BulkInsert extension method in Entity Framework Install Z.EntityFramework.Extensions: Now, I’ll show you how to use the Z.EntityFramework.Extensions package and perform bulk insert, update, and delete operations through Entity Framework. First, open the NuGet Package Manager Console window and search for the Z.EntityFramework.Extensions package. Select“Z.EntityFramework.Extensions“, then select “Project” and select the latest version, and finally click […]
Tag: bulk
Discussion on MySQL bulk data insertion scheme
Because the company has a need to insert a large amount of data, it took time to research it, and currently summarizes 5 methods: Single data loop insertion Perform sql splicing and insertion Batch insertion using mybatis plus (mp) Combined with sql splicing + loop insertion An upgraded version of 4, inserted into the same […]
Batch insert tens of millions of data into Elasticsearch bulkProcessor
1. The following is my code. In the previous test, 4 million data was successfully imported into es. Later, when the production data of 13 million was imported into es, a connection timeout error and io error occurred; public static void bulkDeleteByUserNoRequest(String index, List<String> userNos) throws IOException { //Create ES client try (RestHighLevelClient client = […]
ElasticSearch – Bulk Update Bulk Deadlock Troubleshooting
1. Question system introduction Listen to the product change MQ message, query the latest product information, and call BulkProcessor to update the product field information in the ES cluster in batches; Since there are a lot of product data, the product data is stored on the ES cluster. The entire ES cluster is divided into […]
When thread isolation (bulkhead mode) and fuse degradation occur in SpringCloud microservices (microservice failure callback), use FeignClient to integrate Sentinel and return a friendly prompt or default result to the user
Directory 1. Thread isolation 1.1 Two implementations of thread isolation 2. Fuse downgrade 2.1 Slow calls 2.2 Abnormal ratio 2.3 Abnormal number 3. FeignClient integrates Sentinel 3.1 Modify the configuration and enable the sentinel function 3.2 Writing failure downgrade logic 3.2.1 Use FallbackClass callback failure processing 3.2.2 Use FallbackFactory callback failure processing Four. Summary 4.1 […]
Code segmentation: the packaged product is too bulky, how to unpack it?
In a production environment, in order to improve page loading performance, build tools generally package the code of the project (bundle) together, so that only a small number of JS files need to be requested after going online, greatly reducing HTTP requests. Of course, Vite is no exception. By default, Vite uses the underlying packaging […]
SAP ABAP bulk upload calls BAPI to modify the profit center field of the SO line item
A recently written batch upload program with two functions: downloading templates and uploading data Then select the data and click Update to call BAPI to modify the profit center field of the SO line item * &——————————————- ————————–* * & Report ZCSD_001 * & * &———————————————- ———————–* * & * & * &———————————————- ———————–* REPORT […]
A preliminary study of Apache Hudi (9) (combination with spark)–non-bulk_insert mode
Background The previous discussion is based on the premise of ‘hoodie.datasource.write.operation’:’bulk_insert’. In this mode, there is no json file and the following files have been formed: /dt=1/.hoodie_partition_metadata /dt=1/2ffe3579-6ddb-4c5f-bf03-5c1b5dfce0a0-0_0-41263-0_20230528233336713.parquet /dt=1/30b7d5b2-12e8-415a-8ec5-18206fe601c0-0_0-22102-0_20230528231643200.parquet /dt=1/4abc1c6d-a8aa-4c15-affc-61a35171ce69-0_4-22106-0_20230528231643200.parquet /dt=1/513dee80-2e8c-4db8-baee-a767b9dba41c-0_2-22104-0_20230528231643200.parquet /dt=1/57076f86-0a62-4f52-8b50-31a5f769b26a-0_1-22103-0_20230528231643200.parquet /dt=1/84553727-be9d-4273-bad9-0a38d9240815-0_0-59818-0_20230528233513387.parquet /dt=1/fecd6a84-9a74-40b1-bfc1-13612a67a785-0_0-26640-0_20230528231723951.parquet Because it is a bulk insert operation, there is no need to deduplicate, so the native method of spark is directly […]
A preliminary study of Apache Hudi (eight) (combination with spark)–non-bulk_insert mode
Background The previous discussion is based on the premise of ‘hoodie.datasource.write.operation’:’bulk_insert’. In this mode, there is no json file and the following files have been formed: /dt=1/.hoodie_partition_metadata /dt=1/2ffe3579-6ddb-4c5f-bf03-5c1b5dfce0a0-0_0-41263-0_20230528233336713.parquet /dt=1/30b7d5b2-12e8-415a-8ec5-18206fe601c0-0_0-22102-0_20230528231643200.parquet /dt=1/4abc1c6d-a8aa-4c15-affc-61a35171ce69-0_4-22106-0_20230528231643200.parquet /dt=1/513dee80-2e8c-4db8-baee-a767b9dba41c-0_2-22104-0_20230528231643200.parquet /dt=1/57076f86-0a62-4f52-8b50-31a5f769b26a-0_1-22103-0_20230528231643200.parquet /dt=1/84553727-be9d-4273-bad9-0a38d9240815-0_0-59818-0_20230528233513387.parquet /dt=1/fecd6a84-9a74-40b1-bfc1-13612a67a785-0_0-26640-0_20230528231723951.parquet Because it is a “bulk insert” operation, there is no need to deduplicate, so the native method of spark is directly […]
X2000 freeRTOS usb_bulk communication
Routine Official routine ..\freertos\example\usb\device\gadget_generic_bulk.c, the code is as follows: #include <common.h> #include <usb/gadget_bulk.h> #include <os.h> static const struct gadget_id bulk_id = { .vendor_id = 0x1CBE, .product_id = 0x0003 }; static void bulk_connect_callback(int connect) { printf(“generic_bulk_connect_callback %d\\ “, connect); } static unsigned char usb_test_buf[1024]; static const char *usb_test_char = “hello world!\r\\ “; static void usb_gadget_bulk_thread(void *data) […]