database capacity planning oracle

multipath configuration is correct. The information is as follows:[[Emailprotected]~]#fdisk-l ...] disk/dev/mapper/mpathb:2684.4gb,2684354560000bytesheads,63 sectors/track,326354cylindersunits=cylindersof16065*512= 8225280bytesSectorsize (logical/physical):512bytes/512 bytesi/osize (Minimum/optimal): 512bytes/512bytesdiskidentifier: 0x00000000deviceboot StartEnd BlocksIdSystem/dev/mapper/mpathbp1 1 2673502147483647+eegpt ...The above information can be found in the GPT partition format, the nex

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is recommended to partition the data table space, (please Zhou Yan to confirm)Different table spaces assigned to each tableBuild Message Index Table tablespace: EmailindexReference statement: (path depending on the situation, 20G is the recommended size, can be reduced as appropriate, but not recommended less than 10G)　　Create tablespace emailindex datafile '/mail/oracle/oradata/datafile/emailindex01.dbf ' size 20g;7.

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system mainly stores the content of the document category, you need to increase the proportion appropriately, that is, closer to 12%. For example, if only one part of the content is of the document type, we need to prepare 840 GB * 8% * 3 = GB space for the index file. Note: If the indexing service runs on an independent Index Server in your Sharepoint Server Farm, you need to prepare such a large disk space on the Index Server. 4. If the query service is not running on the same server as the i

Web Capacity Planning Pricing: ￥29.00 Member price: ￥21.75 (off)Original Title: The art of Capacity Planning: Scaling Web ResourcesOriginal Press: o'reilly MediaAuthor: John allspawTranslator: ye Fei; Luo jianghua [same translator's work]Series name: Beijing huazhang graphic information Co., Ltd. O' Reilly SeriesPress:

MONGO is a memory-based database that should try to load all the data in the working set into memory, that is, the memory should be larger than the working setThis article is translated from Chad Tindel's English blog: http://www.mongodb.com/blog/post/capacity-planning-and-hardware-provisioning-mongodb-ten-minutes.Most MONGODB deployments run in clusters of multi

from MongoDB University. System performance and capacity planning are two important themes, and any deployment needs to address both issues, both RDBMS and NoSQL databases. As part of our planning, we should establish baselines for data volumes (volume), System load, performance (throughput and latency), and capacity

Tags: oracle max database size max tablespace size max datafile sizeMaximum data capacity limits for Oracle databases and maximum data capacity limits for table spacesReference text:What's the Maximum tablespace Size and Database

Database scale and capacity planning includes estimation of system resources required to meet enterprise-level business objectives. Good capacity planning not only focuses on meeting current needs, but also adjusts the system size for future needs, so that the

From http://www.enkj.com/help/newscontent/113209 The database as the name implies is the collection of data is also a virtual host to build a Web site storage data tool, and Oracle is the management of these data collection software system, it is an object-relational database management system. A tablespace is a logical mapping of Oracle's related data on a phys

,bytes/1024/1024 from Dba_data_files where tablespace_name= ' USERS ';--View Table space remainingSelect SUM (bytes/1024/1024) sizemb from Dba_free_space z where z.tablespace_name= ' USERS ';--Modify the tablespace file sizeALTER DATABASE datafile '/HOME/ORACLE/ORADATA/EASYWEB/DATA3_01.DBF ' resize 10000M MAXSIZE UNLIMITED;ALTER DATABASE datafile '/HOME/

,round (SUM (bytes_used)/(1024*1024), 2) Used_space, Round (sum (bytes_free)/(1024*1024), 2) free_space From V$temp_space_header GROUP by Tablespace_name) F where D.tablespace_name = F.tablespace_name (+) --undo table Space SELECT Seg.tablespace_name "tablespace name", ts.bytes/1024/1024 "TS Size (MB)", Ue.status "UNDO status", COUNT (*) "Used extents", Round (sum (ue.bytes)/1024/1024, 2) "Used Size (MB)", Round (sum (ue.bytes)/ts.bytes*100, 2) "Used Rate (%)" From Dba_segments SEG,

support staff is usually high. Are skilled personnel available? Do you need to add new recruits? Do you need to hire a consultant at a high price? · Hardware overhead-evaluates hardware requirements based on speed and storage capacity needs. For OLTP databases, concurrency, on-board Ram, dedicated hardware devices (RAID matrix), and network bandwidth are all important factors. The storage space design and I/O performance are also important for data w

1. View all table space sizessql> Select Tablespace_name,sum (bytes)/1024/1024 from Dba_data_files Group by Tablespace_name;2. The size of the table space that has been idlesql> Select Tablespace_name,sum (bytes)/1024/1024 from Dba_free_space Group by Tablespace_name;3. So the use of space can be calculated like thisSelect A.tablespace_name,total,free,total-free used from(select Tablespace_name,sum (bytes)/1024/1024 Total from Dba_data_filesGroup by Tablespace_name) A,(select Tablespace_name,sum

The Oracle tutorial being looked at is the concept, usage, and planning of the Oracle rollback segment and resolution of the problem. Rollback segment management is always a difficult problem in Oracle database management, this paper introduces the concept, usage,

The ORACLE tutorial is about the concept, usage, planning, and problem solving of Oracle rollback segments. Rollback segment management has always been a problem in ORACLE Database Management. This article introduces the concept, usage,