Cluster and space consumption

I'm confused about some thing in regards to clusters. I have about 1GB wort of data when it is not in a cluster, just in a normal table. If I create a cluster and insert the data in to this cluster it consumes more space, and that was fully expected. When I tried the first few times it took 13GB of space. The table space was 30GB large and contained a few other tables. Then I cleaned out the table space so only 2% of the space was used and added another 30GB to the table space and ran the test once more. Now it is consuming more than 40GB and is still not completed. So my question is does the size the cluster consume depend on the size and available space of the tablespace it is in? Is there a way to limit the size it is allowed to use other than to put it in a separate tablespace?

Hi Marius,
First, by "cluster" you mean sorted cluster tables, right?
http://www.dba-oracle.com/t_sorted_hash_clusters.htm
So my question is does the size the cluster consume depend on the size and available space of the tablespace it is in?These are "hash" clusters, and you govern the range of hash cluster keys, and hence, the range where Oracle will store the rows.
http://www.stanford.edu/dept/itss/docs/oracle/10g/server.101/b10739/hash.htm
Oracle Database uses a hash function to generate a distribution of numeric values, called hash values, that are based on specific cluster key values. The key of a hash cluster, like the key of an index cluster, can be a single column or composite key (multiple column key). To find or store a row in a hash cluster, the database applies the hash function to the cluster key value of the row. The resulting hash value corresponds to a data block in the cluster, which the database then reads or writes on behalf of the issued statement.

Similar Messages

  • Question about the Cluster and Column width in Graphs in Illustrator CS2

    How do they relate to each other? How do the Percentages work together? Is there any information about how you can mathematically figure how much area each Cluster width takes. If you make a graph and make both the cluster and column widths 100%, the entire area is filled. If you make the Column width 50% the bar will sit exactly in the center of the Cluster width, but if you make the cluster width 75%, the bars move closer together.

    Gregg,
    The set of bars that represent each row of data in the graph spreadsheet is called a "cluster".
    Let's let
       W = the width of the whole area inside the graph axes
       R = the number of rows of data
       C = the number of columns of data
    Then the maximum potential space to use for each row of data is W/R. The cluster width controls how much of this potential space is assigned to each row. This cluster space is then divided by C, giving the maximum potential width of each bar. The maximum potential width for each bar is then multiplied by the column width percentage to get the actual width of each bar.
    So the actual width of each bar is ((W/R)*Cluster width)/C)*Column width
    The graphs illustrated below have three rows of data, with two columns each. The solid colored areas in the background have the same cluster width as the main graph, but they all have a column width of 100%. This lets you see more easily how the gradient bars that have a column width of 80% are using up 80% of their potential width.
    Notice that as the Cluster percentage gets lower, the group of bars that represent a row of data get farther apart, so that you can more easily see the "clumping" of rows. When the Cluster percentage is 100%, the columns within each row are no closer to each other than they are to the columns in other rows.
    As the Column percentage gets lower, the bars for each data value occupy less of the space within their row's cluster, so that spaces appear between every bar, even in the same row.

  • Need of Cluster and Pool Table in SAP

    Can anybody explain an importance of Cluster and Pool Table concept in SAP.

    Hi Hema,
    Given link was Helping but still I have few things as part of concept of Cluster and Pool Tables.
    (1) As cluster and Pool, both are logical table in SAP, it doesn't have physical existence in Database. Means, a single database  table (Actual physical in database server ) may contain more than one pool and cluster tables' data. Likewise it decrease no of Tables at database server whereas the amount of data may remain same. So, my question is how does it benefit in respect of Memory space at database server or any other means.?
    (2). As per one of the difference between Cluster and Pool table - Tables pools doesn't need to have foreign key relationship whereas in case of cluster table it it must to have foreign key relationship. Why is it so..?
      Hope I have brought more clarity to my doubt.
    Regards,
    Chetan.

