Tomcat threads

Tomcat threads. HTTP Connector maxThreads (max HTTP threads handling the users requests),; HTTP Connector acceptCount (max queue length for incoming connection requests when all possible request processing threads are in use) May 5, 2015 · 3. 0. 5 and compare the results. max=200. Jan 26, 2021 · What is the springBoot version being used in the other application ? FYI server. Nov 3, 2021 · The proper solution with Spring and Tomcat would be to use 2 properties: server. springframework. With 25 threads that meant that when all 25 are active, they get roughly 1/6th of a core's worth of CPU time. threads, class: VirtualThreadExecutor. Tomcat allows by default max 200 threads to process requests in a Spring Boot application. Lets say within the application, during the start of the process, I create a FixedThreadpool of size say 10. If the thread count isn't high enough, you may see HTTP requests going from the browser to the server that aren't being fulfilled; with a tool such as WireShark, you may notice that HTTP requests are going to the server but Mar 14, 2023 · I think setting the max-threads or threads. 23) My experiment is to use JMeter as client, create 2000 threads to send request to my service for 10 round (totally 20000 requests). loader. If not specified, this attribute is set to 200. Any requests received when the queue is full will be Mar 29, 2023 · Let’s configure the Tomcat thread pool to be a pool of virtual threads. Nested classes/interfaces inherited from class java. 5 with commons-httpclient-3. threads. Here is an example: spring. This guide is everything we know about tuning Apache Tomcat for maximum performance. buffered=true # Whether to buffer output such that it is flushed only periodically. Apache Tomcat servlet processing times. We are running Tomcat 5. Auto-detection starts monitoring new virtual machines as they are deployed. datasource. a "core". (tomcat-embed-core-8. The Tomcat config parameter that controls this is: acceptCount: The maximum queue length for incoming connection requests when all possible request processing threads are in use. apache. currentThread. max Jul 28, 2023 · server. It enables Catalina to function as a stand-alone web server, in addition to its ability to execute servlets and JSP pages. Your application suffers from database connection pool exhaustion: since you have more working threads in Tomcat (100) than available connections in the connection pool (60), many threads need to wait for a connection to be available. Strangely, server. The stress generated different requests using 10 threads. Stopping threads is performed via the deprecated (for good reason) Thread. max-thread below the server. To limit the number of concurrent HTTP connections use the server. we are using Tomcat -7. Tomcat Availability and Responsiveness from an External Perspective. As such, enabling this should be viewed as an option of last resort in a development environment and is not recommended in a Apr 4, 2014 · Kraken. The acceptCount attribute is to set Aug 17, 2021 · Tomcat's Catalina utility threads are periodically using high CPU and memory. logging. Each request is handled in a different thread. autoconfigure. web. tomcat. Manual configuration of your monitoring setup is no longer necessary. test - tomcat_sessions : Failed - Tomcat is not running. xml inside the Spring Boot jar file. Dec 30, 2017 · 同時に受け付ける コネクション数の上限. 1. Jan 20, 2012 · After that no more Threads can be created which affects the other applications as well. So that means only 2 or 4 threads can be executing at any time. Specifically I am trying to shutdown log4j watchdog (for filechanges) and also I am trying to shutdown an executor which uses a class in my web app. How to find actual concurrent thread is running in Dec 27, 2019 · When using a thread pool per connector, Tomcat does not reclaim threads in the pool, so if you see a large spurt of requests once, this can increase the number of threads in the pool for the entire lifetime of the Tomcat server. Neither could we print the max-threads property - which always returns null. 6, the threads of the pool are renewed so that the leak is safely fixed. All Implemented Interfaces: Executor, ExecutorService. " acceptCount - "The maximum queue length for incoming connection requests when all possible request Oct 13, 2017 · One way of obtaining the values of the MBeans is through the Manager App that Tomcat comes with. Thread Dump shows that Nio connector threads are waiting to write the data, please provide the solution so that threads do not get blocked. However, after 2 hours, the 180 threads are still inside of the VM even though the requests dropped. We can do so in the “application. The bulk of threads created by Tomcat will be for request-processing. skip - tomcat_heapdump : This module must be run directly and Jul 5, 2010 · Tomcat Threads Ready. Aug 5, 1999 · ThreadPoolExecutor (Apache Tomcat 8. Thread Thread. Sep 30, 2012 · Tomcat 6. max") always returns 200. When configuring a web server, it also might be useful to set the server connection timeout. tomcat ” namespace in your application. According to this documentation it could be implemented as follows: Jan 10, 2019 · To modify the number of threads (tomcat by default already uses 200 so why would you need to change it!) use the properties in the server. minSpareThreads (int) The minimum number of threads always kept alive, default is 25. RESULTS. JVM Performance. Sep 14, 2022 · test - tomcat_keystore : Failed - Tomcat is not running. 