BlueStore 不仅仅将对象元数据写入 RocksDB。它还存储内部 BlueStore 状态。这包括 pglog 更新、范围和磁盘分配等数据。其中一些数据的生命周期非常短暂:它可能会被写入,然后几乎立即被删除。RocksDB 处理此问题的方式是首先将数据写入内存中的内存表,同时将其写到磁盘上的WAL中。当请求删除该数据时,RocksDB 会写入一...
bluestore_rocksdb_options = compression=kNoCompression,max_write_buffer_number=32,min_write_buffer_number_to_merge=2,recycle_log_file_num=32,compaction_style=kCompactionStyleLevel,write_buffer_size=67108864,target_file_size_base=67108864,max_background_compactions=31,level0_file_num_compaction_trigge...
bluestore_rocksdb_options=compression=kNoCompression,max_write_buffer_number=32,min_write_buffer_number_to_merge=2,recycle_log_file_num=32,compaction_style=kCompactionStyleLevel,write_buffer_size=67108864,target_file_size_base=67108864,max_background_compactions=31,level0_file_num_compaction_trigger=...
修改server_host的/etc/ceph/ceph.conf中bluestore rocksdb项 $vim /etc/ceph/ceph.conf 添加以下参数配置 [osd] bluestore rocksdb options = compression=kNoCompression,max_write_buffer_number=8,min_write_buffer_number_to_merge=4,recycle_log_file_num=4,write_buffer_size=356870912,writable_file_max_b...
"bluestore_rocksdb_options": "compression=kNoCompression,max_write_buffer_number=4,min_write_buffer_number_to_merge=1,recycle_log_file_num=4,write_buffer_size=268435456,writable_file_max_buffer_size=0,compaction_readahead_size=2097152,max_background_compactions=2,max_total_wal_size=1073741824",...
bluestore_rocksdb_options = compression=kNoCompression,max_write_buffer_number=32,min_write_buffer_number_to_merge=2,recycle_log_file_num=32,compaction_style=kCompactionStyleLevel,write_buffer_size=67108864,target_file_size_base=67108864,max_background_compactions=31,level0_file_num_compaction_trigge...
This is the reef backport of PR #53343. DNM just now, only b/c of extra testing. In the fall of 2022, we tested LZ4 RocksDB compression in bluestore on NVMe backed OSDs here: https://ceph.io/en/ne...
使用RocksDB进行元数据管理。我们嵌入了RocksDB的键/值数据库,以便管理内部元数据,例如从对象名到磁盘上的块位置的映射。 完整数据和元数据校验和。默认情况下,写入BlueStore的所有数据和元数据都受一个或多个校验和的保护。在未经验证的情况下,不会从磁盘读取数据或元数据或将其返回给用户。
"bluestore_rocksdb_options": "compression=kNoCompression,max_write_buffer_number=4,min_write_buffer_number_to_merge=1,recycle_log_file_num=4,write_buffer_size=268435456,writable_file_max_buffer_size=0,compaction_readahead_size=2097152,max_background_compactions=2,max_total_wal_size=1073741824",...
RocksDB 概述 RocksDB中的Cache LRUCache ClockCache RocksDB选项列表 DBOptions ColumnFamilyOptions BlueStore中RocksDB相关的配置 测试结果RocksDB 概述 RocksDB是一个可嵌入的,持久型的Key-Value数据库,为更快速的存储环境而生。其设计基于Google开源的Leveldb,且优化了LevelDB中存在的一些问题。 它具有如下特性: ...