pg admin 3

Python Django framework completes a complete Forum (2. urls. py configuration, static file), django2.urls. py Final effect: http://www.cnblogs.com/xuyiqing/p/8274912.html Urls. py Configuration: """BlogTest URL ConfigurationThe `urlpatterns` list

IBM Blockchain Series Hyperledger, in addition to the most core of the fabric network also out a series of tools and engineering, this is recorded under the Blockchain browser installation deployment, the current version is to use the PostgreSQL

Reprint please indicate the origin of the http://www.cnblogs.com/chenxianpao/p/5878159.html trotThis article only combed the general process, the details of the part has not been too understanding, there is time to see, and then add, there are

Reproduced GMT Terrain Data Summary Original address:GMT Terrain Data Summary JasonReprint: Http://seisman.info/gmt-topo-grid-datas.html currently exposed to the terrain data are mainly three kinds: Etopo, GTOPO30

Ceph environment setup (2)1. There are three layout hosts: node1, node2, and node3. Each host has three osdks, as shown in figure. osd1, and 8 are SSD disks, 4 is the SATA disk. Each of the three hosts has a Monitor and an MDS. We use osd1, 3, and 4

Test environment: PostgreSQL 9.3.5,slony-i2.2.3 (Application stack Builder provides) the following reference online tutorials for your own test summary---------------------------------------------------------------------------------------------------

Ceph's data management begins with the Ceph client's write operation, and since Ceph uses multiple replicas and strong consistency policies to ensure data security and integrity, a write request data is written to the primary OSD first and then

CentOS7 install Ceph 1. installation environment | ----- Node1 (mon, osd) sda is the system disk, and sdb and sdc are the osd disks. | | ----- Node2 (mon, osd) sda is the system disk, and sdb and sdc are the osd disks. Admin ----- | | ----- Node3

Pre-Preparation:Planning: 8 MachinesIP hostname Role192.168.2.20 Mon Mon.mon192.168.2.21 OSD1 OSD.0,MON.OSD1192.168.2.22 osd2 osd.1,mds.b (Standby)192.168.2.23 OSD3 Osd.2192.168.2.24 OSD4 Osd.3192.168.2.27 Client Mds.a,mon.client192.168.2.28 OSD5

Ceph provides three storage methods: Object Storage, block storage, and file system. The following figure shows the architecture of the Ceph storage cluster:We are mainly concerned about block storage. In the second half of the year, we will