Oom error - For example, the System log shows the following error: localhost kernel: Out of memory: Kill process 2154 (oom) score 844 or sacrifice child Cause This issue may be caused by the lack of a swap file.

 
I have . . Oom error

And, I agree, double your RAM to 16 gig. Let's look at Gradle builds as an example. # OOM in program run directly by the batch script of a job slurmstepd: error: Detected 1 oom-kill event (s) in StepId=14604003. Find details of its financials, directors, legal cases and charges. Open the heap (. Running Dreambooth made python take up in excess of 10. For more information, see Del key [key. Apr 19, 2018 · The reason an OS is reporting an OOM is one of the following: a. org help / color / mirror / Atom feed From: Marc Kleine-Budde <mkl@pengutronix. An OOM killer usually starts because of one of the following reasons: Reason. OutOfMemoryError usually means that you’re doing something wrong, either holding onto objects too long or trying to process too much data at a time. ElastiCache for Redis implements the maxmemory-policy that's set for the cache node’s parameter group when out of memory. OutOfMemoryError is a runtime error in Java which occurs when the Java Virtual Machine (JVM) is unable to allocate an object due to insufficient space in the Java heap. OutOfMemoryError: Failed to allocate with free bytes and 70MB until OOM when using gson. In fact, most OOM errors from TensorFlow build process are due to Bazel. Oct 07, 2022 · Original KB number: 4010058 Symptoms On a Linux Azure virtual machine, you encounter an OOM error. When this happens, the driver crashes with an out of memory (OOM) condition and gets restarted or becomes unresponsive due to frequent full garbage collection. What is OOMKilled (exit code 137) The OOMKilled error, also indicated by exit code 137, means that a container or pod was terminated because they used more memory than allowed. May 11, 2020 · OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. In fact, most OOM errors from TensorFlow build process are due to Bazel. Use of getContext () and getApplicationContext () incorrectly () Application of a static view, context, or activity. This article goes over the how to resolve an issue where the core businesslayer plugin is crashing with the following outofmemory exception error: . They're Java's way of telling. OutOfMemoryError: Failed to allocate with free bytes and 70MB until OOM when using gson. Out of memory ( OOM) is an often undesired state of computer operation where no additional memory can be allocated for use by programs or the operating system. ” The “java. 1 password hash. This one is from today. 5, eventually crashing with out of memory errors (oom) Initialize OpenEdge Tooling is not finishing for some users because of memory usage. I reverted to e2ce3f7 and now it works again, so one of the later commits must have screwed. 7 it means that substitution for the empty plugin column was not possible. Example errors # OOM in a parallel program launched through srun. This prevents some developers from opening the Design View. If you have FSUIPC4 I would recommend setting up the option to observe your available VAS in the title bar or use the FSX VAS Monitor. Another process is consuming the system memory. There was no indication of a problem when doing this. OutOfMemoryError falls into the Error category in Exception class hierarchy. As long as you are bothered by a computer out of memory, . Syntax The syntax to catch an OutOfMemoryException in C# is as follows:. Because I read what he wrote, and he said he COULD run "just" P3D without OOM AND he also said his SSD was almost full. Such a system will be unable to load any additional programs, and since many programs may load additional data into memory during execution, these will cease to function correctly. [ERROR] Failed to enlarge card table array during garbage collection. I’m using a TFRecordDataset with batches of size 512. ONAP Operations Manager; OOM-495; Not all namespace/helm installs created by OOM are deleted by. Jul 01, 2022 · You can delete existing keys to free up memory using the DEL command. We will keep on allocating the memory and point will reach, when JVM will not have enough memory to allocate, then OutOfMemoryError will be thrown. notes Effort to sound spontaneou s. NPM 11. Such a system will be unable to load any additional programs, and since many programs may load additional data into memory during execution, these will cease to function correctly. Background Each node has a fixed amount of physical memory and a fixed amount of disk space designated as swap space. (programming) Initialism of out of memory. DWM was not taking up much VRAM at all, 325MB. httpd有一个奇怪的问题 某些浏览器 在 PC 和手机上 接受https: www. There are two approaches to fix the issue: Increase the memory of the system (Hardware solution) Reduce the memory requirements of Bazel Fixes: Reduce memory requirements of Bazel. 