High CPU caused by Multicast on 6500
Hello - could anyone please assist?
I'm see constant(often daily) alerts that indicate high CPU on one of our Cisco Cat 6500 core switches.
The PIDs refered to are:
276 - IP Input
560 - PIM Process
Combined, these 2 processes take the CPU over 85%, most often hitting 99%.
The core switch is also the Rendevous Point for the LAN.
Many thanks
Lee
Hi Lee,
You say this is a core router, but as people use this terms to mean different things, are there any directly connected hosts? If there are one thing to check for is hosts sending multicast traffic with TTL=1. If you run the command show ip traffic | in bad hop and look at the rate the "bad hop count" is increasing. If I had a £ for every time I've seen that problem.... I couldn't retire just yet, but at least I could go buy myself a beer or two.
If you're seeing the hop count increasing at a rapid rate there are a couple of options:
Take a read of Troubleshooting high CPU on a 6500 with sup720 starting from the section Tools used to determine the source of the traffic and identify the hosts sending multicast with TTL=1.
If the Catalyst 6500 use PFC 3B add the command mls rate-limit all ttl-failure 100 10 to drop the multicast traffic in hardware.
The first option will take you longer, but at least you identify the cause and can advise the application owner why they should change their applications behaviour.
Regards
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Thanks in advance for any help.Hi Lee,
You say this is a core router, but as people use this terms to mean different things, are there any directly connected hosts? If there are one thing to check for is hosts sending multicast traffic with TTL=1. If you run the command show ip traffic | in bad hop and look at the rate the "bad hop count" is increasing. If I had a £ for every time I've seen that problem.... I couldn't retire just yet, but at least I could go buy myself a beer or two.
If you're seeing the hop count increasing at a rapid rate there are a couple of options:
Take a read of Troubleshooting high CPU on a 6500 with sup720 starting from the section Tools used to determine the source of the traffic and identify the hosts sending multicast with TTL=1.
If the Catalyst 6500 use PFC 3B add the command mls rate-limit all ttl-failure 100 10 to drop the multicast traffic in hardware.
The first option will take you longer, but at least you identify the cause and can advise the application owner why they should change their applications behaviour.
Regards -
SyncServer constantly using high CPU, causing fans to run
Has anybody found a solution for when the SyncServer process runs wild? I'm running OS X 10.7.1. In the last day or so I've had a problem where I find my laptop's fans are constantly running. Opening Activity Monitor shows the SyncServer process eating a consistent 20-30% of my CPU. I've left it going all day and it never stops.
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If anyone has any insight I'd appreciate it.I resolved a similar situation. I am running OS 10.6.8 and noticed my fan was on constantly. ActivityMonitor showed the syncserver process using about 15-30% of CPU cycles, with iCal showing up suspiciously high on the CPU list. I downloaded syncrospector v4.0 from http://goo.gl/logoG (I got that lead from http://help.jools.me/kb/21) and running that app I could see that iCal was syncing about once per second! A bit more searching took me to http://support.apple.com/kb/TS1627, and there I found the answer.
"If you see the Sync menu in the menu bar, skip to step 4: "
I hadn't noticed the little icon in the menu bar, but there it was with an exclamation mark inside it. Clicking on that I saw a message that there were "conflicts" (about 10, it turned out). I resolved those and the syncserver problem went away.
Now, there is probably an underlying problem, still. Just because there are conflicts between iCal and my iPhone, iCal should not be trying to sync more than once per second. For now, though, I am content. I'm not going to try to figure out what was really going on.
By the way, this all started when my daughter plugged her iPhone (an old one of mine) into my laptop. Evidently the old calendar entries on that phone for some reason conflicted with old entries on iCal. -
Hello,
I'm having almost 60-70% CPU utilization on a 6500 core for almost a day now. However cant seem to figure out what is overwhelming the CPU utlization. show cpu process sorted does not provide much information with top two processes being 'slcp process' - about 2-3% & spanning tree process which goes between 1-2%. The major change in the network was introduction of Nexus 2232 (10G) switches in the DC which are connected to 5K with 20 Gb uplinks to the 6500. Now almost 20 servers are connected to this switch, but none of them are going beyond 1.5 Gb/s.
Any help would be much appreciated.
Thank you.Hi,
Connecting 5ks to 6500 should not cause high CPU. Usually, when 6500s are configured in VSS mode, the CPU runs higher. Also if you are running a modular code, the CPU usually runs higher. Note that most newer IOS verions are not modular more .
Also, have a look at this doc for tips on troubleshooting high CPU.
http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/63992-6k-high-cpu.html
HTH -
Does debug ip OSPF adjacency will cause high CPU
Hello All,
We are finding a OSPF flapping issue on Cisco 3750x switches. To isolate the issue TAC has suggested "debug ip ospf adj"
Does this command will cause high CPU utilization?
There are 12 OSPF neighbours connected to that switch and we have the hello interval of 1 second.
Any of your help would be appreciable.
