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#
#    http://www.apache.org/licenses/LICENSE-2.0
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from collections import namedtuple

from kafkatest.utils.remote_account import java_version
from kafkatest.version import LATEST_0_8_2, LATEST_0_9, LATEST_0_10_0, LATEST_0_10_1, LATEST_0_10_2, LATEST_0_11_0, LATEST_1_0

TopicPartition = namedtuple('TopicPartition', ['topic', 'partition'])

new_jdk_not_supported = frozenset([str(LATEST_0_8_2), str(LATEST_0_9), str(LATEST_0_10_0), str(LATEST_0_10_1), str(LATEST_0_10_2), str(LATEST_0_11_0), str(LATEST_1_0)])


def fix_opts_for_new_jvm(node):
    # Startup scripts for early versions of Kafka contains options
    # that not supported on latest versions of JVM like -XX:+PrintGCDateStamps or -XX:UseParNewGC.
    # When system test run on JVM that doesn't support these options
    # we should setup environment variables with correct options.
    java_ver = java_version(node)
    if java_ver <= 9:
        return ""

    cmd = ""
    if node.version == LATEST_0_8_2 or node.version == LATEST_0_9 or node.version == LATEST_0_10_0 or node.version == LATEST_0_10_1 or node.version == LATEST_0_10_2 or node.version == LATEST_0_11_0 or node.version == LATEST_1_0:
        cmd += "export KAFKA_GC_LOG_OPTS=\"-Xlog:gc*:file=kafka-gc.log:time,tags:filecount=10,filesize=102400\"; "
        cmd += "export KAFKA_JVM_PERFORMANCE_OPTS=\"-server -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+ExplicitGCInvokesConcurrent -XX:MaxInlineLevel=15 -Djava.awt.headless=true\"; "
    return cmd