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Check for cached/persisted messages in parallel

This commit is contained in:
Jon Chambers 2024-07-30 10:54:31 -04:00 committed by Jon Chambers
parent 4ee67064bb
commit 56fdebde75
1 changed files with 22 additions and 3 deletions
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25
service/src/main/java/org/whispersystems/textsecuregcm/storage/MessagesManager.java
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@ -22,6 +22,7 @@ import org.reactivestreams.Publisher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.whispersystems.textsecuregcm.entities.MessageProtos.Envelope;
import org.whispersystems.textsecuregcm.metrics.MetricsUtil;
import org.whispersystems.textsecuregcm.util.Pair;
import reactor.core.observability.micrometer.Micrometer;
import reactor.core.publisher.Flux;
@ -37,6 +38,9 @@ public class MessagesManager {
private static final Counter PERSIST_MESSAGE_COUNTER = Metrics.counter(
name(MessagesManager.class, "persistMessage"));
private static final String MAY_HAVE_MESSAGES_COUNTER_NAME =
MetricsUtil.name(MessagesManager.class, "mayHaveMessages");
private final MessagesDynamoDb messagesDynamoDb;
private final MessagesCache messagesCache;
private final ReportMessageManager reportMessageManager;
@ -65,9 +69,24 @@ public class MessagesManager {
public CompletableFuture<Boolean> mayHaveMessages(final UUID destinationUuid, final Device destinationDevice) {
return messagesCache.hasMessagesAsync(destinationUuid, destinationDevice.getId())
.thenCompose(hasMessages -> hasMessages
? CompletableFuture.completedFuture(true)
: messagesDynamoDb.mayHaveMessages(destinationUuid, destinationDevice));
.thenCombine(messagesDynamoDb.mayHaveMessages(destinationUuid, destinationDevice),
(mayHaveCachedMessages, mayHavePersistedMessages) -> {
final String outcome;
if (mayHaveCachedMessages && mayHavePersistedMessages) {
outcome = "both";
} else if (mayHaveCachedMessages) {
outcome = "cached";
} else if (mayHavePersistedMessages) {
outcome = "persisted";
} else {
outcome = "none";
}
Metrics.counter(MAY_HAVE_MESSAGES_COUNTER_NAME, "outcome", outcome).increment();
return mayHaveCachedMessages || mayHavePersistedMessages;
});
}
public boolean hasCachedMessages(final UUID destinationUuid, final byte destinationDevice) {