Regards,
ThiyaguIt may do... But unlikely. There is always a risk with debug commands that have large output. Especially that you have hello intervals set to 1 second. I would advise to do out of hours if necessary to mitigate risks of impacting production.
What version of ios are you on and show the output of 'show proc cpu sorted'
I have had a similar experience and multicast was the problem. It was high CPU and dropping ospf adjacencies. We downgraded to 12.2 55 SE 8
It helped the problem for CPU utilisation but didn't fix it. Since then we are using 6509Es in VSS -
Lightroom Mobile Sync - Extremely High CPU Usage/Sync Process Causes LR To Lag
Since my other thread doesn't seem to be getting any responses, I'm pasting what I've found here. Please keep in mind I am not a beginner with Lightroom and consider myself very familiar with Lightroom's features excluding the new mobile sync.
1st message:
I'm on Lr 5.5 and using the 30 day trial of Adobe CC to try syncing one collection of slight more than 1000 images. Despite already having generated the Smart Previews, I can see my CPU crunching through image after image (the rolling hills pattern in the task manager) while doing the sync. I was assuming, since I already created the Smart Previews, that the sync of this collection would begin immediately and be done by simply uploading all of the existing Smart Previews. The Smart Previews folder of the catalog is 871MB and has stayed the same despite the CPU obviously doing *something*. As it is now, the sync progress is incredibly slow, almost at a pace like it's actually exporting full-res JPGs from the RAW images (as a comparison only, I know this should not be what it's actually doing).
Another side effect of this is that I'm basically unable to use my computer for other tasks due to the high CPU utilization.
Win 7 x64 / Lightroom 5.5
Intel i5 2500k OC'd 4.5GHz
16GB RAM
SSD for OS, separate SSD for working catalog and files
2nd message:
As a follow up, now Lightroom thinks all 1026 photos are synced (as shown in "All Sync Photographs" portion of the Catalog though all images after the 832nd image show the sync icon per image stuck at "Building Previews for Lightroom Mobile" and the status at the top left corner has been stuck at "Syncing 194 photos" for over 12 hours. Is there no option to force another sync via Lightroom Desktop and also force the iOS app to manually refresh (perhaps by pulling down on the collections view, like refreshing via the Mail app)?
3rd message:
One more update, I went into Preferences and deleted all mobile data, which automatically signed me out of Adobe CC and then I signed back in. Please keep in mind the Smart Previews were long generated before even starting the trial, and I also manually generated them again (it ran through quickly since it found they were already generated) many times. Now that I'm re-syncing my collection of 1026 images, I can clearly see Lightroom using the CPU to regenerate the Smart Previews which already exist. I have no idea why it's doing this except that it's making the process of uploading the Smart Previews extremely slow. I hope this time around it will at least sync all 1026 images to the cloud.
4th message:
All 1026 images synced just fine and I could run through my culling workflow on the iPad/iPhone perfectly. Now I'm on a new catalog (my current workflow unfortunately uses one catalog per event) and I see the same problem: Smart Previews already generated but when syncing, Lightroom seems to re-generate them again anyway (or take up a lot of CPU simply to upload the existing Smart Previews). Can anyone else chime in on what their CPU utilization is like during the sync process when Smart Previews are already created?
New information:
Now I'm editing a catalog of images that is synced to Lightroom Mobile and notice that my workflow has gotten even slower between photos (relative to what it was before, this is not a discussion about how fast/slow LR should perform). Obviously Lightroom is syncing the edited settings to the cloud, but I can see my CPU running intensively (all 4 cores) on every image I edit and the CPU utilization graph looks different than before I started using LR mobile sync. It still feels like every change isn't simply syncing an SQLite database change but re-generating a Smart Preview to go with it (I'm not saying this is definitely what's happening, but something is intensively using the CPU that wasn't prior to using LR Mobile).
For example: I only update the tint +5 on an image. I see the CPU spike up to around 30-40%, then falls back down, then back up to 100%, then back down to another smaller spike while Lightroom says "Syncing 1 photo". I've attached a screenshot of my CPU graph when doing this edit on just one image. During this entire time, if I try to move onto edit another image, the program is noticeably slower to respond than it was prior to using LR mobile, due to the fact that there appear to be much more CPU intensive tasks running to sync the previous edit. This is proven by un-syncing the collection and immediately the lag goes away.
I'd be happy to test/try anything you have in mind, because it's my understanding that re-syncing photos that are edited that are already in the cloud should be simply updating the database file rather than require regenerating any Smart Previews or other image data. If indeed that's what it should be doing, then some other portion of LR is causing massive CPU usage. If this continues, I will probably not choose to proceed with a subscription despite the fact that i think LR mobile adds a lot of value and boosts my workflow significantly if it wasn't causing the program to lag so badly in the process.
