{"id":32402,"date":"2019-10-31T21:46:51","date_gmt":"2019-10-31T18:46:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/ok-tech-cassandra-meetup\/"},"modified":"2019-10-31T21:46:51","modified_gmt":"2019-10-31T18:46:51","slug":"ok-tech-cassandra-meetup","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/ok-tech-cassandra-meetup","title":{"rendered":"ok.tech: Takimi me Cassandra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"ok.tech:
\n<\/p>\n

Po punoni me repositorin NoSQL Apache Cassandra?<\/h2>\n

\nM\u00eb 23 maj, Odnoklassniki fton zhvillues t\u00eb kualifikuar n\u00eb zyr\u00ebn e saj n\u00eb Sh\u00ebn Petersburg p\u00ebr mitap<\/a><\/noindex>, i kushtuar pun\u00ebs me Apache Cassandra. E r\u00ebnd\u00ebsishme \u00ebsht\u00eb vet\u00ebm p\u00ebrvoja juaj me Cassandra dhe d\u00ebshira p\u00ebr ta ndar\u00eb at\u00eb.
\nRegjistrohuni p\u00ebr ngjarjen<\/a><\/noindex>
\n<\/a><\/noindex>
\nNe n\u00eb OK filluam t\u00eb p\u00ebrdorim<\/a><\/noindex> Apache Cassandra n\u00eb vitin 2010 p\u00ebr ruajtjen e vler\u00ebsimeve t\u00eb fotografive. Aktualisht, ne jemi p\u00ebrdoruesit m\u00eb t\u00eb m\u00ebdhenj t\u00eb Apache Cassandra n\u00eb Runet dhe disa nga m\u00eb t\u00eb m\u00ebdhenjt\u00eb n\u00eb Europ\u00eb. Ne kemi m\u00eb shum\u00eb se nj\u00ebqind klaster\u00eb t\u00eb ndrysh\u00ebm q\u00eb p\u00ebrdoren p\u00ebr t\u00eb ruajtur informacionin e ndrysh\u00ebm t\u00eb produkteve - klasat, bisedat, mesazhet, si dhe p\u00ebr menaxhimin e t\u00eb dh\u00ebnave kritike t\u00eb infrastruktur\u00ebs - mapping i blloqeve logjik\u00eb n\u00eb disqet e nj\u00eb depoje t\u00eb madhe binare - one-cold-storage<\/a><\/noindex>, menaxhimi i t\u00eb dh\u00ebnave t\u00eb cloud-it t\u00eb brendsh\u00ebm. one-cloud<\/a><\/noindex> etj.<\/p>\n

N\u00eb total, n\u00ebn menaxhimin e Cassandra ndodhen petabayta t\u00eb dh\u00ebnash n\u00eb mij\u00ebra nod\u00eb. Gjat\u00eb k\u00ebsaj kohe kemi grumbulluar nj\u00eb p\u00ebrvoj\u00eb t\u00eb madhe n\u00eb administrimin, zhvillimin dhe eksploatimin e zgjidhjeve t\u00eb bazuara n\u00eb Cassandra dhe madje kemi zhvilluar Odnoklassniki<\/a><\/noindex> nj\u00eb DB transaksionale NewSQL Tani d\u00ebshirojm\u00eb t\u00eb shp\u00ebrndajm\u00eb gjith\u00e7ka k\u00ebt\u00eb me ju - n\u00eb raste t\u00eb v\u00ebrteta nga praktika dhe pa sekrete; Ngjarja do t\u00eb zhvillohet n\u00eb formatin e nj\u00eb diskutimi t\u00eb drejtp\u00ebrdrejt\u00eb mes pjes\u00ebmarr\u00ebsve, q\u00eb do t\u00eb thot\u00eb se diskutimi do t\u00eb marr\u00eb shumic\u00ebn e koh\u00ebs.<\/a><\/noindex>.<\/p>\n

Ekspert\u00ebt OK jan\u00eb t\u00eb gatsh\u00ebm t\u00eb ndajn\u00eb idet\u00eb dhe qasjet e tyre. Ngjarjen do ta udh\u00ebheqin<\/a><\/noindex> Oleg Anastasiev Aleksand\u00ebr Hristoforov<\/a><\/noindex> dhe Cilat do t\u00eb jen\u00eb temat?<\/a><\/noindex>.<\/p>\n

