Nimbostratus
I had the tender about cache engine, I saw that BIG-IP LTM have a module for caching so I wonder that whether BIG-IP could use as a cache engine or not. Did you have any documents about cache of BIG-IP for features, configures....
Please give me some advice soon.
Thanks so much
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©2024 F5, Inc. All rights reserved. \nWow, a lot of logic there... What are you accomplishing with the above iRule?\n
\n\nRound robin load balancing of Diameter messages. Unfortunately, because of the need to do a little bit more than just a simple RR LB, such as changing the Origin Host on responses from the server, the iRule is needed instead of just using the Diameter profile. Lab testing found that the max supportable TPS was about 10,500 on a 6900 running 10.1. With more clients, and attention paid to even client distribution across the TMM's, we could probably push that higher, since 15 Seagull clients running concurrently for a total of 8500 TPS had the total CPU load a little over 70%. This iRule does introduce a load hit on the CPU, and a rather significant load at that.","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"218","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-24T10:02:51.000-07:00","lastPublishTime":"2010-08-24T10:02:51.000-07:00","metrics":{"__typename":"MessageMetrics","views":458},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165748","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"customFields":[],"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}}},"User:user:86049":{"__typename":"User","id":"user:86049","uid":86049,"login":"Colin_Walker_12","biography":null,"registrationData":{"__typename":"RegistrationData","status":null,"registrationTime":"2005-05-12T01:00:00.000-07:00"},"deleted":false,"email":"","avatar":{"__typename":"UserAvatar","url":"https://community.f5.com/t5/s/zihoc95639/m_assets/avatars/default/avatar-4.svg?time=0"},"rank":{"__ref":"Rank:rank:47"},"entityType":"USER","eventPath":"community:zihoc95639/user:86049"},"ModerationData:moderation_data:165749":{"__typename":"ModerationData","id":"moderation_data:165749","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:165749":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:86049"},"id":"message:165749","revisionNum":2,"uid":165749,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:TechnicalForum"},"parent":{"__ref":"ForumTopicMessage:message:165743"},"conversation":{"__ref":"Conversation:conversation:165743"},"subject":"Re: Use of pipe in if statement","moderationData":{"__ref":"ModerationData:moderation_data:165749"},"body":"As far as the beast above, I noticed that you're doing a lot of setting statics and math in the CLIENT_ACCEPTED event that could be done in RULE_INIT rather than for every single connection. Is there a reason for that?
\n
\n
\n
For instance all of this code could easily be moved to RULE_INIT where it would be run once at load time, rather than for every single connection. Unless I'm missing something, these are all static values that are either being set or computations based on static values that could be set once and then left alone...right?
\n
\n
\n set maxloop 20 \n set timeout 11100 \n set DWA_head 010000400000011800000000 \n set DWA_avp 0000010c4000000c000007d1000001084000000e4249472d495000000000012840000010746573742e636f6d \n set DPA_head 0100004c0000011a00000000 \n set DPA_avp 0000010c4000000c000007d1000001084000000e4249472d495000000000012840000010746573742e636f6d0000010c4000000c000007d1 \n set ohostval \"lb.site.com\" \n set ohostdlen [string len $ohostval] \n set ohostlen {expr $ohostdlen + 8} \n set ohostpad {expr (4 - ( ${ohostdlen} % 4) )%4 } \n set ohostlen_pad {expr $ohostlen + $ohostpad } \n set my_ohostavp {binary format IIa${ohostdlen}H[expr 2 * ${ohostpad}] 264 [expr (0x40<<24)| ${ohostlen}] $ohostval 000000} \n binary scan $my_ohostavp H* ohosthex \n \n
\n
That's an immense amount of overhead that you could carve out of each connection with about 30 seconds worth of changes to variable names and one new EVENT declaration.
\n
\n
Just a thought.
