itarticle autoscaling placement groups A PRESELECTION OF PG_NUM HOW ARE PLACEMENT GROUPS USED(如何使用PLACEMENT GROUPS) PLACEMENT GROUPS TRADEOFFS(权衡) CHOOSING THE NUMBER OF PLACEMENT GROUPS(选择PLACEMENT GROUPS的数量) SET THE NUMBER OF PLACEMENT GROUPS(设置PLACEMENT GROUPS数) GET THE NUMBER OF PLACEMENT GROUPS(获取PLACEMENT GROUPS数) GET A CLUSTER’S PG STATISTICS(获取集群的PG统计信息) GET STATISTICS FOR STUCK PGS(获取STUCK PGS的统计信息) GET A PG MAP GET A PGS STATISTICS(获取PGS统计信息) SCRUB A PLACEMENT GROUP PRIORITIZE BACKFILL/RECOVERY OF A PLACEMENT GROUP(S)(优先考虑PLACEMENT GROUP的BACKFILL/RECOVERY) REVERT LOST(永不消失) 2020-09-30 0