共享数据配置指南

[FastDIR]

# 对于文件追加写或文件truncate操作，通过加锁避免冲突
# if use sys lock for file append and truncate to avoid conflict
# set true when the files appended or truncated by many nodes (FUSE instances)
# default value is false
use_sys_lock_for_append = true

# 禁用异步报告文件属性（即采用同步报告方式）
# if async report file attributes (size, modify time etc.) to the FastDIR server
# default value is true
async_report_enabled = false

# 禁用合并写
[write-combine]
# if enable write combine feature for FastStore
# default value is true
enabled = false

# 禁用预读机制
[read-ahead]
# if enable read ahead feature for FastStore
# default value is true
enabled = false


[FUSE]
# 禁用Linux对inode缓存
# cache time for file entry in seconds
# default value is 1.0s
entry_timeout = 0.0

# 禁用Linux对文件属性缓存
# cache time for file attribute in seconds
# default value is 1.0s
attribute_timeout = 0.0

# 禁用内核合并写
# if enable kernel writeback cache
# default value is true
writeback_cache = false

# 禁用内核读缓存
# if keep kernel cache for read
# set to true for unshared data scene (private data for single node)
# should set to false on shared data scene for multi nodes
# default value is true
kernel_cache = false