mimaison commented on code in PR #18201:
URL: https://github.com/apache/kafka/pull/18201#discussion_r1940016513
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core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala:
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@@ -37,14 +38,17 @@ import org.apache.kafka.common.{KafkaException,
TopicPartition}
import org.apache.kafka.coordinator.transaction.{TransactionLogConfig,
TransactionStateManagerConfig}
import org.apache.kafka.server.common.{RequestLocal, TransactionVersion}
import org.apache.kafka.server.config.ServerConfigs
-import org.apache.kafka.server.record.BrokerCompressionType
import org.apache.kafka.server.storage.log.FetchIsolation
import org.apache.kafka.server.util.Scheduler
import org.apache.kafka.storage.internals.log.AppendOrigin
import scala.jdk.CollectionConverters._
import scala.collection.mutable
+object TransactionStateManager {
+ val EnforcedCompression: Compression = Compression.NONE
+ private val EnforcedRequiredAcks: Short = -1.toShort
Review Comment:
Should we also use this field in `KafkaApis.handleWriteTxnMarkersRequest()`?
##########
core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala:
##########
@@ -400,12 +404,20 @@ class TransactionStateManager(brokerId: Int,
def validateTransactionTimeoutMs(txnTimeoutMs: Int): Boolean =
txnTimeoutMs <= config.transactionMaxTimeoutMs && txnTimeoutMs > 0
+ /**
+ * Enforce always using:
+ * <br>1. cleanup policy = compact
+ * <br>2. compression = none
+ * <br>3. unclean leader election = disabled
+ * <br>4. required acks = -1 when writing
Review Comment:
Not sure why mention `acks` here since it's not related to the topic
configurations.
Also _if we really need a list_, we can use an HTML list instead of line
returns
##########
core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala:
##########
@@ -45,6 +46,15 @@ import org.apache.kafka.storage.internals.log.AppendOrigin
import scala.jdk.CollectionConverters._
import scala.collection.mutable
+object TransactionStateManager {
+ // enforce always using
+ // 1. cleanup policy = compact
+ // 2. compression = none
+ // 3. unclean leader election = disabled
+ // 4. required acks = -1 when writing
+ val EnforcedCompression: Compression = Compression.NONE
Review Comment:
I'm not sure this is the best place to store these values. Have you
considered `TransactionCoordinator`? I'm not saying it should go there, just
asking.
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