Re: 1.4.19 bug?

Note that it could also be that your webapp's threads were all just stuck waiting to time out on one node. Depending on the client you're using, how your app is written, it may appear that everything is 'offline', but it's really just that your app is spending a large amount of time waiting for

Re: Python Memcached

Curious, what kind of protocol problems? There were a couple Trond and I were looking at with enabling out-of-order responses and some unsolicited responses. On Fri, Aug 25, 2017 at 2:53 PM dormando wrote: > I have some thoughts but need to finish a few other things first.

Re: Can memcached be used for true clustering...still unclear...

It's off topic for this list, but that's in effect what Couchbase does along with persistence. - Matt (full disclosure, I work for Couchbase) On Mon, Oct 26, 2015 at 6:35 AM, Jonas Steinberg wrote: > I've been reading the web for an hour now and I'm still unclear as

Re: memcached fails unexpectedly

Best to start with a pstack to see what state it is in. Use gdb to print a stacktrace for all threads if your OS has no pstack command. The other thing you may do is strace -c -f of the pid. This will let you know what its trying to ask the OS for. Finally, maybe try reducing the threads to 1

Re: Is memcached unable to handle large number of connections?

It is in response to a relatively rare, good problem to have. Imagine you have so many processes each with a connection on so many servers that its in the 10s of thousands. Then a proxy/mux makes sense over persistent connections. Matt On Jul 26, 2013 6:01 AM, Ryan Chan ryanchan...@gmail.com

Re: Memcached cluster

It's really a discussion for another mailing list, but if you could elaborate to me directly or to couchb...@googlegroups.com, I'd be interested in why you say Couchbase is much slower. I've not seen it that way. Full disclosure, I'm a couchbase person. I also do a lot of work on the

Re: Asynchronous notifications

Adding TAP with a filter on key and TAP operation type would be cool indeed.

Re: security for memcached on shared hosting

Why not run multiple instances? There is the also the open source bucket engine (written for membase/Couchbase) but it requires SASL with and 1.6. Could work, depending on your environment. Bucket engine is used at and was written for Heroku's memcached add on by Couchbase.

Re: Warning from spymemcached

You're likely overrunning the input queue. If you configure it for a bit of blocking, it'll work better for you. It's similar to the bulk loading description here: http://www.couchbase.com/wiki/display/couchbase/Couchbase+Java+Client+Library The tuning here is spymemcahed, just extended.

Re: Inserts to memcache very slow

Which client are you using? Any info in that area you can share? Also, is there possibly a different amount of network traffic each time? Actually, one cause could be setting memcached up with more memory than available on your system. How much physical memory have you? On Jul 30, 2012 6:22

Re: how do I not store the keys?

On 10/24/11 12:46 PM, dormando wrote: I'm using the last spymemcached release 2.7.3. This is caused by validateKey method in MemcachedClient: for(byte b : keyBytes) { if(b == ' ' || b == '\n' || b == '\r' || b == 0) { throw new IllegalArgumentException(Key contains

Re: how do I not store the keys?

On 10/24/11 3:48 PM, dormando wrote: There's nothing like that currently. Last discussion I remember is that we decided against allowing binary keys at the client because we don't know what other clients may expect when trying to get that item. We can certainly reconsider that, but it's not

Re: how do I not store the keys?

On 10/24/11 4:33 PM, dormando wrote: Nobody fucking does that. Get over it, yo. People read the minimum amount of crap they have to read until it works. Everyone else doesn't have a hard time finding work. Also; because when you don't, people switch to to other systems because they believe

release of spymemcached 2.7.2

with netty 3.2.0+. Matt Ingenthron (2): No need for old debugging string in test. Revert SPY-37 SPY-38: Fixed redistribution performance issue Mike Wiederhold (21): Operations can't timeout when writing to the write buffer. SPY-125: Significant performance issue large number

release of spymemcached 2.7.1 - Java client for memcached (and Membase)

of the testing server Fixed issue with flags not being added properly to tap messages Added README.markdown. Added ability to do tap dump Tap streams now pause every 10,000 messages. Matt Ingenthron (7): Adding a warmup state for nodes. Also check for RETRY during

Re: Memcached running very slow

On 8/17/11 8:44 AM, Neeraj Agarwal wrote: I installed memcached on Ubuntu box. Installed MongoDB too on the same machine to compare the performance for these two. By default, mongodb doesn't check for responses at all. It just sends requests over. That *could* be playing a role here. The

Re: does memcached cause any disk io?

