tso ispf

How do I use ISPF to create a file dataset with a specified record length and a fixed size?Specific steps :1. Log in TSO and enter the ISPF main interface, enter command 3.2, and right CTRL to enter.2. Enter the assignment data set interface, now customize the dataset information, enter the dataset name, the volume serial number, and then enter the A (ALLOCATE) c

OverviewIn computer networking, large segment offload (LSO) is a technique for increasing outboundThroughput of high-bandwidth network connections by grouping CPU overhead. It works by queuingUp large buffers and leader the network interface card (NIC) split them into separate packets.The technique is also called TCP segmentation offload (TSO) when applied to TCP, or genericSegmentation offload (GSO ).The inbound counterpart of large segment offload i

following step-by-step idea. Finally corrected the bug:1. Verify that the service-side program has the DF flag set.This is obvious. The ICMP need frag information is triggered by packets that have only the DF flag.2. Question: When TCP sends data to IP. Will detect the MTU, and then determine the MSS, knowing the value of MSS. How can I send an overrun package? There is little likelihood of calculating errors. Linux, after all, is quasi-industrial.3. Question: Fortunately I knew some nouns at t

TSO, the full name is TCP segmentation offload, we know that the MTU of Ethernet is usually 1500, except for TCP/IP header, TCP's MSS (Max Segment size) size is 1460, In general, the protocol stack will be more than 1460 of the TCP payload to segmentation, to ensure that the generated IP packet does not exceed the MTU size, but for the support of the TSO/GSO network card, it is not necessary, we can put up

thinking, finally corrected the bug:1. Verify that the service-side program has the DF flag set. This is obvious, because only packets with the DF flag will trigger the ICMP need frag information.2. Question: When TCP sends data to the IP, it detects the MTU, and then determines the MSS, knowing the value of the MSS, how to send an overrun packet? Computing errors are unlikely, after all, Linux is quasi-industrial.3. Question: Fortunately I knew some nouns, so I thought of TCP Segment offload t

thinking, finally corrected the bug:1. Verify that the service-side program has the DF flag set. This is obvious, because only packets with the DF flag will trigger the ICMP need frag information.2. Question: When TCP sends data to the IP, it detects the MTU, and then determines the MSS, knowing the value of the MSS, how to send an overrun packet? Computing errors are unlikely, after all, Linux is quasi-industrial.3. Question: Fortunately I knew some nouns, so I thought of TCP Segment offload t

Implementation principle of TCP Segment Offload (TSO), offloadtsoIt was so hot in the morning that I suddenly remembered that someone had talked to me about TSO three weeks ago. I also described the principle of TSO. This principle is also very simple. It is nothing more than segmentation by network card hardware, calculate the checksum to free up the CPU cycle.

Implementation principle of TCPSegmentOffload (TSO)It was so hot in the morning that I suddenly remembered that someone had talked to me about TSO three weeks ago. I also described the principle of TSO. This principle is also very simple. It is nothing more than segmentation by network card hardware, calculate the checksum to free up the CPU cycle. In fact, one p

The morning is too hot, suddenly remembered three weeks ago someone talked to me about Tso's problem, I also described its principle, this principle is also particularly simple, is to rely on the network card hardware to segment, calculate checksum, thereby freeing the CPU cycle. In fact, as long as said one is enough, since relying on hardware to segment, then only by the hardware to calculate checksum, because you do not know the hardware of the segmented details, so you can not calculate in t

This may be the most boring post in my blog. Because my previous ID ev6871 is invalid, an ID ev606a is released today. I used to think that Tso ID came in order. The leader's ev603m let me watch it and envy me so much ahead of 6871 and carry letters, which is awesome. After dividing this number, I found that not all bits correspond to a bits, because I am not yet B, and I don't know when it will happen. Will I be able to work with B after this line

in the future? So I decided to listen less in the future. Although I learned slowly, the overall effect must be better. Today is the 9th day, and the training lasts for four days. According to the instructor's progress, the content has gone from the mainframe overview, to the Z/Oz overview, to the TSO, to the ispf/pdf, even after jcl is finished, the speed is fast. Although I didn't listen to it, I have t

Optimization on the sending path 　　TSO (TCP segmentation offload) TSO (TCP segmentation offload) is a technology that uses the network card to split large data packets and reduce the CPU load. It is also called LSO (large segment offload ), if the data packet type can only be TCP, it is called Tso. If the hardware supports the

This is a creation in Article, where the information may have evolved or changed. This series of articles is mainly for TIKV community developers, focusing on tikv system architecture, source structure, process analysis. The goal is to enable developers to read, to have a preliminary understanding of the TIKV project, and better participate in the development of TIKV. TIKV is a distributed KV system that uses the Raft protocol to ensure strong data consistency, while supporting distributed trans

Tags: nal dep group Art LEFT join bool _id sum warSelect row. *, RowNum rownumFrom (select PartyId, Partyname, Partycode, sum (ordernum) as Ordernum, sum (orderamount) as OrderAmount From (select Pp.id as PartyId, pp.name as Partyname, Pp.code as Partycode, Count (tso.id) as Ordernum, "SUM" (case when tsoh.order_type = ten th En (TSO. Unit_price * TSO. Final_quantity-(

two functions: void napi_enable (struct napi *napi); void napi_disable (struct napi *napi);Optimized TSO (TCP segmentation offload) on the Send pathTSO (TCP segmentation offload) is a technology that uses network cards to divide large packets, reduce CPU load, and is also called LSO (Large segment offload), if the packet type is only TCP, it is called TSO, if If the hardware supports

A dream of red mansions is really a great work, Cao Xueqin read ten additions and deletions five times written in the red mansions, not our eyes see so simple.Gary is in the light of the romance, Tso Kung has clearly told us: "Do not shine on the front, just follow his back." Fat Yan Zhai criticism is said to understand: the positive you have already self-taste, you also think the opposite is. And clouds: The book is a metaphor. Re-cloud: The viewer r

. Theoretically, as long as the datastore that provide multi-version data support can be applied to OMID implementations. Unlike Percolator, Percolator completes transaction support by BigTable itself with a two-phase commit to store the lock information, and Omid's transaction implementation is based on the central server quorum-free scheme, and the following is a concrete look at how he is implemented. First, as with most MVCC scenarios, Omid requires a to (timeoracle Time service) to provide

:Autonegotiate:onRx:onTx:onwherein, the RX flow control is open, TX flow control is open;Users can turn flow control on or off with the following command:#./ethtool-a eth0 rx off (off Rx flow control)#./ethtool-a eth0 Rx on (Turn on Rx flow control)#./ethtool-a eth0 TX off (off TX flow control)#./ethtool-a eth0 TX on (open TX stream control) The GMAC module supports TSO functionality and is turned on by default, and can be turned off by tool Ethtool

TSOTSO is the abbreviation for TIME Sharing option and is the MVS command input processor.TSO is under the management of the operating system, to support the ISPF menu-type session system and resource management equipment (RMF), and the application and the system provides a variety of tools are ISPF support, the completion of their respective tasks.RMFRMF is an IBM product for performance analysis, capacity

("Scripting.FileSystemObject") ' Sets the FSO object to access the CatchfileSet TSO=FSO. CreateTextFile (Cfoldercfile,true)TSO. Write (Catchdata)Set tso=nothingSet fso=nothingEnd SubEnd Class%> Document II: filecatch-inc.asp Copy Code code as follows: Function Ireadcatch (File,data,rev) Dim Fso,tso S