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From: kurt greaves <k...@instaclustr.com> To: User <user@cassandra.apache.org> Date: 09/19/2017 04:53 PM Subject: RE: Multi-node repair fails after upgrading to 3.0.14 This email originated from outside of the company. Please use discretion if opening attachments or clicking on links. You're right of course. Part of the reason it's changing so frequently is to try and improve repairs so that they at least actually work reliably. C* 3 hasn't been the smoothest ride for repairs. Incremental repairs wasn't really ready for 3.0 so it was a mistake to make it a default. Unfortunately it's hard to change that back now as it will just lead to more confusion and problems for users unaware of the change. On 20 Sep. 2017 00:25, "Durity, Sean R" <sean_r_dur...@homedepot.com> wrote: Required maintenance for a cluster should not be this complicated and should not be changing so often. To me, this is a major flaw in Cassandra. Sean Durity From: Steinmaurer, Thomas [mailto:thomas.steinmau...@dynatrace.com] Sent: Tuesday, September 19, 2017 2:33 AM To: user@cassandra.apache.org Subject: RE: Multi-node repair fails after upgrading to 3.0.14 Hi Kurt, thanks for the link! Honestly, a pity, that in 3.0, we can’t get the simple, reliable and predictable way back to run a full repair for very low data volume CFs being kicked off on all nodes in parallel, without all the magic behind the scene introduced by incremental repairs, even if not used, as anticompaction even with –full has been introduced with 2.2+ J Regards, Thomas From: kurt greaves [mailto:k...@instaclustr.com] Sent: Dienstag, 19. September 2017 06:24 To: User <user@cassandra.apache.org> Subject: Re: Multi-node repair fails after upgrading to 3.0.14 https://issues.apache.org/jira/browse/CASSANDRA-13153 implies full repairs still triggers anti-compaction on non-repaired SSTables (if I'm reading that right), so might need to make sure you don't run multiple repairs at the same time across your nodes (if your using vnodes), otherwise could still end up trying to run anti-compaction on the same SSTable from 2 repairs. Anyone else feel free to jump in and correct me if my interpretation is wrong. On 18 September 2017 at 17:11, Steinmaurer, Thomas < thomas.steinmau...@dynatrace.com> wrote: Jeff, what should be the expected outcome when running with 3.0.14: nodetool repair –full –pr keyspace cfs · Should –full trigger anti-compaction? · Should this be the same operation as nodetool repair –pr keyspace cfs in 2.1? · Should I be able to run this on several nodes in parallel as in 2.1 without troubles, where incremental repair was not the default? Still confused if I’m missing something obvious. Sorry about that. J Thanks, Thomas From: Jeff Jirsa [mailto:jji...@gmail.com] Sent: Montag, 18. September 2017 16:10 To: user@cassandra.apache.org Subject: Re: Multi-node repair fails after upgrading to 3.0.14 Sorry I may be wrong about the cause - didn't see -full Mea culpa, its early here and I'm not awake -- Jeff Jirsa On Sep 18, 2017, at 7:01 AM, Steinmaurer, Thomas < thomas.steinmau...@dynatrace.com> wrote: Hi Jeff, understood. That’s quite a change then coming from 2.1 from an operational POV. Thanks again. Thomas From: Jeff Jirsa [mailto:jji...@gmail.com] Sent: Montag, 18. September 2017 15:56 To: user@cassandra.apache.org Subject: Re: Multi-node repair fails after upgrading to 3.0.14 The command you're running will cause anticompaction and the range borders for all instances at the same time Since only one repair session can anticompact any given sstable, it's almost guaranteed to fail Run it on one instance at a time -- Jeff Jirsa On Sep 18, 2017, at 1:11 AM, Steinmaurer, Thomas < thomas.steinmau...@dynatrace.com> wrote: Hi Alex, I now ran nodetool repair –full –pr keyspace cfs on all nodes in parallel and this may pop up now: 0.176.38.128 (progress: 1%) [2017-09-18 07:59:17,145] Some repair failed [2017-09-18 07:59:17,151] Repair command #3 finished in 0 seconds error: Repair job has failed with the error message: [2017-09-18 07:59:17,145] Some repair failed -- StackTrace -- java.lang.RuntimeException: Repair job has failed with the error message: [2017-09-18 07:59:17,145] Some repair failed at org.apache.cassandra.tools.RepairRunner.progress(RepairRunner.java:115) at org.apache.cassandra.utils.progress.jmx.JMXNotificationProgressListener.handleNotification(JMXNotificationProgressListener.java:77) at com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.dispatchNotification(ClientNotifForwarder.java:583) at com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.doRun(ClientNotifForwarder.java:533) at com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.run(ClientNotifForwarder.java:452) at com.sun.jmx.remote.internal.ClientNotifForwarder$LinearExecutor$1.run(ClientNotifForwarder.java:108) 2017-09-18 07:59:17 repair finished If running the above nodetool call sequentially on all nodes, repair finishes without printing a stack trace. The error message and stack trace isn’t really useful here. Any further ideas/experiences? Thanks, Thomas From: Alexander Dejanovski [mailto:a...