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new 33eec9096f [Enhancement](FE) use customized grpc threadpool to get
better metric for grpc from FE to BE (#13983)
33eec9096f is described below
commit 33eec9096fe698e4af23065fc804c9ecfa5aee22
Author: AlexYue <yj976240...@gmail.com>
AuthorDate: Thu Apr 13 20:09:26 2023 +0800
[Enhancement](FE) use customized grpc threadpool to get better metric for
grpc from FE to BE (#13983)
Previously in Doris FE, there is no specific thread pool for
grpc-client-channel,
by default the underlying netty logic would use one dynamic unbounded cache
threadpool.
The workload for this grpc threadpool is unseen.
Use ThreadpoolMgr to create one customized threadpool to get
Prometheus-compatible metric data.
---
docs/en/docs/admin-manual/config/fe-config.md | 6 ++++++
docs/zh-CN/docs/admin-manual/config/fe-config.md | 8 +++++++-
fe/fe-common/src/main/java/org/apache/doris/common/Config.java | 6 ++++++
.../src/main/java/org/apache/doris/rpc/BackendServiceClient.java | 4 +++-
.../src/main/java/org/apache/doris/rpc/BackendServiceProxy.java | 7 ++++++-
5 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/docs/en/docs/admin-manual/config/fe-config.md
b/docs/en/docs/admin-manual/config/fe-config.md
index b1a9a01aa3..a5ba02abe2 100644
--- a/docs/en/docs/admin-manual/config/fe-config.md
+++ b/docs/en/docs/admin-manual/config/fe-config.md
@@ -167,6 +167,12 @@ Default：100
the max txn number which bdbje can rollback when trying to rejoin the group
+### grpc_threadmgr_threads_nums
+
+Default: 4096
+
+Num of thread to handle grpc events in grpc_threadmgr.
+
#### `bdbje_replica_ack_timeout_second`
Default：10 (s)
diff --git a/docs/zh-CN/docs/admin-manual/config/fe-config.md
b/docs/zh-CN/docs/admin-manual/config/fe-config.md
index 8241a268a8..d818ea09cb 100644
--- a/docs/zh-CN/docs/admin-manual/config/fe-config.md
+++ b/docs/zh-CN/docs/admin-manual/config/fe-config.md
@@ -173,7 +173,13 @@ Doris 元数据将保存在这里。 强烈建议将此目录的存储为：
元数据会同步写入到多个 Follower FE，这个参数用于控制 Master FE 等待 Follower FE 发送 ack
的超时时间。当写入的数据较大时，可能 ack 时间较长，如果超时，会导致写元数据失败，FE 进程退出。此时可以适当调大这个参数。
-#### `bdbje_lock_timeout_second`
+### grpc_threadmgr_threads_nums
+
+默认值: 4096
+
+在grpc_threadmgr中处理grpc events的线程数量。
+
+#### `bdbje_lock_timeout_second`>>>>>>> 1b46f49ad0 (use customed threadpool
instead of the default threadpool of grpc java to get better metrics)
默认值：1
diff --git a/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
b/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
index ffad6e33a0..9a9ca8ce3e 100644
--- a/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
+++ b/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
@@ -1510,6 +1510,12 @@ public class Config extends ConfigBase {
@ConfField
public static int grpc_max_message_size_bytes = 2147483647; // 2GB
+ /**
+ * num of thread to handle grpc events in grpc_threadmgr
+ */
+ @ConfField
+ public static int grpc_threadmgr_threads_nums = 4096;
+
/**
* Used to set minimal number of replication per tablet.
*/
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceClient.java
b/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceClient.java
index d0845b45d5..484f6e77ed 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceClient.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceClient.java
@@ -36,6 +36,7 @@ import io.opentelemetry.context.Context;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
@@ -49,9 +50,10 @@ public class BackendServiceClient {
private final ManagedChannel channel;
private final long execPlanTimeout;
- public BackendServiceClient(TNetworkAddress address) {
+ public BackendServiceClient(TNetworkAddress address, Executor executor) {
this.address = address;
channel = NettyChannelBuilder.forAddress(address.getHostname(),
address.getPort())
+ .executor(executor)
.flowControlWindow(Config.grpc_max_message_size_bytes)
.keepAliveWithoutCalls(true)
.maxInboundMessageSize(Config.grpc_max_message_size_bytes).enableRetry().maxRetryAttempts(MAX_RETRY_NUM)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceProxy.java
b/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceProxy.java
index 802809ec05..931546dff3 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceProxy.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceProxy.java
@@ -18,6 +18,7 @@
package org.apache.doris.rpc;
import org.apache.doris.common.Config;
+import org.apache.doris.common.ThreadPoolManager;
import org.apache.doris.metric.MetricRepo;
import org.apache.doris.proto.InternalService;
import org.apache.doris.proto.InternalService.PExecPlanFragmentStartRequest;
@@ -38,6 +39,7 @@ import org.apache.thrift.protocol.TCompactProtocol;
import java.util.List;
import java.util.Map;
+import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.ReentrantLock;
@@ -47,6 +49,9 @@ public class BackendServiceProxy {
// use exclusive lock to make sure only one thread can add or remove
client from serviceMap.
// use concurrent map to allow access serviceMap in multi thread.
private ReentrantLock lock = new ReentrantLock();
+
+ private Executor grpcThreadPool =
ThreadPoolManager.newDaemonCacheThreadPool(Config.grpc_threadmgr_threads_nums,
+ "grpc_thread_pool", true);
private final Map<TNetworkAddress, BackendServiceClient> serviceMap;
public BackendServiceProxy() {
@@ -99,7 +104,7 @@ public class BackendServiceProxy {
try {
service = serviceMap.get(address);
if (service == null) {
- service = new BackendServiceClient(address);
+ service = new BackendServiceClient(address, grpcThreadPool);
serviceMap.put(address, service);
}
return service;
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