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Merged
merged 5 commits into from
Nov 28, 2025
Merged

refactor(schema-compiler): Drop support for disabling native workers … #10196

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a1c4287
refactor(schema-compiler): Drop support for disabling native workers …
ovr Nov 27, 2025
5264813
refactor(schema-compiler): Drop support for disabling native workers …
ovr Nov 27, 2025
cbf2a79
chore: lint
ovr Nov 28, 2025
c111015
chore(schema-compiler)!: Remove old blocking model compilation and ma…
KSDaemon Jun 2, 2025
f0508cb
chore: remove
ovr Nov 28, 2025
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1 change: 0 additions & 1 deletion .github/workflows/drivers-tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -369,7 +369,6 @@ jobs:
(contains(env.CLOUD_DATABASES, matrix.database) && env.DRIVERS_TESTS_ATHENA_CUBEJS_AWS_KEY != '') ||
(!contains(env.CLOUD_DATABASES, matrix.database))
env:
DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS: true
DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE: false
DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER: ${{ (github.event_name == 'workflow_dispatch' && github.event.inputs.use_tesseract_sql_planner) || matrix.use_tesseract_sql_planner }}

Expand Down
17 changes: 1 addition & 16 deletions docs/pages/product/configuration/reference/environment-variables.mdx
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Expand Up @@ -1467,21 +1467,6 @@ learn more.
| --------------- | ---------------------- | --------------------- |
| A valid number | 86400 | 86400 |

## `CUBEJS_TRANSPILATION_WORKER_THREADS`

If `true`, optimizes data model compilation by running critical parts of the
code in worker threads.

| Possible Values | Default in Development | Default in Production |
| --------------- | ---------------------- | --------------------- |
| `true`, `false` | `true` | `true` |

<ReferenceBox>

See [this issue](https://github.com/cube-js/cube/issues/9285) for details.

</ReferenceBox>

## `CUBEJS_WEB_SOCKETS`

If `true`, then use WebSocket for data fetching.
Expand Down Expand Up @@ -1911,4 +1896,4 @@ The port for a Cube deployment to listen to API connections on.
[ref-mdx-api-locale]: /product/apis-integrations/mdx-api#measure-format
[ref-time-dimensions]: /product/data-modeling/reference/dimensions#time
[ref-time-zone]: /product/apis-integrations/queries#time-zone
[link-tzdb]: https://en.wikipedia.org/wiki/Tz_database
[link-tzdb]: https://en.wikipedia.org/wiki/Tz_database
19 changes: 16 additions & 3 deletions packages/cubejs-backend-shared/src/env.ts
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Expand Up @@ -228,9 +228,19 @@ const variables: Record<string, (...args: any) => any> = {
nativeOrchestrator: () => get('CUBEJS_TESSERACT_ORCHESTRATOR')
.default('true')
.asBoolStrict(),
transpilationWorkerThreads: () => get('CUBEJS_TRANSPILATION_WORKER_THREADS')
.default('true')
.asBoolStrict(),
transpilationWorkerThreads: () => {
const enabled = get('CUBEJS_TRANSPILATION_WORKER_THREADS')
.default('true')
.asBoolStrict();

if (!enabled) {
console.warn(
'Worker thread transpilation is enabled by default and cannot be disabled with CUBEJS_TRANSPILATION_WORKER_THREADS.'
);
}

return true;
},
allowNonStrictDateRangeMatching: () => get('CUBEJS_PRE_AGGREGATIONS_ALLOW_NON_STRICT_DATE_RANGE_MATCH')
.default('true')
.asBoolStrict(),
Expand Down Expand Up @@ -2186,6 +2196,9 @@ export function getEnv<T extends keyof Vars>(key: T, opts?: Parameters<Vars[T]>)
);
}

// trigger warning
getEnv('transpilationWorkerThreads');

export function isDockerImage(): boolean {
return Boolean(process.env.CUBEJS_DOCKER_IMAGE_TAG);
}
63 changes: 14 additions & 49 deletions packages/cubejs-schema-compiler/src/compiler/DataSchemaCompiler.ts
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Expand Up @@ -5,9 +5,6 @@ import fs from 'fs';
import os from 'os';
import path from 'path';
import syntaxCheck from 'syntax-error';
import { parse } from '@babel/parser';
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@ovr ovr Nov 27, 2025