7, failed with an OOM error, and failed to release the VRAM, forcing me to end the process and restart the WebUI from scratch. There are 2 other projects in the npm registry using @hstech/node-oom-heapdump-s3. I noticed that I receive this Out of memory error ONLY when I have opened my Facebook. , I can’t locate the exact operation that causes it. DWM was not taking up much VRAM at all, 325MB. Will not spill to disk. Probably because of pre 4. outofmemoryerror: failed to allocate with free bytes and 70mb until oom when using gson. [GitHub] [shiro] bdemers commented on a change in pull request #186: [SHIRO-668] Catch unexpected errors which can lead to oom. If your server goes down while build TensorFlow, this is the problem. Usually a javacore size is around 4-5MB, but if there is a thread leak, then the javacore's size can grow to many tens of megabytes, e. Gradle works by launching child processes for the building process. conf and restarting Bitnami service but the command is still unavailable. It is trying to allocate lowmem, but you have none left (and none to speak of can be reclaimed). A pod can specify a . With that in mind, I present comments from The Source: /* * oom_badness - calculate a numeric value for how bad this task has been * @p: task struct. OOM is a system module which ensures that aggressive processes using high system resources are killed to avoid malfunctioning of the system. 当我不传递 app 参数时,我的配置可以正常工作: 但是当我尝试使用应用程序 arg 进行初始化时:. It's the two issues COMBINED that can cause an OOM. In that case, just before starting the task, the executor will fetch the block from a remote executor where the block is present. Let me elaborate my question. Such a system will be unable to load any additional programs, and since many programs may load additional data into memory during execution, these will cease to function correctly. We will keep on allocating the memory and point will reach, when JVM will not have enough memory to allocate, then OutOfMemoryError will be thrown. OOMs have nothing to do with how strong your PC is. If you are upgrading from MySQL 5. Today we tried it: if the training contains class images, or tries to generate sample images, I get an OOM error. During processing if there is a need to groupby/reduceby/join, then it mandates a shuffle. В этом случае как раз и возникает OOM, не связанный с источником проблемы, когда стектрейс покажет. 2, sometimes when we request query I am getting OOM (Out Of Memory) may I know how to tackle this . Just confirmed it. Hi, I tried the seq2seq prefixtuning and found: RuntimeError: CUDA out of memory. 我有三个问题: 图像有时加载成功,有时应用程序崩溃给OOM. Step 1: Set up the server for troubleshooting There are a few things you need to do to check up on the server, as follows: Since the server may not have a Java Development Kit (JDK) set up, copy the JDK. Let me elaborate my question. Aug 09, 2013 · This 4 steps should solve OOM errors: 1. And preferably also post another set after just a day or so uptime. Cause: 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. If anybody has experience with this, I’m curious to learn more. It was working to run it on a container with less memory before. That means 2-3 airports and maximum 2 continents. close to OOM). Tried to allocate 1. OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. That shows you your memory usage that is relevant to OOM error (VAS, as mentioned in another post). Hello, Core function is below: [code]ICudaEngine* createMNISTEngine(int maxBatchSize, IBuilder* builder, DataType dt, size_t input_h, size_t input_w, size_t label_cnt. Find VmPeak value: We can figure out how much memory should be allocated to HugePages by checking the VmPeak of the postmaster process. de> To: "Ahmed S. How many nodes are you adding at once and how big is your Java heap? You don't have to create a layer, the index automatically creates the layer. An OOM error occurs when an ElastiCache for Redis cluster can't free any additional memory. If an executor is trying to process a big partition, it will throw an OOM error. Once open scroll down for "Exploit Protection". BusinessLayerHostService - Unhandled exception caught by business layer host. " Sometimes you can know; for instance if you had process accounting setup (+1 to @JamesHannah) and you saw 3000 httpd or sshd processes (and that was unusual) you could probably blame that daemon. 