear:both;"></div>https://community.appian.com/thread/115485?ContentTypeID=1Mon, 03 Jul 2023 17:11:28 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e09220a7-f9ea-48f5-a7e9-27d7482263ffStefan Helzle<p>Eh ... what ?!?!</p> <p>Any database connection requires at least one connection from the pool. If the pool is exhausted, it has to wait. If the max waiting time is over, it fails. Simple logic!</p><div style="clear:both;"></div>https://community.appian.com/thread/115483?ContentTypeID=1Mon, 03 Jul 2023 16:45:19 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7c051b05-474e-42f9-97e5-905d9d04934epiyusha6151<p>but any qyery record type needs connection pool or not?</p><div style="clear:both;"></div>https://community.appian.com/thread/115143?ContentTypeID=1Tue, 27 Jun 2023 14:30:19 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:2592ce0e-5f5d-4d45-bf0a-b082f15058c2Stefan Helzle<p>Seems to be an environment sizing issue. I suggest to contact Appian.</p><div style="clear:both;"></div>