(GAT) (PAT) () 8 4 (/) /.. 8. s. (GPAX).. 3. 5 /. GAT PAT. O NET. ( Admissions) &. 6 17 6 17 10 17 Website: prehexfejefne.tk th. It is amazing, considering the length of time this aircraft was in service, that it performed . In time, that book became out of print, depriving this story of the B- 57 from In green letters around rhe border were the words: Trong Mieng Cua Con FAA (Federal Aviation Adm), FAC (Forward Air Controller), 75 , The table is arranged alphabetically by product name. Indicates product is not support by IBM in a given z/VM environment. Provides CUA compliant interface and many enhancements. The Online Books Feature of OfficeVision/ VM became available 5/22/92 (this is read only ADM

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    Tuesday, July 2, UESDAYJULY2 TUESDAY JULY 2 3 SPIES REPORTS READ READHay READHaywoml READllaywood Hay Haywoml wood . Schools 75 - 81 ity before reaching a d^ree, the Compilei is indebted to the Rev. translated the bible; published hymn book, etc, in Cherokee ; bro of J U W b66 prin acad Morrisville ; lawyer adm 58; pr I'hitrtgeld, Vt, ; state's atty A. B., Fort Preble, Me., (th co cua«t art) ; b Proviiice- towD, Mass, 22 Feb. In the background of the seal is Round Hill, a 50 foot hill at the rear of the Public ROSE ANN BOOK SELLER FULTON AVE 5 BOURQUE, HELEN M NURSE S MELISSA A STU 58 HON DAGMAR ADM 58 HON, ERIC ANTHONY ELC 21 03 □ □i i cua kl RET GIARDINA.

    Fis Fis is the E. The regulation of this gene is more complex than most other genes in the E. It regulates its own expression, Fis is one of the most abundant DNA binding proteins in Escherichia coli under nutrient-rich growth conditions. Fis was first discovered for its role in stimulating Gin catalyzed inversion of the G segment of phage Mu genome, Fis was originally identified as the factor for inversion stimulation of the homologous Hin and Gin site-specific DNA recombinases of Salmonella and phage Mu, respectively. Cellular concentrations of Fis vary tremendously under different growth conditions which may have important regulatory implications for the role of Fis in these different reactions. Fis is an important small nucleotide-associated protein which plays a role in affecting the bacterial chromosome structure. It is a protein in Escherichia coli that is abundant during early exponential growth in rich medium but is in short supply during stationary phase. When stationary-phase cells are subcultured into a medium, Fis levels increase from less than to over 50, copies per cell prior to the first cell division. As cells enter exponential growth, nascent synthesis is largely shut off, Fis synthesis transiently increases when exponentially growing cells are shifted to a richer medium. The magnitude of the peak of Fis synthesis appears to reflect the extent of the nutritional upshift, Fis mRNA levels closely resemble the protein expression pattern, suggesting that regulation occurs largely at the transcriptional level.

    HAC difficult to overcome. This simplicity was the secret of its success. It was built to meet certain performance factors in the most practi- cal structural form, thus eliminating complications in unproven design theories for high speed. The wings of the Canberra were not swept back as no advantage would be gained at the maximum speed for which the aircraft was designed to fly. According to 'Teddy' Peller, the technical solution was found to lie primarily in the right choice of wing.

    In addition, great strength could be built into the wing because of its thickness, without being a deterrent to its speed. This symmetrical airfoil section was employed as a means of avoiding violent pitch-changes when the critical Mach number was exceeded, yet without sacrifice of good control characteristics.

    A high altitude performance was the objective for the design of this airplane rather than speed. When measured against the Meteor, which had a practical intercept altitude of 40,OOOft, the design of the Canberra with its low wing loading, was to have the same turning ability at50,OOOft, giving the bomber a drastically superior The Avon RA2 powered prototype Canberra in the air. Tip of rudder has already been trimmed which proved necessary after the first flight.

    Dorsal fin was eliminated on production models. In anticipation of this mark of performance, defensive armament was not considered in the design. As the construction of the first Canberra began in near wartime security at Preston, English Electric acquired the former American aerodrome at nearby Warton, where final assembly and first flights would take place.

    By early May , taxi tests began with Roland Beamont at the controls. Beamont had been with the company for two years after leaving the RAF as a wing commander, and had followed the development of this jet bomber from its beginning.