  • SCOM cluster disk space monitor

    Hi Guys,
    Can we monitor the cluster disks thresholds by taking the samples as we do in the logical disks??
    Because i cannot see that option coming in the cluster disk space monitor when i am overriding the monitor.There is no option for the number of samples coming in that. I want the monitor to check the utilization three times and if it exceeds then generate
    an alert.
    Thanks
    Ashish

    Hi,
    As you mentioned, threre is no option for the number of samples, you may need to rewrite the MP.
    Please refer to the following links which should be helpful for our question.
    Management Pack Authoring Options
    http://www.code4ward.net/2012/07/06/system-center-2012-operations-manager-authoring-options/
    OpsMgr: MP Update: New Base OS MP 6.0.6972.0 Adds new cluster disks, changes free space monitoring, other fixes
    http://blogs.technet.com/b/kevinholman/archive/2012/06/14/opsmgr-mpupdate-new-base-os-mp-6-0-6972-0-adds-new-cluster-disks-changes-free-space-monitoring-other-fixes.aspx
    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

  • 2 Hyper-V Servers with Failover Cluster and a single File Server and .VHDs stored on a SMB 3 Share

    I have 2 X M600 Dell Blades (100 GB local storage and 2 NICs)  and a Single R720 File Server (2.5 TB local SAS storage and 6 NICs).  I´m planning a Lab/developer enrironment using 2 Hyper-V Servers with Failover Cluster and a single File Server putting
    all  .VHDs stored on a SMB 3 Share on the File Server.
    The ideia is to have a HA solution, live migration, etc, storing the .VHDs onm a SMB 3 share
    \\fileserver\shareforVHDs
    It is possible? How Cluster will understand the
    \\fileserver\shareforVHDs as a cluster disk and offer HA on it?
    Or i´ll have to "re-think" and forget about VHDs on SMb 3 Share and deploy using iSCSI?
    Storage Spaces makes difference in this case?
    All based on wind2012 R2 STD English version

    I have 2 X M600 Dell Blades (100 GB local storage and 2 NICs)  and a Single R720 File Server (2.5 TB local SAS storage and 6 NICs).  I´m planning a Lab/developer enrironment using 2 Hyper-V Servers with Failover Cluster and a single File Server putting
    all  .VHDs stored on a SMB 3 Share on the File Server.
    The ideia is to have a HA solution, live migration, etc, storing the .VHDs onm a SMB 3 share
    \\fileserver\shareforVHDs
    It is possible? How Cluster will understand the
    \\fileserver\shareforVHDs as a cluster disk and offer HA on it?
    Or i´ll have to "re-think" and forget about VHDs on SMb 3 Share and deploy using iSCSI?
    Storage Spaces makes difference in this case?
    All based on wind2012 R2 STD English version
    You can do what you want to do just fine. Hyper-V / Windows Server 2012 R2 can use SMB 3.0 share instead of a block storage (iSCSI/FC/etc). See:
    Deploy Hyper-V over SMB
    http://technet.microsoft.com/en-us/library/jj134187.aspx
    There would be no shared disk and no CSV just SMB 3.0 folder both hypervisor hosts would have access to. Much simplier to use. See:
    Hyper-V recommends SMB or CSV ?
    http://social.technet.microsoft.com/Forums/en-US/d6e06d59-bef3-42ba-82f1-5043713b5552/hyperv-recommends-smb-or-csv-
    You'll have however a limited solution as your single physical server being a file server would be a single point of failure.
    You can use Storage Spaces just fine but you cannot use Clustered Storage Spaces as in this case you'll have to take away your SAS spindles from your R720 box and mount them into SAS JBOD (make sure it's certified). So you get rid of an active components
    (CPU, RAM) and keep more robust all-passive SAS JBOD as your physical shared storage. Better then a single Windows-running server but for a true fault tolerance you'll have to have 3 SAS JBODs. Not exactly cheap :) See:
    Deploy Clustered Storage Spaces
    http://technet.microsoft.com/en-us/library/jj822937.aspx
    Storage Spaces,
    JBODs, and Failover Clustering – A Recipe for Cost-Effective, Highly Available Storage
    http://blogs.technet.com/b/storageserver/archive/2013/10/19/storage-spaces-jbods-and-failover-clustering-a-recipe-for-cost-effective-highly-available-storage.aspx
    Using
    Storage Spaces for Storage Subsystem Performance
    http://msdn.microsoft.com/en-us/library/windows/hardware/dn567634.aspx#enclosure
    Storage
    Spaces FAQ
    https://social.technet.microsoft.com/wiki/contents/articles/11382.storage-spaces-frequently-asked-questions-faq.aspx
    Alternative way would be using Virtual SAN similar to VMware VSAN in this case you can get rid of a physical shared storage @ all and use cheap high capacity SATA spindles (and SATA SSDs!) instead of an expensive SAS.
    Hope this helped :)
    StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

  • When to cluster and when not?