23. This is very likely to create a memory leak. xml ( ), but it did not help out. If an executor is associated with this connector, this attribute is ignored as the connector Jun 7, 2018 · Assuming that you're using embedded Tomcat, Spring Boot provides a property to control the size of the client request thread pool. initial-size=15. Exactly one Engine element MUST be nested inside Jun 30, 2016 · All your Tomcat metrics, in one place. Mar 7, 2018 · 1. 2 4574004 306980 ? Sl Apr27 33:57 /usr/local/java/bin/java -Djava. Is there a way to control after how much time the tomcat/JVM cleans the unused threads? Mar 4, 2018 · Initially I was making 2-3 requests/secs and the application was able to maintain that throughput, but as soon as I tried 15-20 requests/sec, tomcat server's performance time increased exponentially. properties” file: spring. Tomcat has two settings in the HTTP Connector config file: maxThreads - "Max number of request processing threads to be created by the Http Connector, which therefore determines the max number of simultaneous requests that can be handled. On my Linux server I run tomcat as root and when I run ps aux it gives the following output. The HTTP Connector element represents a Connector component that supports the HTTP/1. 99 API Documentation) Package org. lang. This is configured with the maxThreads setting within the Sep 9, 2022 · server: tomcat: accept-count: 1 max-connections: 10 threads: max: 10 위와 같이 acceptCount 설정만 1 로 부족하게 설정했다. Tomcat Threads is my first encounter with a retail (strictly) clothing store with queer sensibility. Please let me if this is correct way to view the number of threads as the increased number is not displaying in the resource monitor tab. It receives and processes all requests from one or more Connectors , and returns the completed response to the Connector for ultimate transmission back to the client. We noticed that when it increase CPU also increased and CPU got reduced when application is idle. By default, the size of the thread pool is set to 200, but this can be adjusted based on your application Jan 25, 2018 · on my tomcat I set maxThreads=300 on the connector. declaration: package: org. So, typing a Url in you browser, invoking an ajax request, each one is handled in a separate thread. I understand that setting the maximum number of connections available in a connection pool should be the same as your maxThreads configured for your Tomcat server (which correlates to the number of requests that can be handled) For tomcat the default is 200, I assume there is a maximum that you can safely configure for Howto find Tomcat current thread count. We have a webapp that uses on average 20% CPU when idle, with no network traffic or any kind of requests. Aug 4, 2013 · This could be problematic for several concurrent threads. AbstractExecutorService. Apr 23, 2018 · I found 1000+ threads blocks on the step that tomcat response to client. This represents the maximum amount of time the server will wait for the client to make their request after connecting before the connection is closed: Dec 9, 2015 · I am referencing the official Tomcat 7 documentaion for connectors which can be found here. But querying meterRegistry. Next to that the spring boot application also uses a MySql database as the datasource. 24 to 6. WebappClassLoader clearReferencesThreads Jan 23, 2022 · Expected behavior: tomcat will attempt to use as much threads as possible in order to maximize a throughput. max-threads to control the number of request handling. I understand that setting the maximum number of connections available in a connection pool should be the same as your maxThreads configured for your Tomcat server (which correlates to the number of requests that can be handled) For tomcat the default is 200, I assume there is a maximum that you can safely configure for Aug 4, 2010 · 1 Answer. sleep(10000). Jan 8, 2024 · In Spring Boot, we can define the maximum amount of Tomcat worker threads: server. I deployed a web application on a server. Jul 1, 2013 · The thing is, that for a thread to execute it has to be assigned to a processor; i. That thread will execute your code. Apr 3, 2013 · In multi-user, high-concurrency environments it pays to tune Tomcat to use more threads to process HTTP requests. When using an executor, the maxThreads setting is defined at the executor level. Dec 10, 2018 · Tomcat includes several roles that offer various levels of permissions needed for accessing various Tomcat Manager components, configuring applications and hosts, and querying metrics via JMX. If you're using 75% CPU and dont understand why, I suggest you issue a kill -3 to the tomcat process (ctrl-break if you have a console) to get a thread dump (when the load is high!). Thread Pools (Connectors and Executors) Setting. Oct 19, 2010 · Another possibility is that the CPU affinity needs to be explicitly set. But I don't know how to solve it. Workload and Processing Efficiency for Each Web Module. We implemented StuckThreadDetectionValve in server. public static class ServerProperties. 