I know this message was incredibly long and probably tedious to read through so thanks in advance to anyone who gets through it
-JeffThanks for reporting. Just passed along your info to some of our devs. One of the things that needs to be created (beside smart previews) during an initial sync are thumbnails + previews for the LrM app - Guido
Hi Guido,
Thanks for pointing this out. I realized the same thing when I tried syncing a collection for offline mode and found out the required space sounded more like Previews + Smart Previews rather than just the Smart Previews.
greule wrote:
Hi Jeff, are your images particularly large or do you make a lot of changes which you save to the original file as part of your workflow?
The CPU usage is almost certainly from us uploading JPEG previews not the Smart Previews - particularly during develop edits as these force new JPEG previews to be sent from Lightroom desktop, but would not force new Smart Previews (unless the develop edits are modifying the original file making us think the Smart Preview is out of date) to be sent.
Guido
My images are full-resolution ~22mp Canon 5D Mark III RAW files so they're fairly large. Even if I only make one basic change such as exposure changes, I saw the issue. By "save to the original file" I'm assuming metadata changes such as timestamps, otherwise edits to the images aren't actually written to the original file. I'm only doing develop module edits so I shouldn't be touching the original file at all at this point in my workflow.
I think it makes sense now that you mention that new JPEG previews need to be generated and sent to the cloud due to updated develop edits. My concern is that this seems to be done in real-time as opposed to how Lightroom Desktop works (which is to render a new Standard Preview or 1:1 Preview on demand, which means only one is being rendered at any given time while viewing it in Loupe View or possibly 2 in Compare View). If I edit, for example, 10 images quickly in a row, once the sync kicks in a few seconds later, editing the 11th image is severely hindered due to the previous 10 images' JPEG previews being rendered and sync'd to the cloud (I'm assuming the upload portion doesn't take much CPU, but the JPEG render will utilize CPU resources to the fullest if it can). Rendering Standard/1:1 Previews locally and being able to walk away while the process finishes works because it is at the start of my workflow, but having to deal with on-the-fly preview rendering while I'm editing greatly impacts my ability to edit. Perhaps there can be a way to limit max CPU utilization for background sync tasks?
It may help to know that I'm running a dual-monitor setup, with Lightroom on a 27" 2560x1440 display maximized to fit the display (2nd display not running LR's 2nd monitor). Since I'm using a retina iPad, the optimal Standard Previews resolution should be the same at 2880 pixels.
Thanks again for the help! -
Publishing topology causes high CPU times? What?
I have a mixed environment currently with 2 lync 2010 front ends (Production) and 4 lync 2013 front ends (pilot pools).
When I make a change and publish the topology all 6 2010 and 2013 front ends go to 100% CPU time. IIS Worker Process is to blame and issuing "iisreset" on each server fixes it.
Where do I ever begin to diagnose this? No odd network traffic in packet captures, but I know right away when it happens as SCOM starts blowing up on CPU time and Lync conference join errors.Each 60 seconds a task is run to determine if a change has been made to the CMS master and needs to be replicated. If a change was made, all replica need to synchronize with the CMS master. The replication may cause the high CPU usage. You should check the
duration of the High CPU usage. I think once the replication completes, the CPU usage will go down.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. -
I created the following test setting:
CREATE TABLE test_p (
id NUMBER
, rand NUMBER
, id_pad VARCHAR2(100)
, vc_pad VARCHAR2(50)
) NOLOGGING;
INSERT /*+ APPEND */ INTO test_p (
id
, rand
, id_pad
, vc_pad
SELECT rownum
, trunc(dbms_random.value(0,5000))
, rpad(rownum, 100)
, rpad('x', 50)
FROM dual
CONNECT BY LEVEL <= 10000000;
CREATE INDEX idx_p_p1 ON test_p (id);
ALTER TABLE test_p ADD CONSTRAINT pk_p PRIMARY KEY (id) USING INDEX idx_p_p1;Now I executed the following statement on several servers (10.2.0.4; most of the servers Solaris 10)
SELECT count(p.rand)
FROM test_p p;One server showed an execution time of 16sec with 13sec "CPU used by this session" and 10sec "db file scattered read". Several retests showed about the same pattern: high CPU usage though there was a low load on the system (24 CPUs and run queue of around 10). I ran the same test on other systems (with less CPUs if this does matter) - the percentage of CPU time / execution time was muuuuch lower on all other systems.
What can be the cause of the high percentage of CPU time?
- because the CPUs are slower on the system with 24CPUs???
- because there might be swaping / Paging???
- because context switches might be more expensive on systems with more CPUs???Server execution CPU scattered reads
time time time
Server A 16,2862 13,917 10,2995
Server b 57,7479 8,4802 52,9839
Server c 21,2614 3,4114 19,2308
Server d 41,0842 17,6861 35,039
Server e 23,6073 5,8746 15,2809
Server f 46,2391 15,1703 39,9993 -
XML select query causing very high CPU usage.
Hi All,
In our Oracle 10.2.0.4 Two node RAC we are facing very high CPU usage....and all of the top CPU consuming processes are executing this below sql...also these statements are waiting for some gc wiat events as shown below.