    Once completed, the Canberra was proven ready for flight with three 10ft high hops during taxi trials that took place on the day before the scheduled first flight. These hops were at Beamont's insistence, for this would confirm the effectiveness of flight controls before being fully committed to the air.

    When the day for the first flight arrived, Petter was overheard to ask Beamont if he 'really wanted to fly today?

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    Beamont responded, however, that 'it was as good as any other day,' and proceeded to take the Canberra off the runway at Warton for its maiden flight which lasted 27 minutes. All that was hoped to be accomplished on that initial flight of England's first jet-bomber was realized. The only uneasiness experienced during the flight was a sharp directional jerk each time rudder pressure was applied.

    Once assured that rudder trim was centered, no further rudder movements were made that might aggravate the situation. Following the flight, Beamont made the following entries in the flight report which serve to illustrate his enthusiasm for the airplane: 'Apart from the rudder condition described, the aircraft handled smoothly and easily.

    All services operated satisfactorily although in the case of tailplane actuation some alterations as to rate may be necessary This accounts for the squared off appearance of the rudder that carried into production models. SAP note nap. Je teba si uvdomit, e pi restartu db serveru se ztrat data z vyrovnvac pamti. Rozvrh layout tablespaces se od 6. K tomu SAP note a kapitola. Od bze 7. Jak je pipojit je uvedeno v SAP note FAQ Upednostuje se pouit nstroje brconnect msto sadba91, zvlt od release 4.

    Po-drobnosti jsou uvedeny v SAP library. Pi kad zmnce o pkazu sapdba je toto mono brt na zetel. Zkladn voln: Pokud nen uve-den profil, pouije se init. Parametr -c force se pouv jen u brspace a br-backup.

    U brconnect a brbackup je teba mt nakonfigurovan soubor init. Jednotliv nstroje maj tyto funkce:. U Oracle 8 meme pout nstroj svrmgrl. Pokud je v tomto textu zmnka o svrmgrl, je mono pout i jakkoliv jin nstroj pro za-dvni SQL pkaz.

    Klvesov zkratka CTRL-h mae znak. Pihlaujeme se jako pslun db uivatel, kter je v ppad UNIXu ve skupin sysdba i sy-soper nebo jako domnov uivatel. Zpsoby pihlen pod systmovm uivatelem ora:.

    Samozejm musme potat s rznmi komplikacemi pi drb databze, protoe se to do-tkne vce instanc aplikanch server a potom pi update systm, zvlt pokud je kad ji-nho release.

    Je teba dle upozornit, e podle m zkuenosti jsou problmy s pouitelnost plnovn ope-rac, sputn tchto a pehled v transakcch DB13, DB Tyto operace by se mli provdt nap. Task manager meme spustit v Run v Start menu pkazem taskmgr. Nebo v svrmgr: Pkaz SQL: Start instance bez namontovn DB: Nebo v svrmgrl: Zastaven DB, ek na odpojeni uivatel: Namontovn DB k instanci: ORAZadv se ve tvaru Hodnoty parametr v SAP note Potom se restartuje DB tzn.

    Pozor na disk svazek s archivnmi logy. Nesm se zaplnit. Mon kontrola je v transakci DB Obecn po kad zmn struktury jako nap. Napklad pkazem: Zlohu kontrolnho souboru zajiuj pslun programy jako nap. Pidn tablefile Pouije se ped a po velkch u db operacch kapitola 3. Neprovd se u systm, kter jsou produktivn. U nich je teba kont-rolovat, zde archivn pedology maj prostor. Je vhodn zastavit aplikan server i kdy pracovn procesy vydr nedostupnost databze ve stavu reconnect, ale nen mon na nm pracovat , protoe se mus restartovat databze.

    Tento postup je doporuovn. Toto je konzervativn een. Lze jej penechat na DBMS pslun databze, pokud to um. Funkce jednotlivch tablespaces je uvedena v SAP note Schma je toto: Zmnu si vydalo hlavn pouit tzv.

    MCOD kapitola 3. Schma se zjednoduuje na: Ale me to nap. Proto se mus smazat index index je mono takto smazat, ale nelze teba smazat tabulku a pomoc SE14 zaloit nov. O tom vce v kapitole Volbou c v menu reorganizace jednotliv tabulky mono objekt pesunout do jinho tablespace. SAP note a kompozitn Zlohovn velk databze viz SAP note a K nstrojm brbackup a brarchive SAP note a chybov hlky Dleit zsada: Pokud ano, viz kapitola 3.

