The first approach works fine, the second ends up in another java.lang.OutOfMemoryError, this time about the heap. So, question: is there any programmatic alternative to this, for the particular use case (i.e., several small HashMap objects)? 4) If the new generation size is explicitly defined with JVM options (e.g. -XX:NewSize, -XX:MaxNewSize), decrease the size or remove the relevant JVM options entirely to unconstrain the JVM and provide more space in the old generation for long lived objects.A new Java thread is requested by an application running inside the JVM. JVM native code proxies the request to create a new native thread to the OS The OS tries to create a new native thread which requires memory to be allocated to the thread. The OS will refuse native memory allocation either because the 32-bit Java process size has depleted ...3. When JVM/Dalvik spends more than 98% doing GC and only 2% or less of the heap size is recovered the “ java.lang.OutOfMemoryError: GC overhead limit exceeded ” is thrown. The solution is to extend heap space or use profiling tools/memory dump analyzers and try to find the cause of the problem. Share.java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 WARN server.TransportChannelHandler: Exception in connection from spark2/192.168.155.3:57252 java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 INFO storage.BlockManagerMasterEndpoint: Removing block manager BlockManagerId(6, spark1, 54732) Apr 14, 2020 · I'm trying to process, 10GB of data using spark it is giving me this error, java.lang.OutOfMemoryError: GC overhead limit exceeded. Laptop configuration is: 4CPU, 8 logical cores, 8GB RAM. Spark configuration while submitting the spark job. May 13, 2018 · [error] (run-main-0) java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.OutOfMemoryError: GC overhead limit exceeded. The solution to the problem was to allocate more memory when I start SBT. To give SBT more RAM I first issue this command at the command line: $ export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G" May 16, 2022 · In this article, we examined the java.lang.OutOfMemoryError: GC Overhead Limit Exceeded and the reasons behind it. As always, the source code related to this article can be found over on GitHub . Course – LS (cat=Java) Dec 16, 2020 · java.lang.OutOfMemoryError: GC Overhead limit exceeded; java.lang.OutOfMemoryError: Java heap space. Note: JavaHeapSpace OOM can occur if the system doesn’t have enough memory for the data it needs to process. In some cases, choosing a bigger instance like i3.4x large(16 vCPU, 122Gib ) can solve the problem. GC Overhead Limit Exceeded with java tutorial, features, history, variables, object, programs, operators, oops concept, array, string, map, math, methods, examples etc.I've narrowed down the problem to only 1 of 8 excel files. I can consistently reproduce it on that particular excel file. It opens up just fine using microsoft excel, so I'm puzzled why only 1 particular excel file gives me an issue.and, when i run this script on spark-shell i got following error, after running line of code simsPerfect_entries.count(): java.lang.OutOfMemoryError: GC overhead limit exceeded Updated: I tried many solutions already given by others ,but i got no success. 1 By increasing amount of memory to use per executor process spark.executor.memory=1gIn summary, 1. Move the test execution out of jenkins 2. Provide the output of the report as an input to your performance plug-in [ this can also crash since it will need more JVM memory when you process endurance test results like an 8 hour result file] This way, your tests will have better chance of scaling. In summary, 1. Move the test execution out of jenkins 2. Provide the output of the report as an input to your performance plug-in [ this can also crash since it will need more JVM memory when you process endurance test results like an 8 hour result file] This way, your tests will have better chance of scaling.WARN TaskSetManager: Lost task 4.1 in stage 6.0 (TID 137, 192.168.10.38): java.lang.OutOfMemoryError: GC overhead limit exceeded 解决办法： 由于我们在执行Spark任务是，读取所需要的原数据，数据量太大，导致在Worker上面分配的任务执行数据时所需要的内存不够，直接导致内存溢出了，所以 ...But if your application genuinely needs more memory may be because of increased cache size or the introduction of new caches then you can do the following