Examples with DegradeRule com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule used on opensource projects

Example 16 with DegradeRule

use of com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule in project Sermant by huaweicloud.

the class CircuitBreakerRuleConverter method createRule.

private DegradeRule createRule(boolean isSlowRule, CircuitBreakerRule resilienceRule) {
    final DegradeRule degradeRule = new DegradeRule();
    degradeRule.setResource(resilienceRule.getName());
    degradeRule.setMinRequestAmount(resilienceRule.getMinimumNumberOfCalls());
    // CSE默认均为1分钟
    degradeRule.setTimeWindow((int) (CircuitBreakerRule.DEFAULT_WAIT_DURATION_IN_OPEN_STATUS_MS / CommonConst.S_MS_UNIT));
    degradeRule.setStatIntervalMs((int) resilienceRule.getParsedSlidingWindowSize());
    if (isSlowRule) {
        degradeRule.setGrade(RuleConstant.DEGRADE_GRADE_RT);
        degradeRule.setSlowRatioThreshold(resilienceRule.getSlowCallRateThreshold() / CommonConst.PERCENT);
        degradeRule.setCount(resilienceRule.getParsedSlowCallDurationThreshold());
    } else {
        degradeRule.setGrade(RuleConstant.DEGRADE_GRADE_EXCEPTION_RATIO);
        degradeRule.setCount(resilienceRule.getFailureRateThreshold() / CommonConst.PERCENT);
    }
    return degradeRule;
}

Example 17 with DegradeRule

use of com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule in project spring-cloud-alibaba by alibaba.

the class ReactiveSentinelCircuitBreaker method applyToSentinelRuleManager.

private void applyToSentinelRuleManager() {
    if (this.rules == null || this.rules.isEmpty()) {
        return;
    }
    Set<DegradeRule> ruleSet = new HashSet<>(DegradeRuleManager.getRules());
    for (DegradeRule rule : this.rules) {
        if (rule == null) {
            continue;
        }
        rule.setResource(resourceName);
        ruleSet.add(rule);
    }
    DegradeRuleManager.loadRules(new ArrayList<>(ruleSet));
}

Example 18 with DegradeRule

use of com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule in project spring-cloud-alibaba by alibaba.

the class SentinelCircuitBreaker method applyToSentinelRuleManager.

private void applyToSentinelRuleManager() {
    if (this.rules == null || this.rules.isEmpty()) {
        return;
    }
    Set<DegradeRule> ruleSet = new HashSet<>(DegradeRuleManager.getRules());
    for (DegradeRule rule : this.rules) {
        if (rule == null) {
            continue;
        }
        rule.setResource(resourceName);
        ruleSet.add(rule);
    }
    DegradeRuleManager.loadRules(new ArrayList<>(ruleSet));
}

Example 19 with DegradeRule

use of com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule in project spring-cloud-alibaba by alibaba.

the class SentinelCircuitBreakerTest method testCreateDirectlyThenRun.

@Test
public void testCreateDirectlyThenRun() {
    // Create a circuit breaker without any circuit breaking rules.
    CircuitBreaker cb = new SentinelCircuitBreaker("testSentinelCreateDirectlyThenRunA");
    assertThat(cb.run(() -> "Sentinel")).isEqualTo("Sentinel");
    assertThat(DegradeRuleManager.hasConfig("testSentinelCreateDirectlyThenRunA")).isFalse();
    CircuitBreaker cb2 = new SentinelCircuitBreaker("testSentinelCreateDirectlyThenRunB", Collections.singletonList(new DegradeRule("testSentinelCreateDirectlyThenRunB").setCount(100).setTimeWindow(10)));
    assertThat(cb2.run(() -> "Sentinel")).isEqualTo("Sentinel");
    assertThat(DegradeRuleManager.hasConfig("testSentinelCreateDirectlyThenRunB")).isTrue();
}

Example 20 with DegradeRule

use of com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule in project Sentinel by alibaba.

the class SlowRatioCircuitBreakerDemo method initDegradeRule.

private static void initDegradeRule() {
    List<DegradeRule> rules = new ArrayList<>();
    DegradeRule rule = new DegradeRule(KEY).setGrade(CircuitBreakerStrategy.SLOW_REQUEST_RATIO.getType()).setCount(50).setTimeWindow(10).setSlowRatioThreshold(0.6).setMinRequestAmount(100).setStatIntervalMs(20000);
    rules.add(rule);
    DegradeRuleManager.loadRules(rules);
    System.out.println("Degrade rule loaded: " + rules);
}