可以查 [root@clienta ~]# ceph config ls | grep rbd_cacherbd_cache rbd_cache_policy rbd_cache_writethrough_until_flush rbd_cache_size rbd_cache_max_dirty rbd_cache_target_dirty rbd_cache_max_dirty_age rbd_cache_max_dirty_object rbd_cache_block_writes_upfront 4.镜像的导入导出 像镜像的...
*policy_map_result = POLICY_MAP_RESULT_HIT; m_clean_lru.lru_remove(entry); m_free_lru.lru_insert_bot(entry); block_info->status = NOT_IN_CACHE; Copy link mingnusJul 20, 2018 Choose a reasonSpamAbuseOff TopicOutdatedDuplicateResolved ...
1.librbd 新增 write-around,并作为默认缓存策略 introduce new default write-around cache policy #27229(https://github.com/ceph/ceph/pull/27229) 之前为默认为 write-back。 绕写模式的好处是绕过缓存,直接写后端数据,缓存失效后再刷新一遍,保证最终落盘的数据是正确的。这个可以让 librbd 在 OSD 请求过程...
创建img镜像 rbd 存储池并不能直接用于块设备,而是需要事先在其中按需创建映像(image),并把映像文件作为块设备使用。 rbd 命令可用于创建、查看及删除块设备相在的映像(image),以及克隆映像、创建快照、 将映像回滚到快照和查看快照等管理操作。 例如, 下面的命令能够在指定的 RBD 即 rbd-data1 创建一个名为 my...
I suspect this had less to do with the SSDs themselves and more to dowith the controller itself possibly becoming a bottleneck with the kindof workload that ceph is doing across all of the disks and SSDs. SimpleSAS controllers have no cache and don't have to do as much processing onth...
詳細は、Red Hat Ceph Storage ブロックデバイスガイドの'ceph-immutable-object-cache' デーモンの管理の章を参照してください。 librbd ベースのクライアントでの圧縮性または非圧縮性のヒントの送信のサポート 以前のバージョンでは、データが圧縮可能であるかどうかにかか...
(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list apt-get update && apt update #查看可以安装的ceph-common的版本 apt-cache madison ceph-common #k8s集群所有节点安装ceph-common,安装ceph-common才会有/etc/ceph的目录 apt install ceph-common -y #在ceph-deploy节点上创建用户和...
Went back to 15 bits for VERTCACHE_FRAME_MASK to avoid weird model distortions in a single frame every 68 seconds Reverted com_smp back to CVAR_BOOL Removed obsolete cvar r_useHDR Removed obsolete cvar r_useSeamlessCubeMap Removed unused cvar r_useHalfLambert ...
* Hostname was NOT found in DNS cache * Trying 127.0.0.1... * Connected to localhost (127.0.0.1) port 8080 (#0) > GET /api/v1/pools/ HTTP/1.1 > User-Agent: curl/7.35.0 > Host: localhost:8080 > Accept: */* > < HTTP/1.1 200 OK ...
--cmem <MB> Specify the maximum memory usage in MB for the MDEX Engine main cache. When --cmem is not specified, the default value is 1024 MB (1GB), for Dgraph installations on 64-bit platforms. --config <path> Specify a configuration file to read on startup. The configuration file...