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fix(indexing): wire PARALLEL_WORKERS config to indexing concurrency #1376

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Merged
Shashankss1205 merged 1 commit into from
Jul 31, 2026
Merged

fix(indexing): wire PARALLEL_WORKERS config to indexing concurrency #1376

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20 changes: 19 additions & 1 deletion src/codegraphcontext/tools/indexing/pipeline.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,24 @@
)


DEFAULT_PARALLEL_WORKERS = 10


def get_parallel_workers() -> int:
"""Resolve the indexing concurrency limit from the PARALLEL_WORKERS config.

Falls back to DEFAULT_PARALLEL_WORKERS when the value is unset or not a
usable positive integer, so a bad config never breaks indexing.
"""
from ...cli.config_manager import get_config_value

try:
workers = int(get_config_value("PARALLEL_WORKERS") or "")
except (TypeError, ValueError):
return DEFAULT_PARALLEL_WORKERS
return workers if workers > 0 else DEFAULT_PARALLEL_WORKERS


def build_index_summary(
files: List[Path],
parsers: Dict[str, str],
Expand Down Expand Up @@ -108,7 +126,7 @@ async def run_tree_sitter_index_async(
resolved_repo_path_str = path.resolve().as_posix() if path.is_dir() else path.parent.resolve().as_posix()

processed_count = 0
concurrency_limit = 10
concurrency_limit = get_parallel_workers()
semaphore = asyncio.Semaphore(concurrency_limit)

async def process_file(file: Path) -> Optional[Dict[str, Any]]:
Expand Down
27 changes: 27 additions & 0 deletions tests/unit/tools/test_pipeline_parallel_workers.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
"""Tests that the PARALLEL_WORKERS config drives indexing concurrency (#1340)."""
from unittest import mock

import pytest

from codegraphcontext.tools.indexing import pipeline


@pytest.mark.parametrize(
"config_value,expected",
[
("32", 32),
("1", 1),
("4", 4),
(None, pipeline.DEFAULT_PARALLEL_WORKERS),
("", pipeline.DEFAULT_PARALLEL_WORKERS),
("not-a-number", pipeline.DEFAULT_PARALLEL_WORKERS),
("0", pipeline.DEFAULT_PARALLEL_WORKERS),
("-5", pipeline.DEFAULT_PARALLEL_WORKERS),
],
)
def test_get_parallel_workers(config_value, expected):
with mock.patch(
"codegraphcontext.cli.config_manager.get_config_value",
return_value=config_value,
):
assert pipeline.get_parallel_workers() == expected
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