    Hi all,
    I have been taught to group similiar control/indicator in a cluster for subvi.  However, lately, I realized that it takes a lot of space to bundle and unbundle cluster.  If I have use cluster for the input/output of many of my subvis, I wont' have much space left.  However, I do realized that the cluster funciton document the block diagram nicely. 
    Due to space problem, I start creating more individual single input/output instead of cluster, and it makes the code cleaner, but less documented. 
    How do you draw the line?
    Yik
    Kudos and Accepted as Solution are welcome!

    jyang72211 wrote:
    Hi all,
    I have been taught to group similiar control/indicator in a cluster for subvi.  However, lately, I realized that it takes a lot of space to bundle and unbundle cluster.  If I have use cluster for the input/output of many of my subvis, I wont' have much space left.  However, I do realized that the cluster funciton document the block diagram nicely. 
    Due to space problem, I start creating more individual single input/output instead of cluster, and it makes the code cleaner, but less documented. 
    How do you draw the line?
    Yik
    You have been taught well!
    and yes- using clusters does cause a space hit on the BD's  For now! looking forward, since this claims to be on the way, You can think about moving the line towards clusters and away from individual elements.  Ravens Fan's tip on using the caption is another graet idea on how to minimize the BD space effects.
    Now I'd like to give you my take on "How to draw the line."  
    Many good points were made- and a lot of posters have some well reasoned arguments for or against based on Connector panes, Style guides, BD readability and personal preferances.  Yet I think it is worthwhile to dig into what improves your code.
    I've learned that only three things help me decide how to structure data:
    Abstraction-  Can I group these variables in a why that hides details at upper levels and displays the details where they are used?  A VISA Resource is a great example of abstraction One simple wire but, wow! access to each individual property when you need it.  A cluster is another good way to abstract data.  One discriptive name for a scalable group of variables.
    Encapsulation- Can I reduce the number of data containers by organizing them in a heirarchy?  Windows folders are one example- they don't really do anything but hold files in related groups.  This may be the worst excuse for using a cluster if your "filing system" is poor. 
    Cohesion- Can I reduce coding errors by demanding a special wire type?  By useing a type-def cluster you will see that the data must be passed as a group- you cannot accidentally cross two bools that the sub-vi uses or misswire any data type.  at the least youl break the vi where there are mis-typed clusters.
    Again, this skill is something that each programmer developes with time but, intentionally exploring data managment concepts like abstraction, encapsulation and cohesion will help this skill grow like super-vitamins!
    Jeff

  • NULL and Space value in ABAP

    Hi All,
           I like to know, is it NULL and Space value is same in ABAP, if it is not how to check null value.
    Thank you.
    Senthil

    everything is correct though some answers are not correct.
    A Database NULL value represents a field that has never been stored to database - this saving space, potentially.
    Usually all SAP tables are stored with all fields, empty fields are stored with their initial value.
    But: If a new table append is created and the newly-added fields do not have the 'initial value' marked in table definition, Oracle will just set NULL values for them.
    as mentioned: There is no NULL value to be stored in an ABAP field. The IS NULL comparison is valid only for WHERE clause in SELECT statement. WHERE field = space is different from WHERE field IS NULL. That's why you should check for both specially for appended table fields.
    If a record is selected (fulfilling another WHERE condition) into an internal table or work area, NULL values are convertted to their initial values anyway.
    Hope that sheds some light on the subject!
    regards,
    Clemens

  • NULL and SPACE

    Hello Gurus:
    I have had to use BOTH 'null' and 'space' (ofcourse I tried 'initial' too...) when selecting data from PRPS table, otherwise all the required records were not fetched. I had to do this on two different occassions. The first is a SAP provided field and the other is customer's enhancement. I have cut-paste the two code blocks. Any ideas why?
    Thanks in advance,
    Sard.
    ***********(1)**************
    select posid objnr func_area zzfunct from prps into
                    corresponding fields of table it_wbs
                              where func_area is null or
                                    func_area eq space.
    ************(2)**************
    select prps-pspnr prps-posid prps-post1
       into (wa_test1-pspnr, wa_test1-posid, wa_test1-post1,
       from prps
      where prps-posid in s_wbs and
            ...                 and
           ( prps-zzmlind is null or prps-zzmlind eq space ).
    append wa_test1 to it_test1.
    clear wa_test1.
    endselect.