    Pi zlohovni samotnch redo log se nic nerestartuje, je to online zloha. Ve starch verzch se pouv nstroj sapdba. Pokud je databze v nearchivnm modu, tak nelze zlohovat online. Termny a jin provozn detaily jsou uvedeny v provozn pruce.

    Pi offline i online zlohch lze pout nap. Je mono tedy zvtit roll-back segment pidnm tablespace a k nmu piadit pimen velik rollback segment a vypnou ty mal viz Oracle8i Administrator's Guide, kapitola Managing Rollback Segments nebo pes init. Druh monost je pi reorganizaci snit poet commits pkazem sapdba, zatm nevm jak a potom sta men rollback segmenty. ArcServe obnovovat dle sessi-on do pipravenho adrese.

    Arcserve a ve se regulrn ukon Pokud se njak zastav zlohovac procesy, pak se postupuje takto:. Pokud to nepome, pokra-ujeme bodem Chyba: Procesy brbackup nebo brarchive by mly samy skonit. Pokud backint neb, pak brbackup nebo brarchive zabijeme a postupujeme do bodu Chyba: Pokud potebujeme ukonit stav zlo-hovn, pak v sqlplus provedeme pkaz: Vce v SAP note Tento proces skon, ale stav db nezmn.

    Stop all Engines a Start all Engines. Tvo rozhran pro ovldn zlohovn pes rzn zlohovac systmy jako nap. ArcServe i Legato. Pvodn nastaven zloha se mohla vejt na jednu psku: Backup session: Destination group: Overwrite, Retention period: Apend, Retention period: Kdy to nefunguje, mus se zlohovat na dv psky: Automatic Tape Option: Overwri-te, Retention period: Je spolehlivj mt pro zlohovn logu zaloenu zvltn device group na stran zlohovacho zazen.

    O konzistentnosti db SAP note a a een problm v Verifikace by mla probhat po offline zloze, tedy o vkendu. Systm je nejlpe zastavit. Oracle se nech bet. Db se pitom shod: Log je uloen v F: Pouije se tak nstroj dbverify. Pkaz nap.: Problmy vznikaj s tzv. Mlo by se eit dle SAP note Trv vc jak dvakrt dle, verifikuje se obsah soubor.

    Pi verifikaci online se verifikuji pouze velikost soubor. Toto ale nefunguje, pokud se pouv backint. Oracle documentation: Oracle Restory a Recovery 1. Oracle 1. Koncept je uveden v SAP note Poruen bloky: Recovery je obnova transakc ztracench po okamiku zlohy s pouitm online i offline redo log. Ped obnovou je dobr vyhledat podporu od SAPu. Velmi se doporuuje vyzkouet si obnovu a recovery na testovacm systmu. Je dobr mt vechny logy program brbackup a brarchive. Nstroje pro obnovu se li pro verzi Oracle.

    Pro 8. Trace soubory obsahuj hlavn tyto daje: Restore and Recovery [SAPs]. Rzn typy chyb vyaduj odlin postupy recovery a tm i pouit vhodnjho nstroje. Nstroj svrmgrl i novji sqlplus je pouiteln na vechny chyby. Chyby uivatelTato chyba nastane, pokud uivatel smae nebo njak znehodnot data. Proto se mus provzt recovery cel DB do uritho okamiku Database Point-In-Time Re-covery dle rznch scn, kter se hlavn li tm, jestli mezi okamikem chyby a jejho odhalen dolo ke zmn struktury db reorganizaci a podle typu zlohy pln inkre-mentln , kter se pouije k restore.

    Chyby pi provdn databzovch pkazTato chyba nastane pi provdn pkazu v programu. DB zastav provdn takovho pka-zu, nahls chybu,provede rollback, vytvo ABAP krtk dump a obyejn nape zprvu do systmovho logu. Nen teba zasahovat do recevery procesu po chyb. DB instance nen dotena. Pro-ces monitor PMON odpovd za zruen zmn v databzi proveden peruenou transakc uvoln zdroje, kter pouval proces.

