Thanks John. Sushil Chaudhary Email: [email protected]
From: John Blum <[email protected]<mailto:[email protected]>> Reply-To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Date: Thursday, July 14, 2016 at 1:25 AM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: Re: Copy-on-read | Geode Yes, copy-on-read will have both a performance impact and resource impact (which invariably will affect performance). Since it is "copying" data (on reads) it is increasing the memory pressure. Typically, copy-on-read is only needed for Transactions (to prevent modification of the value in place). On Wed, Jul 13, 2016 at 10:22 PM, Udo Kohlmeyer <[email protected]<mailto:[email protected]>> wrote: As Wayne said, copy-on-read will have a performance impact, as every "get" operation will create a copy and return that. Thereby pseudo-immutability. --Udo On 14/07/2016 2:46 PM, Wayne Lund wrote: Its my understanding that copy-on-read will slow down the application, which is why the default is false. If you're just using the reference like its pseudo-immutable than false is what you'd want to leave it. Wayne Lund Platform Architect 916.296.1893<tel:916.296.1893> [email protected]<mailto:[email protected]> www.pivotal.io<http://www.pivotal.io/> [X] On Jul 13, 2016, at 8:50 PM, Chaudhary, Sushil (CONT) <[email protected]<mailto:[email protected]>> wrote: Does copy-on-read = true boost the Geode performance anyway? Attribute Description Default copy-on-read Boolean indicating whether entry value retrieval methods return direct references to the entry value objects in the cache (false) or copies of the objects (true). False Sushil Chaudhary Email: [email protected]<mailto:[email protected]> ________________________________ The information contained in this e-mail is confidential and/or proprietary to Capital One and/or its affiliates and may only be used solely in performance of work or services for Capital One. The information transmitted herewith is intended only for use by the individual or entity to which it is addressed. If the reader of this message is not the intended recipient, you are hereby notified that any review, retransmission, dissemination, distribution, copying or other use of, or taking of any action in reliance upon this information is strictly prohibited. If you have received this communication in error, please contact the sender and delete the material from your computer. -- -John 503-504-8657 john.blum10101 (skype) ________________________________________________________ The information contained in this e-mail is confidential and/or proprietary to Capital One and/or its affiliates and may only be used solely in performance of work or services for Capital One. The information transmitted herewith is intended only for use by the individual or entity to which it is addressed. If the reader of this message is not the intended recipient, you are hereby notified that any review, retransmission, dissemination, distribution, copying or other use of, or taking of any action in reliance upon this information is strictly prohibited. If you have received this communication in error, please contact the sender and delete the material from your computer.