things to fix java.lang.OutOfMemoryError: GC overhead limit exceeded in Java: 1) Increase the maximum heap size to a number that is suitable for your application e.g. -Xmx=4G.Apr 14, 2020 · I'm trying to process, 10GB of data using spark it is giving me this error, java.lang.OutOfMemoryError: GC overhead limit exceeded. Laptop configuration is: 4CPU, 8 logical cores, 8GB RAM. Spark configuration while submitting the spark job. How do I resolve "OutOfMemoryError" Hive Java heap space exceptions on Amazon EMR that occur when Hive outputs the query results?WARN TaskSetManager: Lost task 4.1 in stage 6.0 (TID 137, 192.168.10.38): java.lang.OutOfMemoryError: GC overhead limit exceeded 解决办法： 由于我们在执行Spark任务是，读取所需要的原数据，数据量太大，导致在Worker上面分配的任务执行数据时所需要的内存不够，直接导致内存溢出了，所以 ...May 16, 2022 · In this article, we examined the java.lang.OutOfMemoryError: GC Overhead Limit Exceeded and the reasons behind it. As always, the source code related to this article can be found over on GitHub . Course – LS (cat=Java) @Sandeep Nemuri. I have resolved this issue with increasing spark_daemon_memory in spark configuration . Advanced spark2-env.Aug 25, 2021 · Spark DataFrame java.lang.OutOfMemoryError: GC overhead limit exceeded on long loop run 6 Pyspark: java.lang.OutOfMemoryError: GC overhead limit exceeded Java Spark - java.lang.OutOfMemoryError: GC overhead limit exceeded - Large Dataset Load 7 more related questions Show fewer related questions 0Sep 1, 2015 · Sorted by: 2. From the logs it looks like the driver is running out of memory. For certain actions like collect, rdd data from all workers is transferred to the driver JVM. Check your driver JVM settings. Avoid collecting so much data onto driver JVM. Share. Improve this answer. Follow. Nov 13, 2018 · I have some data on postgres and trying to read that data on spark dataframe but i get error java.lang.OutOfMemoryError: GC overhead limit exceeded. I am using ... Spark DataFrame java.lang.OutOfMemoryError: GC overhead limit exceeded on long loop run 1 sparklyr failing with java.lang.OutOfMemoryError: GC overhead limit exceededThe first approach works fine, the second ends up in another java.lang.OutOfMemoryError, this time about the heap. So, question: is there any programmatic alternative to this, for the particular use case (i.e., several small HashMap objects)?Apr 12, 2016 · Options that come to mind are: Specify more memory using the JAVA_OPTS enviroment variable, try something in between like - Xmx1G. You can also tune your GC manually by enabling -XX:+UseConcMarkSweepGC. For more options on GC tuning refer Concurrent Mark Sweep. Increasing the HEAP size should fix your routes limit problem. A new Java thread is requested by an application running inside the JVM. JVM native code proxies the request to create a new native thread to the OS The OS tries to create a new native thread which requires memory to be allocated to the thread. The OS will refuse native memory allocation either because the 32-bit Java process size has depleted ...Just before this exception worker was repeatedly launching an executor as executor was exiting :-. EXITING with Code 1 and exitStatus 1. Configs:-. -Xmx for worker process = 1GB. Total RAM on worker node = 100GB. Java 8. Spark 2.2.1. When this exception occurred , 90% of system memory was free. After this expection the process is still up but ...java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 WARN server.TransportChannelHandler: Exception in connection from spark2/192.168.155.3:57252 java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 INFO storage.BlockManagerMasterEndpoint: Removing block manager BlockManagerId(6, spark1, 54732) Nov 13, 2018 · I have some data on postgres and trying to read that data on spark dataframe but i get error java.lang.OutOfMemoryError: GC overhead limit exceeded. I am using ... I'm running Grails 2.5.0 on IntelliJ Idea Ultimate Edition 2020.2.2 . It compiles and builds the code just fine but it keeps throwing a "java.lang.OutOfMemoryError: GC overhead limit exceeded&...Dec 16, 2020 · java.lang.OutOfMemoryError: GC Overhead limit exceeded; java.lang.OutOfMemoryError: Java heap space. Note: JavaHeapSpace OOM can occur if the system doesn’t have enough memory for the data it needs to process. In some cases, choosing a bigger instance like i3.4x large(16 vCPU, 