    Prce v DB systmu pokrauje dl. Nen teba za-sahovat do recevery procesu po chyb. Stv se pi hardware problmech nap. DB nelze zastavit pkazy jako shutdown normal a shutdown immediate. Pokud DB vbec njak b, zastavme ji pkazem shutdown abort. Potom se provede automaticky recovery pomoc archivnch redolog nebo online redolog crash recovery nebo instance recovery u Oracle Real Applications Cluster. Systm monitor SMON provede recovery po restartu pkazem startup instance, kter se provede po peliv analze pin.

    Po restartu se pro jistotu zkontroluje DB. Pkazem svrmgrl: Je uveden problm. Provedeme vlastn recovery DB pkazem recover database. Potom provedeme verifikace DB pkazem brbackup Pokud nedopadne dobe musme eit dl nap. Obnova je potom nemon nebo velmi obtn. Pokud verifikace probhla v podku, nastartujeme aplikan server, zkontrolujeme v ST04 a SM37 a oznmme uivatelm, e se mohou pihlsit do systmu.

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    Chyby mdiTato chyba nastane pokud se objevuje chyba pi ten a zpisu do databzovho souboru zp-soben fyzickou chybou na diskovm zazen. Nejastji se jedn o head crash. Zvltn ppady nastvaj, kdy vechny kopie redolog jsou ztraceny nebo byla provedena zloha bezprostedn ped chybou nap. Potom je teba provst reset cel databze Whole Database Reset do stavu posledn zlohy offline nebo konzistentn online.

    Pokud se ztrat databzov systm vetn zlohovacch profil a logu, mus se provst re-covery jak je to mon. Jedn se o Disaster Recovery. Oracle jet umouje tzv. P ztrt i porueni jednoho nebo nkolika datafile meme postupovat nap. Pihlsme se jako dba teba uivatel system do sqlpus. Podle SCN zlohy a redologu zjistme nap. Provedeme kontrolu v DB12, pokud je systm dostupn. Vypneme datafiles pkazem: Nakoprujeme verifikovan pkazem dbvzlon soubory tam kam potebujeme: Postupuje se podle chybjcch soubor databze.

    Tato tabulka se pouije v ppad pouit nstroje brrestore. Vce soubor najednou nap. Kontroln soubory Zkopruje se jeden ze zrcadlench kontrolnch soubor pokud jeJinak se provede obnova dle 3. Online redology Zkopruje se jeden ze zrcadlench pokud je.

    Pi ztrt noncurrent group a databze nebyla ist zavena je. Pi ztrt noncurrent group a databaze byla ist zavena, pak pkazem alter database clear logfile obnovme vechny le-ny skupiny bez ztrty transakc.

    Pi ztrt current group a databaze byla ist zavena se provede obnova dle 3. Offline redology Pouije se obnova dle 3. Pro tento scn musme mt: Brrecover kontroly i voln programu brrestore i sqlplus obslou sm. Obecn postup je: Provede se restore kompletn offline nebo online zlohy bez kontrolnch soubor a on-. Pokud se mezi vskytem chyby nap. Provede se recovery pomoc zazlohovanch redolog. Tento scn obnovy se pouv, pokud st obnovit jen st. Hlavn u MCOD, pokud je po-kozena jen jedna komponenta.

    V tomto ppad po kontrole stavu vyexportuje Oracle nstrojem exp metadata nepokozen tablespaces, pro-toe nebudou een pi recovery. P otevrn databze se metadata naimportuj zpt Oracle nstrojem imp. Tento typ obnovy se pouv pi ztrt vech online redolog a je pitom dostupn zloha da-tovch soubor nejlpe offline a je teba konzistentn obnovit databzi do okamiku ped chybou.

    Tato obnova se pouv p: Kompletn obnova databze Obnova databze do asovho okamiku Obnova tablespace do asovho okamiku Reset databze jestlie vybereme online zlohu. Doporuuji po vech kontrolch a sta-tistikch nebo kad den. Meme pouvat jin konfiguran soubory init. Pokud spoutme z telnetu i podobnho terminlu, pouijeme v UNIXu pkaz nohup. Aplikan server vydr za uritch okolnost i bez pipojen db a sm se pipoj k DB provede reconnect , kdy se nastartuje. Proto je offline archivaci mon spoutt z transakce DB Ale obecn se toto nedoporuuje.