SELECT B.PACKET_ID FROM CM_PACKET_ALT_KEY B, CM_ALT_KEY_TYPE C, TABLE(XMLSEQUENCE ( EXTRACT (:B1 , '/AlternateKeys/AlternateKey') )) T
WHERE B.ALT_KEY_TYPE_ID = C.ALT_KEY_TYPE_ID AND C.ALT_KEY_TYPE_NAME = EXTRACTVALUE (VALUE (T), '/AlternateKey/@keyType')
AND B.ALT_KEY_VALUE = EXTRACTVALUE (VALUE (T), '/AlternateKey')
AND NVL (B.CHILD_BROKER_CODE, '6209870F57C254D6E04400306E4A78B0') =
NVL (EXTRACTVALUE (VALUE (T), '/AlternateKey/@broker'), '6209870F57C254D6E04400306E4A78B0')
SQL> select sid,event,state from gv$session where state='WAITING' and event not like '%SQL*Net%';
SID EVENT STATE
66 jobq slave wait WAITING
124 gc buffer busy WAITING
143 gc buffer busy WAITING
147 db file sequential read WAITING
222 Streams AQ: qmn slave idle wait WAITING
266 gc buffer busy WAITING
280 gc buffer busy WAITING
314 gc cr request WAITING
317 gc buffer busy WAITING
392 gc buffer busy WAITING
428 gc buffer busy WAITING
471 gc buffer busy WAITING
518 Streams AQ: waiting for time management or cleanup tasks WAITING
524 Streams AQ: qmn coordinator idle wait WAITING
527 rdbms ipc message WAITING
528 rdbms ipc message WAITING
532 rdbms ipc message WAITING
537 rdbms ipc message WAITING
538 rdbms ipc message WAITING
539 rdbms ipc message WAITING
540 rdbms ipc message WAITING
541 smon timer WAITING
542 rdbms ipc message WAITING
543 rdbms ipc message WAITING
544 rdbms ipc message WAITING
545 rdbms ipc message WAITING
546 rdbms ipc message WAITING
547 gcs remote message WAITING
548 gcs remote message WAITING
549 gcs remote message WAITING
550 gcs remote message WAITING
551 ges remote message WAITING
552 rdbms ipc message WAITING
553 rdbms ipc message WAITING
554 DIAG idle wait WAITING
555 pmon timer WAITING
79 jobq slave wait WAITING
117 gc buffer busy WAITING
163 PX Deq: Execute Reply WAITING
205 db file parallel read WAITING
247 gc current request WAITING
279 jobq slave wait WAITING
319 LNS ASYNC end of log WAITING
343 jobq slave wait WAITING
348 direct path read WAITING
372 db file scattered read WAITING
475 jobq slave wait WAITING
494 gc cr request WAITING
516 Streams AQ: qmn slave idle wait WAITING
518 Streams AQ: waiting for time management or cleanup tasks WAITING
523 Streams AQ: qmn coordinator idle wait WAITING
528 rdbms ipc message WAITING
529 rdbms ipc message WAITING
530 Streams AQ: waiting for messages in the queue WAITING
532 rdbms ipc message WAITING
537 rdbms ipc message WAITING
538 rdbms ipc message WAITING
539 rdbms ipc message WAITING
540 rdbms ipc message WAITING
541 smon timer WAITING
542 rdbms ipc message WAITING
543 rdbms ipc message WAITING
544 rdbms ipc message WAITING
545 rdbms ipc message WAITING
546 rdbms ipc message WAITING
547 gcs remote message WAITING
548 gcs remote message WAITING
549 gcs remote message WAITING
550 gcs remote message WAITING
551 ges remote message WAITING
552 rdbms ipc message WAITING
553 rdbms ipc message WAITING
554 DIAG idle wait WAITING
555 pmon timer WAITINGI am not at all able to understand what this SQL is...i think its related to some XML datatype.
Also not able to generate execution plan for this sql using explain plan- getting error(ORA-00932: inconsistent datatypes: expected - got -)
Please help me in this issue...
How can i generate execution plan?
Does this type of XML based query will cause high GC wiat events and buffer busy wait events?
How can i tune this query?
How can i find that this is the only query causing High CPU usage?
Our servers are having 64 GB RAM and 16 CPU's..
OS is Solaris 5.10 with UDP as protocol for interconnect..
-YasserI found some more xml queries as shown below.
