-
Notifications
You must be signed in to change notification settings - Fork 30
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
fix(db): fix number of files in db, startup hang, ram issues and flushing issues #379
base: main
Are you sure you want to change the base?
Changes from all commits
File filter
Filter by extension
Conversations
Jump to
Diff view
Diff view
There are no files selected for viewing
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,73 @@ | ||
#![allow(clippy::identity_op)] // allow 1 * MiB | ||
#![allow(non_upper_case_globals)] // allow KiB/MiB/GiB names | ||
|
||
use crate::{contract_db, Column}; | ||
use anyhow::{Context, Result}; | ||
use rocksdb::{DBCompressionType, Env, Options, SliceTransform}; | ||
|
||
const KiB: usize = 1024; | ||
const MiB: usize = 1024 * KiB; | ||
const GiB: usize = 1024 * MiB; | ||
|
||
pub fn rocksdb_global_options() -> Result<Options> { | ||
let mut options = Options::default(); | ||
options.create_if_missing(true); | ||
options.create_missing_column_families(true); | ||
let cores = std::thread::available_parallelism().map(|e| e.get() as i32).unwrap_or(1); | ||
options.increase_parallelism(cores); | ||
options.set_max_background_jobs(cores); | ||
|
||
options.set_atomic_flush(true); | ||
options.set_max_subcompactions(cores as _); | ||
|
||
options.set_max_log_file_size(10 * MiB); | ||
options.set_max_open_files(2048); | ||
options.set_keep_log_file_num(3); | ||
options.set_log_level(rocksdb::LogLevel::Warn); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Why warn and not info? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. this is not a change, it's marked as a change because git bad info is the default, and it will print column stats every so often, making huuuge log files with absolutely useless information see #345 where it was introduced |
||
|
||
let mut env = Env::new().context("Creating rocksdb env")?; | ||
// env.set_high_priority_background_threads(cores); // flushes | ||
env.set_low_priority_background_threads(cores); // compaction | ||
|
||
options.set_env(&env); | ||
|
||
Ok(options) | ||
} | ||
|
||
impl Column { | ||
/// Per column rocksdb options, like memory budget, compaction profiles, block sizes for hdd/sdd | ||
/// etc. | ||
pub(crate) fn rocksdb_options(&self) -> Options { | ||
let mut options = Options::default(); | ||
|
||
match self { | ||
Column::ContractStorage => { | ||
options.set_prefix_extractor(SliceTransform::create_fixed_prefix( | ||
contract_db::CONTRACT_STORAGE_PREFIX_EXTRACTOR, | ||
)); | ||
} | ||
Column::ContractToClassHashes => { | ||
options.set_prefix_extractor(SliceTransform::create_fixed_prefix( | ||
contract_db::CONTRACT_CLASS_HASH_PREFIX_EXTRACTOR, | ||
)); | ||
} | ||
Column::ContractToNonces => { | ||
options.set_prefix_extractor(SliceTransform::create_fixed_prefix( | ||
contract_db::CONTRACT_NONCES_PREFIX_EXTRACTOR, | ||
)); | ||
} | ||
_ => {} | ||
} | ||
|
||
options.set_compression_type(DBCompressionType::Zstd); | ||
match self { | ||
Column::BlockNToBlockInfo | Column::BlockNToBlockInner => { | ||
options.optimize_universal_style_compaction(1 * GiB); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. same here why 1GB? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. i can't access to the column sizes metrics as of now, so I eyeballed it I have not run any test to see if these numbers are optimal they just looked okay to me. |
||
} | ||
_ => { | ||
options.optimize_universal_style_compaction(100 * MiB); | ||
} | ||
} | ||
options | ||
} | ||
} |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
could you add a comment describing each of those numbers?
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Yes, or at least a doc for the function explaining how it addresses the issue this PR is solving.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
the max open files was added in #367
i'll add info to the options, i may also solve #231 while i'm at it if it doesnt take me too long