408 lines
12 KiB
Rust
408 lines
12 KiB
Rust
// Long-running ledger_cleanup tests
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#[cfg(test)]
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mod tests {
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use solana_core::ledger_cleanup_service::LedgerCleanupService;
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use solana_ledger::blockstore::{make_many_slot_entries, Blockstore};
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use solana_ledger::get_tmp_ledger_path;
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use solana_ledger::shred::Shred;
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use std::collections::VecDeque;
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use std::str::FromStr;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::channel;
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use std::sync::{Arc, RwLock};
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use std::thread::{self, Builder, JoinHandle};
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use std::time::{Duration, Instant};
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use systemstat::{CPULoad, Platform, System};
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const DEFAULT_BENCHMARK_SLOTS: u64 = 50;
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const DEFAULT_BATCH_SIZE: u64 = 1;
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const DEFAULT_MAX_LEDGER_SHREDS: u64 = 50;
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const DEFAULT_ENTRIES_PER_SLOT: u64 = 500;
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const DEFAULT_STOP_SIZE_BYTES: u64 = 0;
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const DEFAULT_STOP_SIZE_ITERATIONS: u64 = 0;
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const ROCKSDB_FLUSH_GRACE_PERIOD_SECS: u64 = 20;
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#[derive(Debug)]
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struct BenchmarkConfig {
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pub benchmark_slots: u64,
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pub batch_size: u64,
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pub max_ledger_shreds: u64,
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pub entries_per_slot: u64,
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pub stop_size_bytes: u64,
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pub stop_size_iterations: u64,
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pub pre_generate_data: bool,
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pub cleanup_blockstore: bool,
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pub emit_cpu_info: bool,
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pub assert_compaction: bool,
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}
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#[derive(Clone, Copy, Debug)]
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struct CpuStatsInner {
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pub cpu_user: f32,
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pub cpu_system: f32,
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pub cpu_idle: f32,
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}
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impl From<CPULoad> for CpuStatsInner {
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fn from(cpu: CPULoad) -> Self {
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Self {
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cpu_user: cpu.user * 100.0,
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cpu_system: cpu.system * 100.0,
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cpu_idle: cpu.idle * 100.0,
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}
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}
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}
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impl Default for CpuStatsInner {
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fn default() -> Self {
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Self {
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cpu_user: 0.0,
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cpu_system: 0.0,
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cpu_idle: 0.0,
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}
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}
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}
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struct CpuStats {
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stats: RwLock<CpuStatsInner>,
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sys: System,
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}
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impl Default for CpuStats {
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fn default() -> Self {
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Self {
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stats: RwLock::new(CpuStatsInner::default()),
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sys: System::new(),
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}
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}
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}
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impl CpuStats {
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fn update(&self) {
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if let Ok(cpu) = self.sys.cpu_load_aggregate() {
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std::thread::sleep(Duration::from_millis(400));
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let cpu_new = CpuStatsInner::from(cpu.done().unwrap());
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*self.stats.write().unwrap() = cpu_new;
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}
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}
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fn get_stats(&self) -> CpuStatsInner {
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*self.stats.read().unwrap()
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}
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}
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struct CpuStatsUpdater {
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cpu_stats: Arc<CpuStats>,
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t_cleanup: JoinHandle<()>,
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}
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impl CpuStatsUpdater {
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pub fn new(exit: &Arc<AtomicBool>) -> Self {
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let exit = exit.clone();
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let cpu_stats = Arc::new(CpuStats::default());
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let cpu_stats_clone = cpu_stats.clone();
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let t_cleanup = Builder::new()
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.name("cpu_info".to_string())
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.spawn(move || loop {
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if exit.load(Ordering::Relaxed) {
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break;
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}
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cpu_stats_clone.update();
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})
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.unwrap();
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Self {
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cpu_stats,
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t_cleanup,
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}
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}
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pub fn get_stats(&self) -> CpuStatsInner {
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self.cpu_stats.get_stats()
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}
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pub fn join(self) -> std::thread::Result<()> {
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self.t_cleanup.join()
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}
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}
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fn read_env<T>(key: &str, default: T) -> T
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where
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T: FromStr,
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{
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match std::env::var(key) {
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Ok(val) => val.parse().unwrap_or(default),
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Err(_e) => default,
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}
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}
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fn get_benchmark_config() -> BenchmarkConfig {