6 update 25 on a Red Hat 11. max-swallow-size – The maximum number of request body bytes (excluding transfer encoding overhead) that will be swallowed by Tomcat for an aborted upload. The Engine element represents the entire request processing machinery associated with a particular Catalina Service. The activeCount returns the number of active threads associated with the current thread's thread group. max=200” means that your Spring Boot application will allow a maximum of 200 waiters (threads) to handle incoming requests at the same time, which can help 9. 10 Tips for Apache Tomcat performance tuning. Nov 30, 2012 · internally apache manage these child process, and using signal to communicate with child process to adjust threads as needed. Those thread pools can be controlled in terms of the Unfortunately, the signal doesn't wake Tomcat, so the thread dump doesn't occur until after it has woken up of its own accord and has resumed processing. 1 29. , MBeans). Tomcat what is Thread Total Started Count. min-spare-threads – The minimum number of threads always kept running. 1" connectionTimeout="20000" redirectPort="8443" maxThreads="400"/>. catalina. Blog. get ("tomcat. Oct 17, 2012 · Tomcat maximum threads. Enter your credentials. You can use a profiler to look at the name of the threads in the JVM. YMMV. accesslog. max in your Spring application. maxQueueSize="30" means that the threadpool can queued at most 30 unprocessed requests. It may be a small cluster of threads or all of them. 3, now use server. Java Management Extensions (JMX) is a framework that monitors and manages Java applications. If you're using Spring Boot 2. Object. So we implemented custom StuckThreadDetectionValve by extending java. The state a user acquires during a 'login' (it doesn't have to be a login per se Nov 7, 2019 · 7 Key Areas for Apache Tomcat Monitoring. On shutdown I see exceptions in Catalina. 8k 38 105 163. The definition of "world" depends on the garbage collector being used and context. Tomcat allows administrators to monitor several performance metrics using JMX-managed beans (i. You can see Current Threads in real time from the Manager web application deployed on your Tomcat Server. properties. Jul 19, 2019 · (Tomcat runs a few threads in the background for housekeeping tasks, but the number is very low. Aug 2, 2022 · Tomcat thread pool metrics with the information on the number of available threads and the number of busy threads showing you how occupied your Tomcat instances are. max=200 Webサーバーを構成する場合は、 サーバー接続タイムアウト を設定すると便利な場合があります。 これは、サーバーが接続後にクライアントが要求を行うのを待ってから接続が閉じられるまでの最大時間を表します。 Jan 20, 2021 · Tomcat: maxThreads: リクエスト処理対して作成するスレツドの最大数(最大同時実行数)。 200: 個: Apacheの最大スレッド数(Windowsの場合はThreadsPerChild)より大きな値を設定。 Linuxの場合はカーネルパラメータの制限にも注意が必要。 Tomcat: minSpareThreads Oct 4, 2019 · I can see the thread pool in the process metrics - for example "https-jsse-nio-8443" as shown here: However, it seems it's not possible to create a custom alert for the above thread pool alone as only the total is available as metric "Tomcat busy threads": Is there any way around that or is that a known limitation and potential candidate for an Nov 3, 2016 · The accept queue cannot be monitored, but you can get the number of queued requests for tomcat using Executor. Look for any single branch of code that has repeated occurences in the stack traces and that Jan 18, 2017 · Then I sent the Http request and in service's method I printed the current thread and its classLoader. UncaughtExceptionHandler Jan 2, 2022 · Configuring Tomcat JDBC Connection Pool. Now when I am trying to use this thing with tomcat, what would be the max total number of threads that I will be running. A particular instance of this component listens for connections on a specific TCP port number on the server. They offer tops, bottom, accessories, and novelty items with a skater/punk type style. An aborted upload is when Tomcat knows that Jul 22, 2021 · 1 Answer. These metrics fall into four main categories: general Tomcat metrics, thread pool metrics, servlet metrics, and jsp metrics. This app is protected, so to access it, you need to first define a user and password by adding the Nov 6, 2018 · Is there something as a common sense accepted ratio between the . Dec 10, 2018 · Tomcat