SELECT XMLELEMENT("Resource", XMLATTRIBUTES(RAWTOHEX(RMR.RESOURCE_ID) AS "resourceID", RMO.OWNER_CODE AS "ownerCode", RMR.MIME_TYPE AS "mimeType",RMR.FILE_SIZE AS "fileSize", RMR.RESOURCE_STATUS AS "status"), (SELECT XMLAGG(XMLELEMENT("ResourceLocation", XMLATTRIBUTES(RAWTOHEX(RMRP.REPOSITORY_ID) AS "repositoryID", RAWTOHEX(DIRECTORY_ID) AS "directoryID", RESOURCE_STATE AS "state", RMRO.RETRIEVAL_SEQ AS "sequence"), XMLFOREST(FULL_PATH AS "RemotePath"))ORDER BY RMRO.RETRIEVAL_SEQ) FROM RM_RESOURCE_PATH RMRP, RM_RETRIEVAL_ORDER RMRO, RM_LOCATION RML WHERE RMRP.RESOURCE_ID = RMR.RESOURCE_ID AND RMRP.REPOSITORY_ID = RMRO.REPOSITORY_ID AND RMRO.LOCATION_ID = RML.LOCATION_ID AND RML.LOCATION_CODE = :B2 ) AS "Locations") FROM RM_RESOURCE RMR, RM_OWNER RMO WHERE RMR.OWNER_ID = RMO.OWNER_ID AND RMR.RESOURCE_ID = HEXTORAW(:B1 )
SELECT XMLELEMENT ( "Resources", XMLAGG(XMLELEMENT ( "Resource", XMLATTRIBUTES (B.RESOURCE_ID AS "id"), XMLELEMENT ("ContentType", C.CONTENT_TYPE_CODE), XMLELEMENT ("TextExtractStatus", B.TEXT_EXTRACTED_STATUS), XMLELEMENT ("MimeType", B.MIME_TYPE), XMLELEMENT ("NumberPages", TO_CHAR (B.NUM_PAGES)), XMLELEMENT ("FileSize", TO_CHAR (B.FILE_SIZE)), XMLELEMENT ("Status", B.STATUS), XMLELEMENT ("ContentFormat", D.CONTENT_FORMAT_CODE), G.ALTKEY )) ) FROM CM_PACKET A, CM_RESOURCE B, CM_REF_CONTENT_TYPE C, CM_REF_CONTENT_FORMAT D, ( SELECT XMLELEMENT ( "AlternateKeys", XMLAGG(XMLELEMENT ( "AlternateKey", XMLATTRIBUTES ( H.ALT_KEY_TYPE_NAME AS "keyType", E.CHILD_BROKER_CODE AS "broker", E.VERSION AS "version" ), E.ALT_KEY_VALUE )) ) ALTKEY, E.RESOURCE_ID RES_ID FROM CM_RESOURCE_ALT_KEY E, CM_RESOURCE F, CM_ALT_KEY_TYPE H WHERE E.RESOURCE_ID = F.RESOURCE_ID(+) AND F.PACKET_ID = HEXTORAW (:B1 ) AN
D E.ALT_KEY_TYPE_ID = H.ALT_KEY_TYPE_ID GROUP BY E.RESOURCE_ID) G WHERE A.PACKET_ID = HEXTORAW (:B1
SELECT XMLELEMENT ("Tagging", XMLAGG (GROUPEDCAT)) FROM ( SELECT XMLELEMENT ( "TaggingCategory", XMLATTRIBUTES (CATEGORY1 AS "categoryType"), XMLAGG (LISTVALUES) ) GROUPEDCAT FROM (SELECT EXTRACTVALUE ( VALUE (T), '/TaggingCategory/@categoryType' ) CATEGORY1, XMLCONCAT(EXTRACT ( VALUE (T), '/TaggingCategory/TaggingValue' )) LISTVALUES FROM TABLE(XMLSEQUENCE(EXTRACT ( :B1 , '/Tagging/TaggingCategory' ))) T) GROUP BY CATEGORY1)
SELECT XMLCONCAT ( :B2 , DI_CONTENT_PKG.GET_ENUM_TAGGING_FN (:B1 ) ) FROM DUAL
SELECT XMLCONCAT (:B2 , :B1 ) FROM DUAL
SELECT * FROM EQ_RAW_TAG_ERROR A WHERE TAG_LIST_ID = :B2 AND EXTRACTVALUE (A.RAW_TAG_XML, '/TaggingValues/TaggingValue/Value' ) = :B1 AND A.STATUS = '
NR'
SELECT RAWTOHEX (S.PACKET_ID) AS PACKET_ID, PS.PACKET_STATUS_DESC, S.LAST_UPDATE AS LAST_UPDATE, S.USER_ID, S.USER_COMMENT, MAX (T.ALT_KEY_VALUE) AS ALTKEY, 'Y' AS IS_PACKET FROM EQ_PACKET S, CM_PACKET_ALT_KEY T, CM_REF_PACKET_STATUS PS WHERE S.STATUS_ID = PS.PACKET_STATUS_ID AND S.PACKET_ID = T.PACKET_ID AND NOT EXISTS (SELECT 1 FROM CM_RESOURCE RES WHERE RES.PACKET_ID = S.PACKET_ID AND EXISTS (SELECT 1 FROM CM_REF_CONTENT_FORMAT CF WHERE CF.CONTENT_FORMAT_ID = RES.CONTENT_FORMAT AND CF.CONTENT_FORMAT_CODE = 'I_FILE')) GROUP BY RAWTOHEX (S.PACKET_ID), PS.PACKET_STATUS_DESC, S.LAST_UPDATE, S.USER_ID, S.USER_COMMENT UNION SELECT RAWTOHEX (A.FATAL_ERROR_ID) AS PACKET_ID, C.PACKET_STATUS_DESC, A.OCCURRENCE_DATE AS LAST_UPDATE, '' AS USER_ID, '' AS USER_COMMENT, RAWTOHEX (A.FATAL_ERROR_ID) AS ALTKEY, 'N' AS IS_PACKET FROM EQ_FATAL_ERROR A, EQ_ERROR_MSG B, CM_REF_PACKET_STATUS C, EQ_SEVERITYD WHERE A.PACKET_ID IS NULL AND A.STATUS = 'NR' AND A.ERROR_MSG_ID = B.ERROR_MSG_ID AND B.SEVERITY_I