    Hello Richard,
    the Requirement to check for NULL corresponds to the definition of the database (field) within the DDIC. Check the flag initialize (it has also some documentation).
    This flag is intended to be used if the definition of the db table is changed at SAP while the table already is used at customer side.
    After deploying the corresponding patch or upgrade such a changed definition may result into the need to convert all entries. For tables with many entries this would result into inacceptable downtime. So such changes are done without the initialiazation/conversion of existing entries.
    The tradeoff is the syntax you noticed.
    Kind regards
    Klaus

  • Some error in cluster alertlog but the cluster and database is normal used.

    hi.everybody
    i used RAC+ASM,RAC have two nodes and ASM have 3 group(+DATA,+CRS,+FRA),database is 11gR2,ASM used ASMlib,not raw.
    When i start cluster or auto start after reboot the OS,in the cluster alertlog have some error as follow:
    ERROR: failed to establish dependency between database rac and diskgroup resource ora.DATA.dg
    [ohasd(7964)]CRS-2302:Cannot get GPnP profile. Error CLSGPNP_NO_DAEMON (GPNPD daemon is not running).
    I do not know what cause these error but the cluster and database can start normal and use normal.
    I do not know whether these errors will affect the service.
    thanks everybody!

    anyon has the same question?

  • No distinction between NULL and space

    No distinction between NULL and space. When you see the resultset, in PL/SQL developer, you will see that the NULL value is in yellow colour while column data having spaces is in white colour. In the new tool, there is not distinction between the two, so each time we will have to use the NVL function to determine the value in the column, which I would not like to do.

    An option in Preferences could be created, so that it was possible to choose as values NULL would be shown, as already it occurs in other tools.

  • What key(s) do i type to change language from english to other? i am writing s story in dual languages. i was told to click command and space bar together but it is not working.

    what key(s) do it type to change language from english to other? i am writing a story in dual languages. I was told to click command and space bar together but it is not working.

    Command Spacebar opens Spotlight as you have found out. If you want to change languages you need to say what app you are using to write the story in, I'm guessing you are using Pages or MS Word. If that's the case
    Pages: Open Inspector - Click the T tab - Click Language and change your language.
    MS Word: Tools Menu - Language - Choose your language.

  • I am having trouble using reverb of any kind; it does not sound natural, but rather "pixilated." Does anyone have any ideas for a solution? I have used Silververb and Space Designer and am having the same problem...

    I am using Logic Pro 9 with two MXL 990 microphones in my piano and a Rode NT1A for vocals. I have tried recording with added reverb and keeping getting not a natural reverb sound, but a rather "pixilated" one that does not sound natural. Does anyone have any ideas on how to solve this issue? I have tried using Silververb and Space Designer, and both result in the same problems. Thank you!

    This is asking for the impossible! It does not sound natural because maybe it isn't and in judging so whats your reference anyway. If you are in dire need of some natural sounding room you can go and record it yourself. But even then, the chances that it sounds like you imagined it, are very slim.
    There are very decent sounding reverberation plugins, based on artificial reverb generators or convolution-style, the last one is said to sound more 'natural' then the first one. Be it as it maybe, it really is like cooking food. You got all the ingredients for this delicious taste at hand and believe it or not to reach a satisfying result this is not enough, because if you do not mix the ingredients in the right proportion you will end up with a different dish you thought you'll get. This is exactly the same when one would mix audio, I dare say.
    So treat yourself to some good ingredients and the rest is up to you, namely: taste and experience!
    And looking at some of my past music productions I always find the same plugins for the 'ambient' task:
    Altiverb by Audio Ease when I have acoustic ensembles (classical music mostly), the Sony Oxford Reverb in studio productions, Bricasti when I have to deal with drums and MMultiBandReverb from MeldaProduction for all-round stuff. Thats the base I start from, after that I can end up with dozen Reverb plugins which basically all are doing the same thing but just in a tiny different way.