manages the workload for processing requests with worker threads and tracks thread usage for each connector under either the ThreadPool MBean type, or the Executor Mbean type if you are using an executor. The Executor MBean type represents the thread pool created for use across multiple connectors. Based on it, this is what I have in doubt: acceptorThread (s) : This is a single or at the most 2 threads (as mentioned in the doc) which is responsible only for accepting in-coming connections. Yes, your understanding is conceptually correct. via JMX. Let's say that every request that tomcat server gets spawns 3 worker threads for reading from database. max-threads is deprecated since Springboot 2. xml file: <Connector port="8080" protocol="HTTP/1. Nioコネクタなら maxThreads < maxConnections が可能. 1 protocol. RELEASE. The max-threads setting of tomcat is currently set to 250. During a request peak I can see about 180 threads were allocated to serve the requests and that's fine. file Thre is only parent process, but when I run htop I can see all other child process (which are threads?). Jan 8, 2024 · Once we’ve successfully configured a Tomcat connection pool in Spring Boot, it’s very likely that we’ll want to set up some additional properties, for optimizing its performance and suiting some specific requirements. It is running on Java 11, Tomcat 9, Spring Framework 5. It would be nice to tell tomcat something like "hey you can only serve 50 threads per application". I created a script in order to perform load on the application (stress test). In Unix you can check which CPU's the JVM has been chosen to use with the taskset command :: taskset -p <pid>. When monitoring with a large number of Agent processes deployed, the default number of threads that are created within the Apache Tomcat server may not be sufficient. In this way you limit the number of threads that can get spawned to a threshold. Using NIO or Introduction. We are using new relic to monitor tomcat threads. Think Urban Outfitters, but more explicitly queer. Mar 11, 2024 · If true, Tomcat attempts to terminate threads that have been started by the web application. Generally, it's not a good practice to start threads in a Java EE environment, but nothing bad in starting threads in a servlet container like Tomcat. Feb 3, 2021 · tomcat_threads_busy_threads tomcat_threads_current_threads tomcat_threads_config_max_threads jetty_threads_busy jetty_threads_current jetty_threads_config_max Which helps a lot to get the overall status of the application. e. So, Tomcat will shut-down its own thread-pools, but if your application started threads, those will continue to execute after Tomcat shuts itself down. max-threads – Maximum amount of worker threads in server under top load. 5. Firstly, to configure Tomcat Connection Pool you need to add the properties in the “ spring. And then I invoked Thread. roughly by following code (unrelated line were deleted) Oct 16, 2012 · Tomcat maximum threads. HTTP Keep Aliveごとにworkerスレッドを占有する必要がないから. 43 MB Max memory: 1166. stop() method and is likely to result in instability. We are trying to find the max-threads configuration for the embedded tomcat, but in vain. 4. Then in the section http-bio- (port) you will see the information you are looking for like: Max threads: 200 Current Tomcat threads are increasing but never decreasing. Sep 23, 2011 · Another point to note is that in most cases the tomcat server eventually recovers and the thread count drops back to normal - we've only had one instance where a tomcat process appears to have crashed because of the thread count increase. org. Thanks for your response. Once you integrate Tomcat with Datadog, metrics from your server will automatically be pulled into Datadog and begin populating an out-of-the-box dashboard. Each MBean is registered with the JMX MBean server, representing a resource, application, or device to be monitored. Tomcat: see what threads are using the database connection pool. Tomcat. And at the same moment I clicked 'undeploy this application' in Tomcat's admin page. Tomcat Feb 16, 2017 · When I view the tomcat threads displayed in windows resource monitor CPU tab, 100-110 threads number is being displayed against tomcat process. I am using jvisualvm to try and find what is causing the problem. g. ssl=false -Dcom. Sep 2, 2013 · There is a simple way to monitor tomcat threads and do a dump. Below are the ways we can tune Apache Tomcat. Tomcat uses a thread pool to handle incoming requests. Sorted by: 1. From there, it can grow as it runs based on the stack depth (nested method calls) and the number of parameters and local variables (all primitives and pointers in method parameters and local variables get added to the stack. java. If you change the server. Class ThreadPoolExecutor. Tomcat's thread continues running as per usual. Jul 31, 2023 · So, setting “server. max properties simply does not work. 3. For managing DB connections its using the Hikari