    Postup kompletn akce:. Pokud mme dostupnou offline nebo i online zlohu, meme tento krok urychlit provedenm pouh zlohy ar-chivnch log. Pokud se vynech tento bod, nedlaj se body Chyba: Mon pouze u neproduktivnch syst-m. Meme zkontrolovat joby na zdrojovm serveru pi koprovn a exportu a poppa-d posunout joby, kter by mnily pohybov data nebo zdrovaly nap.

    Dal infor-mace jsou v kapitole 2. Nezapomeneme na pepnut archive mdu, pokud byl vypnut. O archiver stuck zastaven db, protoe neme ukldat archivn logy vce SAP. K tomu SAP note Nen to chyba, ale informace o peruen opera-. Na toto hlen se odkazuji i jin hlen ORA. V ppad problmu databzovho serveru zkontrolujeme obsah souboru v adresi. Jsou pipraveny skripty na mazn redolog a na generovn sql pkazu pro vytvoen redolog a uvedeny v ploze.

    Vybereme services a stiskneme tlatko Stop a klikme dle Yes. Nebo spustme z pkazov dky: Nebo spustme z pkazov dky ve Windows: ST04 prostor: DB02, DB20 zlohovni a recovery: DB12 konfigurace: DB03, DB21 joby: DB13, DB14 alerty: DB16, DB17 diagnostika: Potom jako uivatel adm spustme db2stop. Vechny aplikace spojen s db: Dle k vkonnosti SAP note Dle u IBM: Implementing Application Servers on Linux for zSeries.

    Soubory vytvo sapinst pi in-stalaci systmu. Pokud je chceme zmnit, musme jejich hodnoty zaloit v databzi, kde je systm pi pravch profilu kontroluje.

    Lze je mnit rovnou v souboru, ale s rizikem, e sys-tm nenastartuje kvli chybnmu parametru. Zaloen profil provedeme v transakci RZ10 , kde zalome postupn ti profily: Jmno instannho profilu je dle SAP note Jmno instance je odvozeno od slueb Postup zaloen profilu v transakci RZ Pozor na jmno souboru. Po kopii systmu i instalaci je jednodu naimportovat vechny stvajc profily najednou.

    Pozor, u jmna souboru mus bt v UNIXu oznaen hosta malmi psmeny. Je teba zruit nebo upravit hodnoty profil oznaench jako chyby, poppad pi ukldn akceptovat navrhovan hodnoty. Problmy eme dle SAP note Nastaven parametr provedeme v transakci RZ10 vybereme profil instance:. Jestlie njak slu-ba nen aktivn, potom chyb i pslun psmeno.

    Nkdy program upozoruje na chyby v para-.

    V transakci RZ11 lze nkter parametry nastavit bez nutnosti restartovat. Jsou nastaveny pouze do nsledujcho restartu aplikanho serveru. Pokud nastavujeme parametry kvli njak funkcionalit nap. SNC , pak si radi soubory z profily zazlohujeme pro ppad, kdyby systm nenastartoval. Poet pracovnch proces se konzultuje v SAP note Instanci zakldme nebo maeme v transakci RZ Postup je uveden ne. Operan mdy umouj redistribuci typ pracovnch proces v prbhu dne. Pracovn pro-cesy se nerestartuj a tedy i kvalita bufferu se nezmenuje.

    Mus se zachovat poet pracovnch proces dan v profilu instance. Meme urit i poet BTC proces vyhrazench pouze pro joby tdy A kapitola 2. Funknost operanch mdu a konzistence profil je spojena s funknosti jobu. Operan mdy mohou bt piazeny rznm variantm vlastnost monitorovacch objekt kapitola 6. Po instalaci systmu je vhodn vytvoit a piadit instanci alespo jeden operan md.

    Vytvome pokud mono vech-ny operan mdy najednou. Pokud chceme zmnit stvajc konfiguraci, sma-eme zznam zalome novou ve uvedenm postupem. Pokud je hlen rozdl operanch mdu, zkusme je run pepnout. Pokud jsou jin rozdly, postupujeme dle SAP note , nebo Vtinou to znamen v transakci RZ04 smazat instanci a provst znovu redistribuci pracovnch proces za-loenm nov instance ve uvedenm zpsobem.

    Kontroln panel, transakce RZ03, zobrazuje vechny instance a jejich operan mdy a umouje zkladn operace s instancemi, harmonizovat a kontrolovat profily a run pep-nat operan mdy Hodnotu i dokumentaci parametr meme pest i po-moc transakce RZ11, kde meme hodnotu doasn zmnit, pokud je to mon.

