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Bound ME writer queues by resident payload bytes

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-07-11 18:43:42 +03:00
parent 893ce0cf36
commit d4c4980e5a
25 changed files with 798 additions and 82 deletions
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src/config/defaults.rs
+16
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@@ -24,6 +24,10 @@ const DEFAULT_ME_ADAPTIVE_FLOOR_MAX_WARM_WRITERS_GLOBAL: u32 = 256;
const DEFAULT_ME_ROUTE_BACKPRESSURE_ENABLED: bool = false;
const DEFAULT_ME_ROUTE_FAIRSHARE_ENABLED: bool = false;
const DEFAULT_ME_WRITER_CMD_CHANNEL_CAPACITY: usize = 4096;
pub(crate) const ME_WRITER_BYTE_PERMIT_UNIT_BYTES: usize = 16 * 1024;
pub(crate) const ME_WRITER_FRAME_OVERHEAD_RESERVE_BYTES: usize = 256;
const DEFAULT_ME_WRITER_BYTE_BUDGET_BYTES: usize =
32 * 1024 * 1024 + ME_WRITER_BYTE_PERMIT_UNIT_BYTES;
const DEFAULT_ME_ROUTE_CHANNEL_CAPACITY: usize = 768;
const DEFAULT_ME_C2ME_CHANNEL_CAPACITY: usize = 1024;
const DEFAULT_ME_READER_ROUTE_DATA_WAIT_MS: u64 = 2;
@@ -455,6 +459,18 @@ pub(crate) fn default_me_writer_cmd_channel_capacity() -> usize {
DEFAULT_ME_WRITER_CMD_CHANNEL_CAPACITY
}
pub(crate) fn default_me_writer_byte_budget_bytes() -> usize {
DEFAULT_ME_WRITER_BYTE_BUDGET_BYTES
}
pub(crate) fn minimum_me_writer_byte_budget_bytes(max_client_frame: usize) -> usize {
max_client_frame
.saturating_mul(2)
.saturating_add(ME_WRITER_FRAME_OVERHEAD_RESERVE_BYTES)
.div_ceil(ME_WRITER_BYTE_PERMIT_UNIT_BYTES)
.saturating_mul(ME_WRITER_BYTE_PERMIT_UNIT_BYTES)
}
pub(crate) fn default_me_route_channel_capacity() -> usize {
DEFAULT_ME_ROUTE_CHANNEL_CAPACITY
}