122Gib ) can solve the problem. I'm trying to process, 10GB of data using spark it is giving me this error, java.lang.OutOfMemoryError: GC overhead limit exceeded. Laptop configuration is: 4CPU, 8 logical cores, 8GB RAM. Spark configuration while submitting the spark job.Tune the property spark.storage.memoryFraction and spark.memory.storageFraction .You can also issue the command to tune this- spark-submit ... --executor-memory 4096m --num-executors 20.. Or by changing the GC policy.Check the current GC value.Set the value to - XX:G1GC. Share. Improve this answer. Follow.Create a temporary dataframe by limiting number of rows after you read the json and create table view on this smaller dataframe. E.g. if you want to read only 1000 rows, do something like this: small_df = entire_df.limit (1000) and then create view on top of small_df. You can increase the cluster resources. I've never used Databricks runtime ...Mar 4, 2023 · Just before this exception worker was repeatedly launching an executor as executor was exiting :-. EXITING with Code 1 and exitStatus 1. Configs:-. -Xmx for worker process = 1GB. Total RAM on worker node = 100GB. Java 8. Spark 2.2.1. When this exception occurred , 90% of system memory was free. After this expection the process is still up but ... For Windows, I solved the GC overhead limit exceeded issue, by modifying the environment MAVEN_OPTS variable value with: -Xmx1024M -Xss128M -XX:MetaspaceSize=512M -XX:MaxMetaspaceSize=1024M -XX:+CMSClassUnloadingEnabled. Share. Improve this answer. Follow.1. To your first point, @samthebest, you should not use ALL the memory for spark.executor.memory because you definitely need some amount of memory for I/O overhead. If you use all of it, it will slow down your program. The exception to this might be Unix, in which case you have swap space. – makansij.Sorted by: 2. From the logs it looks like the driver is running out of memory. For certain actions like collect, rdd data from all workers is transferred to the driver JVM. Check your driver JVM settings. Avoid collecting so much data onto driver JVM. Share. Improve this answer. Follow.Nov 7, 2019 · Please reference this forum thread in the subject: “Azure Databricks Spark: java.lang.OutOfMemoryError: GC overhead limit exceeded”. Thank you for your persistence. Proposed as answer by CHEEKATLAPRADEEP-MSFT Microsoft employee Thursday, November 7, 2019 9:20 AM Pyspark: java.lang.OutOfMemoryError: GC overhead limit exceeded Hot Network Questions Usage of the word "deployment" in a software development context Since you are running Spark in local mode, setting spark.executor.memory won't have any effect, as you have noticed. The reason for this is that the Worker "lives" within the driver JVM process that you start when you start spark-shell and the default memory used for that is 512M.[error] (run-main-0) java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.OutOfMemoryError: GC overhead limit exceeded. The solution to the problem was to allocate more memory when I start SBT. To give SBT more RAM I first issue this command at the command line: $ export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G"Nov 13, 2018 · I have some data on postgres and trying to read that data on spark dataframe but i get error java.lang.OutOfMemoryError: GC overhead limit exceeded. I am using ... GC Overhead limit exceeded exceptions disappeared. However, we still had the Java heap space OOM errors to solve . Our next step was to look at our cluster health to see if we could get any clues.From docs: spark.driver.memory "Amount of memory to use for the driver process, i.e. where SparkContext is initialized. (e.g. 1g, 2g). Note: In client mode, this config must not be set through the SparkConf directly in your application, because the driver JVM has already started at that point. Aug 12, 2021 · Why does Spark fail with java.lang.OutOfMemoryError: GC overhead limit exceeded? Related questions. 11 ... Spark memory limit exceeded issue. 