DeepSeek/3FS
1
0
Fork 0
mirror of https://github.com/deepseek-ai/3FS synced 2025-06-26 18:16:45 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

fuse: don't limit max_threads to num of CPU cores

Browse Source 
fuse threads are mostly blocked on waiting IO. They are not CPU intensive. So,
there is no reason to limit them by the number of CPU cores.

We got 7x IOPS with this patch on a 2 core VM.
This commit is contained in:
胡玮文 2025-03-04 15:05:09 +08:00
parent c3a16b5cd8
commit 253c1da72d
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/fuse/FuseClients.cc
View File

@ -77,12 +77,7 @@ Result<Void> FuseClients::init(const flat::AppInfo &appInfo,
enableWritebackCache = fuseConfig.enable_writeback_cache();
memsetBeforeRead = fuseConfig.memset_before_read();
maxIdleThreads = fuseConfig.max_idle_threads();
int logicalCores = std::thread::hardware_concurrency();
if (logicalCores != 0) {
maxThreads = std::min(fuseConfig.max_threads(), (logicalCores + 1) / 2);
} else {
maxThreads = fuseConfig.max_threads();
}
bufPool = net::RDMABufPool::create(fuseConfig.io_bufs().max_buf_size(), fuseConfig.rdma_buf_pool_size());
iovs.init(fuseRemountPref.value_or(fuseMountpoint), fuseConfig.iov_limit());