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# Goal The goal of this PR is to calculate the DB benchmarks based on current main-net state. Related to #1853 # Warning - **Current PR will change all weights for stable weights** If that is not desirable, we can use defaults for stable weights but it would not be a correct metric for measuring consumed resources. # Discussion - Calculated the benchmark with `1.3` multiplier. If we expect to add more than 30% keys in the next 6 months we need to increase this multiplier. # Checklist - [X] Spec version incremented? # Execution steps 1. download a copy of mainnet chain data 2. build the same version of frequency that is running on mainnet by running `cargo build --release --features frequency,runtime-benchmarks` 3. run the storage benchmark by pointing the path to the copy of mainnet data like following `./target/release/frequency benchmark storage --state-version=1 --chain=frequency --base-path=/home/ubuntu/mainnet_data/ --include-child-trees --warmups=2 --mul=1.3` ```bash 2024-08-22 20:04:37 Warmup round 1/2 2024-08-22 20:09:03 Warmup round 2/2 2024-08-22 20:13:29 Preparing keys from block 0x09b2…00e2 2024-08-22 20:13:50 Reading 7585867 keys 2024-08-22 20:18:48 Reading 1705264 child keys 2024-08-22 20:19:57 Time summary [ns]: Total: 281753393895 Min: 1676, Max: 3967371 Average: 36369, Median: 36876, Stddev: 10368.83 Percentiles 99th, 95th, 75th: 60542, 52621, 43407 Value size summary: Total: 441863634 Min: 0, Max: 891362 Average: 57, Median: 8, Stddev: 363.51 Percentiles 99th, 95th, 75th: 1026, 253, 35 2024-08-22 20:20:18 Warmup round 1/2 2024-08-22 20:24:42 Warmup round 2/2 2024-08-22 20:29:06 Preparing keys from block 0x09b2…00e2 2024-08-22 20:29:29 Writing 7585867 keys 2024-08-22 20:53:04 Writing 1705264 child keys 2024-08-22 20:55:54 Time summary [ns]: Total: 443223318406 Min: 4954, Max: 87545132 Average: 57212, Median: 62141, Stddev: 60272.19 Percentiles 99th, 95th, 75th: 101820, 90948, 75800 Value size summary: Total: 441863634 Min: 0, Max: 891362 Average: 57, Median: 8, Stddev: 363.51 Percentiles 99th, 95th, 75th: 1026, 253, 35 2024-08-22 20:55:54 Writing weights to "/home/ubuntu/frequency/rocksdb_weights.rs" ```
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev | ||
| //! DATE: 2024-08-22 (Y/M/D) | ||
| //! HOSTNAME: `ip-10-173-4-131`, CPU: `Intel(R) Xeon(R) Platinum 8375C CPU @ 2.90GHz` | ||
| //! | ||
| //! DATABASE: `RocksDb`, RUNTIME: `Frequency` | ||
| //! BLOCK-NUM: `BlockId::Number(4413540)` | ||
| //! SKIP-WRITE: `false`, SKIP-READ: `false`, WARMUPS: `2` | ||
| //! STATE-VERSION: `V1`, STATE-CACHE-SIZE: `` | ||
| //! WEIGHT-PATH: `` | ||
| //! METRIC: `Average`, WEIGHT-MUL: `1.3`, WEIGHT-ADD: `0` | ||
| // Executed Command: | ||
| // ./target/release/frequency | ||
| // benchmark | ||
| // storage | ||
| // --state-version=1 | ||
| // --chain=frequency | ||
| // --base-path=/data | ||
| // --include-child-trees | ||
| // --warmups=2 | ||
| // --mul=1.3 | ||
|
|
||
| /// Storage DB weights for the `Frequency` runtime and `RocksDb`. | ||
| pub mod constants { | ||
| use frame_support::weights::constants; | ||
| use sp_core::parameter_types; | ||
| use sp_weights::RuntimeDbWeight; | ||
|
|
||
| parameter_types! { | ||
| /// By default, Substrate uses `RocksDB`, so this will be the weight used throughout | ||
| /// the runtime. | ||
| pub const RocksDbWeight: RuntimeDbWeight = RuntimeDbWeight { | ||
| // Time to read one storage item. | ||
| // Calculated by multiplying the *Average* of all values with `1.3` and adding `0`. | ||
| // | ||
| // Stats nanoseconds: | ||
| // Min, Max: 1_676, 3_967_371 | ||
| // Average: 36_369 | ||
| // Median: 36_876 | ||
| // Std-Dev: 10368.83 | ||
| // | ||
| // Percentiles nanoseconds: | ||
| // 99th: 60_542 | ||
| // 95th: 52_621 | ||
| // 75th: 43_407 | ||
| read: 47_280 * constants::WEIGHT_REF_TIME_PER_NANOS, | ||
|
|
||
| // Time to write one storage item. | ||
| // Calculated by multiplying the *Average* of all values with `1.3` and adding `0`. | ||
| // | ||
| // Stats nanoseconds: | ||
| // Min, Max: 4_954, 87_545_132 | ||
| // Average: 57_212 | ||
| // Median: 62_141 | ||
| // Std-Dev: 60272.19 | ||
| // | ||
| // Percentiles nanoseconds: | ||
| // 99th: 101_820 | ||
| // 95th: 90_948 | ||
| // 75th: 75_800 | ||
| write: 74_376 * constants::WEIGHT_REF_TIME_PER_NANOS, | ||
| }; | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod test_db_weights { | ||
| use super::constants::RocksDbWeight as W; | ||
| use sp_weights::constants; | ||
|
|
||
| /// Checks that all weights exist and have sane values. | ||
| // NOTE: If this test fails but you are sure that the generated values are fine, | ||
| // you can delete it. | ||
| #[test] | ||
| fn bound() { | ||
| // At least 1 µs. | ||
| assert!( | ||
| W::get().reads(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS, | ||
| "Read weight should be at least 1 µs." | ||
| ); | ||
| assert!( | ||
| W::get().writes(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS, | ||
| "Write weight should be at least 1 µs." | ||
| ); | ||
| // At most 1 ms. | ||
| assert!( | ||
| W::get().reads(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS, | ||
| "Read weight should be at most 1 ms." | ||
| ); | ||
| assert!( | ||
| W::get().writes(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS, | ||
| "Write weight should be at most 1 ms." | ||
| ); | ||
| } | ||
| } | ||
| } |
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