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Added ability to specify timeout unit in RequestRetryOptions #17628

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Nov 18, 2020
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@
import java.net.URL;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.time.Duration;
import java.time.OffsetDateTime;
import java.time.temporal.ChronoUnit;
import java.util.concurrent.TimeoutException;
Expand Down Expand Up @@ -288,9 +287,9 @@ public Mono<HttpResponse> send(HttpRequest request) {
switch (this.factory.tryNumber) {
case 1:
case 2:
return RETRY_TEST_OK_RESPONSE.delaySubscription(Duration.ofSeconds(options.getTryTimeout() + 1));
return RETRY_TEST_OK_RESPONSE.delaySubscription(options.getTryTimeoutDuration().plusSeconds(1));
case 3:
return RETRY_TEST_OK_RESPONSE.delaySubscription(Duration.ofSeconds(options.getTryTimeout() - 1));
return RETRY_TEST_OK_RESPONSE.delaySubscription(options.getTryTimeoutDuration().minusSeconds(1));
default:
throw new IllegalArgumentException("Continued retrying after success");
}
Expand Down Expand Up @@ -362,9 +361,9 @@ private long calcPrimaryDelay(int tryNumber) {
switch (this.factory.retryTestScenario) {
case RETRY_TEST_SCENARIO_EXPONENTIAL_TIMING:
return (long) Math.ceil(
((pow(2L, tryNumber - 1) - 1L) * this.factory.options.getRetryDelayInMs()) / 1000);
((pow(2L, tryNumber - 1) - 1L) * this.factory.options.getRetryDelay().toMillis()) / 1000);
case RETRY_TEST_SCENARIO_FIXED_TIMING:
return (long) Math.ceil(this.factory.options.getRetryDelayInMs() / 1000);
return (long) Math.ceil(this.factory.options.getRetryDelay().toMillis() / 1000);
default:
throw new IllegalArgumentException("Invalid test scenario");
}
Expand Down Expand Up @@ -408,9 +407,9 @@ private Mono<HttpResponse> testDelayBounds(int primaryTryNumber, boolean tryingP
private Mono<HttpResponse> testMaxDelayBounds(Mono<HttpResponse> response) {
return Mono.defer(() -> Mono.fromCallable(() -> {
OffsetDateTime now = OffsetDateTime.now();
if (now.isAfter(factory.time.plusSeconds((long) Math.ceil((factory.options.getMaxRetryDelayInMs() / 1000) + 1)))) {
if (now.isAfter(factory.time.plusSeconds((long) Math.ceil((factory.options.getMaxRetryDelay().toMillis() / 1000) + 1)))) {
throw new IllegalArgumentException("Max retry delay exceeded");
} else if (now.isBefore(factory.time.plusSeconds((long) Math.ceil((factory.options.getMaxRetryDelayInMs() / 1000) - 1)))) {
} else if (now.isBefore(factory.time.plusSeconds((long) Math.ceil((factory.options.getMaxRetryDelay().toMillis() / 1000) - 1)))) {
throw new IllegalArgumentException("Retry did not delay long enough");
}

Expand Down
2 changes: 1 addition & 1 deletion sdk/storage/azure-storage-common/CHANGELOG.md
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
# Release History

## 12.10.0-beta.1 (Unreleased)

- Added ability to specify timeout units in RequestRetryOptions.

## 12.9.0 (2020-11-11)
- GA release
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,8 @@
import com.azure.core.util.logging.ClientLogger;

import com.azure.storage.common.implementation.StorageImplUtils;
import java.util.concurrent.TimeUnit;

import java.time.Duration;

/**
* Configuration options for {@link RequestRetryPolicy}.
Expand All @@ -16,18 +17,17 @@ public final class RequestRetryOptions {
private final ClientLogger logger = new ClientLogger(RequestRetryOptions.class);

private final int maxTries;
private final int tryTimeout;
private final long retryDelayInMs;
private final long maxRetryDelayInMs;
private final Duration tryTimeout;
private final Duration retryDelay;
private final Duration maxRetryDelay;
private final RetryPolicyType retryPolicyType;
private final String secondaryHost;

/**
* Configures how the {@link HttpPipeline} should retry requests.
*/
public RequestRetryOptions() {
this(RetryPolicyType.EXPONENTIAL, null,
null, null, null, null);
this(RetryPolicyType.EXPONENTIAL, null, (Integer) null, null, null, null);
}

