{"id":3451,"date":"2021-07-26T07:07:11","date_gmt":"2021-07-26T07:07:11","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=3451"},"modified":"2021-07-26T07:07:11","modified_gmt":"2021-07-26T07:07:11","slug":"pyspark-serializatory","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/pyspark-serializatory\/","title":{"rendered":"PySpark \u2014 \u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u044b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432 Apache Spark.&nbsp;\u0412\u0441\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u043e \u0441\u0435\u0442\u0438 \u0438\u043b\u0438 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u0434\u0438\u0441\u043a \u0438\u043b\u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b.&nbsp;\u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438\u0433\u0440\u0430\u0435\u0442 \u0432\u0430\u0436\u043d\u0443\u044e \u0440\u043e\u043b\u044c \u0432 \u0434\u043e\u0440\u043e\u0433\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u0445.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PySpark \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0435 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u044b \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.&nbsp;PySpark \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0434\u0432\u0430 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u0430:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MarshalSerializer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0443\u0435\u0442 \u043e\u0431\u044a\u0435\u043a\u0442\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f Python\u2019s Marshal Serializer.\u00a0\u042d\u0442\u043e\u0442 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c PickleSerializer, \u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043c\u0435\u043d\u044c\u0448\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">class pyspark.MarshalSerializer\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">PickleSerializer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0443\u0435\u0442 \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e Python Serializer.&nbsp;\u042d\u0442\u043e\u0442 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043b\u044e\u0431\u043e\u0439 \u043e\u0431\u044a\u0435\u043a\u0442 Python, \u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043d\u0435 \u0442\u0430\u043a \u0431\u044b\u0441\u0442\u0440, \u043a\u0430\u043a \u0431\u043e\u043b\u0435\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u044b.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">class pyspark.PickleSerializer\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 PySpark.&nbsp;\u0417\u0434\u0435\u0441\u044c \u043c\u044b \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0443\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f MarshalSerializer.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">--------------------------------------serializing.py-------------------------------------\nfrom pyspark.context import SparkContext\nfrom pyspark.serializers import MarshalSerializer\nsc = SparkContext(\"local\", \"serialization app\", serializer = MarshalSerializer())\nprint(sc.parallelize(list(range(1000))).map(lambda x: 2 * x).take(10))\nsc.stop()\n--------------------------------------serializing.py-------------------------------------\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u041a\u043e\u043c\u0430\u043d\u0434\u0430<\/strong>&nbsp;\u2014 \u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$SPARK_HOME\/bin\/spark-submit serializing.py<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432 Apache Spark.&nbsp;\u0412\u0441\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u043e \u0441\u0435\u0442\u0438 \u0438\u043b\u0438 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u0434\u0438\u0441\u043a \u0438\u043b\u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u0432 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[111],"tags":[],"class_list":["post-3451","page","type-page","status-publish","hentry","category-pyspark"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/3451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/comments?post=3451"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/3451\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=3451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=3451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=3451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}