5 from FSX-SE. The Java Garbage Collector (GC) cannot free up the space required for a new object, which causes a java. Example errors # OOM in a parallel program launched through srun. We are getting sporadic OOM (and maybe other errors) when compiling either a 900 elm module or 200 elm module app with the ghc runtime options +RTS -N2 -A16m -n4m on Github Actions. This block is then materialized fully in memory in the heap until the task is completed. I switched to Dolby Stereo for my headphones and the loading screen went black and crashed when I started the game. Find details of its financials, directors, legal cases and charges. There are two approaches to fix the issue: Increase the memory of the system (Hardware solution) Reduce the memory requirements of Bazel. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. Probably because of pre 4. Once open scroll down for "Exploit Protection". I tried updating the redis. 我需要加深CSS变量中指定的颜色。 我有这个CSS代码: CSS变量--mainContainer-background可以由用户使用一些JS即时更改,但是我想在我的背景渐变中设置此颜色的变暗,例如,我希望该渐变开始的颜色比--mainContainer-background存储的. OOM stands for "Out Of Memory". de> To: "Ahmed S. Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. 我们在 Azure Hortonworks Cloudbreak 上创建了一个 Bigdata 集群。 访问 Ambari UI 时出现以下错误: 所以我们设置了以下设置并且 UI 是可访问的: 但几分钟(5-10 分钟)后,它再次开始抛出 HTTP ERROR 500 并且 Ambari-agen. Miller" <davem@davemloft. My experience quite differs. com> Cc: Olivier Sobrie <olivier@sobrie. Taking action upon first OOM occurrence can help in avoiding further victims of low memory situations that may encounter OOM depending on their memory demand at the time and also. OutOfMemoryError falls into the Error category in Exception class. Use the below command to get VmPeak value. I'd guess you have a kernel memory leak. this is my firs program on NodeJs and i', trying to use Express and Socket. My experience quite differs. MySQL Error MessageSome of the user accounts with SUPER privileges were disabled because of empty mysql. bdemers commented on a change in pull request #186: [SHIRO-668] Catch unexpected errors which can lead to oom URL:. DWM was not taking up much VRAM at all, 325MB. May 11, 2020 · OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. In this post, you will learn how to diagnose OOM errors in Linux kernels by:. Download speed with no limits; Unlimited simultaneous downloads; No queues for file download; No ads; Download files up to 80 GB; Download your files securely over secure https. Cause: 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. OOMs have nothing to do with how strong your PC is. Evicted pod would be available on the node for further troubleshooting. FA VERBOSE I/art: Alloc partial concurrent mark sweep GC freed 74(3024B) AllocSpace objects, 1(363KB) LOS objects, 5% free, 63MB/67MB, paused 862us total 5. Sometimes, it indicates a problem that’s out of your control, such as a third-party library that caches strings or an application server that doesn’t clean up after deploys. Such a system will be unable to load any additional programs, and since many programs may load additional data into memory during execution, these will cease to function correctly. Apr 19, 2018 · The reason an OS is reporting an OOM is one of the following: a. OOM is a system. 77 GiB already allocated; **8. OOM (Out of Memory Manager) is a tool on Linux systems that keeps track of memory usage by. Probably because of pre 4. OutOfMemoryError: Failed to allocate with free bytes and 70MB until OOM when using gson. outofmemoryerror: failed to allocate with free bytes and 70mb until oom when using gson. Consider the following scenario: You have a Multidimensional Expressions (MDX) query that uses the INT function. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. Throws OOM error, in case of the object, exceeds the limit. Large caches could be one. Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression. The following error can be seen the Server trace files: Process . 如何将过程的结果放入vbscript变量中 提前致谢。. Oct 05, 2016 · Buy a GPU with more memory. Gradle works by launching child processes for the building process. Hi, I tried the seq2seq prefixtuning and found: RuntimeError: CUDA out of memory. 