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Fix issue where circuit breaker was always reset to 80% upon startup

This commit is contained in:
Lee Hinman 2014-03-03 15:15:40 -07:00
parent 2c7a3a49c5
commit 60f5cf55f3
1 changed files with 7 additions and 7 deletions
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14
src/main/java/org/elasticsearch/indices/fielddata/breaker/InternalCircuitBreakerService.java
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@ -41,16 +41,16 @@ public class InternalCircuitBreakerService extends AbstractLifecycleComponent<In
private static final String DEFAULT_BREAKER_LIMIT = "80%"; private static final String DEFAULT_BREAKER_LIMIT = "80%";
private volatile MemoryCircuitBreaker breaker; private volatile MemoryCircuitBreaker breaker;
private volatile long maxBytes; private volatile ByteSizeValue maxBytes;
private volatile double overhead; private volatile double overhead;
@Inject @Inject
public InternalCircuitBreakerService(Settings settings, NodeSettingsService nodeSettingsService) { public InternalCircuitBreakerService(Settings settings, NodeSettingsService nodeSettingsService) {
super(settings); super(settings);
this.maxBytes = settings.getAsMemory(CIRCUIT_BREAKER_MAX_BYTES_SETTING, DEFAULT_BREAKER_LIMIT).bytes(); this.maxBytes = settings.getAsMemory(CIRCUIT_BREAKER_MAX_BYTES_SETTING, DEFAULT_BREAKER_LIMIT);
this.overhead = settings.getAsDouble(CIRCUIT_BREAKER_OVERHEAD_SETTING, DEFAULT_OVERHEAD_CONSTANT); this.overhead = settings.getAsDouble(CIRCUIT_BREAKER_OVERHEAD_SETTING, DEFAULT_OVERHEAD_CONSTANT);
this.breaker = new MemoryCircuitBreaker(new ByteSizeValue(maxBytes), overhead, null, logger); this.breaker = new MemoryCircuitBreaker(maxBytes, overhead, null, logger);
nodeSettingsService.addListener(new ApplySettings()); nodeSettingsService.addListener(new ApplySettings());
} }
@ -59,12 +59,12 @@ public class InternalCircuitBreakerService extends AbstractLifecycleComponent<In
@Override @Override
public void onRefreshSettings(Settings settings) { public void onRefreshSettings(Settings settings) {
// clear breaker now that settings have changed // clear breaker now that settings have changed
long newMaxByteSizeValue = settings.getAsMemory(CIRCUIT_BREAKER_MAX_BYTES_SETTING, DEFAULT_BREAKER_LIMIT).bytes(); ByteSizeValue newMaxByteSizeValue = settings.getAsMemory(CIRCUIT_BREAKER_MAX_BYTES_SETTING, maxBytes.toString());
boolean breakerResetNeeded = false; boolean breakerResetNeeded = false;
if (newMaxByteSizeValue != maxBytes) { if (!newMaxByteSizeValue.equals(maxBytes)) {
logger.info("updating [{}] from [{}] to [{}]", CIRCUIT_BREAKER_MAX_BYTES_SETTING, logger.info("updating [{}] from [{}] to [{}]", CIRCUIT_BREAKER_MAX_BYTES_SETTING,
new ByteSizeValue(InternalCircuitBreakerService.this.maxBytes), newMaxByteSizeValue); InternalCircuitBreakerService.this.maxBytes, newMaxByteSizeValue.bytes());
maxBytes = newMaxByteSizeValue; maxBytes = newMaxByteSizeValue;
breakerResetNeeded = true; breakerResetNeeded = true;
} }
@ -99,7 +99,7 @@ public class InternalCircuitBreakerService extends AbstractLifecycleComponent<In
public synchronized void resetBreaker() { public synchronized void resetBreaker() {
final MemoryCircuitBreaker oldBreaker = this.breaker; final MemoryCircuitBreaker oldBreaker = this.breaker;
// discard old breaker by creating a new one and pre-populating from the current breaker // discard old breaker by creating a new one and pre-populating from the current breaker
this.breaker = new MemoryCircuitBreaker(new ByteSizeValue(maxBytes), overhead, oldBreaker, logger); this.breaker = new MemoryCircuitBreaker(maxBytes, overhead, oldBreaker, logger);
} }
@Override @Override