On 6/21/11 1:37 AM, Mark Maggelet wrote: I'm hoping someone can explain this to me. I turned on fragment caching with memcached for my rails app recently and unless I'm tripping it made the disk io part of my ec2 bill go up. The memcached server is on a different host than the rails app if

Re: maximum number of keys in a get operation

On 6/20/11 11:44 AM, nt wrote: What's the upper bound on the number of keys a client can get from the server? Info regarding both the ASCII and binary protocols would be greatly appreciated. 127^256, but you can get the same key more than once. Binary follows ASCII protocol in its

Re: memcache 1.4.5 crashed under high load (200-400mbps on the network interface)

Hi Nickolay, Couple things missing are OS and libevent version. :) You may want to try preloading libsegfault, that'd give us a bit more information. Verify you're updated on the latest 1.4 libevent too. Otherwise there's not much useful info I see. Matt On 6/19/11 2:52 AM, Kutovoy Nickolay

Crosspost: spymemcached 2.7 release (was: Fwd: release of 2.7 and roadmap)

any questions or issues. Thanks, Matt -- Matt Ingenthron Couchbase, Inc.

Re: Membase bucket creation.

Hi Aditya, You should take this to memb...@googlegroups.com or the membase forums. This list is about memcached. Regards, Matt On 6/5/11 7:32 PM, Aditya Kumar wrote: How to use membase backets? I have 4 tables that need to be created.so 4 vbackets. Initially I have the default bucket

Re: a c memcached client

Hi Tony, On May 28, 2011, at 4:36 AM, tony Cui wrote: I wrote a c memcached client. The reason I wrote it is because spymemcached has some problems, say connection reset by peer. And the problems has driven crazy, so a idea came up , what about write a client. I'm

spymemcached Java client 2.6 release

Factory Bean, be 2.5 compatible. Matt Ingenthron (19): Changed ports in tests for non-listening to something higher. Do not write timedout operations to the MemcachedNode. Increased default timeout to 2500ms. Test for timeout from operation epoch

Re: spymemcached Java client 2.6 release

On 5/13/11 4:10 AM, Alexey Zlobin wrote: It looks like module name in POM was changed from memcached to spymemcached. May be wiki page about maven repository should be updated? Yes, it should. Will do. The changed module name seems more correct to me. Does anyone have any opinions on that?

Re: client behavior with large sizes

On 4/28/11 10:16 PM, Matt Sellars wrote: How does one configured this value? There is a -I parameter that was added around 1.4.3 I think. The param is not to be used lightly, as you may have to do some slab tuning. See the release notes for details. Matt On Apr 28, 10:50 pm, Dustin

client behavior with large sizes

Hi, I'd recently been trying to fix an issue with spymemcached when the server side allows larger than 1MiB. I'm fairly certain that other clients may have similar issues, so I wanted to kind of collect how clients should behave in this area. With the change to allow max item size to be a

spymemcached 2.6 release candidate

appreciate it if anyone can offer feedback. Thanks, Matt On 4/19/11 12:58 AM, Matt Ingenthron wrote: After the review, I'll kick out a short rc2, followed by a final. The plan is also to get this in a public maven repo and also do some whitespace reformatting (sorry tab formatting fans) to make

small hackathon, March 17

Hi all, Since a few of the core folks are in the same place at the same time, we're going to hold a small hackathon... this time really hacking... to work on some merging of a couple of branches together to push to the next release. If you are interested in participating and already have some

Re: small hackathon, March 17

On 3/16/11 11:56 PM, dormando wrote: what time does it start? ;) Tentatively, 3pm-ish. That's admittedly an early start, but I suspect it won't really get going until about 6pm. Ideally, it ends when we've gotten something done. :) On Wed, 16 Mar 2011, Matt Ingenthron wrote: Hi all

Re: Open Source Projects using Memcache?