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Good side effect: Cube cloud runtime will not load babel anymore

import babelGenerator from '@babel/generator';
import babelTraverse from '@babel/traverse';
import R from 'ramda';
import workerpool from 'workerpool';
import { LRUCache } from 'lru-cache';
Expand Down Expand Up @@ -275,12 +272,11 @@ export class DataSchemaCompiler {
const errorsReport = new ErrorReporter(null, [], this.errorReportOptions);
this.errorsReporter = errorsReport;

const transpilationWorkerThreads = getEnv('transpilationWorkerThreads');
const transpilationNative = getEnv('transpilationNative');
const transpilationNativeThreadsCount = getThreadsCount();
const { compilerId } = this;

if (transpilationWorkerThreads) {
if (!transpilationNative) {
const wc = getEnv('transpilationWorkerThreadsCount');
this.workerPool = workerpool.pool(
path.join(__dirname, 'transpilers/transpiler_worker'),
Expand All @@ -292,11 +288,10 @@ export class DataSchemaCompiler {
let cubeNames: string[] = [];
let cubeSymbols: Record<string, Record<string, boolean>> = {};
let transpilerNames: string[] = [];
let results: (FileContent | undefined)[];

if (transpilationNative || transpilationWorkerThreads) {
({ cubeNames, cubeSymbols, transpilerNames } = this.prepareTranspileSymbols());
}
({ cubeNames, cubeSymbols, transpilerNames } = this.prepareTranspileSymbols());

let results: (FileContent | undefined)[];

if (transpilationNative) {
const jsFiles = originalJsFiles;
Expand Down Expand Up @@ -325,28 +320,25 @@ export class DataSchemaCompiler {
.map(f => this.transpileJinjaFile(f, errorsReport, { cubeNames, cubeSymbols, transpilerNames }));

results = (await Promise.all([...jsFilesTasks, ...yamlFilesTasks, ...jinjaFilesTasks])).flat();
} else if (transpilationWorkerThreads) {
results = await Promise.all(toCompile.map(f => this.transpileFile(f, errorsReport, { cubeNames, cubeSymbols, transpilerNames })));
} else {
results = await Promise.all(toCompile.map(f => this.transpileFile(f, errorsReport, {})));
results = await Promise.all(toCompile.map(f => this.transpileFile(f, errorsReport, { cubeNames, cubeSymbols, transpilerNames })));
}

return results.filter(f => !!f) as FileContent[];
};

const transpilePhase = async (stage: CompileStage): Promise<FileContent[]> => {
let cubeNames: string[] = [];
let cubeSymbols: Record<string, Record<string, boolean>> = {};
let transpilerNames: string[] = [];
let results: (FileContent | undefined)[];

if (toCompile.length === 0) {
return [];
}

if (transpilationNative || transpilationWorkerThreads) {
({ cubeNames, cubeSymbols, transpilerNames } = this.prepareTranspileSymbols());
}
let cubeNames: string[] = [];
let cubeSymbols: Record<string, Record<string, boolean>> = {};
let transpilerNames: string[] = [];

({ cubeNames, cubeSymbols, transpilerNames } = this.prepareTranspileSymbols());

// After the first phase all files are with JS source code: original or transpiled

Expand All @@ -363,10 +355,8 @@ export class DataSchemaCompiler {
const jsFilesTasks = jsChunks.map(chunk => this.transpileJsFilesNativeBulk(chunk, errorsReport, { transpilerNames, compilerId }));

results = (await Promise.all(jsFilesTasks)).flat();
} else if (transpilationWorkerThreads) {
results = await Promise.all(toCompile.map(f => this.transpileJsFile(f, errorsReport, { cubeNames, cubeSymbols, transpilerNames })));
} else {
results = await Promise.all(toCompile.map(f => this.transpileJsFile(f, errorsReport, {})));
results = await Promise.all(toCompile.map(f => this.transpileJsFile(f, errorsReport, { cubeNames, cubeSymbols, transpilerNames })));
}

