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• Process memory usage 99% Oracle

  Hello

  I'm working on a linux server:

  Red Hat Enterprise Linux Server version 5.7 (Tikanga) Beta.

  This server contains multiple instances use the same Oracle home all:

  Oracle Database 11 g Enterprise Edition Release 11.2.0.2.0 - 64 bit Production

  A few days ago, I have add 15 GB of memory for a total of 70 GB of memory and 40 GB of swap.

  But the use of memory still and always 99% when I use the command "top":

  CPU: 0.3%us, 0.3%sy, 0.0%ni, 99.3%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st

  MEM: 70947372 k total, 70599172 k used, 348200 k free, 559640 k buffers

  Swap: 41945704 k total, 191308 k used, 41054396 k free, 62598884 k cached

  And when I check the process using more memory I got this list:

  PID USER PR NOR VIRT RES SHR S % CPU % MEM TIME + COMMAND

  21948 oracle 15 0 oracle 8.9 0.0 0:52.53 9483 m 6.0 g 6.0 g S

  21952 oracle 15 0 0.0 8:55.01 oracle 8.3 9512 m 5.6 g 5.6 g S

  21956 oracle 15 0 0.0 9:05.64 oracle 8.3 9512 m 5.6 g 5.6 g S

  10675 oracle 15 0 0.0 oracle 5.0 2:46.15 5678 m 3.4 g 3.4 g S

  10679 oracle 15 0 0.0 oracle 5.0 2:53.15 5670 m 3.4 g 3.4 g S

  21968 oracle 15 0 oracle 2.3 4.5 2:57.26 9493 m 3.0 g 3.0 g S

  The process of PID 21948 (using 6 GB of memory) is:

  PID % CPU % MEM VSZ RSS TTY STAT START TIME COMMAND USE

  Oracle 21948 8.9 0.0 9710892 6336604?     SS 2015 0:52 ora_mman_ORACLE_SID

  
  

  and the second on the list (21952 PID) is:

  PID % CPU % MEM VSZ RSS TTY STAT START TIME COMMAND USE

  Oracle 21952 8.3 0.0 9740328 5909300?     SS 2015 08:55 ora_dbw0_ ORACLE_SID

  These 2 processes are on the same ORACLE_SID.

  My question to is this normal? And if not, how can I reduce the use of memory on this ORACLE_SID?

  I thank in advance for your help

  Concerning

  BTW: I'm sorry for my bad English.

  Hello

  CPU: 0.3%us, 0.3%sy, 0.0%ni, 99.3%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st

  MEM: 70947372 k total, 70599172 k used, 348200 k free, 559640 k buffers

  Swap: 41945704 k total, 191308 k used, 41054396 k free, 62598884 k set caching

  
  

  From above, you can see only ~ 62 GB on your 70 GB is cached in the OS. You can get the best idea using the free command.

  also your server isn't swapping and it seems almost inactive.

  It is normal that the OS to cache the free memory space and report as used (70599172 used, k ), but it may affect the oracle db performance as well (https://asktom.oracle.com/pls/asktom/f?p=100:11:P11_QUESTION_ID:7931107631402).

  
  

• PowerEdge R520 (Win2003 R2 64-bit installation)

  Hello!

  I need to install the Windows Server 2003 R2x64 for 520-dell server and can not find a driver for card PERC H710 for this OS.

  I need to create a floppy disk with the driver to install the operating system. Help me please!

  VSZ,

  Sorry to be the bearer of bad news. The question is, the R520 does not support 2003 as the host operating system. It is possible to install on a virtual machine, but not as a host. You have to go with Server 2008 to have Windows as the host operating system.

  Let me know if you have any questions.

• Beginner: how to manage the pipes and the semicolon with UNIX commands?

  Good afternoon
  I'm writing a Java class that allows to run UNIX commands.
  Launch of the simple commands (to date, ps - ef) works fine, but when I start using of pipes and the semicolon, it won't:
  Java (e.g. hoses) code:

          String command = "ps -ef | grep config";
          Process child = Runtime.getRuntime().exec(command);

  Result:

  usage: ps [ -aAdeflcjLPy ] [ -o format ] [ -t termlist ]
          [ -u userlist ] [ -U userlist ] [ -G grouplist ]
          [ -p proclist ] [ -g pgrplist ] [ -s sidlist ]
    'format' is one or more of:
          user ruser group rgroup uid ruid gid rgid pid ppid pgid sid taskid
          pri opri pcpu pmem vsz rss osz nice class time etime stime
          f s c lwp nlwp psr tty addr wchan fname comm args projid project

  Code Java (example of semicolon):

          String command = "date;ps -ef";
          Process child = Runtime.getRuntime().exec(command);

  Result:

  date;ps: not found

  Clearly the pipes and semicolons are managed by the UNIX shell and can be put in the Java source code as such.
  Does anyone know a way around this?
  Thank you
  Dominique

  Pipes and semicolons are interpreted by a shell (bash, csh, etc.) and when we execute as you do without shell is involved. It is easy to solve by using the alternative version of exec() which takes an array as an argument and use your shell of choice. For example: -.

