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Merge branch 'main' into yuchen/direct-io-aligned-alloc

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This commit is contained in:
Yuchen Liang
2024-09-24 21:29:33 -04:00
committed by GitHub
parent ff4a1db223 5f2f31e879
commit a2be8a440b
348 changed files with 15903 additions and 6502 deletions
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7
pageserver/src/virtual_file.rs
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@@ -1,6 +1,7 @@
//!
//! VirtualFile is like a normal File, but it's not bound directly to
//! a file descriptor. Instead, the file is opened when it's read from,
//! a file descriptor.
//!
//! Instead, the file is opened when it's read from,
//! and if too many files are open globally in the system, least-recently
//! used ones are closed.
//!
@@ -10,7 +11,6 @@
//! This is similar to PostgreSQL's virtual file descriptor facility in
//! src/backend/storage/file/fd.c
//!
use crate::config::defaults::DEFAULT_IO_BUFFER_ALIGNMENT;
use crate::context::RequestContext;
use crate::metrics::{StorageIoOperation, STORAGE_IO_SIZE, STORAGE_IO_TIME_METRIC};
@@ -19,6 +19,7 @@ use crate::tenant::TENANTS_SEGMENT_NAME;
use camino::{Utf8Path, Utf8PathBuf};
use once_cell::sync::OnceCell;
use owned_buffers_io::io_buf_ext::FullSlice;
use pageserver_api::config::defaults::DEFAULT_IO_BUFFER_ALIGNMENT;
use pageserver_api::shard::TenantShardId;
use std::fs::File;
use std::io::{Error, ErrorKind, Seek, SeekFrom};