1.Docker Checkpoint/Restore
Docker Checkpoint/Restore
åï¼ææ¶å°è®°ä¸ä¸checkpoint / restoreï¼å¸æä¹åè½åé¡¾å¹¶æ·±å ¥è®¤è¯ä¸ç®åçé®é¢ãCRIUå ¨ç§°âCheckpoint / Restore in Userspaceâï¼æ¯ä¸ä¸ªä¸ºLinuxæä¾æ£æ¥ç¹/æ¢å¤åè½çå·¥å ·ï¼ä¸»è¦æ¯å¯¹è¿è¡ä¸çåºç¨è¿è¡å»ç»(freeze)ååºäºå ¶å¨ç£çä¸çæææ件建ç«æ£æ¥ç¹ï¼å¹¶æ ¹æ®checkpointæ¢å¤å»ç»æ¶ç¶æ并继ç»è¿è¡ãCRIUå¯ä»¥è¿ç¨å°åºæ¯å æ¬ï¼åºç¨çè¿ç§»ï¼live migrationï¼ãå¿«ç §ãè¿ç¨è°è¯ï¼debuggingï¼ççãCRIU为OpenVZãLXZ/LXDãDockerçé½æä¾äºå¾å¥½çæ¯æã
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è¥è¯¥æ件åæ°æ´æ¹å¾å¤ï¼å°±ä¼èµ·å²çª......解å³åæ³ï¼å°½éåªå°èªå·±éè¦æ´æ¹çé ç½®åæ°åå ¥å°±å¥½ï¼è¥è¿å²çªï¼å°±å¯å¨dockeræ¶æå¨æå®åæ°æèæ¬å¯å¨å§ã
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æ®è¯´æ¯?源码adam源码mobyçåå ï¼ä½çStackflowä¸çé®é¢ä¹è¿æ¯opençï¼å ³éäºä¸ä¸ªä½æè§ä»å ³çè«åå ¶å¦ï¼æä¸ä¸ªé®é¢ä¸ï¼å¼å人å说解å³äºï¼ä½è¿æªæ¨å°æ°çæ¬ãæç解å³åæ³ï¼è¯éªä¹åï¼å»ºè®®ä½¿ç¨è¾æ°çæ¬.è¿è¡checkpoint/restoreï¼å¯ä»¥æ£å¸¸ä½¿ç¨ï¼å¯è½çæ¬ï¼å°çå¹´æ¹ï¼å°æªå©å¨¶ï¼å¤ªæ°äºèè·è¿æ²¡ç«ç¨³ã
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注æï¼å¨å建checkpointæ¶ï¼è¥æ们æå®çè·¯å¾ä¸º/home/PATHï¼åæ¢å¤æ¶è¿éè¦å ·ä½æå®å°è¯¥è·¯å¾ä¸ç/home/PATH/[CONTAINER_FULL_ID]/checkpointsãå 为æ¢å¤æ¶ï¼æ们å¯è½æ°å»ºå®¹å¨ï¼æè å°å¦ä¸ä¸ªå®¹å¨ä»å«ç容å¨çcheckpointæ¢å¤ï¼æ éèªå·±æ ¹æ®checkpointä¿¡æ¯è¿è¡è·¯å¾å®åã
CRIU对ææ°å æ ¸çæ¯ææéï¼ä¸å¥½åå¨è¾æ°çæ¬ä¸ï¼ç§»é¤äº--checkpoint-dirå³æå®ç®å½è¿ä¸ç¹æ§ã
è¥å®¹å¨è¿è¡æ¶æç¨external terminalï¼ docker run -t ï¼ï¼checkpointä¼å¤±è´¥çã[ åæ°-t 让dockeråé ä¸ä¸ªä¼ªç»ç«¯å¹¶ç»å®å°å®¹å¨çæ åè¾å ¥ä¸, -i å让容å¨çæ åè¾å ¥ä¿ææå¼ï¼å¸¸ä¸èµ·ä½¿ç¨ã]
linksï¼
https://criu.org/Docker
https://criu.org/Installation
https://criu.org/Checkpoint/Restore
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