@thelastpickle.com] Sent: Freitag, 15. September 2017 11:30 To: user@cassandra.apache.org Subject: Re: Multi-node repair fails after upgrading to 3.0.14 Right, you should indeed add the "--full" flag to perform full repairs, and you can then keep the "-pr" flag. I'd advise to monitor the status of your SSTables as you'll probably end up with a pool of SSTables marked as repaired, and another pool marked as unrepaired which won't be compacted together (hence the suggestion of running subrange repairs). Use sstablemetadata to check on the "Repaired at" value for each. 0 means unrepaired and any other value (a timestamp) means the SSTable has been repaired. I've had behaviors in the past where running "-pr" on the whole cluster would still not mark all SSTables as repaired, but I can't say if that behavior has changed in latest versions. Having separate pools of SStables that cannot be compacted means that you might have tombstones that don't get evicted due to partitions living in both states (repaired/unrepaired). To sum up the recommendations : - Run a full repair with both "--full" and "-pr" and check that SSTables are properly marked as repaired - Use a tight repair schedule to avoid keeping partitions for too long in both repaired and unrepaired state - Switch to subrange repair if you want to fully avoid marking SSTables as repaired (which you don't need anyway since you're not using incremental repairs). If you wish to do this, you'll have to mark back all your sstables to unrepaired, using nodetool sstablerepairedset. Cheers, On Fri, Sep 15, 2017 at 10:27 AM Steinmaurer, Thomas < thomas.steinmau...@dynatrace.com> wrote: Hi Alex, thanks a lot. Somehow missed that incremental repairs are the default now. We have been happy with full repair so far, cause data what we currently manually invoke for being prepared is a small (~1GB or even smaller). So I guess with full repairs across all nodes, we still can stick with the partition range (-pr) option, but with 3.0 we additionally have to provide the –full option, right? Thanks again, Thomas From: Alexander Dejanovski [mailto:a...@thelastpickle.com] Sent: Freitag, 15. September 2017 09:45 To: user@cassandra.apache.org Subject: Re: Multi-node repair fails after upgrading to 3.0.14 Hi Thomas, in 2.1.18, the default repair mode was full repair while since 2.2 it is incremental repair. So running "nodetool repair -pr" since your upgrade to 3.0.14 doesn't trigger the same operation. Incremental repair cannot run on more than one node at a time on a cluster, because you risk to have conflicts with sessions trying to anticompact and run validation compactions on the same SSTables (which will make the validation phase fail, like your logs are showing). Furthermore, you should never use "-pr" with incremental repair because it is useless in that mode, and won't properly perform anticompaction on all nodes. If you were happy with full repairs in 2.1.18, I'd suggest to stick with those in 3.0.14 as well because there are still too many caveats with incremental repairs that should hopefully be fixed in 4.0+. Note that full repair will also trigger anticompaction and mark SSTables as repaired in your release of Cassandra, and only full subrange repairs are the only flavor that will skip anticompaction. You will need some tooling to help with subrange repairs though, and I'd recommend to use Reaper which handles automation for you : http://cassandra-reaper.io/ If you decide to stick with incremental repairs, first perform a rolling restart of your cluster to make sure no repair session still runs, and run "nodetool repair" on a single node at a time. Move on to the next node only when nodetool or the logs show that repair is over (which will include the anticompaction phase). Cheers, On Fri, Sep 15, 2017 at 8:42 AM Steinmaurer, Thomas < thomas.steinmau...