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fix: parallelize re-org update queries #1835

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merged 2 commits into from
Jan 19, 2024
Merged

fix: parallelize re-org update queries #1835

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b9e7124
fix: parallelize re-org update queries
rafaelcr Jan 18, 2024
0184ba5
chore: docs
rafaelcr Jan 18, 2024
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21 changes: 20 additions & 1 deletion src/datastore/helpers.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { parseEnum, unwrapOptionalProp } from '../helpers';
import { getUintEnvOrDefault, parseEnum, unwrapOptionalProp } from '../helpers';
import {
BlockQueryResult,
ContractTxQueryResult,
Expand Down Expand Up @@ -66,6 +66,7 @@ import { PgStoreEventEmitter } from './pg-store-event-emitter';
import { SyntheticPoxEventName } from '../pox-helpers';
import { logger } from '../logger';
import { PgSqlClient } from '@hirosystems/api-toolkit';
import PQueue from 'p-queue';

export const TX_COLUMNS = [
'tx_id',
Expand Down Expand Up @@ -1335,3 +1336,21 @@ export function newReOrgUpdatedEntities(): ReOrgUpdatedEntities {
restoredMempoolTxs: 0,
};
}

/**
* Priority queue for parallel Postgres write query execution. This helps performance because it
* parallelizes the work postgres.js has to do when serializing JS types to PG types.
*/
export class PgWriteQueue {
readonly queue: PQueue;
constructor() {
const concurrency = Math.max(1, getUintEnvOrDefault('STACKS_BLOCK_DATA_INSERT_CONCURRENCY', 4));
this.queue = new PQueue({ concurrency, autoStart: true });
}
enqueue(task: Parameters<PQueue['add']>[0]): void {
void this.queue.add(task);
}
done(): Promise<void> {
return this.queue.onIdle();
}
}
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