5 将网页从php更改为html时,Google网站管理员抓取错误 - Google webmaster crawl errors when changed pages from php to html. org (mailing list archive)State: New, archived: Headers: show. Hallo! Willkommen bei eBay Kleinanzeigen. However, I do think that sooner rather than later. Shop your favorite Men's Sunglasses & Eyeglasses on Makhsoom Lebanon at a great price,. io 。 after create simple project as below code, i get 在创建如下代码的简单项目后,我得到. When using ListBundleFiles () the app size is listed as 26478691 which is significantly smaller than some other apps running on my account that work just fine. Out of memory (OOM) is an often undesired state of computer operation where no additional memory can be allocated for use by programs or the operating . empty_cache() None of this works,. OOM error By TrevorS, February 7, 2020 in The Prepar3d Forum 1 2 Next Page 1 of 2 TrevorS Member Members 41 396 posts Location:South Africa Posted February 7, 2020 Firstly my specs: CPU is i5 4690K @ 4. The reason an OS is reporting an OOM is one of the following: a. ¿Cómo evitar el error OOM (Out of memory) al recuperar todos los registros de una tabla enorme? Preguntado el 10 de Julio, 2009 38587 visitas 5 Respuestas Resuelta Me han encomendado la tarea de convertir una tabla enorme en un archivo XML personalizado. Usually, this error is thrown when there is insufficient space to allocate . I had a bug that made the program create infinite processes and collapse memory but never work. de> To: "Ahmed S. May 11, 2020 · OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. I wonder, is there a way i can process the record immediately once it become available, and remove the record from memory after that during sql retrieving process?--- edited on 13 Jul 2009. The most important heapdump and javacore files to see are from the first OOM error. Set the maxmemory-policy for a cache node parameter group to one of the following values:. I/FA-Ads: App measurement initialized, version: 29013 I/FA-Ads: To enable debug logging run: adb shell setprop log. Firstly my specs: CPU is i5 4690K @ 4. So as we see in the above pic executor . I'd guess you have a kernel memory leak. FIX: Out of memory error occurs when Database Node Memory (KB) drops below 2 percent in SQL Server 2014 and 2016. Android : java. [ERROR] Failed to enlarge card table array during garbage collection. how to handle in spark OOM ( OutOfMemory) exception. This one is from today. When it comes to debugging opaque OOM errors, your best bet is to look for that exit code 137. com> Cc: Olivier Sobrie <olivier@sobrie. ] on the redis. ElastiCache for Redis implements the maxmemory-policy that's set for the cache node’s parameter group when out of memory. Dec 21, 2021 · The exact native thread limit is platform-dependent. This was not the case in last year's versions. "Error in execution; nested exception is io. The reason why is that no matter if you fly to that area or not, FS will load all scenery into RAM. tar file with the following code: $cd /tmp. For more information about tools available for various operating systems, see Native Operating System tools. Absolutely not (and it will actually cause more issues with the sim if you delete default models) Not at all. OutOfMemoryError now and then, OutOfMemoryError (OOM) in Java is one problem which is more due. The running process that causes an OOM error to be thrown will probably keep throwing OOM errors, and by default, every OOM error will generate a javacore and heapdump. Sometimes the last call in the trace is conv1d, sometimes it’s some backward (). To remedy an OOM issue you should use Scenery Config Editor and uncheck all areas (or at least the huge stuff) you won't be flying to in that session. 当我不传递 app 参数时,我的配置可以正常工作: 但是当我尝试使用应用程序 arg 进行初始化时:. Out of memory ( OOM) is an often undesired state of computer operation where no additional memory can be allocated for use by programs or the operating system. com/kb/947246 2. My model reports “cuda runtime error(2): out of memory”. ONAP Operations Manager; OOM-495; Not all namespace/helm installs created by OOM are deleted by. While OOM errors occur because of low memory issues, that distinction is usually lost on the user. srun: error: o0616: task 0: Out Of Memory # OOM in program run directly by the batch script of a job. OOM when calling model. Important: Deleting existing keys temporarily resolves OOM errors. Problem description A common problem on our systems is that a user's job causes a node out of memory or uses more than its allocated memory if the node is . org (mailing list archive)State: New, archived: Headers: show. The out of memory manager module in my Linux VPS was killing the MySQL service immediately after the crontab started it. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. wegmans job openings