    Vbr parametr: Nstroje Administrace Monitor. AL17 Remote Alert Monitor f. Obecn je mono systm ladit v tchto oblastech: Optimalizace konfigurace databze a operanho systmu. Optimalizace rozloen zte. Oven, zda HW nem vkonnostn slabiny. Optimalizace SAP customizingu. Optimalizace ABAP kdu. Nvrh vyuit buffer pro tabulky. Pro uren piny problm s vkonem je urujc nalezen asovch hodnot dialog response time odezvy nejen celho dialogovho kroku, ale i jeho komponent za pomoc performance monitor i statistik transakc.

    Komponenty dialogovho kroku jsou:. Pokud je tato hodnota vysok, tak to ukazuje na problm s potem pracovnch proces z rznch dvod nap. Pokud je tato hodnota vysok, tak to ukazuje na problm v komunikaci s GUI i s externmi systmy i velkm mnostvm poadovanch dat. Pokud je zdrojov kd novj ne load, mus se jet pegenerovat toto se provede jen jednou. Do response time se zapotvaj nsledujc asy: Na konci RFC voln se provede opt Roll in time a dokon se processing. Toto voln se me li-bovoln opakovat rmci jednoho dialogovho kroku.

    Round trips. Toto voln se me libovoln opakovat rmci jednoho dialogovho kroku. Zle na data-bzov vrstv, zda data te z vlastnch buffer i disku. Pokud je tato hodnota vysok, tak to ukazuje na problmy s vkonem CPU na databzovm serveru, na komunikan problmy s databzovm serverem, drah SQL dotazy, databzov zmky, chybjc indexy nebo statistiky nebo mal databzov buffer. Obsah tohoto bufferu se v uritch okamicch kdy je buffer pln nebo data jsou teba pro transakce ST03N i STAD nebo po uplynut hodiny ukld do statistickch soubor stat Tento kolektor spout dva kolektory, kter ze soubor stat vytv statistick data a ukldaj je do tabulky MONI.

    Tato data pouv transakce ST03N. Pouze Last minute load se pot pmo ze soubor stat. Je mon zobrazit nap. Stejn tak historii do t msc zpt. Funkcionalita zvis na mdu prce Expert, Administrator, Service engineer. V transakci ST03 lze sledovat: Zde jsou uvedeny asi nejdleitj parametry pro zbnou kontrolu: DB req. Semafory sdlen pamti jsou uvedeny v tabulce TSHM0.

    Statistick zznamy a podzznamyHlavn statistick zznam dialogovho kroku me obsahovat dal informace v podzzna-mech. Tchto podzznam je nkolik typu a meme je pomoc parametr profilu nastavovat. O tom vce SAP note Je mon je nastavovat v transakci ST02 pod Dialog step sta-tistic. Sleduje se a vyhodnocuje se v transakci ST Sdlen pam a po jednotliv buffery, SAP memory, semafory, parametry sprvy pomti a dal se monitoruje a nastavuje v transakci ST V nsledujcm textu je jsou uvedeny bli informace k jednotlivm SAP bufferm.

    Pozor na snen vkonu zvlt produktivnho systmu. Synchronizace se provd i pi importu TP. Tento buffer je velmi kritick pro vkonnost systmu. Potom vzrst load time dialogovho kroku, k tomu se mohou pidvat krtk dumpy kvli tomu, e proces neme nast kd aplikaci. Toleruj se njak swapy do potu zhruba denn. Nastavuje se v transakci ST Nzvy parametr najdeme uvedeny v transakci ST02 v menu pro detailn analzu.

    Parametry odpovdajc nzvm na obrazovce: Nametab NTAB. Field description: Initial records: V transakci ST Dle je strun uvedeno co sledovat.

    Dal podrobnosti najdeme v SAP Library. Databze lze monitorovat v tchto oblastech Nzev je pro rzn DB rzn, nap. Monitorovni sdlen SQL oblasti. Db cockpit nap. Logical read access je poet pstup blok nebo strnek kvli ten. Buffer quality nebo hit ratio je hodnota v procentech vypoten dle. Transakce DB01, ST Databzov instance Oracle alokuje pam ve tech oblastech: Data buffer soust system global area SGA.