\n
\n
Colin","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"203","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-25T15:02:41.000-07:00","lastPublishTime":"2022-11-22T15:53:23.861-08:00","metrics":{"__typename":"MessageMetrics","views":456},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165749","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}},"customFields":[]},"ModerationData:moderation_data:165750":{"__typename":"ModerationData","id":"moderation_data:165750","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:165750":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:282614"},"id":"message:165750","revisionNum":2,"uid":165750,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:TechnicalForum"},"parent":{"__ref":"ForumTopicMessage:message:165743"},"conversation":{"__ref":"Conversation:conversation:165743"},"subject":"Re: Use of pipe in if statement","moderationData":{"__ref":"ModerationData:moderation_data:165750"},"body":"Posted By Colin Walker on 08/25/2010 03:02 PM\n
\nAs far as the beast above, I noticed that you're doing a lot of setting statics and math in the CLIENT_ACCEPTED event that could be done in RULE_INIT rather than for every single connection. Is there a reason for that?
\n
\n
\n
For instance all of this code could easily be moved to RULE_INIT where it would be run once at load time, rather than for every single connection. Unless I'm missing something, these are all static values that are either being set or computations based on static values that could be set once and then left alone...right?
\n
\n
\n set maxloop 20 \n set timeout 11100 \n set DWA_head 010000400000011800000000 \n set DWA_avp 0000010c4000000c000007d1000001084000000e4249472d495000000000012840000010746573742e636f6d \n set DPA_head 0100004c0000011a00000000 \n set DPA_avp 0000010c4000000c000007d1000001084000000e4249472d495000000000012840000010746573742e636f6d0000010c4000000c000007d1 \n set ohostval \"lb.site.com\" \n set ohostdlen [string len $ohostval] \n set ohostlen {expr $ohostdlen + 8} \n set ohostpad {expr (4 - ( ${ohostdlen} % 4) )%4 } \n set ohostlen_pad {expr $ohostlen + $ohostpad } \n set my_ohostavp {binary format IIa${ohostdlen}H[expr 2 * ${ohostpad}] 264 [expr (0x40<<24)| ${ohostlen}] $ohostval 000000} \n binary scan $my_ohostavp H* ohosthex \n \n
\n
That's an immense amount of overhead that you could carve out of each connection with about 30 seconds worth of changes to variable names and one new EVENT declaration.
\n
\n
Just a thought.
\n
\n
Colin\n
\n\nI'll be honest, this is just what was presented to me, so I'm not sure what the reasoning was to put all this into the CLIENT_ACCEPTED. Assuming that all connections get the default settings, if that mass can be moved to a better location, I'm all for it. As I mentioned in the thread, the overhead on this was pretty shocking. More efficiency is always appreciated.","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"208","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-25T15:22:18.000-07:00","lastPublishTime":"2022-11-22T15:53:20.741-08:00","metrics":{"__typename":"MessageMetrics","views":456},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165750","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}},"customFields":[]},"ModerationData:moderation_data:165751":{"__typename":"ModerationData","id":"moderation_data:165751","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:165751":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:282614"},"id":"message:165751","revisionNum":1,"uid":165751,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:TechnicalForum"},"parent":{"__ref":"ForumTopicMessage:message:165743"},"conversation":{"__ref":"Conversation:conversation:165743"},"subject":"Re: Use of pipe in if statement","moderationData":{"__ref":"ModerationData:moderation_data:165751"},"body":"Thanks for the \"static::my_ohostavp\" pointer. Would have missed that one right off.
\n
\n
I did go through and incorporate some switch statements in a few locations. So far, so good. Haven't tested the functionality yet, but once we do, I'll post some stats. I'me very curious to see what the differences look like.