/**
Expand All @@ -36,8 +36,8 @@ public RequestRetryOptions() {
* @param retryPolicyType Optional. A {@link RetryPolicyType} specifying the type of retry pattern to use, default
* value is {@link RetryPolicyType#EXPONENTIAL EXPONENTIAL}.
* @param maxTries Optional. Maximum number of attempts an operation will be retried, default is {@code 4}.
* @param tryTimeout Optional. Specified the maximum time allowed before a request is cancelled and assumed failed,
* default is {@link Integer#MAX_VALUE}.
* @param tryTimeoutInSeconds Optional. Specified the maximum time allowed before a request is cancelled and
* assumed failed, default is {@link Integer#MAX_VALUE} s.
*
* <p>This value should be based on the bandwidth available to the host machine and proximity to the Storage
* service, a good starting point may be 60 seconds per MB of anticipated payload size.</p>
Expand All @@ -55,8 +55,40 @@ public RequestRetryOptions() {
* or non-null or {@code retryPolicyType} isn't {@link RetryPolicyType#EXPONENTIAL}
* or {@link RetryPolicyType#FIXED}.
*/
public RequestRetryOptions(RetryPolicyType retryPolicyType, Integer maxTries, Integer tryTimeout,
public RequestRetryOptions(RetryPolicyType retryPolicyType, Integer maxTries, Integer tryTimeoutInSeconds,
Long retryDelayInMs, Long maxRetryDelayInMs, String secondaryHost) {
this(retryPolicyType, maxTries, tryTimeoutInSeconds == null ? null : Duration.ofSeconds(tryTimeoutInSeconds),
retryDelayInMs == null ? null : Duration.ofMillis(retryDelayInMs),
maxRetryDelayInMs == null ? null : Duration.ofMillis(maxRetryDelayInMs), secondaryHost);
}

/**
* Configures how the {@link HttpPipeline} should retry requests.
*
* @param retryPolicyType Optional. A {@link RetryPolicyType} specifying the type of retry pattern to use, default
* value is {@link RetryPolicyType#EXPONENTIAL EXPONENTIAL}.
* @param maxTries Optional. Maximum number of attempts an operation will be retried, default is {@code 4}.
* @param tryTimeout Optional. Specified the maximum time allowed before a request is cancelled and
* assumed failed, default is {@link Integer#MAX_VALUE}.
*
* <p>This value should be based on the bandwidth available to the host machine and proximity to the Storage
* service, a good starting point may be 60 seconds per MB of anticipated payload size.</p>
* @param retryDelay Optional. Specifies the amount of delay to use before retrying an operation, default value
* is {@code 4ms} when {@code retryPolicyType} is {@link RetryPolicyType#EXPONENTIAL EXPONENTIAL} and {@code 30ms}
* when {@code retryPolicyType} is {@link RetryPolicyType#FIXED FIXED}.
* @param maxRetryDelay Optional. Specifies the maximum delay allowed before retrying an operation, default
* value is {@code 120ms}.
* @param secondaryHost Optional. Specified a secondary Storage account to retry requests against, default is none.
*
* <p>Before setting this understand the issues around reading stale and potentially-inconsistent data, view these
* <a href=https://docs.microsoft.com/en-us/azure/storage/common/storage-designing-ha-apps-with-ragrs>Azure Docs</a>
* for more information.</p>
* @throws IllegalArgumentException If {@code getRetryDelayInMs} and {@code getMaxRetryDelayInMs} are not both null
* or non-null or {@code retryPolicyType} isn't {@link RetryPolicyType#EXPONENTIAL}
* or {@link RetryPolicyType#FIXED}.
*/
public RequestRetryOptions(RetryPolicyType retryPolicyType, Integer maxTries, Duration tryTimeout,
Duration retryDelay, Duration maxRetryDelay, String secondaryHost) {
this.retryPolicyType = retryPolicyType == null ? RetryPolicyType.EXPONENTIAL : retryPolicyType;
if (maxTries != null) {
StorageImplUtils.assertInBounds("maxRetries", maxTries, 1, Integer.MAX_VALUE);
Expand All @@ -66,40 +98,43 @@ public RequestRetryOptions(RetryPolicyType retryPolicyType, Integer maxTries, In
}

if (tryTimeout != null) {
StorageImplUtils.assertInBounds("tryTimeout", tryTimeout, 1, Integer.MAX_VALUE);
StorageImplUtils.assertInBounds("'tryTimeout' in seconds", tryTimeout.getSeconds(), 1,
Integer.MAX_VALUE);
this.tryTimeout = tryTimeout;
} else {
/*
Because this timeout applies to the whole operation, and calculating a meaningful timeout for read/write
operations must consider the size of the payload, we can't set a meaningful default value for all requests
and therefore default to no timeout.
*/
this.tryTimeout = Integer.MAX_VALUE;
this.tryTimeout = Duration.ofSeconds(Integer.MAX_VALUE);
}