2 The default behavior for Apache Hive joins is to load the entire contents of a table into memory so that a join can be performed without having to perform a Map/Reduce step. If the Hive table is too large to fit into memory, the query can fail.2. GC overhead limit exceeded means that the JVM is spending too much time garbage collecting, this usually means that you don't have enough memory. So you might have a memory leak, you should start jconsole or jprofiler and connect it to your jboss and monitor the memory usage while it's running. Something that can also help in troubleshooting ...A new Java thread is requested by an application running inside the JVM. JVM native code proxies the request to create a new native thread to the OS The OS tries to create a new native thread which requires memory to be allocated to the thread. The OS will refuse native memory allocation either because the 32-bit Java process size has depleted ...Sparkで大きなファイルを処理する際などに「java.lang.OutOfMemoryError: GC overhead limit exceeded」が発生する場合があります。 この際の対処方法をいかに記述します. GC overhead limit exceededとは. 簡単にいうと. GCが処理時間全体の98%以上を占める; GCによって確保されたHeap ...WARN TaskSetManager: Lost task 4.1 in stage 6.0 (TID 137, 192.168.10.38): java.lang.OutOfMemoryError: GC overhead limit exceeded 解决办法： 由于我们在执行Spark任务是，读取所需要的原数据，数据量太大，导致在Worker上面分配的任务执行数据时所需要的内存不够，直接导致内存溢出了，所以 ...Mar 4, 2023 · Just before this exception worker was repeatedly launching an executor as executor was exiting :-. EXITING with Code 1 and exitStatus 1. Configs:-. -Xmx for worker process = 1GB. Total RAM on worker node = 100GB. Java 8. Spark 2.2.1. When this exception occurred , 90% of system memory was free. After this expection the process is still up but ... Getting OutofMemoryError- GC overhead limit exceed in pyspark. 34,090. The simplest thing to try would be increasing spark executor memory: spark.executor.memory=6g. Make sure you're using all the available memory. You can check that in UI. UPDATE 1. --conf spark.executor.extrajavaoptions="Option" you can pass -Xmx1024m as an option.Pyspark: java.lang.OutOfMemoryError: GC overhead limit exceeded Hot Network Questions Usage of the word "deployment" in a software development context Nov 13, 2018 · I have some data on postgres and trying to read that data on spark dataframe but i get error java.lang.OutOfMemoryError: GC overhead limit exceeded. I am using ... Dec 13, 2022 · Spark DataFrame java.lang.OutOfMemoryError: GC overhead limit exceeded on long loop run 1 sparklyr failing with java.lang.OutOfMemoryError: GC overhead limit exceeded scala.MatchError: java.lang.OutOfMemoryError: Java heap space (of class java.lang.OutOfMemoryError) Cause. This issue is often caused by a lack of resources when opening large spark-event files. The Spark heap size is set to 1 GB by default, but large Spark event files may require more than this.Aug 4, 2014 · I got a 40 node cdh 5.1 cluster and attempting to run a simple spark app that processes about 10-15GB raw data but I keep running into this error: java.lang.OutOfMemoryError: GC overhead limit exceeded. Each node has 8 cores and 2GB memory. I notice the heap size on the executors is set to 512MB with total set to 2GB. Sorted by: 2. From the logs it looks like the driver is running out of memory. For certain actions like collect, rdd data from all workers is transferred to the driver JVM. Check your driver JVM settings. Avoid collecting so much data onto driver JVM. Share. Improve this answer. Follow.1. This problem means that Garbage Collector cannot free enough memory for your application to continue. So even if you switch that particular warning off with "XX:-UseGCOverheadLimit" your application will still crash, because it consumes more memory than is available. I would say you have memory leak symptoms.Sparkで大きなファイルを処理する際などに「java.lang.OutOfMemoryError: GC overhead limit exceeded」が発生する場合があります。 この際の対処方法をいかに記述します. GC overhead limit exceededとは. 簡単にいうと. GCが処理時間全体の98%以上を占める; GCによって確保されたHeap ...1 Answer. The memory allocation to executors is useless here (since local just runs threads on the driver) as is the core allocations (As far as I can remember i5 doesn't have 5000 cores :)). Increase the number of partitions using spark.sql.shuffle.partitions to reduce memory pressure.The detail message "GC overhead limit exceeded" indicates that the garbage collector is running all the time and Java program is making very slow progress. Can be fixed in 2 ways 1) By Suppressing GC Overhead limit warning in JVM parameter Ex- -Xms1024M -Xmx2048M -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit. For debugging run through the Spark shell, Zeppelin adds over head and takes a decent amount of YARN resources