\n
\n
-eaw","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"213","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-25T20:47:46.000-07:00","lastPublishTime":"2010-08-25T20:47:46.000-07:00","metrics":{"__typename":"MessageMetrics","views":457},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165751","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}},"customFields":[]},"ModerationData:moderation_data:165752":{"__typename":"ModerationData","id":"moderation_data:165752","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:165752":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:86049"},"id":"message:165752","revisionNum":1,"uid":165752,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:TechnicalForum"},"parent":{"__ref":"ForumTopicMessage:message:165743"},"conversation":{"__ref":"Conversation:conversation:165743"},"subject":"Re: Use of pipe in if statement","moderationData":{"__ref":"ModerationData:moderation_data:165752"},"body":"The first thing I notice is that in the RULE_INIT section you'll want to use the static::var form as well.
\n
\n
So set ohostval \"lb.site.com\" becomes set static::ohostval \"lb.site.com\"
\n
\n
\n
Other than that though, looks good, assuming you didn't change anything other than moving that chunk up into RULE_INIT
\n
\n
Colin","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"213","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-26T12:25:03.000-07:00","lastPublishTime":"2010-08-26T12:25:03.000-07:00","metrics":{"__typename":"MessageMetrics","views":458},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165752","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}},"customFields":[]},"ModerationData:moderation_data:165753":{"__typename":"ModerationData","id":"moderation_data:165753","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:165753":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:282614"},"id":"message:165753","revisionNum":1,"uid":165753,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:TechnicalForum"},"parent":{"__ref":"ForumTopicMessage:message:165743"},"conversation":{"__ref":"Conversation:conversation:165743"},"subject":"Re: Use of pipe in if statement","moderationData":{"__ref":"ModerationData:moderation_data:165753"},"body":"Took a while, but finally got enough numbers to deem them useful. Here's the stats comparison between the version using switch and moving items to RULE_INIT vs. the original.
\n
\n
\n
SwitchTotalFailAbortMinAvgMax
\n
CLIENT_ACCEPTED800275223684644352
\n
CLIENT _CLOSED40073802001620016
\n
CLIENT_DATA811001482753843901069785
\n
LB_FAILED000000
\n
RULE_INIT000000
\n
SERVER_CLOSED14001116550612240
\n
SERVER_CONNECTED220062822512851138
\n
SERVER_DATA46260041175222773468693
\n
\n
\n
OriginalTotalFailAbortMinAvgMax
\n
CLIENT_ACCEPTED400168291183235199242
\n
CLIENT _CLOSED40058591994419944
\n
CLIENT_DATA68210115632309014830115
\n
LB_FAILED000000
\n
SERVER_CLOSED150099958017920
\n
SERVER_CONNECTED130099542989648987
\n
SERVER_DATA28756044289221750341775
\n
\n
Looks like a HUGE savings in CLIENT_ACCEPTED, as predicted, but CLIENT_DATA and CLIENT _CLOSED appear to have increased a bit. Overall, if you take a summation of everything, there is still an overall savings happening.
\n
\n
I don't know if this is a really great representation, as we were more testing to check the functionality when passing AVP 309, which never seemed to happen in the first place (d'OH!), so I made the best of a fairly busted situation.","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"218","kudosSumWeight":0,"repliesCount":0,"postTime":"2010-08-26T16:06:08.000-07:00","lastPublishTime":"2010-08-26T16:06:08.000-07:00","metrics":{"__typename":"MessageMetrics","views":456},"visibilityScope":"PUBLIC","placeholder":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"entityType":"FORUM_REPLY","eventPath":"category:Forums/community:zihoc95639board:TechnicalForum/message:165743/message:165753","replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[]},"attachments":{"__typename":"AttachmentConnection","edges":[],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}},"customFields":[]},"CachedAsset:text:en_US-components/community/Navbar-1744046271000":{"__typename":"CachedAsset","id":"text:en_US-components/community/Navbar-1744046271000","value":{"community":"Community 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The F5 Certification is excited to announce that all five of the NEW F5 Certified BIG-IP Administrator Certification (F5 CAB) exams are now live and available to schedule via the new Education Services Portal.
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