if ((retryDelayInMs == null && maxRetryDelayInMs != null)
|| (retryDelayInMs != null && maxRetryDelayInMs == null)) {
if ((retryDelay == null && maxRetryDelay != null)
|| (retryDelay != null && maxRetryDelay == null)) {
throw logger.logExceptionAsError(
new IllegalArgumentException("Both retryDelay and maxRetryDelay must be null or neither can be null"));
}

if (retryDelayInMs != null) {
StorageImplUtils.assertInBounds("maxRetryDelayInMs", maxRetryDelayInMs, 1, Long.MAX_VALUE);
StorageImplUtils.assertInBounds("retryDelayInMs", retryDelayInMs, 1, maxRetryDelayInMs);
this.maxRetryDelayInMs = maxRetryDelayInMs;
this.retryDelayInMs = retryDelayInMs;
if (retryDelay != null) {
StorageImplUtils.assertInBounds("'maxRetryDelay' in milliseconds", maxRetryDelay.toMillis(), 1,
Long.MAX_VALUE);
StorageImplUtils.assertInBounds("'retryDelay' in milliseconds", retryDelay.toMillis(), 1,
maxRetryDelay.toMillis());
this.maxRetryDelay = maxRetryDelay;
this.retryDelay = retryDelay;
} else {
switch (this.retryPolicyType) {
case EXPONENTIAL:
this.retryDelayInMs = TimeUnit.SECONDS.toMillis(4);
this.retryDelay = Duration.ofSeconds(4);
break;
case FIXED:
this.retryDelayInMs = TimeUnit.SECONDS.toMillis(30);
this.retryDelay = Duration.ofSeconds(30);
break;
default:
throw logger.logExceptionAsError(new IllegalArgumentException("Invalid 'RetryPolicyType'."));
}
this.maxRetryDelayInMs = TimeUnit.SECONDS.toMillis(120);
this.maxRetryDelay = Duration.ofSeconds(120);
}
this.secondaryHost = secondaryHost;
}
Expand All @@ -113,8 +148,17 @@ public int getMaxTries() {

/**
* @return the maximum time, in seconds, allowed for a request until it is considered timed out.
* @deprecated Please use {@link RequestRetryOptions#getTryTimeoutDuration()}
*/
@Deprecated
public int getTryTimeout() {
return (int) this.tryTimeout.getSeconds();
}

/**
* @return the maximum time, in seconds, allowed for a request until it is considered timed out.
*/
public Duration getTryTimeoutDuration() {
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Any better ideas for this? :(

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I think this is consistent with what we did for like blockSizeLong, so I think it's fine.

return this.tryTimeout;
}

Expand All @@ -128,16 +172,34 @@ public String getSecondaryHost() {

/**
* @return the delay in milliseconds between each retry attempt.
* @deprecated Please use {@link RequestRetryOptions#getTryTimeoutDuration()}
*/
@Deprecated
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Do we need to deprecate the getters?

public long getRetryDelayInMs() {
return retryDelayInMs;
return retryDelay.toMillis();
}

/**
* @return the delay between each retry attempt.
*/
public Duration getRetryDelay() {
return retryDelay;
}

/**
* @return the maximum delay in milliseconds allowed between each retry.
* @deprecated Please use {@link RequestRetryOptions#getTryTimeoutDuration()}
*/
@Deprecated
public long getMaxRetryDelayInMs() {
return maxRetryDelayInMs;
return maxRetryDelay.toMillis();
}

/**
* @return the maximum delay allowed between each retry.
*/
public Duration getMaxRetryDelay() {
return maxRetryDelay;
}

/**
Expand All @@ -150,18 +212,18 @@ long calculateDelayInMs(int tryCount) {
long delay;
switch (this.retryPolicyType) {
case EXPONENTIAL:
delay = (powOfTwo(tryCount - 1) - 1L) * this.retryDelayInMs;
delay = (powOfTwo(tryCount - 1) - 1L) * this.retryDelay.toMillis();
break;

case FIXED:
// The first try should have zero delay. Every other try has the fixed value
delay = tryCount > 1 ? this.retryDelayInMs : 0;
delay = tryCount > 1 ? this.retryDelay.toMillis() : 0;
break;
default:
throw logger.logExceptionAsError(new IllegalArgumentException("Invalid retry policy type."));
}

return Math.min(delay, this.maxRetryDelayInMs);
return Math.min(delay, this.maxRetryDelay.toMillis());
}

private long powOfTwo(int exponent) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ stream, the buffers that were emitted will have already been consumed (their pos
until after the retry backoff delay, so we call delaySubscription.
*/
return next.clone().process()
.timeout(Duration.ofSeconds(this.requestRetryOptions.getTryTimeout()))
.timeout(this.requestRetryOptions.getTryTimeoutDuration())
.delaySubscription(Duration.ofMillis(delayMs))
.flatMap(response -> {
boolean newConsiderSecondary = considerSecondary;
Expand Down