On 3/7/11 4:29 PM, Fuzzpault wrote: Anyone know of any open source projects (preferably in php) which use memcache at its core, or that is greatly accelerated with it? Mediawiki has built in support for memcache (as likely included by occasional contributor Domas). It's also very important

Re: Problems when one of the memcached server down

Hi Lior, On 3/3/11 1:53 PM, Evil Boy 4 Life wrote: Hi, I use the .net clients and 2 servers at 2 different machines. When one of the memcached servers is down, I try to set an item to the cache (According the hashing algoritem of the client, this item should stored the inactive server!) and

Re: Load balancing in memcached

On 3/4/11 3:55 AM, Priya wrote: Does memcached load balance, i.e., what if most of the keys hash to a particular server, does memcached take some actions to load balance it? Generally speaking, since responses come from RAM and memcached can pretty easily saturate network interfaces with very

Re: Replication of key-value pairs

On 3/4/11 3:54 AM, Priya wrote: Are the key-value pairs replicated on different nodes or does the pair remain with only on one RAM? With memcached, key/value pairs remain only in one node in RAM. Have a look at the wiki and the list archives for more info. Good luck! Matt

Re: Memcached-1.4.5 Solaris 10 Error

Hi Felipe, Do note that the memcached build on Solaris works best when using Sun's cc, not gcc. Last I checked, it was still freely available (but required registration). Which version of libevent did you use? Solaris 10 has libevent built in over in the SFW repository, and that one has been

Re: Replication ?

Hi Nathan, On 3/3/11 1:42 PM, Nathan Nobbe wrote: Hi all, I know I'll get blasted for not googling enough, but I have a quick question. Here's a dime. Get yourself a web browser and bring me back $0.10 change. :) (said jokingly...) I was under the impression memcached servers

Re: Memcached Benchmarks

On 1/21/11 6:19 AM, vickycc wrote: Besides brutis and memslap, do you know of any other well-known benchmarks for memcached? I don't know if it's well known, but: https://github.com/ingenthr/memcachetest (let me know if you want a dist tarball, that'd be easier to build) There's also:

Re: Require Windows build of Memcache

Hi Vitold, On 12/31/10 3:54 PM, Vitold S wrote: Hello, I am Web developing at Winows platform and I am want tu use Memcache, but I am cant use last version with all interesting function... Plaease make at memcache.org build or port to Wienows... memcached.org provides only source. Trond

Re: Install Memcached

On 1/4/11 6:06 AM, Gustavo Paixão wrote: HI, I'm new with memcached, I'l like to know hot to install in my server, RHEL 5 with CPanel. I'm trying to install by CPanel, I found this module: memcached 1.0.2 stable PHP extension for interfacing with memcached via libmemcached library

Re: Memcache doesn't work when used in Magento

On 1/4/11 6:13 AM, Shabam wrote: I have installed a Magento in a Web Cluster(include two web server) and Magento work fine in any independent server. In order to improve performance and shared session between multiple Web servers, I config Magento save session to memcache server. But now, I

Re: Require Windows build of Memcache

. Regards, Matt On Tue, Jan 4, 2011 at 10:43 AM, Matt Ingenthron ingen...@cep.net wrote: Hi Vitold, On 12/31/10 3:54 PM, Vitold S wrote: Hello, I am Web developing at Winows platform and I am want tu use Memcache, but I am cant use last version with all interesting function... Plaease make

Re: Install Memcached

On 1/4/11 10:07 PM, Gustavo Paixão wrote: Hi Matt, I was looking for libmemcached inInstall a Perl Module page at WHM and I found this *Memcached::libmemcached*, I try to install but I got some error. The error message is attached. Do you know if i did something wrong or if a need to install

Re: can't set entry in memcached database

Hi Jason, On 12/7/10 2:05 AM, jason wrote: We are running memcached version 1.2.8 on Solaris 10 118833-36. We are running with the following options: memcached -c 256 -u nobody -d -m 256 -l 127.0.0.1 -p 11211 We are seeing the following errors: RlsMemGet: cannot get object, error: SYSTEM

Re: Memcache::set() [memcache.set]: Server 127.0.0.1 (tcp 11211) failed with: SERVER_ERROR unauthorized, null bucket (0)

That appears to be using the bucket engine. Are you sure you're using memcached, and not membase? membase has a different mailing list: memb...@googlegroups.com Hope that helps, Matt On 12/2/10 11:52 AM, sush wrote: Hi everyone, Here i am using wamp server and trying to run memcache, but it

Re: Memcached on dual quad-core server with 32 gig ram

On 10/29/10 1:36 AM, Obeyon wrote: Dear memcached experts, I was wondering what the best configuration of memcached is on a server with a high amount of ram (in this case 20 gb for memcached) and multiple cores (in this case 8). Would it be better to use multiple smaller memcached instances

Re: next planned release of memcached

Hi Pavel, On 10/19/10 12:00 AM, Pavel Kushnirchuk wrote: Folks, May be anybody know, when will be a next planned release of memcached. Especially I am interested in a release of Win32 branch. As dormando said, we're aiming to put some effort into this soon. I'm curious though, what about

