2022年5月6日 · First, thank you for being a long-term enQ customer and promoting us to your colleagues. To answer your question - No, EnQ is not the reason why that IRS is “clogged up”. The IRS has had hold time issues long before EnQ was around. Our opinion is that Covid 19 has greatly impacted both the supply and demand for IRS telephone assistance.

2019年4月29日 · enq: TQ - DDL contention. Apr 29, 2019 5:37AM edited May 7, 2019 5:00AM in Database Administration (MOSC ...

enq: IV - contention Nov 25, 2020 8:22AM in SQL Performance (MOSC) 11 comments Answered We are observing slowness of sql due to high "enq: IV - contention"( on sequence in select statement ) in production server but the same sql is running fine in lower dev instance.

2009年4月25日 · what is the reson for enq:DX contention What is the reason for "enq:DX contention significant database time. RECOMMENDATION 1: Application Analysis, 50% benefit (327353 seconds) ACTION: Investigate the cause for high "enq: DX - contention" waits. Refer to Oracle's "Database Reference" for the description of this

2020年8月7日 · I see enQ becoming more popular, and some webinar based CE/CPE often have a discount code for a trial version. For those not aware, enQ is a service that I guess functions like an auto-dialer (I may not be describing the process accurately). They begin calling the IRS when call centers open.

2015年12月3日 · ASH reports for sessions showing high "enq: TM - contention" wait time may help." From "Top Event P1/P2/P3 Values" section in the ASH report (for a particular session) : I got SQL_ID, Lock_mode. Question: 1. Should I run ASH for each individual sessions and compare the %event values - to get high "enq: TM - contention" session? (Let's say, I ...

Once datafile expansion completed the waits disappeared. All sessions waiting on enq: TT - contention were blocked by the session that was increasing the datafile. As per MOS 2089689.1 this is expected behaviour: "If a tablespace has only one datafile, extent allocation will always wait while a tablespace is being resized.

2014年6月2日 · In our RAC production environment(11.2.0.4 on linux) we are noticing performance issues and cause is 'enq: HW - contention' . During the MOS investigation , we found that th is was a bug(6376915) which is fixed in 11.2.0.1 but it is not activated until we turned it on by explicit event and bounce the instance.

2017年11月20日 · enq: TX - row lock contention Nov 20, 2017 9:50PM edited Dec 1, 2017 4:00AM in Database Tuning (MOSC) 4 comments Answered Top 5 Timed Events Avg %Total

2021年6月30日 · • Two sessions try to manipulate the same row (update/delete) will cause "enq: TX - row lock contention". • Two sessions try to insert different rows which has the same value for PK/UK will also get this due to PK/UK constraint enforcement.