introduce the following:
Providing the training model with the services available in the production environment usually has the following requirements: long-term stability services, low-delay support for multiple model services support for the same model multiple versions to ensure a small amount of computation time to ensure that some real-time requirements mini-batching support to improve efficiency
TensorFlow serving is designed to address these
specify the directory of training data and model files, maintenance costs are large, and the machines are not shared.
Throughout the big data processing and resource scheduling industry, Hadoop ecosystem has become the industry standard, through the MapReduce or spark interface to process data, the user through the API submission task by yarn for Uniform resource allocation and scheduling, not only to make distributed computing possible, The utilizat
This course focuses onSpark, the hottest, most popular and promising technology in the big Data world today. In this course, from shallow to deep, based on a large number of case studies, in-depth analysis and explanation of Spark, and will contain completely from the enterprise real complex business needs to extract the actual case. The course will cover Scala programming, spark core programming,
"Note" This series of articles and the use of the installation package/test data can be in the "big gift--spark Getting Started Combat series" Get 1, compile sparkSpark can be compiled in SBT and maven two ways, and then the deployment package is generated through the make-distribution.sh script. SBT compilation requires the installation of Git tools, and MAVEN installation requires MAVEN tools, both of which need to be carried out under the network,
"Note" This series of articles and the use of the installation package/test data can be in the "big gift--spark Getting Started Combat series" Get 1, compile sparkSpark can be compiled in SBT and maven two ways, and then the deployment package is generated through the make-distribution.sh script. SBT compilation requires the installation of Git tools, and MAVEN installation requires MAVEN tools, both of which need to be carried out under the network,
"Note" This series of articles, as well as the use of the installation package/test data can be in the "big gift –spark Getting Started Combat series" get1 Spark Streaming Introduction1.1 OverviewSpark Streaming is an extension of the Spark core API that enables the processing of high-throughput, fault-tolerant real-time streaming data. Support for obtaining data
Three, in-depth rddThe Rdd itself is an abstract class with many specific implementations of subclasses:
The RDD will be calculated based on partition:
The default partitioner is as follows:
The documentation for Hashpartitioner is described below:
Another common type of partitioner is Rangepartitioner:
The RDD needs to consider the memory policy in the persistence:
Spark offers many storagelevel
TensorFlow Learning Notes 4: Distributed TensorFlow
Brief Introduction
The TensorFlow API provides cluster, server, and supervisor to support distributed training of models.
The distributed training introduction about TensorFlow can refer to distributed TensorFlow. A simpl
1. Introduction
The Spark-submit script in the Spark Bin directory is used to start the application on the cluster. You can use the Spark for all supported cluster managers through a unified interface, so you do not have to specifically configure your application for each cluster Manager (It can using all Spark ' s su
1. Download and install Anaconda1.1 downloadDownload the Linux version from Anaconda official website (https://www.continuum.io/downloads)https://repo.continuum.io/archive/(Recommended python3.5)1.2 InstallationCD ~/downloadssudo bash anaconda2-5.0.1-linux-x86_64.sh (download the corresponding version of Python2.7 here)Ask if you want to add the Anaconda bin to the user's environment variable and select yes!Installation is complete.2. Install tensorflow2.1 set up
Development environment: Mac OS 10.12.5Python 2.7.10GCC 4.2.1Mac default is no pip, install PIP.sudo easy_install pip1. Installing virtualenvsudo pip install virtualenv--upgradeCreate a working directory:sudo virtualenv--system-site-packages ~/tensorflowMake the directory, activate the sandboxCD ~/tensorflowSOURCE Bin/activateInstall TensorFlow in 2.virtualenvAfter entering the sandbox, execute the following command to install
The main contents of this section
Hadoop Eco-Circle
Spark Eco-Circle
1. Hadoop Eco-CircleOriginal address: http://os.51cto.com/art/201508/487936_all.htm#rd?sukey= a805c0b270074a064cd1c1c9a73c1dcc953928bfe4a56cc94d6f67793fa02b3b983df6df92dc418df5a1083411b53325The key products in the Hadoop ecosystem are given:Image source: http://www.36dsj.com/archives/26942The following is a brief introduction to the products1 HadoopApache's Hadoop p
Through a few routines, we gradually established a perceptual knowledge of tensorflow. This article will further from the internal principle of deep understanding, and then for reading source to lay a good foundation.1. Graph (graph)The TensorFlow calculation is abstracted as a forward graph that includes several nodes. As shown in the example:The corresponding TensorFl
Introduction and use of Caffe-tensorflow conversion
Caffe-tensorflow can convert Caffe network definition file and pre-training parameters into TensorFlow form, including TensorFlow network structure source code and NPY format weight file.Download the source code from GitHub and enter the source directory to run conve
Install the TENSORFLOW-GPU environment: Python environment, TENSORFLOW-GPU package, CUDA,CUDNNFirst, install the PYTHON,PIP3 directly to the official website to download, download and install your favorite versionHttps://www. python. org/Tip: Remember to check the ADD environment variable when you install the last stepIn the cmd input PIP3 test PIP3 can use, can not use, manually open the path of the Python
line, and how to optimize the online service performance, we hope to inspire you.Ii. business scenarios and offline processes 2.1 business scenariosIn the ads in the scene, for each user, there will be a maximum of hundreds of ad recall, the model based on user characteristics and each ad-related characteristics, the user estimates the number of each ad click-through, to sort. Because the advertising trading platform (Adexchange) for the DSP time-out limit, our sequencing module average respons
1, first download the image to local. https://hub.docker.com/r/gettyimages/spark/~$ Docker Pull Gettyimages/spark2, download from https://github.com/gettyimages/docker-spark/blob/master/docker-compose.yml to support the spark cluster DOCKER-COMPOSE.YML fileStart it$ docker-compose Up$ docker-compose UpCreating spark_master_1Creating spark_worker_1Attaching to Sp
Step 1: Test spark through spark Shell
Step 1:Start the spark cluster. This is very detailed in the third part. After the spark cluster is started, webui is as follows:
Step 2: Start spark shell:
In this case, you can view the shell in the following Web console:
S
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