@dynatrace.com> wrote: Hello, we are currently in the process of upgrading from 2.1.18 to 3.0.14. After upgrading a few test environments, we start to see some suspicious log entries regarding repair issues. We have a cron job on all nodes basically executing the following repair call on a daily basis: nodetool repair –pr <list of CFs> This gets started on all nodes at the same time. While this has worked with 2.1.18 (at least we haven’t seen anything suspicious in Cassandra log), with 3.0.14 we get something similar like that on all nodes (see below; IP addresses and KS/CF faked). Any pointers are appreciated. Thanks. Thomas INFO [Thread-2941] 2017-09-15 03:00:28,036 RepairSession.java:224 - [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0] new session: will sync /FAKE.33.64, /FAKE.35.153, /FAKE.34.171 on range [(8195393703879512303,8196334842725538685], (8166975326273137878,8182604850967732931], (-7246799942440641887,-7227869626613009045], (-8371707510273823988,-8365977215604569699], (-141862581573028594,-140310864869418908], (3732113975108886193,3743105867152786342], (4998127507903069087,5008922734235607550], (-5115827291264930140,-5111054924035590372], (-2475342271852943287,-2447285553369030332], (-8318606053827235336,-8308721754886697230], (-5208900659917654871,-5202385837264015269], (6618737991399272130,6623100721269775102], (-4650650128572424858,-4650260492494258461], (1886545362164970333,1886646959491599822], (-4511817721998311568,-4507491187192881115], (8114903118676615937,8132992506844206601], (6224957219376301858,6304379125732293904], (-3460547504877234383,-3459262416082517136], (-167838948111369123,-141862581573028594], (481579232521229473,491242114841289497], (4052464144722307684,4059745901618136723], (1659668187498418295,1679582585970705122], (-1118922763210109192,-1093766915505652874], (7504365235878319341,7526188885210185292], (-79866884352549492,-77667207866300333], (8151204058820798561,8154760186218662205], (-1040398370287131739,-1033770179677543189], (3767057277953758442,3783780844370292025], (-6491678058233994892,-6487797181789288329], (-916868210769480248,-907141794196269524], (-9005441616028750657,-9002220258513351832], (8183526518331102304,8186908810225025483], (-5685737903527826627,-5672136154194382932], (4976122621177738811,4987871287137312689], (6051670147160447042,6051686987147911650], (-1161640137086921883,-1159172734746043158], (6895951547735922309,6899152466544114890], (-3357667382515377172,-3356304907368646189], (-5370953856683870319,-5345971445444542485], (3824272999898372667,3829315045986248983], (8132992506844206601,8149858096109302285], (3975126143101303723,3980729378827590597], (-956691623200349709,-946602525018301692], (-82499927325251331,-79866884352549492], (3952144214544622998,3955602392726495936], (8154760186218662205,8157079055586089583], (3840595196718778916,3866458971850198755], (-1066905024007783341,-1055954824488508260], (-7252356975874511782,-7246799942440641887], (-810612946397276081,-792189809286829222], (4964519403172053705,4970446606512414858], (-5380038118840759647,-5370953856683870319], (-3221630728515706463,-3206856875356976885], (-1193448110686154165,-1161640137086921883], (-3356304907368646189,-3346460884208327912], (3466596314109623830,3468144326691723333], (-9050241313548454460,-9005441616028750657], (402227699082311580,407458511300218383]] for XXX.[YYY, ZZZ] INFO [Repair#1:1] 2017-09-15 03:00:28,419 RepairJob.java:172 - [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0] Requesting merkle trees for YYY (to [/FAKE.35.153, /FAKE.34.171, /FAKE.33.64]) INFO [Thread-2941] 2017-09-15 03:00:28,434 RepairSession.java:224 - [repair #075d2720-99c2-11e7-91dc-6132f5fe5fb0] new session: will sync /FAKE.33.64, /FAKE.35.57, /FAKE.34.171 on range [(-5410955131843184047,-5390722609201388849], (-2429793939970389370,-2402273315769352748], (8085575576842594575,8086965740279021106], (-8802193901675845653,-8790472027607832351], (-3900412470120874591,-3892641480459306647], (5455804264750818305,5465037357825542970], (4930767198829659527,4939587074207662799], (8086965740279021106,8087442741329154201], (-8933201045321260661,-8926445549049070674], (-4841328524165418854,-4838895482794593338], (628107265570603622,682509946926464280], (7043245467621414187,7055126022831789025], (624871765540463735,627374995781897409], (9219228482330263660,9221294940422311559], (-2335215188301493066,-2315034243278984017], (-6216599212198827632,-6211460136507414133], (-3276490559558850323,-3273110814046238767], (7204991007334459472,7214826985711309418], (1815809811279373566,1846961604192445001], (8743912118048160970,8751518028513315549], (-9204701745739426439,-9200185935622985719], (7926527126882050773,7941554683778488797], (-1307707180308444994,-1274682085495751899], (8354147540115782875,8358523989614737607], (-5418282332713406631,-5415077779309282099], (2436459402559272117,2441988676982099299], (3718536403335860823,3722612994041485455], (613072756805503750,624871765540463735], (3348338086790700840,3352211222405547568], (7941