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let benchmark_slots = read_env("BENCHMARK_SLOTS", DEFAULT_BENCHMARK_SLOTS);
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let batch_size = read_env("BATCH_SIZE", DEFAULT_BATCH_SIZE);
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let max_ledger_shreds = read_env("MAX_LEDGER_SHREDS", DEFAULT_MAX_LEDGER_SHREDS);
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let entries_per_slot = read_env("ENTRIES_PER_SLOT", DEFAULT_ENTRIES_PER_SLOT);
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let stop_size_bytes = read_env("STOP_SIZE_BYTES", DEFAULT_STOP_SIZE_BYTES);
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let stop_size_iterations = read_env("STOP_SIZE_ITERATIONS", DEFAULT_STOP_SIZE_ITERATIONS);
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let pre_generate_data = read_env("PRE_GENERATE_DATA", false);
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let cleanup_blockstore = read_env("CLEANUP_BLOCKSTORE", true);
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let emit_cpu_info = read_env("EMIT_CPU_INFO", true);
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// set default to `true` once compaction is merged
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let assert_compaction = read_env("ASSERT_COMPACTION", false);
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BenchmarkConfig {
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benchmark_slots,
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batch_size,
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max_ledger_shreds,
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entries_per_slot,
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stop_size_bytes,
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stop_size_iterations,
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pre_generate_data,
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cleanup_blockstore,
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emit_cpu_info,
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assert_compaction,
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}
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}
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fn emit_header() {
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println!("TIME_MS,DELTA_MS,START_SLOT,BATCH_SIZE,ENTRIES,MAX,SIZE,DELTA_SIZE,CPU_USER,CPU_SYSTEM,CPU_IDLE");
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}
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fn emit_stats(
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time_initial: &Instant,
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time_previous: &mut Instant,
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storage_previous: &mut u64,
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start_slot: u64,
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batch_size: u64,
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entries: u64,
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max_slots: i64,
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blockstore: &Blockstore,
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cpu: &CpuStatsInner,
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) {
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let time_now = Instant::now();
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let storage_now = blockstore.storage_size().unwrap_or(0);
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let (cpu_user, cpu_system, cpu_idle) = (cpu.cpu_user, cpu.cpu_system, cpu.cpu_idle);
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println!(
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"{},{},{},{},{},{},{},{},{},{},{}",
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time_now.duration_since(*time_initial).as_millis(),
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time_now.duration_since(*time_previous).as_millis(),
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start_slot,
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batch_size,
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entries,
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max_slots,
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storage_now,
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storage_now as i64 - *storage_previous as i64,
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cpu_user,
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cpu_system,
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cpu_idle,
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);
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*time_previous = time_now;
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*storage_previous = storage_now;
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}
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#[test]
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fn test_ledger_cleanup_compaction() {
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let blockstore_path = get_tmp_ledger_path!();
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let blockstore = Arc::new(Blockstore::open(&blockstore_path).unwrap());
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let config = get_benchmark_config();
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eprintln!("BENCHMARK CONFIG: {:?}", config);
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eprintln!("LEDGER_PATH: {:?}", &blockstore_path);
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let benchmark_slots = config.benchmark_slots;
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let batch_size = config.batch_size;
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let max_ledger_shreds = config.max_ledger_shreds;
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let entries_per_slot = config.entries_per_slot;
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let stop_size_bytes = config.stop_size_bytes;
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let stop_size_iterations = config.stop_size_iterations;
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let pre_generate_data = config.pre_generate_data;
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let batches = benchmark_slots / batch_size;
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let (sender, receiver) = channel();
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let exit = Arc::new(AtomicBool::new(false));
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let cleaner =
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LedgerCleanupService::new(receiver, blockstore.clone(), max_ledger_shreds, &exit);
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let exit_cpu = Arc::new(AtomicBool::new(false));
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let sys = CpuStatsUpdater::new(&exit_cpu);
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let mut generated_batches = VecDeque::<Vec<Shred>>::new();
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if pre_generate_data {
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let t0 = Instant::now();
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eprintln!("PRE_GENERATE_DATA: (this may take a while)");
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for i in 0..batches {
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let x = i * batch_size;
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let (shreds, _) = make_many_slot_entries(x, batch_size, entries_per_slot);
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generated_batches.push_back(shreds);
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}
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eprintln!("PRE_GENERATE_DATA: took {} ms", t0.elapsed().as_millis());
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};
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let time_initial = Instant::now();
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let mut time_previous = time_initial;
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let mut storage_previous = 0;
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let mut stop_size_bytes_exceeded_iterations = 0;
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emit_header();
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emit_stats(
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&time_initial,
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&mut time_previous,
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&mut storage_previous,
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0,
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0,
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0,
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0,
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&blockstore,
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&sys.get_stats(),
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);
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for i in 0..batches {
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let x = i * batch_size;
