def __init__(self, service, jvm_opts=None, merge_with_default=True):
"""
:param service: Service
:param jvm_opts: If passed will be added with higher priority to or overwrite completely the default options
depending on the merge_with_default. Either string or list of strings is allowed.
:param merge_with_default: If False jvm_opts will overide the default options completely. None of the
default options will be applied.
"""
self.service = service
self.jvm_opts = merge_jvm_settings(self.__get_default_jvm_opts() if merge_with_default else [],
jvm_opts if jvm_opts else [])
def check_merge_jvm_settings(self, settings, additionals, expected):
"""
Tests different variants of merge jvm settings.
"""
res = {}
for param in merge_jvm_settings(settings, additionals=additionals):
if param in res:
res[param] += 1
else:
res[param] = 1
assert res == expected
def __get_default_jvm_opts(self):
"""
Return a set of default JVM options.
"""
default_jvm_opts = create_jvm_settings(
gc_dump_path=os.path.join(self.service.log_dir, "gc.log"),
oom_path=os.path.join(self.service.log_dir, "out_of_mem.hprof"))
default_jvm_opts = merge_jvm_settings(default_jvm_opts, [
"-DIGNITE_SUCCESS_FILE=" +
os.path.join(self.service.persistent_root, "success_file"),
"-Dlog4j.configDebug=true"
])
if self.service.config and self.service.config.service_type == IgniteServiceType.THIN_CLIENT:
default_jvm_opts = merge_jvm_settings(default_jvm_opts, [
"-Dlog4j.configurationFile=file:" +
self.service.log_config_file
])
if self.service.context.globals.get(JFR_ENABLED, False):
default_jvm_opts = merge_jvm_settings(default_jvm_opts, [
"-XX:+UnlockCommercialFeatures", "-XX:+FlightRecorder",
"-XX:StartFlightRecording=dumponexit=true," +
f"filename={self.service.jfr_dir}/recording.jfr"
])
jmx_remote_params = get_jmx_remote_params(self.service.context.globals)
if jmx_remote_params.enabled:
default_jvm_opts = merge_jvm_settings(default_jvm_opts, [
"-Dcom.sun.management.jmxremote",
"-Dcom.sun.management.jmxremote.port=%d" %
jmx_remote_params.port,
"-Dcom.sun.management.jmxremote.local.only=false",
"-Dcom.sun.management.jmxremote.authenticate=false",
"-Dcom.sun.management.jmxremote.ssl=false"
])
return default_jvm_opts
def check_list(self):
"""
Checks list representation of JVM settings.
"""
jvm_settings = create_jvm_settings()
assert "-Xms" + DEFAULT_HEAP in jvm_settings
assert "-Xmx" + DEFAULT_HEAP in jvm_settings
jvm_settings = merge_jvm_settings(jvm_settings,
additionals="-Xms981M -Xmx981M")
assert "-Xms981M" in jvm_settings
assert "-Xmx981M" in jvm_settings
assert "-Xms" + DEFAULT_HEAP not in jvm_settings
assert "-Xmx" + DEFAULT_HEAP not in jvm_settings
jvm_settings = merge_jvm_settings(
jvm_settings, additionals="-XX:ParallelGCThreads=1024")
jvm_settings = merge_jvm_settings(
jvm_settings, additionals="-xx:ParallelGCThreads=512")
assert "-XX:ParallelGCThreads=1024" in jvm_settings
assert "-XX:ParallelGCThreads=512" not in jvm_settings
def _add_jvm_opts(self, opts):
"""Properly adds JVM options to current"""
self.jvm_opts = merge_jvm_settings(self.jvm_opts, opts)
def __init__(self, service, jvm_opts=None, merge_with_default=True):
super().__init__(
service,
merge_jvm_settings(self.__get_default_jvm_opts() if merge_with_default else [],
jvm_opts if jvm_opts else []),
merge_with_default)