Re: Enhancement of memcached

On 10/18/10 6:35 AM, Pavel Kushnirchuk wrote: Sorry may be my question is a bit stupid. I need to extend a memcached with very simple additional functionality(allow to listen memcached on multiple IP addresses). Could I do all necessary changes in Win32 branch? Will all my changes to go to

Re: compiling memcache without threads on multi-core system

On 9/24/10 12:10 AM, Paul Lindner wrote: A good rule of thumb is one thread per core, but you should run your own benchmarks on your hardware. +1 This is a good general rule of thumb overall, though the old general rule is go up to 4x number of CPUs if tuning for throughput, and just at or

Re: 1TB memcached

On 9/22/10 6:12 AM, ligerdave wrote: MongoDB is actually cached db, meaning that, most of its records are in memory. I think there is also a memcached and DB hybrid which comes w/ a persistent option. i think it's called memcachedDB, which runs a in- memory db(like mongodb). this shares most

Re: 1TB memcached

On 9/22/10 10:23 AM, Les Mikesell wrote: On 9/22/2010 11:59 AM, Matt Ingenthron wrote: On 9/22/10 6:12 AM, ligerdave wrote: MongoDB is actually cached db, meaning that, most of its records are in memory. I think there is also a memcached and DB hybrid which comes w/ a persistent option. i

Re: Quick question on the Timezone

On 9/22/10 1:41 PM, Ravi Chittari wrote: We have memcached instances up and running in production. We want to change our systems from one timezone ( Say EST) to UTC. Does memcached instance automatically pick up new Timezone and what happens to the cached items? IIRC, times are tracked as

Re: Lot of misses

marrra wrote: Hi, I'm using memcached for caching search suggest box. I've done this: Set lifetime for all items to 30 hours and restart memcached. After 24hours are stored about 87000 items in memcached and in last 2 hours was added only few items. When I look at graf (bijk.com) I see cache

Re: Lot of misses

efficient, but the first step it seems in your case would be to add more memory. Since you've done that, I bet it'll help. - Matt On Aug 18, 6:41 pm, Matt Ingenthron ingen...@cep.net wrote: marrra wrote: Hi, I'm using memcached for caching search suggest box. I've done

Re: is there a way to tell if a memcached client is still alive / connected?

Chad wrote: I am trying to find a way to check if the memcachedclient is still alive or not but it seems to be there is no public api for me to do so. Can someone clarify this? Not really. You should be able to use system level tools (i.e. netstat -a | grep 11211) to see connections in the

Re: is there a way to tell if a memcached client is still alive / connected?

dormando wrote: sto I'm pretty sure he sent it only once. I think this is a problem with Google's SMTP and MTAs if I recall correctly. This happened on a majordomo based list I am on, and it died down after a little bit. I

Re: Also failing tests of 1.4.5 on Solaris 9 Sparc

Dagobert Michelsen wrote: Hi Dustin, Am 12.08.2010 um 18:25 schrieb Dustin: We don't have anyone working on sparc at the moment. Would love fixes. :) You haven't? What happend to Trond Norbye? Trond is still doing Solaris development, but has been working on other stuff of late. Still

Re: LRU mechanism question

Hi Sergei, For various reasons (performance, avoiding memory fragmentation), memcached uses a memory allocation approach called slab allocation. The memcached flavor of it can be found here: http://code.google.com/p/memcached/wiki/MemcachedSlabAllocator Chances are, your items didn't fit

Re: Is this really Distributed?

Dilip wrote: We read that memcached is Free open source, high-performance, distributed memory object caching system Where as distirbuted is not part of memcached servers. We have to have some client which knows about all memcached servers and uses some hash based on key to determine a server.

release of spymemcached 2.5

): Implementing read-only methods in MemcachedNodeROImpl - issue86 Kristian Eide (1): Allow user-specified wait time for availability of queue space. Matt Ingenthron (14): Invert the ConnectionFactoryBuilderTest to go with new logic. Document unexpected incr/decr behavior. Issue 48

BoF at MySQL Conf (was Re: Memcached release 1.4.5)

dormando wrote (among other things): A number of us will be at MySQLConf (http://en.oreilly.com/mysql2010/) next week. I proposed a BoF at the MySQL Conference to get the memcached users, client and server authors together. It has been accepted so Tuesday the 13th, we'll have a BoF and

Re: Get Id of largest objects

dormando wrote: Is there anyway to get the keys of the largest objects currently in my memcached? I'm not concerned about locking up the server. I just wish to be able to run a command one time which will give me the key of the biggest objects that are currently stored. Thanks You could