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let shreds = if pre_generate_data {
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generated_batches.pop_front().unwrap()
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} else {
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make_many_slot_entries(x, batch_size, entries_per_slot).0
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};
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blockstore.insert_shreds(shreds, None, false).unwrap();
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sender.send(x).unwrap();
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emit_stats(
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&time_initial,
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&mut time_previous,
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&mut storage_previous,
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x,
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batch_size,
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batch_size,
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max_ledger_shreds as i64,
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&blockstore,
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&sys.get_stats(),
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);
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if stop_size_bytes > 0 {
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if storage_previous >= stop_size_bytes {
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stop_size_bytes_exceeded_iterations += 1;
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} else {
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stop_size_bytes_exceeded_iterations = 0;
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}
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if stop_size_bytes_exceeded_iterations > stop_size_iterations {
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break;
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}
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}
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}
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let u1 = storage_previous;
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// send final `ledger_cleanup` notification (since iterations above are zero-based)
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sender.send(benchmark_slots).unwrap();
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emit_stats(
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&time_initial,
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&mut time_previous,
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&mut storage_previous,
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benchmark_slots,
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0,
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0,
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max_ledger_shreds as i64,
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&blockstore,
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&sys.get_stats(),
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);
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// Poll on some compaction happening
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let start_poll = Instant::now();
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while blockstore.storage_size().unwrap_or(0) >= u1 {
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if start_poll.elapsed().as_secs() > ROCKSDB_FLUSH_GRACE_PERIOD_SECS {
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break;
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}
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std::thread::sleep(Duration::from_millis(200));
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}
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emit_stats(
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&time_initial,
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&mut time_previous,
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&mut storage_previous,
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benchmark_slots,
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0,
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0,
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max_ledger_shreds as i64,
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&blockstore,
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&sys.get_stats(),
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);
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let u2 = storage_previous;
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exit.store(true, Ordering::SeqCst);
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cleaner.join().unwrap();
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exit_cpu.store(true, Ordering::SeqCst);
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sys.join().unwrap();
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if config.assert_compaction {
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assert!(u2 < u1, "expected compaction! pre={},post={}", u1, u2);
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}
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if config.cleanup_blockstore {
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drop(blockstore);
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Blockstore::destroy(&blockstore_path)
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.expect("Expected successful database destruction");
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}
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}
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#[test]
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fn test_compaction() {
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let blockstore_path = get_tmp_ledger_path!();
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let blockstore = Arc::new(Blockstore::open(&blockstore_path).unwrap());
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let n = 10_000;
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let batch_size = 100;
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let batches = n / batch_size;
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let max_ledger_shreds = 100;
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for i in 0..batches {
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let (shreds, _) = make_many_slot_entries(i * batch_size, batch_size, 1);
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blockstore.insert_shreds(shreds, None, false).unwrap();
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}
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let u1 = blockstore.storage_size().unwrap() as f64;
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// send signal to cleanup slots
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let (sender, receiver) = channel();
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sender.send(n).unwrap();
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let mut last_purge_slot = 0;
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let mut last_compaction_slot = 0;
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LedgerCleanupService::cleanup_ledger(
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&receiver,
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&blockstore,
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max_ledger_shreds,
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&mut last_purge_slot,
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10,
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None,
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&mut last_compaction_slot,
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10,
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)
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.unwrap();
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thread::sleep(Duration::from_secs(2));
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let u2 = blockstore.storage_size().unwrap() as f64;
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assert!(u2 < u1, "insufficient compaction! pre={},post={}", u1, u2,);
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// check that early slots don't exist
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let max_slot = n - max_ledger_shreds - 1;
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blockstore
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.slot_meta_iterator(0)
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.unwrap()
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.for_each(|(slot, _)| assert!(slot > max_slot));
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drop(blockstore);
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Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
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}
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}
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