return results.filter(f => !!f) as FileContent[];
Expand Down Expand Up @@ -520,7 +510,7 @@ export class DataSchemaCompiler {
errorsReport,
{ cubeNames: [], cubeSymbols: {}, transpilerNames: [], contextSymbols: {}, compilerId: this.compilerId, stage: 0 }
).then(() => undefined);
} else if (transpilationWorkerThreads && this.workerPool) {
} else if (this.workerPool) {
this.workerPool.terminate();
}
});
Expand Down Expand Up @@ -701,7 +691,7 @@ export class DataSchemaCompiler {
errorsReport.exitFile();

return { ...file, content: res[0].code };
} else if (getEnv('transpilationWorkerThreads')) {
} else {
const data = {
fileName: file.fileName,
content: file.content,
Expand All @@ -715,25 +705,6 @@ export class DataSchemaCompiler {
errorsReport.addWarnings(res.warnings);

return { ...file, content: res.content };
} else {
const ast = parse(
file.content,
{
sourceFilename: file.fileName,
sourceType: 'module',
plugins: ['objectRestSpread'],
},
);

errorsReport.inFile(file);
this.transpilers.forEach((t) => {
babelTraverse(ast, t.traverseObject(errorsReport));
});
errorsReport.exitFile();

const content = babelGenerator(ast, {}, file.content).code;

return { ...file, content };
}
} catch (e: any) {
if (e.toString().indexOf('SyntaxError') !== -1) {
Expand Down Expand Up @@ -778,7 +749,7 @@ export class DataSchemaCompiler {
this.compiledYamlCache.set(cacheKey, res[0].code);

return { ...file, content: res[0].code };
} else if (getEnv('transpilationWorkerThreads')) {
} else {
const data = {
fileName: file.fileName,
content: file.content,
Expand All @@ -794,12 +765,6 @@ export class DataSchemaCompiler {
this.compiledYamlCache.set(cacheKey, res.content);

return { ...file, content: res.content };
} else {
const transpiledFile = this.yamlCompiler.transpileYamlFile(file, errorsReport);

this.compiledYamlCache.set(cacheKey, transpiledFile?.content || '');

return transpiledFile;
}
}

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1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/athena.json
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Expand Up @@ -17,7 +17,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"ports" : ["4000", "5656"]
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/bigquery.json
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Expand Up @@ -19,7 +19,6 @@
"CUBEJS_DB_EXPORT_BUCKET": "cube-open-source-export-bucket",
"CUBEJS_DB_EXPORT_BUCKET_TYPE": "gcp",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"ports" : ["4000", "5656"]
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/clickhouse.json
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Expand Up @@ -38,7 +38,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"depends_on": ["data"],
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/databricks-jdbc.json
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Expand Up @@ -79,7 +79,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"ports" : ["4000", "5656"]
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1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/mssql.json
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Expand Up @@ -13,7 +13,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"depends_on": ["data"],
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/mysql.json
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Expand Up @@ -14,7 +14,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"depends_on": ["data"],
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/postgres.json
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Expand Up @@ -14,7 +14,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"depends_on": ["data"],
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/redshift.json
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Expand Up @@ -32,7 +32,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"ports" : ["4000", "5656"]
Expand Down
1 change: 0 additions & 1 deletion packages/cubejs-testing-drivers/fixtures/snowflake.json
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Expand Up @@ -118,7 +118,6 @@
"CUBEJS_SQL_PASSWORD": "admin_password",
"CUBESQL_SQL_PUSH_DOWN": "true",
"CUBEJS_TESSERACT_SQL_PLANNER": "${DRIVERS_TESTS_CUBEJS_TESSERACT_SQL_PLANNER}",
"CUBEJS_TRANSPILATION_WORKER_THREADS": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_WORKER_THREADS}",
"CUBEJS_TRANSPILATION_NATIVE": "${DRIVERS_TESTS_CUBEJS_TRANSPILATION_NATIVE}"
},
"ports" : ["4000", "5656"]
Expand Down
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