ardocrat
376c85bab5
* pibd: record segment peer to exclude it from re-request * desegmenter is blocked on a missing kernel * segment iter * add indexing * pibd: log excluded peer * segment batch optimization * pibd: debug logging for stale requests * pibd: filter excluded peer * pibd: check existing kernel segment identifier * pibd: simplify peer selection condition --------- Co-authored-by: Joerg <wiesche89@googlemail.com>
49 lines
2.2 KiB
Rust
49 lines
2.2 KiB
Rust
// Copyright 2022 The Grin Developers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Set of static definitions for all parameters related to PIBD and Desegmentation
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//! Note these are for experimentation via compilation, not meant to be exposed as
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//! configuration parameters anywhere
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/// Bitmap segment height assumed for requests and segment calculation
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pub const BITMAP_SEGMENT_HEIGHT: u8 = 9;
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/// Output segment height assumed for requests and segment calculation
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pub const OUTPUT_SEGMENT_HEIGHT: u8 = 11;
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/// Rangeproof segment height assumed for requests and segment calculation
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pub const RANGEPROOF_SEGMENT_HEIGHT: u8 = 11;
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/// Kernel segment height assumed for requests and segment calculation
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pub const KERNEL_SEGMENT_HEIGHT: u8 = 11;
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/// Maximum number of received segments to cache (across all trees) before we stop requesting others
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pub const MAX_CACHED_SEGMENTS: usize = 15;
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/// Number of segments to apply in a single LMDB transaction
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pub const SEGMENT_APPLY_BATCH_SIZE: usize = 4;
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/// How long the state sync should wait after requesting a segment from a peer before
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/// deciding the segment isn't going to arrive. The syncer will then re-request the segment
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pub const SEGMENT_REQUEST_TIMEOUT_SECS: i64 = 20;
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/// Number of simultaneous requests for segments we should make. Note this is currently
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/// divisible by 3 to try and evenly spread requests amount the 3 main MMRs (Bitmap segments
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/// will always be requested first)
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pub const SEGMENT_REQUEST_COUNT: usize = 15;
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/// If the syncer hasn't seen a max work peer that supports PIBD in this number of seconds
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/// give up and revert back to the txhashset.zip download method
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pub const TXHASHSET_ZIP_FALLBACK_TIME_SECS: i64 = 60;
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