congbobo184 commented on code in PR #18293:
URL: https://github.com/apache/pulsar/pull/18293#discussion_r1015179877
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/schema/SchemaRegistryServiceImpl.java:
##########
@@ -181,56 +183,85 @@ public
CompletableFuture<List<CompletableFuture<SchemaAndMetadata>>> getAllSchem
@NotNull
public CompletableFuture<SchemaVersion> putSchemaIfAbsent(String schemaId,
SchemaData schema,
SchemaCompatibilityStrategy strategy) {
- return
trimDeletedSchemaAndGetList(schemaId).thenCompose(schemaAndMetadataList ->
- getSchemaVersionBySchemaData(schemaAndMetadataList,
schema).thenCompose(schemaVersion -> {
- if (schemaVersion != null) {
- if (log.isDebugEnabled()) {
- log.debug("[{}] Schema is already exists", schemaId);
- }
- return CompletableFuture.completedFuture(schemaVersion);
- }
- CompletableFuture<Void> checkCompatibilityFuture = new
CompletableFuture<>();
- if (schemaAndMetadataList.size() != 0) {
- if (isTransitiveStrategy(strategy)) {
- checkCompatibilityFuture =
- checkCompatibilityWithAll(schemaId, schema,
strategy, schemaAndMetadataList);
- } else {
- checkCompatibilityFuture =
checkCompatibilityWithLatest(schemaId, schema, strategy);
- }
- } else {
- checkCompatibilityFuture.complete(null);
- }
- return checkCompatibilityFuture.thenCompose(v -> {
- byte[] context =
hashFunction.hashBytes(schema.getData()).asBytes();
- SchemaRegistryFormat.SchemaInfo info =
SchemaRegistryFormat.SchemaInfo.newBuilder()
-
.setType(Functions.convertFromDomainType(schema.getType()))
- .setSchema(ByteString.copyFrom(schema.getData()))
- .setSchemaId(schemaId)
- .setUser(schema.getUser())
- .setDeleted(false)
- .setTimestamp(clock.millis())
- .addAllProps(toPairs(schema.getProps()))
- .build();
-
- long start = this.clock.millis();
-
- return schemaStorage
- .put(schemaId, info.toByteArray(), context)
- .whenComplete((__, t) -> {
- if (t != null) {
- log.error("[{}] Put schema failed", schemaId);
- this.stats.recordPutFailed(schemaId);
- } else {
- if (log.isDebugEnabled()) {
- log.debug("[{}] Put schema finished",
schemaId);
- }
- this.stats.recordPutLatency(schemaId,
this.clock.millis() - start);
- }
- });
-
- });
-
- }));
+ CompletableFuture<SchemaVersion> persistentFuture = new
CompletableFuture<>();
+ return trimDeletedSchemaAndGetList(schemaId)
+ .thenCompose(schemaAndMetadataList ->
+ getSchemaVersionBySchemaData(schemaAndMetadataList,
schema)
+ .thenCompose(schemaVersion -> {
+ if (schemaVersion != null) {
+ if (log.isDebugEnabled()) {
+ log.debug("[{}] Schema is already
exists", schemaId);
+ }
+ return
CompletableFuture.completedFuture(schemaVersion);
+ }
+ CompletableFuture<Void>
checkCompatibilityFuture = new CompletableFuture<>();
+ if (schemaAndMetadataList.size() != 0) {
+ if (isTransitiveStrategy(strategy)) {
+ checkCompatibilityFuture =
checkCompatibilityWithAll(schemaId, schema,
+ strategy,
schemaAndMetadataList);
+ } else {
+ checkCompatibilityFuture =
checkCompatibilityWithLatest(schemaId,
+ schema, strategy);
+ }
+ } else {
+
checkCompatibilityFuture.complete(null);
+ }
+ return
checkCompatibilityFuture.thenCompose(v -> {
+ byte[] context =
hashFunction.hashBytes(schema.getData()).asBytes();
+ SchemaRegistryFormat.SchemaInfo info =
SchemaRegistryFormat.SchemaInfo
+ .newBuilder()
+
.setType(Functions.convertFromDomainType(schema.getType()))
+
.setSchema(ByteString.copyFrom(schema.getData()))
+ .setSchemaId(schemaId)
+ .setUser(schema.getUser())
+ .setDeleted(false)
+ .setTimestamp(clock.millis())
+
.addAllProps(toPairs(schema.getProps()))
+ .build();
+
+ long start = this.clock.millis();
+ schemaStorage
+ .put(schemaId,
info.toByteArray(), context)
+ .thenAccept(sv -> {
+ if (log.isDebugEnabled()) {
+ log.debug("[{}] Schema
is successfully added", schemaId);
+ }
+
this.stats.recordPutLatency(schemaId, this.clock.millis() - start);
+
persistentFuture.complete(sv);
+ })
+ .exceptionally(t -> {
+ if (t != null) {
+ if (t.getCause()
instanceof AlreadyExistsException
+ ||
t.getCause() instanceof BadVersionException) {
+ // retry if put
schemaLocator to zk failed caused by
+ // race condition
+ if
(log.isDebugEnabled()) {
+
log.debug("[{}] Put schema failed because of {}, retry",
+
t.getCause().getMessage(), schemaId);
+ }
+
putSchemaIfAbsent(schemaId, schema, strategy)
Review Comment:
+1
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