SELECT /*+ INDEX(e) INDEX(a) INDEX(c)*/ XMLAGG(XMLELEMENT ( "TaggingCategory", XMLATTRIBUTES ( G.TAG_CATEGORY_CODE AS "categoryType" ), XMLELEMENT ("TaggingValue", XMLATTRIBUTES (C.IS_PRIMARY AS "primary", H.ORIGIN_CODE AS "origin"), XMLAGG(XMLELEMENT ( "Value", XMLATTRIBUTES ( F.TAG_LIST_CODE AS "listType" ), E.TAG_VALUE )) ) )) FROM TABLE (CAST (:B1 AS T_TAG_MAP_HIERARCHY_TAB)) A, TABLE (CAST (:B2 AS T_ENUM_TAG_TAB)) C, REM_TAG_VALUE E, REM_TAG_LIST F, REM_TAG_CATEGORY G, CM_ORIGIN H WHERE E.TAG_VALUE_ID = C.TAG_VALUE_ID AND F.TAG_LIST_ID = E.TAG_LIST_ID AND G.TAGGING_CATEGORY_ID = F.TAGGING_CATEGORY_ID AND H.ORIGIN_ID = C.ORIGIN_ID AND C.ENUM_TAG_ID = A.MAPPED_ENUM_TAG_ID GROUP BY C.IS_PRIMARY, H.ORIGIN_CODE, G.TAG_CATEGORY_CODE START WITH A.MAPPED_ENUM_TAG_ID = HEXTORAW (:B3 ) CONNECT BY PRIOR A.MAPPED_ENUM_TAG_ID = A.ENUM_TAG_ID
SELECT /*+ INDEX(e) */ XMLAGG(XMLELEMENT ( "TaggingCategory", XMLATTRIBUTES ( G.TAG_CATEGORY_CODE AS "categoryType" ), XMLELEMENT ( "TaggingValue", XMLATTRIBUTES (C.IS_PRIMARY AS "primary", H.ORIGIN_CODE AS "origin"), XMLAGG(XMLCONCAT ( XMLELEMENT ( "Value", XMLATTRIBUTES ( F.TAG_LIST_CODE AS "listType" ), E.TAG_VALUE ), CASE WHEN LEVEL = 1 THEN :B4 ELSE NULL END )) ) )) FROM TABLE (CAST (:B1 AS T_TAG_MAP_HIERARCHY_TAB)) A, TABLE (CAST (:B2 AS T_ENUM_TAG_TAB)) C, REM_TAG_VALUE E, REM_TAG_LIST F, REM_TAG_CATEGORY G, CM_ORIGIN H WHERE E.TAG_VALUE_ID = C.TAG_VALUE_ID AND F.TAG_LIST_ID = E.TAG_LIST_ID AND G.TAGGING_CATEGORY_ID = F.TAGGING_CATEGORY_ID AND H.ORIGIN_ID = C.ORIGIN_ID AND C.ENUM_TAG_ID = A.MAPPED_ENUM_TAG_ID GROUP BY G.TAG_CATEGORY_CODE, C.IS_PRIMARY, H.ORIGIN_CODE START WITH A.MAPPED_ENUM_TAG_ID = HEXTORAW (:B3 ) CONNECT BY PRIOR A.MAPPED_ENUM_TAG_ID = A.ENUM_TAG_IDBy observing above sql queries i found some hints forcing for index usage..
I think xml schema is created already...and its progressing as you stated above. Please correct if i am wrong.
I found all these sql from AWR report and all of these are very high resource consuming queries.
And i am really sorry if i am irritating you by asking all stupid questions related to xml.
-Yasser
Edited by: YasserRACDBA on Nov 17, 2009 3:39 PM
Did syntax allignment. -
6500 HIGH CPU, Standby HSRP state changes continuously
Hi All,
We are using two 6500 User distribution connected with port channel also WLC is connected on Dist-2 now, these two 6500 are connected with backend core 7609 running ospf in between. Spanning-tree root and Standby Active on Dist-1
Suddenly we are facing High CPU utilization on switches, couldn't able to ping nor login. However I could observe to the following through console.
