19333426770

Committed 13 Nov 2025 01:37PM UTC coverage: 50.497% (-1.0%) from 51.536%

Build # 19333426770

Build Type

push

github

Committed by

web-flow

Commit Message

feat: add noreadahead to lmdb as config option  (#7581)

Description
---
Added `open::NORDAHEAD` flag to the LMDB builder as config option.

_"**Quote:** Most operating systems perform readahead on read requests
by default. This option turns it off if the OS supports it. Turning it
off may help random read performance when the DB is larger than RAM and
system RAM is full. The option is not implemented on Windows."_

As per LMDB documentation, this might help with the seed nodes' RAM
usage when needed, or for other Linux users.

Motivation and Context
---
See #7578 for background.

How Has This Been Tested?
---
Not tested.

What process can a PR reviewer use to test or verify this change?
---
Code review.

<!-- Checklist -->
<!-- 1. Is the title of your PR in the form that would make nice release
notes? The title, excluding the conventional commit
tag, will be included exactly as is in the CHANGELOG, so please think
about it carefully. -->


Breaking Changes
---

- [x] None
- [ ] Requires data directory on base node to be deleted
- [ ] Requires hard fork
- [ ] Other - Please specify

<!-- Does this include a breaking change? If so, include this line as a
footer -->
<!-- BREAKING CHANGE: Description what the user should do, e.g. delete a
database, resync the chain -->


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Added a configuration option to control OS readahead behavior for
database storage; can be disabled for performance tuning (defaults
preserve prior behavior).
* **Chores**
  * Storage initialization now respects the new readahead setting.
* **Tests**
  * Internal tests updated to reflect the new configuration parameter.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Run Details

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Source File
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28.89

/base_layer/node_components/src/blocks/block_header_accumulated_data.rs

//  Copyright 2025, The Tari Project
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
//  following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
//  disclaimer.
//
//  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
//  following disclaimer in the documentation and/or other materials provided with the distribution.
//
//  3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
//  products derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
//  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
//  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
use std::{fmt, fmt::Display};

use primitive_types::U512;
use tari_common_types::types::{HashOutput, PrivateKey};
use tari_transaction_components::tari_proof_of_work::{AccumulatedDifficulty, Difficulty};

/// Accumulated and other pertinent data in the block header acting as a "condensed blockchain snapshot" for the block
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct BlockHeaderAccumulatedData {
    /// The block hash.
    pub hash: HashOutput,
    /// The total accumulated offset for all kernels in the block.
    pub total_kernel_offset: PrivateKey,
    /// The achieved difficulty for solving the current block using the specified proof of work algorithm.
    pub achieved_difficulty: Difficulty,
    /// The total accumulated difficulty for all blocks since Genesis, but not including this block, tracked
    /// separately.
    pub total_accumulated_difficulty: U512,
    /// The total accumulated difficulty for Merged mined monero RandomX proof of work for all blocks since Genesis,
    /// but not including this block, tracked separately.
    pub accumulated_monero_randomx_difficulty: AccumulatedDifficulty,
    /// The total accumulated difficulty for Tari RandomX proof of work for all blocks since Genesis,
    /// but not including this block, tracked separately.
    pub accumulated_tari_randomx_difficulty: AccumulatedDifficulty,
    /// The total accumulated difficulty for SHA3 proof of work for all blocks since Genesis,
    /// but not including this block, tracked separately.
    pub accumulated_sha3x_difficulty: AccumulatedDifficulty,
    /// The total accumulated difficulty for Cuckaroo proof of work for all blocks since Genesis,
    pub accumulated_cuckaroo_difficulty: AccumulatedDifficulty,
    /// The target difficulty for solving the current block using the specified proof of work algorithm.
    pub target_difficulty: Difficulty,
}

impl BlockHeaderAccumulatedData {
    pub fn genesis(hash: HashOutput, total_kernel_offset: PrivateKey) -> Self {
        Self {
            hash,
            total_kernel_offset,
            achieved_difficulty: Difficulty::min(),
            total_accumulated_difficulty: 1.into(),
            accumulated_monero_randomx_difficulty: AccumulatedDifficulty::min(),
            accumulated_tari_randomx_difficulty: AccumulatedDifficulty::min(),
            accumulated_sha3x_difficulty: AccumulatedDifficulty::min(),
            accumulated_cuckaroo_difficulty: AccumulatedDifficulty::min(),
            target_difficulty: Difficulty::min(),
        }
    }

    pub fn accumulated_monero_randomx_difficulty(&self) -> AccumulatedDifficulty {
        self.accumulated_monero_randomx_difficulty
    }

    pub fn accumulated_tari_randomx_difficulty(&self) -> AccumulatedDifficulty {
        self.accumulated_tari_randomx_difficulty
    }

    pub fn accumulated_sha3x_difficulty(&self) -> AccumulatedDifficulty {
        self.accumulated_sha3x_difficulty
    }

    pub fn accumulated_cuckaroo_difficulty(&self) -> AccumulatedDifficulty {
        self.accumulated_cuckaroo_difficulty
    }
}

impl Display for BlockHeaderAccumulatedData {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        writeln!(f, "Hash: {}", self.hash)?;
        writeln!(f, "Achieved difficulty: {}", self.achieved_difficulty)?;
        writeln!(f, "Total accumulated difficulty: {}", self.total_accumulated_difficulty)?;
        writeln!(
            f,
            "Accumulated Monero RandomX difficulty: {}",
            self.accumulated_monero_randomx_difficulty
        )?;
        writeln!(
            f,
            "Accumulated Tari RandomX difficulty: {}",
            self.accumulated_tari_randomx_difficulty
        )?;
        writeln!(f, "Accumulated sha3 difficulty: {}", self.accumulated_sha3x_difficulty)?;
        writeln!(
            f,
            "Accumulated cuckaroo difficulty: {}",
            self.accumulated_cuckaroo_difficulty
        )?;
        writeln!(f, "Target difficulty: {}", self.target_difficulty)?;
        Ok(())
    }
}