and RAM. Run on Spark 1.6 / HDP 2.4.2 if you can. Allocate as much memory as possible.GC Overhead Limit Exceeded with java tutorial, features, history, variables, object, programs, operators, oops concept, array, string, map, math, methods, examples etc.java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 WARN server.TransportChannelHandler: Exception in connection from spark2/192.168.155.3:57252 java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 INFO storage.BlockManagerMasterEndpoint: Removing block manager BlockManagerId(6, spark1, 54732) Sep 16, 2022 · – java.lang.OutOfMemoryError: GC overhead limit exceeded – org.apache.spark.shuffle.FetchFailedException Possible Causes and Solutions An executor might have to deal with partitions requiring more memory than what is assigned. Consider increasing the –executor memory or the executor memory overhead to a suitable value for your application. May 16, 2022 · In this article, we examined the java.lang.OutOfMemoryError: GC Overhead Limit Exceeded and the reasons behind it. As always, the source code related to this article can be found over on GitHub . Course – LS (cat=Java) The first approach works fine, the second ends up in another java.lang.OutOfMemoryError, this time about the heap. So, question: is there any programmatic alternative to this, for the particular use case (i.e., several small HashMap objects)?A new Java thread is requested by an application running inside the JVM. JVM native code proxies the request to create a new native thread to the OS The OS tries to create a new native thread which requires memory to be allocated to the thread. The OS will refuse native memory allocation either because the 32-bit Java process size has depleted ...Exception in thread "yarn-scheduler-ask-am-thread-pool-9" java.lang.OutOfMemoryError: GC overhead limit exceeded ... spark.executor.memory to its max ...1. I had this problem several times, sometimes randomly. What helped me so far was using the following command at the beginning of the script before loading any other package! options (java.parameters = c ("-XX:+UseConcMarkSweepGC", "-Xmx8192m")) The -XX:+UseConcMarkSweepGC loads an alternative garbage collector which seemed to make less ...I'm trying to process, 10GB of data using spark it is giving me this error, java.lang.OutOfMemoryError: GC overhead limit exceeded. Laptop configuration is: 4CPU, 8 logical cores, 8GB RAM. Spark configuration while submitting the spark job.Exception in thread "Spark Context Cleaner" java.lang.OutOfMemoryError: GC overhead limit exceeded Exception in thread "task-result-getter-2" java.lang.OutOfMemoryError: GC overhead limit exceeded . What can I do to fix this? I'm using Spark on YARN and spark memory allocation is dynamic. Also my Hive table is around 70G. Does it mean that I ...May 13, 2018 · [error] (run-main-0) java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.OutOfMemoryError: GC overhead limit exceeded. The solution to the problem was to allocate more memory when I start SBT. To give SBT more RAM I first issue this command at the command line: $ export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G" java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 WARN server.TransportChannelHandler: Exception in connection from spark2/192.168.155.3:57252 java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 INFO storage.BlockManagerMasterEndpoint: Removing block manager BlockManagerId(6, spark1, 54732)Spark DataFrame java.lang.OutOfMemoryError: GC overhead limit exceeded on long loop run 0 Java Spark - java.lang.OutOfMemoryError: GC overhead limit exceeded - Large DatasetNov 9, 2020 · GC Overhead limit exceeded exceptions disappeared. However, we still had the Java heap space OOM errors to solve . Our next step was to look at our cluster health to see if we could get any clues. Oct 31, 2018 · For Windows, I solved the GC overhead limit exceeded issue, by modifying the environment MAVEN_OPTS variable value with: -Xmx1024M -Xss128M -XX:MetaspaceSize=512M -XX:MaxMetaspaceSize=1024M -XX:+CMSClassUnloadingEnabled. Share. Improve this answer. Follow. Oct 24, 2017 · I'm running a Spark application (Spark 1.6.3 cluster), which does some calculations on 2 small data sets, and writes the result into an S3 Parquet file. Here is my code: public void doWork( Created on 