connection pool that is set to a maximum of 10 database connections. Its default value is zero which leaves Tomcat to use its default of 200. This means that in order to serve 100 concurrent users, it requires 100 active threads. Mar 11, 2024 · By default, Tomcat uses a maxThreads number of 200. The two roles that are most relevant for monitoring Tomcat are: manager-jmx: provides access to both the JMX proxy servlet and Tomcat’s server status page. Your Tomcat server may have 2 or 4 cores (I guess). Before officially collecting garbage, GC will invoke the object's finalize (). My first guess is that each of those threads is a request Nov 6, 2023 · Tomcat is a widely used Java Servlet container for hosting Java-based web applications. During a GC sweep, the GC will "stop the world" to perform its cleanup. 27. Introduction. デフォルトは maxThreads=200, maxConnections=10000 org. In earlier versions of Spring Boot, the property Aug 3, 2022 · I am trying to implement this threadpoolexecutor , As we know Use threadpoolExecutor we creating thead pool, My question how this thread worker is internally connected with http rest call, bcz there also we are creating tomcat thread, Suppose we have 50 tomcat thread , and 10 worker thread, and 10k request, how each request sync with there own Apr 29, 2014 · In tomcat, the default HTTP connector is blocking and follows a one thread per connection model. 3 or later, this property is named server. Jun 17, 2016 · Tomcat got its own thead pool, which is used for handling incoming requests. Once that limit is reached, requests get queued. 3, Hibernate 5. Typically, one HTTP request is served by one thread. But tomcat threads are not reduced. Thread dump A Thread implementation that records the time at which it was created. test - tomcat_connectors : Failed - Tomcat is not running. If you expect a larger number of concurrent requests, you can increase the count naturally by modifying the conf/server. Tomcat manager shows Current busy threads : 200, application gets stuck due to these long running threads. Aug 17, 2016 · See tomcat's documentation: The maximum number of request processing threads to be created by this Connector, which therefore determines the maximum number of simultaneous requests that can be handled. By default, it is configured to create 150 threads to communicate with the HTTPS port. May 23, 2011 · 4 Answers. ) Each <Connector> by default gets its own thread pool. Each <Executor> (or <Connector> in older versions of Tomcat) has a JMX bean that exposes its current status, including what the active/spare/max thread counts are. We are using Spring Boot version - spring-boot-starter-tomcat-1. Start tomcat with the folowing java options :-Dcom. State, Thread. I don't think that it's a good idea to use it, even if you manage to get access to it. The configuration maxThreads="20" means the threadpool has 20 workers at most, can process 20 requests simultaneously. ThreadPoolExecutor. However, in Webflux, it seems there is no equivalent. This can be configured using acceptorThreadCount, and it's Mar 11, 2024 · Introduction. Worker Thread Pool Utilization. Just Login to Manager application using server/manager. Apache and Postgres are apparently still awake and active during the three and a half minute gaps -- their logs show non-Tomcat-related activity continuing during those periods. mai 08, 2013 11:22:40 AM org. We are going to test it in two different versions of Spring Boot: 2. util. max-wait=20000. Object; org. Enclosing class: ServerProperties. T-shirts, polos, sweatshirts, blazers, cool belts and buckles Aug 15, 2011 · Check if the finalizer thread is blocked or waiting. Check if the configuration really changes something, e. tomcat namespace (those are specific for Tomcat!. Tomcat Server Workload and Processing Efficiency. sun. Dec 8, 2017 · 4. max-threads=200 # Maximum amount of worker threads. ServerProperties. Background: My service is a Spring boot project which embedded a tomcat. spring. Mar 3, 2020 · Tomcat uses an "accept queue" to hold connections between accepting them and passing them off to a worker thread. We are facing issues with a long running thread in tomcat . So use server. I know that by observing its JMX endpoint (currentThreadCount is always 10). Alerting with anomaly detection. test - tomcat_threads : Failed - Tomcat is not running. Get maximum performance from Apache Tomcat. min-spare-threads=10 # Minimum amount of worker threads. You can configure all your <Connector>s to use a shared thread pool. server. Threads. min-spare-threads, then you will have as many thread as the max server. We have an application which leaks a bit of memory, a bit being an understatement. 