The previous articles explained the core execution process of spark SQL and the SQL parser of the Catalyst Framework for Spark SQL to accept user input SQL, parsed to generate unresolved Logical plan. We remember another core component analyzer in the execution process of Spark SQL, and this article will describe what the analyzer does in spark SQL.Analyzer is located under the Catalyst's analysis package, and the main responsibility is to resolved ou
expires is a Web server response message header field that, in response to an HTTP request, tells the browser that the browser can cache data directly from the browser before the expiration time, without having to request it again.
Cache-control
1. Enter the global configuration mode.
Select Switch-3548> enablePassword :********Change-3548 # config tChange-3548 (config )#
2. Enable the HTTP Server of the vswitch
Switch-3548 (config) # ip http server
3. Configure the Host Name
Switch-
The Catalyst3550 switch with EMI supports three routes or bridged three-tier interfaces:
Svis: You should configure Svis for any VLAN you want to route traffic to. When you enter a VLAN ID after the interface VLAN Global Configuration command, the
This article discusses the issue of the second IP communication between the core switch and the converged switch interface.
When the core switch is configured with a second IP, the converged switch is connected to the core switch via trunk, and the
In2013Year1Month17,AMDReleasedAMDCatalyst13.1And then announced the deletion of the auto-update feature.AMDThe reason is that there is a security problem in the automatic update. Recently, details about the security problem are reported on the
I. CAT4006 engine module WS-X4013 configuration listThese include: Basic settings, VLAN configuration, Channel configuration, and port Image Port 1/2 to connect to gigabit IDS)
Cisco Systems, Inc. Console
Enter password:CAT4006> enable
Enter
It was started and entered the Rommon mode because the system could not locate the boot file and could not configure Confreg 0x2102/confreg 0x2142
You can do this only through the following steps
Rommon 1 >confreg
Configuration Summary:
=> load
Original article, please be sure to place the following paragraph at the beginning of the article.This article forwards from the technical World , the original link http://www.jasongj.com/spark/rbo/
The contents of this article are based
1, into the global configuration mode
Switch-3548 > Enable
Password: ********
Switch-3548 # config T
Switch-3548 (config) #
2, enable the switch HTTP Server
Switch-3548 (config) # IP HTTP Server
3, configure the host name
Switch-3548 (config)
-X4232-RJ-XX module and WS-U4504-FX-MT module on the Catalyst 4003/4006 used?The WS-U4504-FX-MT is the child card on the WS-X4232-RJ-XX.23 Question: What is the difference between PFC and MSFC In the Catalyst 6000 series? Are both required?Answer: The PFC sub-card can support intelligent L3/4 switching services (such as QoS and Security) without the need for a Layer-3 routing engine. PFC provides traffic ac
connect Cisco Catalyst 3524 to an existing network connected by a vswitch. The primary switch is an ipvst00009, and its GBIC is already connected to the ipvst4006 switch. I decided to use port 3 of the Catalyst 6509 module and connect the Fast Ethernet port using a 5-way adapter cable, that is, port 6509 of the
Cisco's VSS is similar to H3C's IRF
Step together
6509-1 Configuration
First step, initialize Catalyst 6509 switch
vss-sw1#conf T
6509-2 Configuration
vss-sw2#conf T
Step Two,Configure the VSS Domain ID;
VSS-SW1 (config) #s
; 1000 BaseLX/LH, multimode/single-mode optical fiber, and a maximum distance of 10 km; 1000 BaseZX is applicable to single-mode optical fiber, the maximum distance is 100 km.
There are four major C3500 models:
Catalyst 3508g xl: 8 GBIC slots
Catalyst 3512 XL: 12 port 10/100 M adaptive, 2 port GBIC slots
Catalyst 3524 XL: 24 port 10/100 M adaptive, 2 port GBIC sl
; 1000 BaseZX is applicable to single-mode optical fiber, the maximum distance is 100 km. C3500 mainly has four models: Catalyst 3508g xl: 8 GBIC slots Catalyst 3512 XL: 12 port 10/100 M adaptive, 2 port GBIC slots Catalyst 3524 XL: 24 port 10/100 M adaptive, 2 GBIC slots Catalyst 3548 XL: 48 Port 10/100 M adaptive, 2
of switches, Catalyst 6000 and Catalyst 6500, both of which contain 6 or 9 slot models: 6006, 6009, 6506, and 6509, in particular, 6509 is the most widely used. All models support the same super engine and interface module, protecting users' investment. This series of features mainly include:High port density. Support
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