ElastiCache for Redis implements the . . Oom error

net>, Wolfgang Grandegger <wg@grandegger. . Oom error

Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. ONAP Operations Manager; OOM-495; Not all namespace/helm installs created by OOM are deleted by. 5x physical RAM. OOM is a system. 当我不传递 app 参数时,我的配置可以正常工作: 但是当我尝试使用应用程序 arg 进行初始化时:. Out-of-Memory (OOM) or Excessive Memory Usage Problem description A common problem on our systems is that a user's job causes a node out of memory or uses more than its allocated memory if the node is shared with other jobs. Step 1: Set up the server for troubleshooting There are a few things you need to do to check up on the server, as follows: Since the server may not have a Java Development Kit (JDK) set up, copy the JDK. Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression. OutOfMemoryError: Failed to allocate with free bytes and 70MB until OOM when using gson. How many nodes are you adding at once and how big is your Java heap? You don't have to create a layer, the index automatically creates the layer. ran out of heap space), yet occasionally we see the. OOM kill happens when Pod is out of memory and it gets killed because you've provided resource limits to it. OOM ERROR - PMDG 777 - The AVSIM Community. I reverted to e2ce3f7 and now it works again, so one of the later commits must have screwed. I’m using a TFRecordDataset with batches of size 512. Oct 25, 2018 Success Center First Published Date. OOMKilled, commonly known as Exit Code 137, is a type of error that originated in Linux. allkeys-random: Make space by evicting random keys. 以下是相关代码: public static class MyViewHolder extends RecyclerView. Gradle can produce confusing error messages when builds use too much memory on Docker and are terminated by the Linux OOM killer. io website. ,WANTED! D oom Mailorder Sealed/Eingeschweißt in Berlin - Neukölln. MySQL Error MessageSome of the user accounts with SUPER privileges were disabled because of empty mysql. Oct 25, 2018 Success Center First Published Date. Find details of its financials, directors, legal cases and charges. 2, sometimes when we request query I am getting OOM (Out Of Memory) may I know how to tackle this . Just confirmed it. DWM was not taking up much VRAM at all, 325MB. Example, 10 partitions were processed and shuffled. May 11, 2020 · OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. Let’s look at Gradle builds as an example. plugin value. 如何将过程的结果放入vbscript变量中 提前致谢。. 2, sometimes when we request query I am getting OOM (Out Of Memory) may I know how to tackle this . And, I agree, double your RAM to 16 gig. OOM (Out Of Memory) errors can occur when building and training a neural network model on the GPU. 6 to MySQL 5. OOM error By TrevorS, February 7, 2020 in The Prepar3d Forum 1 2 Next Page 1 of 2 TrevorS Member Members 41 396 posts Location:South Africa Posted February 7, 2020 Firstly my specs: CPU is i5 4690K @ 4. MySQL Error MessageSome of the user accounts with SUPER privileges were disabled because of empty mysql. 当我不传递 app 参数时,我的配置可以正常工作: 但是当我尝试使用应用程序 arg 进行初始化时:. OutOfMemoryError or simply OOM is something that every Android . Hallo , Ich bin auf der Suche nach dem Shooter D oom Mailorder in einem neuen, eingeschweißten. This article goes over the how to resolve an issue where the core businesslayer plugin is crashing with the following outofmemory exception error: 2016-04-25 14:58:09,787 [75] ERROR SolarWinds. In fact, most OOM errors from TensorFlow build process are due to Bazel. Coming here as this is a top google result for this issue, and reducing the batch size problem didn't help in my case. 6 to MySQL 5. When Node itself is out of memory or resource, it evicts the Pod from the node and it gets rescheduled on another node. It is trying to allocate lowmem, but you have none left (and none to speak of can be reclaimed). A java. When it comes to debugging opaque OOM errors, your best bet is to look for that exit code 137. ,WANTED! D oom Mailorder Sealed/Eingeschweißt in Berlin - Neukölln. I'll attach the Log. Ultimately the cause of the problem is "An unexpected situation which may or may not have been the fault of the sysadmin. In