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config: add mmap read env alias (#4021)

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This commit is contained in:
Zhengchao An
2026-06-28 23:24:24 +08:00
committed by GitHub
parent b37c8c6435
commit 8284e6a75c
5 changed files with 61 additions and 17 deletions
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crates/ecstore/src/set_disk/read.rs
+3 -6
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@@ -26,11 +26,10 @@ use crate::diagnostics::get::{
record_get_object_pipeline_failure_for_path, record_get_stage_duration_if_enabled,
};
use crate::erasure::coding::BitrotReader;
use crate::io_support::bitrot::create_deferred_bitrot_reader;
use crate::io_support::bitrot::{create_deferred_bitrot_reader, object_mmap_read_enabled};
use crate::set_disk::shard_source::ShardReadCost;
use futures::stream::{FuturesUnordered, StreamExt};
use metrics::counter;
use rustfs_config::{DEFAULT_OBJECT_ZERO_COPY_ENABLE, ENV_OBJECT_ZERO_COPY_ENABLE};
use std::{
collections::{HashMap, VecDeque},
future::Future,
@@ -2004,9 +2003,7 @@ impl SetDisks {
};
let read_length = till_offset.saturating_sub(read_offset);
// Read zero-copy configuration from environment variable
// Default: enabled (true) for performance
let use_mmap_read = rustfs_utils::get_env_bool(ENV_OBJECT_ZERO_COPY_ENABLE, DEFAULT_OBJECT_ZERO_COPY_ENABLE);
let use_mmap_read = object_mmap_read_enabled();
let reader_setup_stage_start = Instant::now();
let read_costs = disks
@@ -2387,7 +2384,7 @@ impl SetDisks {
} else {
checksum_info.algorithm
};
let use_mmap_read = rustfs_utils::get_env_bool(ENV_OBJECT_ZERO_COPY_ENABLE, DEFAULT_OBJECT_ZERO_COPY_ENABLE);
let use_mmap_read = object_mmap_read_enabled();
let till_offset = erasure.shard_file_offset(part_offset, part_length, part_size);
let read_offset = (part_offset / erasure.block_size) * erasure.shard_size();
let read_length = till_offset.saturating_sub(read_offset);