1	// Copyright 2025, The Tari Project
2	//
3	// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
4	// following conditions are met:
5	//
6	// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
7	// disclaimer.
8	//
9	// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
10	// following disclaimer in the documentation and/or other materials provided with the distribution.
11	//
12	// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
13	// products derived from this software without specific prior written permission.
14	//
15	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
16	// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17	// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19	// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
20	// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
21	// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22	use std::{fmt, fmt::Display};
23
24	use primitive_types::U512;
25	use tari_common_types::types::{HashOutput, PrivateKey};
26	use tari_transaction_components::tari_proof_of_work::{AccumulatedDifficulty, Difficulty};
27
28	/// Accumulated and other pertinent data in the block header acting as a "condensed blockchain snapshot" for the block
29	#[derive(Debug, Clone, PartialEq, Eq)]
30	pub struct BlockHeaderAccumulatedData {
31	/// The block hash.
32	pub hash: HashOutput,
33	/// The total accumulated offset for all kernels in the block.
34	pub total_kernel_offset: PrivateKey,
35	/// The achieved difficulty for solving the current block using the specified proof of work algorithm.
36	pub achieved_difficulty: Difficulty,
37	/// The total accumulated difficulty for all blocks since Genesis, but not including this block, tracked
38	/// separately.
39	pub total_accumulated_difficulty: U512,
40	/// The total accumulated difficulty for Merged mined monero RandomX proof of work for all blocks since Genesis,
41	/// but not including this block, tracked separately.
42	pub accumulated_monero_randomx_difficulty: AccumulatedDifficulty,
43	/// The total accumulated difficulty for Tari RandomX proof of work for all blocks since Genesis,
44	/// but not including this block, tracked separately.
45	pub accumulated_tari_randomx_difficulty: AccumulatedDifficulty,
46	/// The total accumulated difficulty for SHA3 proof of work for all blocks since Genesis,
47	/// but not including this block, tracked separately.
48	pub accumulated_sha3x_difficulty: AccumulatedDifficulty,
49	/// The total accumulated difficulty for Cuckaroo proof of work for all blocks since Genesis,
50	pub accumulated_cuckaroo_difficulty: AccumulatedDifficulty,
51	/// The target difficulty for solving the current block using the specified proof of work algorithm.
52	pub target_difficulty: Difficulty,
53	}
54
55	impl BlockHeaderAccumulatedData {
56	pub fn genesis(hash: HashOutput, total_kernel_offset: PrivateKey) -> Self {	155✔
57	Self {	155✔
58	hash,	155✔
59	total_kernel_offset,	155✔
60	achieved_difficulty: Difficulty::min(),	155✔
61	total_accumulated_difficulty: 1.into(),	155✔
62	accumulated_monero_randomx_difficulty: AccumulatedDifficulty::min(),	155✔
63	accumulated_tari_randomx_difficulty: AccumulatedDifficulty::min(),	155✔
64	accumulated_sha3x_difficulty: AccumulatedDifficulty::min(),	155✔
65	accumulated_cuckaroo_difficulty: AccumulatedDifficulty::min(),	155✔
66	target_difficulty: Difficulty::min(),	155✔
67	}	155✔
68	}	155✔
69
70	pub fn accumulated_monero_randomx_difficulty(&self) -> AccumulatedDifficulty {	×
71	self.accumulated_monero_randomx_difficulty	×
72	}	×
73
74	pub fn accumulated_tari_randomx_difficulty(&self) -> AccumulatedDifficulty {	×
75	self.accumulated_tari_randomx_difficulty	×
76	}	×
77
UNCOV 78	pub fn accumulated_sha3x_difficulty(&self) -> AccumulatedDifficulty {	×
UNCOV 79	self.accumulated_sha3x_difficulty	×
UNCOV 80	}	×
81
82	pub fn accumulated_cuckaroo_difficulty(&self) -> AccumulatedDifficulty {	×
83	self.accumulated_cuckaroo_difficulty	×
84	}	×
85	}
86
87	impl Display for BlockHeaderAccumulatedData {
88	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {	×
89	writeln!(f, "Hash: {}", self.hash)?;	×
90	writeln!(f, "Achieved difficulty: {}", self.achieved_difficulty)?;	×
91	writeln!(f, "Total accumulated difficulty: {}", self.total_accumulated_difficulty)?;	×
92	writeln!(	×
93	f,	×
94	"Accumulated Monero RandomX difficulty: {}",	×
95	self.accumulated_monero_randomx_difficulty
96	)?;	×
97	writeln!(	×
98	f,	×
99	"Accumulated Tari RandomX difficulty: {}",	×
100	self.accumulated_tari_randomx_difficulty
101	)?;	×
102	writeln!(f, "Accumulated sha3 difficulty: {}", self.accumulated_sha3x_difficulty)?;	×
103	writeln!(	×
104	f,	×
105	"Accumulated cuckaroo difficulty: {}",	×
106	self.accumulated_cuckaroo_difficulty
107	)?;	×
108	writeln!(f, "Target difficulty: {}", self.target_difficulty)?;	×
109	Ok(())	×
110	}	×
111	}

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