that case, just before starting the task, the executor will fetch the block from a remote executor where the block is present. NPM 11. There are two approaches to fix the issue:. OOM kill due to container limit reached This is by far the most simple memory error you can have in a pod. #10 rwaday Jan 25, 2021 @ 6:48pm Originally posted by sbmarauderman03:. Because I read what he wrote, and he said he COULD run "just" P3D without OOM AND he also said his SSD was almost full. Ernie 1. No, the size of the batch is not the reason of yout OOM error if you use image 64 × 64 and batch of 32 the memory cost on GPU is: 32 ⋅ 32 ⋅ 3 (size of image if in color) ⋅ 32 (size of batch) ⋅ 32 (bits for a float32) bits ≈ 3 M B The problem is certainly due to the size of your neural network. If you are upgrading from MySQL 5. Jun 13, 2022 · Follow the steps below to reach the culprit code. org help / color / mirror / Atom feed From: Marc Kleine-Budde <mkl@pengutronix. After a bit of testing to. FA VERBOSE I/art: Alloc partial concurrent mark sweep GC freed 74(3024B) AllocSpace objects, 1(363KB) LOS objects, 5% free, 63MB/67MB, paused 862us total 5. tar file to your server Extract the Java. org (mailing list archive)State: New, archived: Headers: show. Your GPU is running out of memory, so it can't allocate memory for this tensor. ElastiCache for Redis implements the maxmemory-policy that's set for the cache node’s parameter group when out of memory. Here again, knowing the healthy baseline usage of virtual memory and RSS utilization allows you to set alerts when memory utilization approaches. Your function is affecting a local variable named errors, not the global errors that you may have been expecting. In fact, most OOM errors from TensorFlow build process are due to Bazel. Darwish" <darwish. While an out-of-memory (OOM) error is not technically a crash, nine times out of ten your users will not know the difference. This was not the case in last year's versions. StevenTang1998 commented on Aug 22, 2021. Find details of its financials, directors, legal cases and charges. If you are upgrading from MySQL 5. The window has crashed (reason: 'oom', code: '-536870904') #130375 Closed newtykins opened this issue on Aug 8, 2021 · 19 comments newtykins commented on Aug 8,. By clive6354, February 3, 2016 in PMDG 777. 50 MiB free; 5. Use kill -9 pid command to kill them. predict () causing OOM errors. If your account is In "MySQL". And the amount of memory “tried to allocate” also changes all the time, but always remains the same as “free memory”. Melde dich hier an, oder erstelle ein neues Konto, damit du: Nachrichten senden und empfangen kannst. ,WANTED! D oom Mailorder Sealed/Eingeschweißt in Berlin - Neukölln. If I simply issue a "SELECT * FROM customer", it may return huge amount of data that eventually causing OOM. In our case 100818 is the PID of the postmaster. There are two approaches to fix the issue: Increase the memory of the system (Hardware solution) Reduce the memory requirements of Bazel Fixes: Reduce memory requirements of Bazel. io 。 after create simple project as below code, i get 在创建如下代码的简单项目后,我得到. Still have any questions about an article, leave us a comment. Click on "Exploit Protection Settings" at bottom it will then come up in System Settings, click on "Program Settings". I encounter random OOM errors during the model traning. ONAP Operations Manager; OOM-495; Not all namespace/helm installs created by OOM are deleted by. Масштабирование и загрузка bitmap вызывает OOM (OutOfMemoryError) (Android) Я уже тысячу раз пытался решить подобное самостоятельно безо всякого успеха. oom_control 设置是否使用oom killer,默认使用,如果croup内进程超过内存,就会被kill; cgroup driver. Join the Discussion. Gradle can produce confusing error messages when builds use too much memory on Docker and are terminated by the Linux OOM killer. Such a system will be unable to load any additional programs, and since many programs may load additional data into memory during execution, these will cease to function correctly. 7 it means that substitution for the empty plugin column was not possible. reading notes; stress + reading notes. . shareek 2 full movie download filmyzilla, mecojo a mi hermana, rim jobs, montclair craigslist, iowa central football schedule 20222023, porn gay brothers, 2008 tamil movies list download isaimini, karely ruiz porn, kinky family porn, vip no recoil config file zip file, thrill seeking baddie takes what she wants chanel camryn, wife cum interracial co8rr