  String[] command = {"bash", "-c", "date;ps -ef"};
  

  Note that the third argument is the entire order to be interpreted.

  Two points to consider. First you need to read, Digest and apply all the recommendations in http://www.javaworld.com/jw-12-2000/jw-1229-traps.html; otherwise will be at some point lead to a significant loss of hair. Secondly, you should probably use ProcessBuilder rather than Runtime.exec (). Behind the scenes, Runtime.exec () uses ProcessBuilder but ProcessBuilder provides a better interface with more features.

• Basic installation problem

  I try to install vShield Zones and am having some problems:

  Essentially - I got the OVF template installed and running virtual machine. I have it configured with a IP address, that I can ping. I can ping my gateway from the console vShied.

  Everything looks good, butif I try to https: address, the web browser just expires.

  In order to ensure that it wasn't some weird network has published, I tried from the vShield himself console telnet to port 443 - and has achieved a "connection refused". Telnet and from there to port 443 of my VMware console worked fine.

  I conclude that the service does not have to connect to me.

  No idea why it does not work?

  Enclosed is the list of processes:

  VShield-bkg & gt; See the list of processes
  % CPU % MEM VSZ RSZ STAT STARTED TIME COMMAND
  0.0 0.1 1496 516 S 14:47:29 00:00:03 init
  0.0 0.0 0 0 S 14:47:29 00:00:00 migration/0
  0.0 0.0 0 0 SN 14:47:29 00:00:00 ksoftirqd/0
  0.0 0.0 0 0 S 14:47:29 00:00:00 dog guard/0
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00 events/0
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00 kblockd/0
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00
  0.0 0.0 0 0 S 14:47:29 00:00:00

  
  0.0 0.0 0 0 S 14:47:29 00:00:00
  0.0 0.0 0 0 S 14:47:29 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00 aio/0
  0.0 0.0 0 0 S 14:47:29 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:29 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:31 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:33 00:00:00 ata/0
  0.0 0.0 0 0 S & lt;   14:47:33 00:00:00
  0.0 0.0 0 0 S & lt;   14:47:34 00:00:00 kcryptd/0
  0.0 0.0 0 0 S 14:47:34 00:00:00
  0,0 0,0 1476 396 S & lt; 14:47:36 s 00:00:00 udevd
  0.0 0.0 0 0 S 14:47:36 00:00:00
  0,0 0,0 2432 808 14:47:42-ss 00:00:00 / usr/sbin/syslog-ng f /etc/syslog-ng.conf
  0,0 0,0 3252 844 14:47:43-ss 00:00:00 / usr/sbin/sshd
  0,0 0,0 1756 544 14:47:43-ss 00:00:00 fcron - nosyslog
  0.0 0.1 3784 1476 ss 14:47:44 00:00:00 usr w /blue_lane/bin/cronsync.pl
  0,0 0,0 1484 432 ss 14:47:47 + 00:00:00 / sbin/agetty-I \033(K tty2 9600
  0,0 0,0 1484 432 ss 14:47:47 + 00:00:00 / sbin/agetty-I \033(K tty3 9600
  0,0 0,0 1488 436 ss 14:47:47 + 00:00:00 / sbin/agetty-I \033(K tty4 9600
  0,0 0,0 1488 432 ss 14:47:47 + 00:00:00 / sbin/agetty-I \033(K tty5 9600
  0,0 0,0 1488 436 ss 14:47:47 + 00:00:00 / sbin/agetty-I \033(K tty6 9600
  0,0 0,0 1488 440 ss 14:47:47 + 00:00:00 / sbin/agetty-L ttyS0 19200 vt100
  0,0 0,0 3412 936 14:47:47 ss 00:00:00 / home/secureall/saflow d-l /var/run/saflow.pid Pei preception
  0.0 0.1 2520 1088 15:20:16-ss 00:00:00 / usr/local/sbin/zebra - a 127.0.0.1
  0,0 0,0 1336 136 S 15:20:18 00:00:00 /etc/rc.d/init.d/sysmgr-daemon
  0.3 0.0 56596 3068 S 15:20:18 00:00:00
  0.0 0.1 22592 1532 S 15:20:18 00:00:00
  0,0 0,0 1488 436 ss + 15:20:18 00:00:00 / sbin/agetty-I \033(K tty1 9600
  0.0 0.1 5840 1732 ss 15:35:41 00:00:00 sshd: admin
  0.0 0.1 5840 1140 S 15:35:45 00:00:00 sshd: admin@pts/0
  0.0 0.1 2516 1184 ss 15:35:45 + 00:00:00 - vtysh
  0,0 0,0 4 188 D 15:36:28 + 00:00:00
  0,0 0,0 2280 660 R + 15:36:28 00:00:00 ps o % cpu, mem % vsz, rsz, stat, start, time, command ax
  VShield-bkg & gt; Ping 10.5.114.2

  The installation steps you follow are incorrect. Only the vShield Manager has a web console not the vShield component. The output that you shared a vShield, it doesn't have a web console.