Switch1 is stable, all the vlans are active, but on standby all the vlans are getting state changes, suspecting there are not getting hello's on time due to which it is going to active and standby.
%HSRP-5-STATECHANGE: Vlan208 Grp 208 state Standby -> Active
%HSRP-5-STATECHANGE: Vlan160 Grp 160 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan115 Grp 115 state Standby -> Active
%HSRP-5-STATECHANGE: Vlan156 Grp 156 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan208 Grp 208 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan209 Grp 209 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan196 Grp 196 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan112 Grp 112 state Speak -> Standby
%HSRP-5-STATECHANGE: Vlan196 Grp 196 state Standby -> Active
Configuration of Wireless VLAN
on both switch
interface Vlan198
ip address 10.X.X.X
ip helper-address
standby 198 ip 10.X.X.X
standby 198 timers 250 msec 750
standby 198 priority 90
standby 198 preempt
end
All the vlans having same timers and preempt on both switches,
we are not tracking any interface, can I remove preempt on secondary switch?
I have captured packets through netdr
Dist-2
interface Vl198, routine mistral_process_rx_packet_inlin, timestamp 23:53:02.823
dbus info: src_vlan 0xC6(198), src_indx 0x2(2), len 0x40(64)
bpdu 0, index_dir 0, flood 1, dont_lrn 0, dest_indx 0x40C6(16582)
F8020400 00C60000 00020000 40080168
S000 E0000560 8E0FFFF8 00000008 40C60000
mistral hdr: req_token 0x0(0), src_index 0x2(2), rx_offset 0x76(118)
requeue 0, obl_pkt 0, vlan 0xC6(198)
destmac FF.FF.FF.FF.FF.FF, srcmac 00.00.0C.07.AC.C6, protocol 0806
layer 3 data: 00010800 06040002 00000C07 ACC60A19 C601FFFF FFFFFFFF
0A19C601 00000000 00000000 00000000 00000000 0000C601
8300A369 00000000 0000FFFF
protocol ip: version 0x04, hlen 0x05, tos 0x00, totlen 48, identifier 0
df 0, mf 0, fo 0, ttl 1, src 10.X.X.X, dst 224.0.0.2
udp src 1985, dst 1985 len 28 checksum 0x53BE
Dist -1
interface Vl198, routine mistral_process_rx_packet_inlin, timestamp 23:48:26.830
dbus info: src_vlan 0xC6(198), src_indx 0x341(833), len 0x42(66)
bpdu 0, index_dir 0, flood 1, dont_lrn 0, dest_indx 0x40C6(16582)
60020401 00C60400 03410400 42080000 00110448 0E087C7C 00000008 40C60000
mistral hdr: req_token 0x0(0), src_index 0x341(833), rx_offset 0x76(118)
requeue 0, obl_pkt 0, vlan 0xC6(198)
destmac 01.00.5E.00.00.02, srcmac 00.00.0C.07.AC.C6, protocol 0800
protocol ip: version 0x04, hlen 0x05, tos 0x00, totlen 48, identifier 0
df 0, mf 0, fo 0, ttl 1, src 10.X.X.X, dst 224.0.0.2
udp src 1985, dst 1985 len 28 checksum 0x53BF
This issue is not continuous, its triggering intermittently sometime with in couple of hours or daysAfter digging I could able to find out
VLAN0195 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 165 last change occurred 00:31:14 ago
from GigabitEthernet6/14
VLAN0196 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 122 last change occurred 00:31:14 ago
from GigabitEthernet6/14
VLAN0197 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 291 last change occurred 00:31:14 ago
from GigabitEthernet6/14
VLAN0198 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 961 last change occurred 00:31:14 ago
from GigabitEthernet6/14
VLAN0199 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 1165 last change occurred 00:31:25 ago
from GigabitEthernet6/14
VLAN0200 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 888 last change occurred 00:31:25 ago
from GigabitEthernet6/14
Port g 6/14 config
interface GigabitEthernet6/14
switchport
switchport trunk encapsulation dot1q
switchport trunk native vlan 200
switchport trunk allowed vlan 195-200
switchport mode trunk
connected to Dist2- WLC
195 Wireless-Voice active
196 GTC-VIDEO active
197 IP_Camera active
198 Wireless-client active
199 Cisco-AP-MGMT active
200 NW-MGMT active
Rest of all vlans
VLAN0110 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 824 last change occurred 00:51:49 ago
from TenGigabitEthernet1/3
VLAN0111 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 680 last change occurred 00:51:49 ago
from TenGigabitEthernet1/3
Also some ports I can root inconsistent on secondary switch configured as root secondary
Ten gig1/3 is connected to floor switch
VLAN0110 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 297 last change occurred 00:37:47 ago
from StackPort1
VLAN0111 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 164 last change occurred 00:37:47 ago
from StackPort1 -
Process Snmp (PDU Dispatcher) causes High CPU value
Hello,
I have a Catalyst Switch 6000. Inoticed that after the execution of the job inventory in LMS, and after the snmp queries reached the equipement, the cpu value reached 98-99 % due to the process : PDU DISPATCHER (what’s it ?)
