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[Improvement](rpc) set grpc channel's keepAliveTime and remove proxy … #38380

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Jul 26, 2024
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[Improvement](rpc) set grpc channel's keepAliveTime and remove proxy … #38380

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8 changes: 8 additions & 0 deletions fe/fe-common/src/main/java/org/apache/doris/common/Config.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1422,6 +1422,14 @@ public class Config extends ConfigBase {
@ConfField
public static int grpc_threadmgr_threads_nums = 4096;

/**
* sets the time without read activity before sending a keepalive ping
* the smaller the value, the sooner the channel is unavailable, but it will increase network io
*/
@ConfField(description = { "设置grpc连接发送 keepalive ping 之前没有数据传输的时间。",
"The time without grpc read activity before sending a keepalive ping" })
public static int grpc_keep_alive_second = 10;

/**
* Used to set minimal number of replication per tablet.
*/
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2 changes: 2 additions & 0 deletions fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java
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Expand Up @@ -1001,13 +1001,15 @@ private void waitPipelineRpc(List<Triple<PipelineExecContexts, BackendServicePro
} catch (InterruptedException e) {
exception = e;
code = TStatusCode.INTERNAL_ERROR;
triple.getMiddle().removeProxy(triple.getLeft().brpcAddr);
} catch (TimeoutException e) {
exception = e;
errMsg = String.format(
"timeout when waiting for %s rpc, query timeout:%d, left timeout for this operation:%d",
operation, queryOptions.getExecutionTimeout(), timeoutMs / 1000);
LOG.warn("Query {} {}", DebugUtil.printId(queryId), errMsg);
code = TStatusCode.TIMEOUT;
triple.getMiddle().removeProxy(triple.getLeft().brpcAddr);
}

try {
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2 changes: 1 addition & 1 deletion fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceClient.java
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Expand Up @@ -54,7 +54,7 @@ public class BackendServiceClient {
public BackendServiceClient(TNetworkAddress address, Executor executor) {
this.address = address;
channel = NettyChannelBuilder.forAddress(address.getHostname(), address.getPort())
.executor(executor)
.executor(executor).keepAliveTime(Config.grpc_keep_alive_second, TimeUnit.SECONDS)
.flowControlWindow(Config.grpc_max_message_size_bytes)
.keepAliveWithoutCalls(true)
.maxInboundMessageSize(Config.grpc_max_message_size_bytes).enableRetry().maxRetryAttempts(MAX_RETRY_NUM)
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