Re: objects deleted from cache after 20min

Hi, Alexandre Ladeira wrote: I'm using memcached to store these data: - user object - an java object consisting of username, password, city...; - user status info; - counter, so for every user login, I will make three memcached put operation. After making 10.000 logins, I have these stats via

Re: Memcached set is too slow

Chaosty wrote: It runs on the same server, php memcached connects by 127.0.0.1 to it. it close but not the same. i did kill and run clean memcached server, each time it was close to 0.1 sec. In that case, I totally agree this is suspicious. Just to toss out another idea, it sounds like

Re: memcached + SASL

Hi Yakuza, yakuza wrote: i have compile memcached + sasl support for testing it but all plugin for wordpress or vbulletin don't support it .. it's more new feature and none have write support? Two of the most popular clients, libmemcached and spymemcached, have SASL support in their

Re: does memcached work on windows 7

tvinod wrote: im trying to run memcached on my windows 7 machine within a rails project and it errors out.. 936 connection closed. 940 new client connection 940 set mem-development:c222efbcfc08b4850198cd1eea610f76 0 0 217 940 STORED Failed to write, and not due to blocking: Resource

Re: memcached and access control

Aaron Stone wrote: On Wed, Jan 6, 2010 at 2:48 AM, pub crawler pubcrawler@gmail.com wrote: (snip...) Needless to say, permissions and authentication is a feature set that is going to re-requested for addition now and in the future. It opens the door for someone to create a

Re: memcached and access control

Aaron Stone wrote: Authentication, at least, has been in the community memcached release for the last two micro releases: http://code.google.com/p/memcached/wiki/ReleaseNotes143 It's a reasonable effort at keeping someone from writing to your cache. Surely they can still sniff the network

Re: How to get data after execute flush_all?

Stephen wrote: Hi, everyone: In my project, I execute the flush_all command with careless, however, the data in the memcache is important for me, it has not to be saved into database. And I read the doc, it says flush_all doesn't actually free all the memory taken up by existing items;

Re: mutex on memcached

Hi JB, Just a couple of quick thoughts, and others will likely jump in as well. juanbackson wrote: Hi, I have two distributed clients that need to write stuff to memcached, but each write will involve two records. These two records must be sync. So, they must be changed together. You

Re: Windows 2003 64 Bit memory utilization?

Hi David, David H. wrote: I notice that the standard way to build a Win64 port is to use MinGW/ Cygwin. I am interested in a native Win64 port which makes the necessary calls directly, and I'm willing to create and maintain such a port, so long as I get support from the owners to maintain it

Re: Memcached user warnings

dormando wrote: Yo, I'm debating a small patch for 1.4.2 that would add (more) commandline warnings for memcached. You'd of course only see most of them if you fire it up without the -d option, but hopefully in the course of testing someone tries that. For exampple, if someone sets `-m 12`

Re: Range Spec Posted to Wiki

dormando wrote: That's *kind* of what I thought. I'm unawrae of anyone having real authoritative specifications on wikipedia? Is there something to show otherwise? Not that my opinion means that much, but Wikipedia, like the encyclopedias they mirror in the treeware world (as opposed to

Re: How can I connect to memcached using PERL ?

daugia247 wrote: I have installed memcached using danga. But cannot connect to memcache (using PERL). Do I need to install more package or something else ? Can anyone give instruction ? You will need a client. There is a full list with links on the server's project site:

release updates and roadmap discussion

Hi all, Since a number of memcached contributors and client authors were in one place at the Drizzle conference this week in Seattle we had a short discussion about the release roadmap for stable and development branches. I captured much of the discussion and it's posted on the wiki:

Re: RAM type

jim wrote: Which RAM type(buffered, un-registered or FB DIMM) is better for memcached server? I'd venture to say for 99%+ deployments, it doesn't really matter. The network is the largest limiting factor in both latency and throughput for memcached performance. $/GB is probably your

Re: 1.2.6 to 1.2.8 or 1.4.0?