I have also a script running in the switch to observe the differents logs. For exemple, when high cpu is obtained, the message bellow appear :
« %SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input
« %SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input
« %SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input
Could you give me any idea or help ?
Thanks in advance.This msg is normally generated when to many snmp request overrun the buffer allocated for such requests. There are a number of things that can cause this as well as a number of known issues that can be worked around using snmp views. Without reviewing show logging and other information available in a show tech, hard to say what the best method to resolve this. Should probably open a TAC SR to troubleshoot the issue further...
Sent from Cisco Technical Support iPad App -
Which will cause a higher cpu load, the sampler instrument or the original audio tracks?
I have some piano that I wanted to loop. I had no problem using the convert track to sampler instrument. My question is about CPU performance. Which will cause a higher cpu load, the sampler instrument or the original audio tracks?
Hi Mesaboogiewes,
Welcome to Apple Discussions
Ableton.com recommends disabling Energy Saver, fullscreen mode, and Exposé. I would recommend putting the 1Gb of RAM, you will find a better result. I suggest going to the Ableton.com website and looking for more troubleshooting issues.
I hope that helps,
Jon -
I am also Observing the Same problem of High CPU on 6500.
Please suggest some Investigations
When i ran Debug as defiend by u . i found two problems
•- Many configured ACEs have the “log” command. This means that a copy of the packets will also be sent to the CPU. As you can see below:
ip access-list extended watch110_in
permit ip any host 172.27.192.10 log
permit ip host 172.27.206.2 any log
permit ip host 172.27.206.10 any log
permit ip host 172.27.206.126 any log
•- In the netdr capture that I performed, I could see packets with a source IP of any of the above was also sent to the CPU.
2/ Redirects
•- There are a number of packets which also have the destination index of 0x7F07
Please suggestHello Leo
We have the same issue but our VSS is already upgraded to SXJ6.
Do you think that it could do any difference to upload the right MIBs to LMS?
We are using 4.2.2.
Best regards
Isaac -
Xorg causes extrem high cpu load
Hello,
from time to time xorg causes a extrem high cpu load on my system.
http://imageshack.us/f/38/xorgload.png
After a reboot it should looks like that
http://imageshack.us/f/16/xorgnormal.png/
Is there any possibility the figure out why this happens sometimes?
Thanks for your help!cerbie wrote:And, do I know you from somewhere--a little more Windows-centric--or are there many ElkMonsters, out here?
Hehe, I'm also wondering how many Cerbies are out there...
Really funny. The internet is a small place, obviously. Us meeting in a Linux forum also explains why nobody writes to the LSML anymore. -
Flash causes very high CPU load (including high Xorg load)
Hello everybody,
this is my first message. I'm an Arch user since a few months, and I'm pretty sure this is the distribution I'll stick to - I pratically love everything about it, especially its simpleness. It's the first Linux that doesn't scare me away with tons of configuration files scattered around dozens of different locations. I've already gotten quite a number of things fixed by myself without even looking at the forum or wiki.
Well, it seems most of these statements can be found in most first forum posts, so I'll stop to bore you...
The problem: Playing flash videos or animations causes incredible processor load: Even youtube takes a whole CPU core (or even a little more), top shows around 80% for Xorg and around 20-30% for Firefox (a little less with Opera). I'm on Arch64 with XFCE, Athlon X2 4600+, NVidia 8200 chipset (which has severe driver problems anyway; I'm using the latest NVidia beta driver). I'd try the open source nvidia driver, but (it seems that) there's no support for my chipset yet.
Currently I'm using Adobe's Flash64 alpha, before that I used various versions fo the nspluginwrapper. 32-bit Flash also caused high CPU load, but it wasn't that much and it may have been related to nspluginwrapper rather than anything else; however I have got the impression that things became even worse with the switch to the x64 alpha (performance-wise; on the other hand, it at least loads faster and doesn't crash anymore). Like said before, youtube takes one core, but it mostly works ok then, but videos with higher resolutions that youtube's are practically impossible to watch (except when there is very little movement in the film). Neither Flash hardware acceleration on nor off makes any difference.
I've already read half of the web, searched in forums, wikis, etc., but didn't find anybody with the same problem. When Flash64 was released and people were reporting good improvements, I was hoping it would be the same for me...
What I'm looking for is suggestions of things to try... I'm out of ideas what to try and where to look. It just seems strange that I seem to have problems that others don't...
Thanks for reading and for any comments.cerbie wrote:And, do I know you from somewhere--a little more Windows-centric--or are there many ElkMonsters, out here?
Hehe, I'm also wondering how many Cerbies are out there...
Really funny. The internet is a small place, obviously. Us meeting in a Linux forum also explains why nobody writes to the LSML anymore.
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