    Shared pool soust system global area SGA V nm se ukldaj administrativn informace. Obsahuje row cache pro nap. Jestlie db neme zskat informace o row cache, provede recursive call kvli. Pomr mezi user calls a recursive calls by ml bt co nej-vt, neml by bt ni ne 2. Program global area PGA Pam alokovan pro db procesy. Pro kad db proces se me alokovat 2 MB a 5 MB.

    Poet Physical reads a Physical writes by neml bt ve stejnm mtku. Hodnota Allocation retries by nemla v prbhu innosti vzrstat. Hodnota rollbacks by nemla bt vysok.

    Pokud je men ne 1, mlo by se zat s analzou pin. Vt znamen problm. Souet Short table scans a Long table scans dv poet tabulek, kter byly cel peteny. Vysok hodnota Fetch by rowid signalizuje velk pouit index, co je obecn douc. Data cache Pro strnky tabulek a index v 8 kB blocch. Potom je vt hodnota a nevypovd to o niem. Pro pouvan stored procedures a asociovan provdc plny. Velikost je na-stavovna automaticky kolem 50 a MB.

    Je urena nap. Aktuln velikost je uvedena v poli Current memory od 6. Pro SAP instance je vhodnj pevn velikost pamti. DB Monitor je dostupn v transakci ST DB Analyzer je separtn program, kter b na rovni OS. Me se spustit, zastavit a analy-zovat v transakce DB Agent Privte Memory Pam pro jednotliv databzov procesy.

    ADM58 Book

    Buffer Pool Pro tabulky a indexy. Je vytvoeno pro jednu DB instanci nkolik tchto pool. Velikost blok je identick s velikost blok datovch, mezi 2 a 32 KB. Social drivers of water utility privatization in the United States: an examination of the presence of variegated neoliberal strategies in the water utility sector. Rural Sociol. Grey-Gardner R. Implementing risk management for water supplies: a catalyst and incentive for change.

    Icelandic experience with water safety plans. Developing a national framework for safe drinking water - case study from Iceland. Performance indicators for small- and medium-sized water supply systems: a review. Inter-utility performance benchmarking model for small-to-medium-sized water utilities: aggregated performance indices.

    Intra-utility performance management model In-UPM for the sustainability of small to medium sized water utilities: conceptualization to development. Cleaner Prod. Social deprivation and the public health risks of community drinking water supplies in New Zealand. Hansen JK. Estimating stakeholder benefits of community water system regionalization.

    Harmonization versus subsidiarity in water governance: a review of water governance and legislation in the Canadian provinces and territories. Abstract Hrudey SE. Safe water? Depends on where you live! Risk management for assuring safe drinking water. Hulsmann, A. Small systems large problems: a European inventory of small water systems and associated problems. Google Scholar Jarocki W.

    Funding the future: meeting the costs of capital replacement. A rule-based expert system framework for small water systems: proof-of-concept.

    Job C. Characteristics of groundwater-supplied community water systems in the United States. Groundwater Monit. Trends in groundwater system compliance. Jocoy CL. Who gets clean water? Aid allocation to small water systems in Pennsylvania. Johnson, E. Implementing voluntary source water protection in the state of Texas.

    Edited by R. The inequity of the revised arsenic rule for very small community drinking water systems. Modeling water utility financial performance. Kot, M. Challenges and opportunities for small community drinking water systems: a knowledge translation perspective. Unintended consequences of regulating drinking water in rural Canadian communities: examples from Atlantic Canada.

    The human dimension of water safety plans: a critical review of literature and information gaps. Water compliance challenges: how do Canadian small water systems respond? Understanding stewardship behaviour: factors facilitating and constraining private water well stewardship.

    The capacity of Montreal Lake, Saskatchewan to provide safe drinking water: applying a framework for analysis. Examining mergers in small CWSS: the role of regulatory compliance. Fuzzy-logic modeling of risk assessment for a small drinking-water supply system.

    Lipka B, Deaton BJ. Do water service provision contracts with neighbouring communities reduce drinking water risk on Canadian reserves? Improving service to small communities. Climate change adaptation planning for small water systems. Water supply costs for small private utilities. Mann, P. Commission regulation of small water utilities: mergers and acquisitions. Google Scholar Maras J. Economic and financial management capacity of small water systems.

    Marston AJ. The scale of informality: community-run water systems in peri-urban Cochabamba, Bolivia. McCullough J, Farahbakhsh K. Refocusing the lens: drinking water success in First Nations in Ontario.