3 Tuning Apache Tomcat Threads. all threads are managed in ap_scoreboard_image->servers[i][j]; apache will monitor the thread count, and using socket send out to let infoCollector know. After some minutes I created new hep dump. 57 MB Total memory: 1166. test - tomcat_memory : Failed - Tomcat is not running. config. I have the following suggestions: Configure maxThreads and acceptCount attributes of the Connector elements in server. maxThreads configures the number of servlet request threads (threads that do work to respond to request). Start Tomcat monitoring in under 5 minutes! In under five minutes, Dynatrace shows you your Tomcat servers’ CPU, memory, and network health metrics all the way down to the process level. Actual behavior: tomcat always stick to 10 threads (which are configured by "min-spare") and never adding threads above that configured amount. Tomcat listens for requests. If you make a new thread it has nothing to do with Tomcat's thread pool. activeCount is returning a value of 20. concurrent. Mar 29, 2012 · I am trying to shutdown threads when Tomcat is being shutdown. In other words, maximum number of simultaneous requests that can be handled. properties file. max. xml. Dec 27, 2019 · Last updated on: June 28, 2023. If then the application with the deadlock reaches it's 50 Threads it will just be blocked, but the other applications will stay save. A request is any interaction from the client (web browser) and the server. You should have at least as many connections to the database as you have working threads. I created new heap dump. Tomcat does not stop any threads that it did not start. If you set it to 350, that should be the limit of those threads, but there may be more threads in the JVM that are doing other things. Jan 20, 2012 · 1. However, I have a doubt as to why the Thread. jmxremote. Oct 18, 2016 · 2. 43 MB. Threads Jan 14, 2022 · I have a spring boot application with an embedded tomcat server. Or, you could just look at the source code to the manager webapp to see how it . Click Server Status in the top right. For Log4J I see: INFO: Illegal access: this web application instance has been stopped Oct 18, 2019 · server. Apache Tomcat integration supported out of the box with the default agent package. Pros. We could not find any server. Mar 10, 2022 · 2. Here is the configs of the embed Tomcat in springboot. This is not a "thread per user". In Windows, bring up your task manager, go to the process tab, right click a process and choose set Affinity. Tomcat creates a pool of threads. port=<some free port> -Dcom. A question we often get asked by customers is: what Tomcat performance tuning can they do to improve the overall performance. 10 and 3. Aug 5, 1999 · The VirtualThreadExecutor does not track in-progress tasks so calling this method is effectively waiting for shutdown () to be called. SEVERE: The web application [/myapp] appears to have started a thread named [Thread-8] but has failed to stop it. Nested Class Summary. Servlet Performance. In my experience most threads should either be idle or in io-wait. Starting with Tomcat 7. jar running against a Java 1. 26 modify internal structures of the JDK (ThreadLocalMap) to remove the reference to the ThreadLocal instance, but this is unsafe (see #48895) so that it became optional and disabled by default from 6. Oct 5, 2015 · 1. out. 2. The graph shows increase of thread count,but it never decreased even the application is idle. I arrived into the following status as shown in the manager of tomcat: Free memory: 34. If those threads are "daemon" threads, then the JVM will stop them when the main thread (which is the thread that starts Tomcat if you May 8, 2013 · In my webapp I have 3 threads where tomcat fails to stop 2 of these on reload. thx, kuku Mar 16, 2023 · Optimize Tomcat’s Thread Pool. You can see which CPU/Cores are set to be used. 47. accept-count=100 # Maximum queue length for incoming connection requests when all possible request processing threads are in use. 7. Aug 20, 2012 · First, connect to your own Tomcat process using jconsole and poke-around under the "Catalina" tree. In parallel, it maintains X threads which will continuously attempt to take from this queue. – Jason C. I see the thread count grow quite a bit on threads starting with the name: http-8080- example: http:8080-42. boot. Based on what I have seen, one new idle thread will take up about 20KB - 50KB of memory. 하지만, maxConnections 수가 10개의 요청은 한번에 처리할 수 있도록 설정되어 있어서 아래와 같이 Case1 과 다름 없이 빠르게 요청이 처리되는 모습을 확인할 수 Apr 11, 2011 · Apache Tomcat Request Threads. management. When it receives a request, it puts this request in a queue. workerスレッドに空きができるまで、リクエストは処理されない. According to this documentation the number of minimum threads can be configured using the following parameter: Attribute Description. authenticate=false Sep 22, 2014 · Tomcat's thread pool works, more or less, like what you would get from an ExecutorService (see Executors ). max-connections=250 is working fine. 1. root 25667 0. Throws: InterruptedException. This includes both active and idle threads. directory=logs # Directory in which log files are created. Business Transaction Performance. Mar 11, 2024 · Introduction. in yh ms cj gp am sw fa nr pm