554683778488797,7949493423692701952], (-319434281654804937,-312029192727845573], (6560852500852746428,6577389024948220270], (3468872066705970665,3469611600245714638], (-4691666557374653357,-4691655196509961176], (1517867403379415135,1524487506534693145], (-7422802504145504981,-7402342710717945820], (1766173970230627147,1798177111825664424], (-4402244320098942276,-4399211415161403124], (-6024004998426219783,-6013031695922198269], (-6930256177103656090,-6926607739769548590], (-3578196517591043633,-3561058036097453011], (-7923695406605667073,-7885733750925254770], (-8063817427378208986,-8061632046535266293], (-7341733690813664665,-7287847431444491429], (-8327456680139422800,-8322944736494135341], (885662136143255295,898069608029365525], (-5555349213881020405,-5555145874347997903], (-4895525453201761515,-4892963646364151947], (4925572085497096406,4926057814710187377], (7785700473508314561,7813617525484553901], (-1598850926292630432,-1593204162764888475], (-2583030464997858536,-2581717714589673598], (7780476570449984013,7785700473508314561], (-3558045406807923433,-3550343462935144866], (7571721681971063633,7578715430118769516], (8865905084309486257,8879414598472867800], (-4984170160639031182,-4973560491294201055], (-5469249030580263062,-5432196900285376733], (-340636581410346966,-324449230085298889], (9120471287581648922,9127588925404102522], (8366987539912250171,8368772126617619299], (-9125573241533654210,-9123870950381500195], (1193377366975272040,1205407211929215537], (8879414598472867800,8900714457425949896], (7055126022831789025,7065799572034111661], (-1588707445511226686,-1539910209795101605], (6990922382177634221,7007948980474566617]] for XXX.[YYY, ZZZ] INFO [Thread-2941] 2017-09-15 03:00:28,778 RepairSession.java:224 - [repair #0791a4a0-99c2-11e7-91dc-6132f5fe5fb0] new session: will sync /FAKE.33.64, /FAKE.35.57, /FAKE.34.90 on range [(-3078252446668567055,-3069777768104388887], (3648099278098819362,3665843214181043507], (5797678959887947223,5820452778888079981], (-2642545928835445644,-2631494184435884123], (-1612062874902452641,-1610692114449831135], (-1707971415501754602,-1692411707392102715], (291977720343160936,302780457185309086], (-8155767539645304082,-8140296327332660530], (5553475010776119070,5565820507856584918], (3560286576304809625,3566372473455883512], (5226123540640728306,5228400303590993685], (3421729237821036215,3428685863718017921], (1227377289103207735,1240348980976161342], (3246531324407742399,3247845316596819400], (5304633131413824443,5306083993155890840], (-8619514398407319973,-8606439320645645548], (5911017071945481872,5912872298340550901], (-5637986723275926091,-5632042588860715397], (-7132684921710202809,-7132365563419969085], (8246342224027692193,8283424185055442516], (-4044458382788374703,-4036186919446747968], (-5613445605139257263,-5596969946550242654], (1083135773045625799,1084813234330856986], (-8140296327332660530,-8138240730730282332], (2996936679493130945,3002752531484603869], (-4490677154018906600,-4487029511866186581], (8456154651893349894,8463606226270547769], (-2656313914110802764,-2642545928835445644], (7193156006022031982,7197068598281426786], (8318481021259042556,8345872746994439720], (-1692411707392102715,-1673006435564531865], (1097191643473406518,1104630053604629743], (-3613177001569108681,-3599878627600515791], (-1662308889719802294,-1656482847672279831], (-6811080679276087557,-6804940650782637386], (7392275851743093948,7393304112887579707], (4240513765329086484,4257716503015670881], (-5036265422304136579,-5029426061972234042], (-4230577892781670592,-4228053239714848467], (-8159151100170546488,-8155767539645304082], (-5492523660879132140,-5478464594772026508], (3421125671176312710,3421729237821036215], (5262611881402902860,5275876653180871852], (1577722798587790899,1613215617842269344], (6666156845317387896,6676801654642938276], (5155814764198615180,5168412530555049843], (-6824229014637940118,-6819748162411093540], (-3666684985038092211,-3613177001569108681], (-8874623295866980549,-8872063750661463000], (-3599878627600515791,-3599733923716673512], (-5960723066215554398,-5949787783010678970], (258158907638948329,259127284829404565], (6661762711488840391,6666156845317387896], (-6367100347601878936,-6363911697345955296], (-6250542414915159381,-6229550501272299394], (-6917261891898915460,-6904807338337882298], (-7449919126757571330,-7438527202807402113], (-6904807338337882298,-6881332882762615208], (-7942161058117423218,-7938222136384107977], (781504901963705642,791302021433124535], (6527741860207715339,6537050054260012793], (7186200312153798494,7187207897161667549]] for XXX.