  Installation for automatic installation steps are as follows (please see the Quick Start Guide for complete installation details):

  1 get the vShield and vShield Manager OVFs and import them into your inventory of vCenter.

  2. turn on the vShield Manager (not yet feed the vShield)

  3. open a console to the vShield Manager and run via the command "setup" of the Composite indicator advanced to configure its IP address/network info. This only for the vShield Manager, the automated install a part that is made from the web what UI will take care to configure the IP address of the vShields at a later stage.

  4. point your browser to the IP address of the Manager, vShield log

  5. provide the vCenter configuration, this is done from the settings & reports-> Configuration-> tab-> Server Configuration vCenter vCenter-> Commit. This will show your vCenter environment in the tree on the left side of the vShield web console Manager.

  6. from the tree on the left side, select the ESX host where you plan to install the first vShield (remember the vShield is still off at this point) and go to the tab "Install vShield" in the right pane

  7. click on "Configure installation settings" and go through the automatic installation steps. When this is done the vShield will be automatically inserted and powerered upward.

  At this point, I suggest you turn off the vShield and restart the process.

• Firewall vShield - am I missing something?

  Hi all

  I just built a laboratory vShield to demo to customers. Looking at it from a security point of view, I saw the word "firewall" thrown around in a number of ways, and suggestions of 'security' generally led me to believe that it was a reasonable solution to replace a Linux iptables VM, which became a standard firewall in a number of our deployments.

  Except in looking at it, I see no option of NAT, and I don't see any stateful firewall. The "wall of the VM" seems to ask for a set of rules of L2/3/4, but I can't see an option "Connection established" it.

  This dish is in the bad old days ipchains - allow each port & gt; 1024 entrants, in order to receive a response to a connection initiated from inside server. With all the hype, there must be an option in front of my face to remedy this - if vShield ends up being just a way to block certain incoming ports, it has nothing on a virtual machine of iptables.

  I read the guide of the admin here: http://www.vmware.com/pdf/vsz_10_admin.pdf and find them for "dynamic" and "spi" returns no results, but the Release Notes here: http://www.vmware.com/support/vsz/doc/releasenotes_vsz_10.html the list clearly as a feature.

  I can assure you that the intention had nothing to do with intelligence.   vShield Zones is a dynamic monitoring by default.  The goal was to make it simple and easy to install and use.  The vShield authorizes expressly all default traffic when they are installed you do not cut yourself during the initial installation.  This came from customer feedback when we develop the solution.   Once installed, you can easily create a level datacenter rule which will block all traffic, and then create the other higher priority rules to allow specific traffic you want.  If nothing matches at senior level rules it will hit these default rules and block traffic.

  Finally, we are always looking for comments, please keep the feedback.

• Insertion performance woes

  Hello
  
  I have a simple application (actually a Perl script using the BerkeleyDB module) which inserts records in a Btree database. He got a total of about 9 million records to be inserted. Keys are long 4 bytes (using the pack of Perl ("L", $id)), and the values are binary strings (packed together various fields of digital type help ("L *", @vals) and pack ("f *", @vals)), with length 16 bytes of the minimum value, total length about 500 bytes and median duration approximately 25 bytes.
  
  My script chugs happily him along until it inserts approximately 6 million records, then gets really slow. Here's a graph of time taken by the number of insertions:
  
  http://limnus.com/~Ken/insertions.PNG
  
  During the slow, I mean the disk having a lot of activity, and the CPU of the script is down around 5 percent or more. I conclude that it is I/O bound. When it starts to be slow, memory of the script (VSZ) size is about 2G, and the size of the database is around 500 Mr La eventual size of the database if I let it run until the end is about 700 m.
  
  There is only 1 process of opening the DB (this insert script), and it does not use environments or operations; He opens the DB as follows:
  
  $db = BerkeleyDB::Btree-> new (-Filename = > 'foo.db',-Cachesize = > 10 * 1024 * 1024,-Flags = > DB_CREATE);
  
  Any suggestions on how to investigate this, or ideas on what's going on?
  
  I study with a profiler (Devel::NYTProf) and indicated that the vast majority of the time is spent in BerkeleyDB::Common:db_put ().
  
  Thank you
  
  -Ken

  Quick question: what is the BDB cache size? Given that the final size of the database is 700 m, could run an experiment with the BDB cache greater than 700 MB? -What gives you better performance?

  Best regards.
  Ashok