Jay Paroline wrote: Hello, We've been having some intermittent memcached connection issues and I noticed that we are a couple of releases behind. Our current version is 1.2.6. Before I nag our admin about upgrading, is there any reason why it might be more wise to go to 1.2.8 rather than make

Re: Issue tracker now set to spam the mailing list

dormando wrote: Yo, Updates to the issue tracker should now all hit the mailing list. The traffic over there is relatively low, but only a small handful of us actively check it - I'd prefer all information go to the same place. I think this is a good change... A few threads which should

Re: Is clearing out the cache necessary?

blazah wrote: What do folks do with the objects stored in memcached when a new version of the software is deployed? There is the potential that the data could be stale depending on the code changes so do people typically just flush the cache? The most common approach here is to add

Re: Memcached crash

lessmian2 wrote: Thanks for reply. I have 32-bit kernel. I have no memory limits for single process. Ulimit say: You can look at ulimit as soft limits. There are always hard limits based upon your system's architecture and the features of that architecture you're using. One of these is

Re: Memcached 1.4.0 (stable) Released!

Dustin wrote: On Jul 19, 4:29 pm, Gary Z g...@ironplanet.com wrote: In order to make it work for Solaris10 x86 (not opensolaris), I had to make following minor changes, two issues: Hey, we have a Solaris 10 sparc builder and OpenSolaris x86 builders. Apparently that's not enough

Re: at OSCON? get together?

Brian Moon wrote: I may not be at the Gearman BoF but want to meet up with you guys. Do we know the where part yet? Yep, all confirmed. Wednesday 7/22, we have a spot reserved at Gordon Biersch, 8pm. 33 E San Fernando St., San Jose, CA 95113. I believe it's between 1st and 2nd

Re: Release schedule for 1.4.1 and beyond

Thanks for kicking off the discussion on this. dormando wrote: I'd like to propose something mildly similar to the linux kernel schedule, but inverted a little: - 3 weeks after each new stable release, we release -rc1 for the next release. - New -rc's will be kicked out daily or bidaily if

web cleanup request for danga.com

Based on a discussion on the IRC channel and the mailing list, it seems people aren't finding the release notes. I believe (partially because one guy told me it was the case) this is because the release notes are not linked from the danga.com/memcached/news.bml page When walking around,

Re: web cleanup request for danga.com

the release notes link on the news page on danga.com will probably help. - Matt On Jul 16, 2009, at 9:53 AM, Matt Ingenthron wrote: Based on a discussion on the IRC channel and the mailing list, it seems people aren't finding the release notes. I believe (partially because one guy told me

Re: Enabling large-page-allocations

the issue you were seeing. Incidentially, how did the memory fragmentation manifest itself on your system? I mean, could you see any effect on apps running on the system? Thanks, Mike On Jul 13, 8:38 pm, Mike Lambert mlamb...@gmail.com wrote: On Jul 10, 1:37 pm, Matt Ingenthron ingen

at OSCON? get together?

Hi all, In the IRC channel the other day, it came up that a number of us will be at OSCON. There are a number of IRC and mailing list regulars who probably haven't met in person. Is anyone interested in meeting up one evening? This would be a social event (though we'll no doubt

Re: at OSCON? get together?

with those working with/on Gearman, so let's target 8:30 instead. Those who want to proceed from the Gearman BoF can, and those who may be doing another BoF or something else interesting will just know where/when to meet us. Sound good? On Tue, Jul 14, 2009 at 12:17:05AM -0700, Matt Ingenthron wrote

Re: Enabling large-page-allocations

Mike Lambert wrote: Currently the -L flag is only enabled if HAVE_GETPAGESIZESHAVE_MEMCNTL. I'm curious what the motivation is for something like that? In our experience, for some memcache pools we end up fragmenting memory due to the repeated allocation of 1MB slabs around all the other

Re: memcached MySQL dotorg booth

hachi wrote: Hi Jruiz, I'll be at the booth for the entire time next week. I had been planning this via dormando (who sent a message similar to yours on the list a short while ago), and I have some supplies for the booth already. I manned the booth for a bit last year, and I'd be glad to

Re: why -k dangerous?

Qiangning Hong wrote: The manpage says: -k Lock down all paged memory. This is a somewhat dangerous option with large caches, so consult the README and memcached homepage for configuration suggestions. README says: Also, be warned that the -k (mlockall)

Re: memcached not freeing up ram?

tongueroo wrote: Thats a good point. Um. maybe thats swap is whaat is happening. Note there is a -k flag to memcached which, depending on underlying OS, can lock down the pages so they won't page out to swap space. Since your mongrel memory usage will be variable, you may be able to

Re: facebook memcached on github (redux)

Toru Maesaka wrote: oops, clicked send before I finished the email :( ASFAIK, Trond and Matt has been experimenting quite a bit with what I've mentioned above. True, more Trond than I. I've been working on a method of testing, and have a good workload generator. We're actually not