Page MenuHomeSoftware Heritage
Files F9343984

config.py
No OneTemporary
Actions

config.py
View Options

# Copyright (C) 2019 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
import logging
from pathlib import Path
import sys
import psutil
def find_graph_jar():
"""find swh-graph.jar, containing the Java part of swh-graph
look both in development directories and installed data (for in-production
deployments who fecthed the JAR from pypi)
"""
swh_graph_root = Path(__file__).parents[2]
try_paths = [
swh_graph_root / "java/target/",
Path(sys.prefix) / "share/swh-graph/",
Path(sys.prefix) / "local/share/swh-graph/",
]
for path in try_paths:
glob = list(path.glob("swh-graph-*.jar"))
if glob:
if len(glob) > 1:
logging.warning(
"found multiple swh-graph JARs, " "arbitrarily picking one"
)
logging.info("using swh-graph JAR: {0}".format(glob[0]))
return str(glob[0])
raise RuntimeError("swh-graph JAR not found. Have you run `make java`?")
def check_config(conf):
"""check configuration and propagate defaults"""
conf = conf.copy()
if "batch_size" not in conf:
# Use 0.1% of the RAM as a batch size:
# ~1 billion for big servers, ~10 million for small desktop machines
conf["batch_size"] = min(int(psutil.virtual_memory().total / 1000), 2**30 - 1)
if "llp_gammas" not in conf:
conf["llp_gammas"] = "-0,-1,-2,-3,-4"
if "max_ram" not in conf:
conf["max_ram"] = str(int(psutil.virtual_memory().total * 0.9))
if "java_tool_options" not in conf:
conf["java_tool_options"] = " ".join(
[
"-Xmx{max_ram}",
"-XX:PretenureSizeThreshold=512M",
"-XX:MaxNewSize=4G",
"-XX:+UseLargePages",
"-XX:+UseTransparentHugePages",
"-XX:+UseNUMA",
"-XX:+UseTLAB",
"-XX:+ResizeTLAB",
]
)
conf["java_tool_options"] = conf["java_tool_options"].format(
max_ram=conf["max_ram"]
)
if "java" not in conf:
conf["java"] = "java"
if "classpath" not in conf:
conf["classpath"] = find_graph_jar()
return conf
def check_config_compress(config, graph_name, in_dir, out_dir):
"""check compression-specific configuration and initialize its execution
environment.
"""
conf = check_config(config)
conf["graph_name"] = graph_name
conf["in_dir"] = str(in_dir)
conf["out_dir"] = str(out_dir)
out_dir.mkdir(parents=True, exist_ok=True)
if "tmp_dir" not in conf:
tmp_dir = out_dir / "tmp"
conf["tmp_dir"] = str(tmp_dir)
else:
tmp_dir = Path(conf["tmp_dir"])
tmp_dir.mkdir(parents=True, exist_ok=True)
if "logback" not in conf:
logback_confpath = tmp_dir / "logback.xml"
with open(logback_confpath, "w") as conffile:
conffile.write(
"""
<configuration>
<appender name="STDERR" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d %r %p [%t] %logger{1} - %m%n</pattern>
</encoder>
<target>System.err</target>
</appender>
<root level="INFO">
<appender-ref ref="STDERR"/>
</root>
</configuration>
"""
)
conf["logback"] = str(logback_confpath)
conf["java_tool_options"] += " -Dlogback.configurationFile={logback}"
conf["java_tool_options"] += " -Djava.io.tmpdir={tmp_dir}"
conf["java_tool_options"] = conf["java_tool_options"].format(
logback=conf["logback"],
tmp_dir=conf["tmp_dir"],
)
return conf

File Metadata

Mime Type
text/x-python
Expires
Fri, Jul 4, 2:01 PM (1 d, 21 h ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
3349860

Event Timeline

About · Developer information · Legal