Eksplorimi:<\/h2>\n

<\/p>\n

Do t\u00eb shqyrtojm\u00eb konfigurimet tipike t\u00eb nod\u00ebve dhe klaster\u00ebve n\u00eb instalime t\u00eb ndryshme production. Do t\u00eb diskutojm\u00eb se si t\u00eb zgjeroni klaster\u00ebt me rritjen e volumit t\u00eb t\u00eb dh\u00ebnave dhe ngarkes\u00ebs dhe si t\u00eb z\u00ebvend\u00ebsoni nod\u00ebt q\u00eb kan\u00eb d\u00ebshtuar me nj\u00eb efekt minimal p\u00ebr klient\u00ebt. Do t\u00eb ndajm\u00eb dhimbjet dhe do t\u00eb sistematizojm\u00eb gropat m\u00eb t\u00eb njohura. Do t\u00eb zbulojm\u00eb se si t\u00eb monitorojm\u00eb klaster\u00ebt p\u00ebr t\u00eb kuptuar n\u00eb koh\u00eb se ku dhe \u00e7far\u00eb sakt\u00ebsisht nuk funksionon si\u00e7 duhet. Do t\u00eb flasim p\u00ebr problemet me shp\u00ebrndarjen e versioneve t\u00eb reja t\u00eb Cassandra.<\/h3>\n

\nPerformanca:<\/p>\n

Do t\u00eb p\u00ebrpiqemi t\u00eb kuptojm\u00eb se n\u00eb cilat metrika duhen par\u00eb dhe \u00e7far\u00eb mund t\u00eb tunohet p\u00ebr t\u00eb p\u00ebrmir\u00ebsuar metrikat. Do t\u00eb merremi me \u00e7\u00ebshtjen e rretritjes apo jo dhe n\u00ebse po, si. Do t\u00eb identifikojm\u00eb vendet kritike n\u00eb arkitektur\u00eb dhe realizim t\u00eb Cassandra dhe do t\u00eb shqyrtojm\u00eb disa truke inxhinierike p\u00ebr t'i kaluar ato. Do t\u00eb flasim p\u00ebr riparimin dhe kompakti t\u00eb zakonsh\u00ebm pa degraduar performanc\u00ebn.<\/h3>\n

\nQ\u00ebndrueshm\u00ebria:<\/p>\n

Q\u00ebndrueshm\u00ebria:<\/h3>\n

\nHardwares are not eternal, so failures occur constantly, and even a colleague's hand may tremble leading to accidental deletions. Therefore, let's discuss recovery after failures of disks, machines, or data centers, as well as reverting to a consistent state from backups in case of operator errors.<\/p>\n

Regjistrohuni<\/a><\/noindex> and tell your friends and colleagues about the event.
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0431\u043e\u0442\u0430\u0435\u0442\u0435 \u0441 NoSQL-\u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435\u043c Apache Cassandra? 23 \u043c\u0430\u044f \u041e\u0434\u043d\u043e\u043a\u043b\u0430\u0441\u0441\u043d\u0438\u043a\u0438 \u043f\u0440\u0438\u0433\u043b\u0430\u0448\u0430\u044e\u0442 \u043e\u043f\u044b\u0442\u043d\u044b\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0432 \u0441\u0432\u043e\u0439 \u043e\u0444\u0438\u0441 \u0432 \u041f\u0435\u0442\u0435\u0440\u0431\u0443\u0440\u0433\u0435 \u043d\u0430 \u043c\u0438\u0442\u0430\u043f, \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 Apache Cassandra. \u0412\u0430\u0436\u0435\u043d \u043b\u0438\u0448\u044c \u0432\u0430\u0448 \u043e\u043f\u044b\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 Cassandra \u0438 \u0436\u0435\u043b\u0430\u043d\u0438\u0435 \u0438\u043c \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f. \u0417\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u043c\u0435\u0440\u043e\u043f\u0440\u0438\u044f\u0442\u0438\u0435 \u041c\u044b \u0432 \u041e\u041a \u043d\u0430\u0447\u0430\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Apache Cassandra \u0432 2010 \u0433\u043e\u0434\u0443 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043e\u0446\u0435\u043d\u043e\u043a \u0444\u043e\u0442\u043e. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043c\u044b […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-32402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47ok.tech: Cassandra meetup | ProHoster","description":"Are you working with the NoSQL storage Apache Cassandra? 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