[YYY, ZZZ] INFO [Thread-2941] 2017-09-15 03:00:28,942 RepairSession.java:224 - [repair #07aaaae0-99c2-11e7-91dc-6132f5fe5fb0] new session: will sync /FAKE.33.64, /FAKE.35.153, /FAKE.34.90 on range [(3075097238958732453,3095612227388458535], (-3791204388712221856,-3785200705970537637], (8410714452405602873,8417924634749091961], (5114137550939144346,5121098642749542165], (2740032807677652551,2746972622905345611], (2197312222134575375,2220347677927119914], (4864988928009437565,4869276508135102594], (-3451050463660365008,-3450091362870187260], (7424782039380072835,7472858232992173041], (-5338516343760774634,-5325637469358550877], (2731359217194343571,2734544646630861913], (382200642783712616,390184326306122373], (430251086609083397,431821763463501369], (-5338895526845396808,-5338516343760774634], (-2677272836643942252,-2671813555202977248], (-2132202487362637132,-2128425620095084071], (2165546227633605752,2174360971273026818], (2763720958753148061,2764848409944217454], (3538741049060169597,3547917038270802802], (-6741608677619654195,-6731111079555719429], (2764848409944217454,2779298419000989854], (374883901669627753,382200642783712616], (-2706148319144852162,-2694312255222799319], (7132646356350938192,7136352706932176819], (194821142331236531,228318513249291325], (-2047674613927860008,-2032759017860426681], (-2032759017860426681,-2011077831196488705], (7472858232992173041,7477981949405760270], (431821763463501369,449911816694531926], (4347942912351042626,4349624658068191606], (311672118330363382,320380777495445406], (3099877433733294763,3112419968835610433], (-7182182373680571317,-7177421545891675761], (-6742074278675667310,-6741608677619654195], (-2770159943814078393,-2757633164368231752], (3095612227388458535,3099877433733294763], (-3741816028443553809,-3741630281022069399], (-738951315633674297,-727109613092919188], (4851195187346961355,4864988928009437565], (-769229207399684543,-744901822064683937], (-4143548408671617625,-4141029975015318194], (-7957562451432593113,-7952882742232241654], (-511680378144663402,-494227476671052554], (-832115128813031544,-819699210830328959], (6784361874104123161,6792435444931864417], (-8284973647739186524,-8256379601422884439], (-5321596150219749918,-5309942391653520721], (4723799060589319973,4734570102349898748], (5077208816402461873,5091797538025862046], (7487792874019513006,7489186250794409815], (-1647123563569159073,-1620470309759457440], (2779298419000989854,2784870878309140225], (320380777495445406,344020839234233467], (3112419968835610433,3119057615014897057], (-8506504972343997648,-8502433630545238869], (-2810980092222625726,-2810271001960433176], (344020839234233467,347093216302465566], (-8545779729891984163,-8519832061775919840], (2633165392330429557,2680549740474631393], (6391794517057168460,6431615673158447973], (6440766036098716417,6458083094779720657], (-8735147357564473077,-8730522574908969951], (7484355688408489651,7487792874019513006], (4325444310827485194,4347942912351042626], (2220347677927119914,2223568835084606157], (6802149418704156481,6819713717509862346], (4827439895247379322,4851195187346961355], (-4016529712384875309,-4009393333251988044], (2018021481024026660,2049270980733207626]] for XXX.[YYY, ZZZ] ERROR [ValidationExecutor:3] 2017-09-15 03:00:29,471 ActiveRepairService.java:554 - Cannot start multiple repair sessions over the same sstables ERROR [ValidationExecutor:3] 2017-09-15 03:00:29,471 Validator.java:268 - Failed creating a merkle tree for [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0 on XXX/YYY, [(8195393703879512303,8196334842725538685], (8166975326273137878,8182604850967732931], (-7246799942440641887,-7227869626613009045], (-8371707510273823988,-8365977215604569699], (-141862581573028594,-140310864869418908], (3732113975108886193,3743105867152786342], (4998127507903069087,5008922734235607550], (-5115827291264930140,-5111054924035590372], (-2475342271852943287,-2447285553369030332], (-8318606053827235336,-8308721754886697230], (-5208900659917654871,-5202385837264015269], (6618737991399272130,6623100721269775102], (-4650650128572424858,-4650260492494258461], (1886545362164970333,1886646959491599822], (-4511817721998311568,-4507491187192881115], (8114903118676615937,8132992506844206601], (6224957219376301858,6304379125732293904], (-3460547504877234383,-3459262416082517136], (-167838948111369123,-141862581573028594], (481579232521229473,491242114841289497], (4052464144722307684,4059745901618136723], (1659668187498418295,1679582585970705122], (-1118922763210109192,-1093766915505652874], (7504365235878319341,7526188885210185292], (-79866884352549492,-77667207866300333], (8151204058820798561,8154760186218662205], (-1040398370287131739,-1033770179677543189], (3767057277953758442,3783780844370292025], (-6491678058233