Question

Lot of PEGA0016 alerts are reported in log file with description <*declaratives/declarepages: Attempted to agressively reduce MRU from: 6285 by 4485 to 1800; actually removed 0 entries leaving ~6285>

This is a BRE application, multiple standard agents on two nodes processing claims. The the alert log file on both nodes shows PEGA0016 alert with description "*declaratives/declarepages: Attempted to agressively reduce MRU from: 6285 by 4485 to 1800; actually removed 0 entries leaving ~6285."

Assuming 70+ K claims are being processed by these two nodes, these alerts are reported for more than 20+K times.

With every PEGA0016 alert, the common factor in the description is that, it s trying to reduce the MRU to 1800.

Nowhere either in config or DSS the max no for "fua/global/instanceCountLimit"  is set as 1800.

2016-04-20 22:30:19,620 [   PegaRULES-Batch-26] (eclarativePageInstanceContainerImpl) ALERT   - 2016-04-21 02:30:19,619 GMT*8*PEGA0016*6285*6285*0e05ba708d4acd10422e6270599d79b5*NA*NA*B2B08C5690CF0D7CA07E5E4DCC063E06E*System*AGP-CS-Claims-CIRT-Work*CIRT:01.01.01*2e2fa9c1fe552648e974bdb704ed50c0*N*2920*B2B08C5690CF0D7CA07E5E4DCC063E06E*1991*PegaRULES-Batch-26*STANDARD*com.pega.pegarules.data.internal.clipboard.DeclarativePageInstanceContainerImpl*NA*System-Queue-DefaultEntry-CIRT.ProcessClaimIntake0*Rule-Obj-Activity:EstablishContext*@BASECLASS PXCALLOBJOPEN #20150327T062927.506 GMT Step: 2 Circum: 0******pxTotalReqTime=23,190.66;pxOtherBrowseFilterCnt=10;pxListWithUnfilteredStreamCount=2,920;pxDeclarativeNtwksBuildHLElapsed=17.08;pxListRowWithUnfilteredStreamCount=2,920;pxCommitCount=2,913;pxDeclarativeRulesInvokedElapsed=224.75;pxRunStreamCount=8,286;pxCommitRowCount=287,661;pxDeclarativeNtwksBuildConstElapsed=16.96;pxDeclExprCtxFreeUseCount=58,370;pxListWithoutStreamCount=2;pxRuleIOElapsed=16.69;pxOtherIOCount=383,349;pxRDBIOCount=54,850;pxDBInputBytes=199,215,219;pxTotalReqCPU=4,695.69;pxProceduralRuleReadCount=14;pxListRowWithoutStreamCount=10;pxOtherCount=39,604;pxActivityCount=987,872;pxRunWhenCount=976,185;pxRDBRowWithoutStreamCount=30,274;pxDeclarativeRulesLookupCount=430;pxDBOutputBytes=963,806,399;pxIndexCount=187,979;pxInteractions=2,920;pxFlowCount=484,684;pxOtherBrowseFilterElapsed=0.00;pxAlertCount=1,107;pxRulesUsed=9,937,432;pxOtherIOElapsed=7,568.54;pxCommitElapsed=1,860.25;pxRulesExecuted=2,695,298;pxDeclarativeRulesInvokedCount=565,855;pxTrackedPropertyChangesCount=1,749,678;pxRuleCount=523,724;pxDeclarativeRulesLookupElapsed=0.03;pxOtherBrowseElapsed=23.15;pxRunOtherRuleCount=2,920;pxRunModelCount=47,353;pxDBOpExceedingThresholdCount=288;pxOtherFromCacheCount=534,886;pxRDBWithoutStreamCount=18,653;pxRDBIOElapsed=4,585.88;pxRuleFromCacheCount=523,713;*AGP-CS-Claims-CIRT-Work*pyWorkPage*AGP-CS-Claims-CIRT-Work*pyWorkPage*doActivity Rule-Obj-Flow;doActivity Rule-Obj-Flow;doActivity Rule-Obj-Flow;doActivity Rule-Obj-Flow;doActivity Rule-Obj-Flow;7 additional frames in stack;*ReferencePageName=pyWorkPage;DecisionTableStatus=;flowType=MemberSelection;ReferenceInsKey=AGP-CS-CLAIMS-CIRT-WORK CLM-30788112;pyParentFlowPath=SubProcess1/SubProcess1/SubProcess1;pyStatus=success;pyTopLevelFlow=StartValidations;pyStageID=;ID=;pyDraftMode=false;ExpressionStatus=;StepSLA=;flowName=MemberSelectionForMedicaid;pyDeferCommit=false;pyStageLabel=;OutputPageClass=;pyTempPlaceHolder=TempPlaceHolder;InterestPageClass=AGP-CS-Claims-CIRT-Work;FlowHasEnded=N;OutputPageName=pyOutput;TimeFlowStarted=20160421T023019.664 GMT;Note=;InterestPage=;ReferenceClass=AGP-CS-Claims-CIRT-Work;TaskName=SubProcess1;ReferenceInsName=CLM-30788112;pyDeferErrors=false;Index=;IsInvestigative=false;pxObjClass=;*declaratives/declarepages: Attempted to agressively reduce MRU from: 6285 by 4485 to 1800; actually removed 0 entries leaving ~6285.*

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April 26, 2016 - 11:01am

Hi Sachin,

I found this article on PDN. Do let us know if it helps.

https://pdn.pega.com/understanding-pega0016-alert-cache-reduced-target-size

Regards,

Lochan

May 3, 2016 - 11:34am
Response to LochanaDurgadavijayakumar

Thanks Lochan. Is this article valid for Pega 7.1.8? It seems that it was created for Pega 5.4.

May 3, 2016 - 11:45am
Response to SachinAsh

Hi Sachin,

I'm guessing that it is valid because I found this article on Pega 7.1.7 which also refers to the same page: https://pdn.pega.com/how-pega-7-manages-data-pages

Was the information in the article not helpful?

Lets also wait for the other members to weigh in once you confirm!

Regards,

Lochan

Pega
May 3, 2016 - 12:01pm
Response to LochanaDurgadavijayakumar

Hi Sachin,

Can you share the alert logs here?

Thanks,

Habeeb Baig

May 3, 2016 - 2:03pm
Response to HabeebBaig

Attached is the alert log.