08-04-2014 10:38 AM - edited 09-16-2022 02:04 AM. I got a 40 node cdh 5.1 cluster and attempting to run a simple spark app that processes about 10-15GB raw data but I keep running into this error: java.lang.OutOfMemoryError: GC overhead limit exceeded. Each node has 8 cores and 2GB memory. I notice the heap size on the ...The simplest thing to try would be increasing spark executor memory: spark.executor.memory=6g. Make sure you're using all the available memory. You can check that in UI. UPDATE 1. --conf spark.executor.extrajavaoptions="Option" you can pass -Xmx1024m as an option.scala.MatchError: java.lang.OutOfMemoryError: Java heap space (of class java.lang.OutOfMemoryError) Cause. This issue is often caused by a lack of resources when opening large spark-event files. The Spark heap size is set to 1 GB by default, but large Spark event files may require more than this.java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 WARN server.TransportChannelHandler: Exception in connection from spark2/192.168.155.3:57252 java.lang.OutOfMemoryError: GC overhead limit exceeded 17/09/13 17:15:52 INFO storage.BlockManagerMasterEndpoint: Removing block manager BlockManagerId(6, spark1, 54732)
4) If the new generation size is explicitly defined with JVM options (e.g. -XX:NewSize, -XX:MaxNewSize), decrease the size or remove the relevant JVM options entirely to unconstrain the JVM and provide more space in the old generation for long lived objects.. Claymore demon
Hi, everybody! I have a hadoop cluster on yarn. There are about Memory Total: 8.98 TB VCores Total: 1216 my app has followinng config (python api): spark = ( pyspark.sql.SparkSession .builder .mast...For debugging run through the Spark shell, Zeppelin adds over head and takes a decent amount of YARN resources and RAM. Run on Spark 1.6 / HDP 2.4.2 if you can. Allocate as much memory as possible.Feb 12, 2012 · Java Spark - java.lang.OutOfMemoryError: GC overhead limit exceeded - Large Dataset Load 7 more related questions Show fewer related questions 0 [error] (run-main-0) java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.OutOfMemoryError: GC overhead limit exceeded. The solution to the problem was to allocate more memory when I start SBT. To give SBT more RAM I first issue this command at the command line: $ export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G"Mar 22, 2018 · When I train the spark-nlp CRF model, emerged java.lang.OutOfMemoryError: GC overhead limit exceeded error Description I found the training process only run on driver ... 此次异常是在集群上运行的spark程序日志中发现的。由于这个异常导致sparkcontext被终止，以致于任务失败：出现的一些原因参考：GC overhead limit exceededjava.lang.OutOfMemoryError有几种分类的，这次碰到的是java.lang.OutOfMemoryError: GC overhead limit exceeded，下面就来说说这种类型的内存溢出。Aug 4, 2014 · I got a 40 node cdh 5.1 cluster and attempting to run a simple spark app that processes about 10-15GB raw data but I keep running into this error: java.lang.OutOfMemoryError: GC overhead limit exceeded. Each node has 8 cores and 2GB memory. I notice the heap size on the executors is set to 512MB with total set to 2GB. Sparkで大きなファイルを処理する際などに「java.lang.OutOfMemoryError: GC overhead limit exceeded」が発生する場合があります。 この際の対処方法をいかに記述します. GC overhead limit exceededとは. 簡単にいうと. GCが処理時間全体の98%以上を占める; GCによって確保されたHeap ...Exception in thread "Thread-11" java.lang.OutOfMemoryError: GC overhead limit exceeded How to fix this problem ? i have change become java -Xmx2G -jar [file].jarUPDATE 2017-04-28. To drill down further, I enabled a heap dump for the driver: cfg = SparkConfig () cfg.set ('spark.driver.extraJavaOptions', '-XX:+HeapDumpOnOutOfMemoryError') I ran it with 8G of spark.driver.memory and I analyzed the heap dump with Eclipse MAT. It turns out there are two classes of considerable size (~4G each):and, when i run this script on spark-shell i got following error, after running line of code simsPerfect_entries.count(): java.lang.OutOfMemoryError: GC overhead limit exceeded Updated: I tried many solutions already given by others ,but i got no success. 1 By increasing amount of memory to use per executor process spark.executor.memory=1gMay 16, 2022 · In this article, we examined the java.lang.OutOfMemoryError: GC Overhead Limit Exceeded and the reasons behind it. As always, the source code related to this article can be found over on GitHub . Course – LS (cat=Java) .