994892,-6487797181789288329], (-916868210769480248,-907141794196269524], (-9005441616028750657,-9002220258513351832], (8183526518331102304,8186908810225025483], (-5685737903527826627,-5672136154194382932], (4976122621177738811,4987871287137312689], (6051670147160447042,6051686987147911650], (-1161640137086921883,-1159172734746043158], (6895951547735922309,6899152466544114890], (-3357667382515377172,-3356304907368646189], (-5370953856683870319,-5345971445444542485], (3824272999898372667,3829315045986248983], (8132992506844206601,8149858096109302285], (3975126143101303723,3980729378827590597], (-956691623200349709,-946602525018301692], (-82499927325251331,-79866884352549492], (3952144214544622998,3955602392726495936], (8154760186218662205,8157079055586089583], (3840595196718778916,3866458971850198755], (-1066905024007783341,-1055954824488508260], (-7252356975874511782,-7246799942440641887], (-810612946397276081,-792189809286829222], (4964519403172053705,4970446606512414858], (-5380038118840759647,-5370953856683870319], (-3221630728515706463,-3206856875356976885], (-1193448110686154165,-1161640137086921883], (-3356304907368646189,-3346460884208327912], (3466596314109623830,3468144326691723333], (-9050241313548454460,-9005441616028750657], (402227699082311580,407458511300218383]]], /FAKE.33.64 (see log for details) INFO [AntiEntropyStage:1] 2017-09-15 03:00:29,473 RepairSession.java:176 - [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0] Received merkle tree for YYY from /FAKE.33.64 ERROR [Repair#1:1] 2017-09-15 03:00:29,492 CassandraDaemon.java:207 - Exception in thread Thread[Repair#1:1,5,RMI Runtime] com.google.common.util.concurrent.UncheckedExecutionException: org.apache.cassandra.exceptions.RepairException: [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0 on XXX/YYY, [(8195393703879512303,8196334842725538685], (8166975326273137878,8182604850967732931], (-7246799942440641887,-7227869626613009045], (-8371707510273823988,-8365977215604569699], (-141862581573028594,-140310864869418908], (3732113975108886193,3743105867152786342], (4998127507903069087,5008922734235607550], (-5115827291264930140,-5111054924035590372], (-2475342271852943287,-2447285553369030332], (-8318606053827235336,-8308721754886697230], (-5208900659917654871,-5202385837264015269], (6618737991399272130,6623100721269775102], (-4650650128572424858,-4650260492494258461], (1886545362164970333,1886646959491599822], (-4511817721998311568,-4507491187192881115], (8114903118676615937,8132992506844206601], (6224957219376301858,6304379125732293904], (-3460547504877234383,-3459262416082517136], (-167838948111369123,-141862581573028594], (481579232521229473,491242114841289497], (4052464144722307684,4059745901618136723], (1659668187498418295,1679582585970705122], (-1118922763210109192,-1093766915505652874], (7504365235878319341,7526188885210185292], (-79866884352549492,-77667207866300333], (8151204058820798561,8154760186218662205], (-1040398370287131739,-1033770179677543189], (3767057277953758442,3783780844370292025], (-6491678058233994892,-6487797181789288329], (-916868210769480248,-907141794196269524], (-9005441616028750657,-9002220258513351832], (8183526518331102304,8186908810225025483], (-5685737903527826627,-5672136154194382932], (4976122621177738811,4987871287137312689], (6051670147160447042,6051686987147911650], (-1161640137086921883,-1159172734746043158], (6895951547735922309,6899152466544114890], (-3357667382515377172,-3356304907368646189], (-5370953856683870319,-5345971445444542485], (3824272999898372667,3829315045986248983], (8132992506844206601,8149858096109302285], (3975126143101303723,3980729378827590597], (-956691623200349709,-946602525018301692], (-82499927325251331,-79866884352549492], (3952144214544622998,3955602392726495936], (8154760186218662205,8157079055586089583], (3840595196718778916,3866458971850198755], (-1066905024007783341,-1055954824488508260], (-7252356975874511782,-7246799942440641887], (-810612946397276081,-792189809286829222], (4964519403172053705,4970446606512414858], (-5380038118840759647,-5370953856683870319], (-3221630728515706463,-3206856875356976885], (-1193448110686154165,-1161640137086921883], (-3356304907368646189,-3346460884208327912], (3466596314109623830,3468144326691723333], (-9050241313548454460,-9005441616028750657], (402227699082311580,407458511300218383]]] Validation failed in /FAKE.33.64 at com.google.common.util.concurrent.Futures.wrapAndThrowUnchecked(Futures.java:1525) ~[guava-18.0.jar:na] at com.google.common.util.concurrent.Futures.getUnchecked(Futures.java:1511) ~[guava-18.0.jar:na] at