  • When setting up converged network in VMM cluster and live migration virtual nics not working

    Hello Everyone,
    I am having issues setting up converged network in VMM.  I have been working with MS engineers to no avail.  I am very surprised with the expertise of the MS engineers.  They had no idea what a converged network even was.  I had way more
    experience then these guys and they said there was no escalation track so I am posting here in hopes of getting some assistance.
    Everyone including our consultants says my setup is correct. 
    What I want to do:
    I have servers with 5 nics and want to use 3 of the nics for a team and then configure cluster, live migration and host management as virtual network adapters.  I have created all my logical networks, port profile with the uplink defined as team and
    networks selected.  Created logical switch and associated portprofle.  When I deploy logical switch and create virtual network adapters the logical switch works for VMs and my management nic works as well.  Problem is that the cluster and live
    migration virtual nics do not work.  The correct Vlans get pulled in for the corresponding networks and If I run get-vmnetworkadaptervlan it shows cluster and live migration in vlans 14 and 15 which is correct.  However nics do not work at all.
    I finally decided to do this via the host in powershell and everything works fine which means this is definitely an issue with VMM.  I then imported host into VMM again but now I cannot use any of the objects I created and VMM and have to use standard
    switch.
    I am really losing faith in VMM fast. 
    Hosts are 2012 R2 and VMM is 2012 R2 all fresh builds with latest drivers
    Thanks

    Have you checked our whitepaper http://gallery.technet.microsoft.com/Hybrid-Cloud-with-NVGRE-aa6e1e9a for how to configure this through VMM?
    Are you using static IP address assignment for those vNICs?
    Are you sure your are teaming the correct physical adapters where the VLANs are trunked through the connected ports?
    Note; if you create the teaming configuration outside of VMM, and then import the hosts to VMM, then VMM will not recognize the configuration. 
    The details should be all in this whitepaper.
    -kn
    Kristian (Virtualization and some coffee: http://kristiannese.blogspot.com )

  • Firefox 3.6.11 does not respond on mouse, only Tab key and space bar

    HW: Lenovo R61i.
    OS: MS Win-XP PRO, ver 20002, SP3
    Internet Explorer is diabled in:
    Contol Panal|add/remove programs|add/remove windows components
    All other programs responds om USB mouse or the little joy-stick between G, H and B-keys.
    Removed FF, booted and reinstalled FF 3.6.11.
    Mouse works a couple of cliks - then Tab key and Space bar is the only tool.
    By the way - living in Norway, means No version og FF :)

    Getting very tired of this problem which is becoming much more frequent. I love the FF browser, but lately after I have been on line for a while, the browser stops responding to mouse clicks and I have to use the task manager to shut the program down and then reopen it to get it to work. From what I've been reading in the forums, this is not an uncommon problem. I've done all the recommended fixes and nothing works. Please fix this!!

  • I have always been able to zoom in on my photo by holding the cmd and space bar, that changed and now it creates a box and zooms in on that area and I can't zoom out using cmd   space bar. How do I change it back to the  original way of zooming?

    i have always been able to zoom in on my photo by holding the cmd and space bar, that changed and now it creates a box and zooms in on that area and I can't zoom out using cmd   space bar. How do I change it back to the  original way of zooming?

    Select the Zoom Tool in the tool box and see if Scrubby Zoom is unchecked or greyed out in the tool options bar.
    (you want Scrubby Zoom checked)

Maybe you are looking for

  • Sy-tabix when using secondary key

    Hi, I have an internal table with records that contain a field with the line index of another table entry that they depend on. I can process this table recursively, by passing the parent index inside and using a LOOP AT ... USING KEY secondary_key WH

  • Two people with the same comcast email adresses on two phones

    It used to  be that My wife and I shared the same Comcast email address and the mail came to both of our Windows phones. Something happened and she does not get Comcast mail anymore

  • Customer Groups in WEB UI

    Hi Gurus I need some help please. In the WEB UI CLient, is it possible to view the Customer Groups without having to go into a seperate transaction/BP's account? Your response is highly appreciated. Regards and thanks in advance, Rama

  • Using "Save as PDF" changes fonts

    I have some documents in czech in FrameMaker 12. When I print to pdf the documents converts all right, but when using "save as pdf" all arial fonts are replaced with Times New Roman and the entire process seems to use a lot of time and computer memor

  • [Solved] Amarok won't play music

    First off I think I've finally found the Linux distro I'm happy with (and I've tried many of them). EXCELLENT distro. But back to the reason for this post; I recently installed Arch with KDE4 (vanilla) and everything works no problem except for Amaro