org.apache.cassandra.repair.RepairJob.run(RepairJob.java:160) ~[apache-cassandra-3.0.14.jar:3.0.14] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_102] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_102] at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:79) ~[apache-cassandra-3.0.14.jar:3.0.14] at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_102] Caused by: org.apache.cassandra.exceptions.RepairException: [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0 on XXX/YYY, [(8195393703879512303,8196334842725538685], (8166975326273137878,8182604850967732931], (-7246799942440641887,-7227869626613009045], (-8371707510273823988,-8365977215604569699], (-141862581573028594,-140310864869418908], (3732113975108886193,3743105867152786342], (4998127507903069087,5008922734235607550], (-5115827291264930140,-5111054924035590372], (-2475342271852943287,-2447285553369030332], (-8318606053827235336,-8308721754886697230], (-5208900659917654871,-5202385837264015269], (6618737991399272130,6623100721269775102], (-4650650128572424858,-4650260492494258461], (1886545362164970333,1886646959491599822], (-4511817721998311568,-4507491187192881115], (8114903118676615937,8132992506844206601], (6224957219376301858,6304379125732293904], (-3460547504877234383,-3459262416082517136], (-167838948111369123,-141862581573028594], (481579232521229473,491242114841289497], (4052464144722307684,4059745901618136723], (1659668187498418295,1679582585970705122], (-1118922763210109192,-1093766915505652874], (7504365235878319341,7526188885210185292], (-79866884352549492,-77667207866300333], (8151204058820798561,8154760186218662205], (-1040398370287131739,-1033770179677543189], (3767057277953758442,3783780844370292025], (-6491678058233994892,-6487797181789288329], (-916868210769480248,-907141794196269524], (-9005441616028750657,-9002220258513351832], (8183526518331102304,8186908810225025483], (-5685737903527826627,-5672136154194382932], (4976122621177738811,4987871287137312689], (6051670147160447042,6051686987147911650], (-1161640137086921883,-1159172734746043158], (6895951547735922309,6899152466544114890], (-3357667382515377172,-3356304907368646189], (-5370953856683870319,-5345971445444542485], (3824272999898372667,3829315045986248983], (8132992506844206601,8149858096109302285], (3975126143101303723,3980729378827590597], (-956691623200349709,-946602525018301692], (-82499927325251331,-79866884352549492], (3952144214544622998,3955602392726495936], (8154760186218662205,8157079055586089583], (3840595196718778916,3866458971850198755], (-1066905024007783341,-1055954824488508260], (-7252356975874511782,-7246799942440641887], (-810612946397276081,-792189809286829222], (4964519403172053705,4970446606512414858], (-5380038118840759647,-5370953856683870319], (-3221630728515706463,-3206856875356976885], (-1193448110686154165,-1161640137086921883], (-3356304907368646189,-3346460884208327912], (3466596314109623830,3468144326691723333], (-9050241313548454460,-9005441616028750657], (402227699082311580,407458511300218383]]] Validation failed in /FAKE.33.64 at org.apache.cassandra.repair.ValidationTask.treesReceived(ValidationTask.java:68) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.repair.RepairSession.validationComplete(RepairSession.java:178) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.service.ActiveRepairService.handleMessage(ActiveRepairService.java:486) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.repair.RepairMessageVerbHandler.doVerb(RepairMessageVerbHandler.java:164) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.net .MessageDeliveryTask.run(MessageDeliveryTask.java:67) ~[apache-cassandra-3.0.14.jar:3.0.14] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_102] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_102] ... 4 common frames omitted WARN [RepairJobTask:2] 2017-09-15 03:00:29,493 RepairJob.java:153 - [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0] YYY sync failed ERROR [RepairJobTask:2] 2017-09-15 03:00:29,498 RepairSession.java:277 - [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0] Session completed with the following error org.apache.cassandra.exceptions.RepairException: [repair #071f81e0-99c2-11e7-91dc-6132f5fe5fb0 on XXX/YYY, [(8195393703879512303,8196334842725538685], (8166975326273137878,8182604850967732931], (-7246799942440641887,-7227869626613009045], (-8371707510273823988,-8365977215604569699], (-141862581573028594,-140310864869418908], (3732113975108886193,3743105867152786342], (4998127507903069087,5008922734235607550], (-5115827291264930140,-5111054924035590372], (-2475342271852943287,-2447285553369030332], (-8318606053827235336,-8308721754886697230], (-5208900659917654871,-5202385837264015269], (6618737991399272130,6623100721269775102], (-4650650128572424858,-4650260492494258461], (1886545362164970333,1886646959491599822], (-4511817721998311568,-4507491187192881115], (8114903118676615937,8132992506844206601], (6224957219376301858,6304379125732293904], (-3460547504877234383,-3459262416082517136], (-167838948111369123,-141862581573028594], (481579232521229473,491242114841289497], (4052464144722307684,4059745901618136723], (1659668187498418295,1679582585970705122], (-1118922763210109192,-1093766915505652874], (7504365235878319341,7526188885210185292], (-79866884352549492,-77667207866300333], (8151204058820798561,8154760186218662205], (-1040398370287131739,-1033770179677543189], (3767057277953758442,3783780844370292025], (-6491678058233994892,-6487797181789288329], (-916868210769480248,-907141794196269524], (-9005441616028750657,-9002220258513351832], (8183526518331102304,8186908810225025483], (-5685737903527826627,-5672136154194382932], (4976122621177738811,4987871287137312689], (6051670147160447042,6051686987147911650], (-1161640137086921883,-1159172734746043158], (6895951547735922309,6899152466544114890], (-3357667382515377172,-3356304907368646189], (-5370953856683870319,-5345971445444542485], (3824272999898372667,3829315045986248983], (8132992506844206601,8149858096109302285], (3975126143101303723,3980729378827590597], (-956691623200349709,-946602525018301692], (-82499927325251331,-79866884352549492], (3952144214544622998,3955602392726495936], (8154760186218662205,8157079055586089583], (3840595196718778916,3866458971850198755], (-1066905024007783341,-1055954824488508260], (-7252356975874511782,-7246799942440641887], (-810612946397276081,-792189809286829222], (4964519403172053705,4970446606512414858], (-5380038118840759647,-5370953856683870319], (-3221630728515706463,-3206856875356976885], (-1193448110686154165,-1161640137086921883], (-3356304907368646189,-3346460884208327912], (3466596314109623830,3468144326691723333], (-9050241313548454460,-9005441616028750657], (402227699082311580,407458511300218383]]] Validation failed in /FAKE.33.64 at org.apache.cassandra.repair.ValidationTask.treesReceived(ValidationTask.java:68) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.repair.RepairSession.validationComplete(RepairSession.java:178) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.service.ActiveRepairService.handleMessage(ActiveRepairService.java:486) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.repair.RepairMessageVerbHandler.doVerb(RepairMessageVerbHandler.java:164) ~[apache-cassandra-3.0.14.jar:3.0.14] at org.apache.cassandra.net .MessageDeliveryTask.run(MessageDeliveryTask.java:67) ~[apache-cassandra-3.0.14.jar:3.0.14] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_102] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_102] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102] at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:79) [apache-cassandra-3.0.14.jar:3.0.14] at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_102] The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it. Dynatrace Austria GmbH (registration number FN 91482h) is a company registered in Linz whose registered office is at 4040 Linz, Austria, Freistädterstraße 313 -- ----------------- Alexander Dejanovski France @alexanderdeja Consultant Apache Cassandra Consulting http://www.thelastpickle.com The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it. Dynatrace Austria GmbH (registration number FN 91482h) is a company registered in Linz whose registered office is at 4040 Linz, Austria, Freistädterstraße 313 -- ----------------- Alexander Dejanovski France @alexanderdeja Consultant Apache Cassandra Consulting http://www.thelastpickle.com The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it. Dynatrace Austria GmbH (registration number FN 91482h) is a company registered in Linz whose registered office is at 4040 Linz, Austria, Freistädterstraße 313 The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. 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Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it. Dynatrace Austria GmbH (registration number FN 91482h) is a company registered in Linz whose registered office is at 4040 Linz, Austria, Freistädterstraße 313 The information in this Internet Email is confidential and may be legally privileged. It is intended solely for the addressee. Access to this Email by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. When addressed to our clients any opinions or advice contained in this Email are subject to the terms and conditions expressed in any applicable governing The Home Depot terms of business or client engagement letter. 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