Disable swap in rc.sysinit on eee with no swap partition?
I'm trying to tweak my boot speed on the Asus eee. The root partition is formated as ext2 and I didn't create a swap partition.
Inside rc.sysinit I found the following line:
status "Activating Swap" /sbin/swapon -a
Since I have no swap partition, is it nessesary to have this line or can I just comment it out?
DreamAxe wrote:Thanks, I'll just disable it then
I think you missed what Allan said there. You don't have to do anything at all, as that line will do nothing. It is best not to modify rc.sysinit as it isn't backed up...
Edit: and your total time savings from commenting this line out is going to be like 0.01 seconds, if that. It isn't worth it. Using a custom kernel and limiting the amount of work udev has to do would be much more effective; booting my Eee using my custom kernel takes ~12 seconds to an X login screen from hitting the power button.
Similar Messages
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Out of memory with no swap causes disk activity
Can someone explain what exactly is being read/written from/to disk in this situation?
I have 2 GB of RAM and no swap partitions. Occasionally I'll forget how inefficient gwenview is at displaying very large images and accidentally double-click one. The entire system freezes; even alt+sysrq keystrokes are ineffective (and yes I do have them enabled).
For about 5 minutes, the system is locked up and the hard drive light is flickering. That scares me a bit, because with no swap, what could it possibly be doing for 5 straight minutes? I used to think it was synching before doing the OOM-killing, but there's no way a sync could take that long. Judging from the sound of the hard drive, it's hda (the drive / and all the other system partitions are on).
A few times after recovering from this I've run extensive data verification and never found any evidence of corruption, but I'd like to know for sure that the kernel isn't randomly deciding to use some filesystem as swap space.
In the mean time, I'm playing with disabling overcommit -- setting vm.overcommit_memory = 2 in /etc/sysctl.conf. That enforces a hard memory commit limit of swap size + overcommit_ratio * ram size (so I've read) -- and I've also read that the default overcommit_ratio is only 50%. What the bloody hell? It's almost like someone thinks swap is more important than RAM -- hell-llo, I have 2 GB of RAM so that I can get *away* from swap!
Anyway, I've set the ratio to 97% and so far things seem happy -- if I deliberately run out of memory, the process that did it always gets killed instantly and the system doesn't freeze up on OOM anymore."
Another thing -- in all my out of memory situations so far, VMWare has been running. I suppose it's possible that VMWare is the one doing the swappage; I'll have to investigate that further.
~Felix.I think I've finally figured this out. It's a kernel bug -- I'm guessing that under normal circumstances, the "cached" column in the free command "doesn't count" towards how much memory the system thinks it's using. After all, it's just cached copies of stuff that should be elsewhere, and if you run out of memory, you can safely dump that, right? Unfortunately, /dev/shm is counted under cached rather than used memory (as I discovered in an earlier post).
So if I've got 500 MB of stuff in /dev/shm * (which is where I mount my /tmp), there's now 500MB of stuff in the "cached" column that really does count -- system reaches all RAM full, decides it needs to dump cache, and suddenly finds that the 500MB it thought it could use isn't usable. For some reason it takes about 5 minutes of hard drive thrashing (probably because it's already chucked all of the system libraries, etc. out of cached and needs to re-read them from disk every time) before something finally figures out that it really is out of memory and that that 500MB isn't letting go and invokes OOM-killer.
*: VMWare does this; it creates a 512MB file (the amount of RAM in my virtual machine) then hides it by keeping the file open and deleting it, so the inode's still there, but you can't see it and it makes the df command really perplexing... but that's another story.
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I am sorry Erickkasner but there is no longer direct support provided for Creative Suite 5.5 installation issues.
You are welcome to post any specific errors you are able to discover within your installation log to this discussion. Since you are using Windows then Exit Code 15 could mean one of the following:
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If you do not have the password, you can only do a restore-resetting the iPad to factory condition.
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''guigs2 [[#answer-672422|said]]''
<blockquote>
NoScript stops cookies, please disable this addon/extension as well as make sure that the language en-us is installed.
# 1) Open up the Firefox Preferences tab. You can do this by typing about:preferences in the URL bar.
# 2) Click "Content"
# 3) Next to "Languages", click "Choose"
# 4) Select "English/United States [en-us]", click "Add"
# 5) re-open "about:accounts"
# 6) Click "Get Started"
</blockquote>
Thank you for replying. Unfortunately, I already did all of these things. As you can see from the below screenshot, the language is already set. Also, this screenshot was taken in Safe Mode, so NoScript is not enabled. About:accounts still says I need to enable cookies for some reason. So, this solution didn't work.... -
How to disable certain form fields from a calculation with a check mark fields.
How to disable certain form fields from a calculation with a check mark fields.
In Canada we have to taxes
I create a form that calculate them to a total
I need to be able to turn off any of those to taxes to participate to the calculation and their visibile field should become 0
I was thinking using a checkbox (when checkbox is on (Yes) the tax is calculated, Not ticked (Off) the tax is not calculated and the visible field should show 0 or nothing....
I really need help on this one — I’m a complete newbie....
Remark that the second tax is calculated on the sum of what the first tax add (first tax is pan-canadian tax (all provinces).
The second tax is never use alone (Quebec only (on top of the Canadian one)
Sometime for outside Canada sell - No tax at all is calculated....
What should I do?I want to tank you to help, really appreciate —>
This is the code and order... I just trow the checkbox in there (they have, so far, no purpose...)
The code use is
var a = this.getField("pricehorstx");
event.value = Math.round (a.value * 7.25) / 100
I guess -If the checkBox are check - The tax should be calculate — If “Off” the tax should be not calculated and PriceHST and /or PriceQST should show zero or be empty — The HST is always calculated in Canada, but the QST is added only in Quebec.
I need to turn both to Zero for international sale.
Message was edited by: Chacapamac -
Account disabled message appeared. Tried to loggin with new password. Payment verification message appeared. When details are give Rs 60/- is charged and account is disabled once again.
Hello Errappa,
Thank you for using Apple Support Communities!
I was thinking that it would be a good idea for you to call our Account Security team about what may be happening with the account.
Note: You will need to be able to verify the account.
Apple ID: Contacting Apple for help with Apple ID account security
http://support.apple.com/kb/HT5699?viewlocale=en_US
Cheers,
Sterling -
ipod Touch 5th generation. I changed the original passcode and then forgot, so it says 'iPod is disabled'. It hadn't been synced with iTunes, so I switched it off, held home button, connected to Mac, did restore on iTunes twice but it doesn't work. Help!
Disabled
Place the iOS device in Recovery Mode and then connect to your computer and restore via iTunes. The iPod will be erased.
iOS: Wrong passcode results in red disabled screen
If recovery mode does not work try DFU mode.
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
For how to restore:
iTunes: Restoring iOS software
To restore from backup see:
iOS: How to back up
If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
You can redownload most iTunes purchases by:
Downloading past purchases from the App Store, iBookstore, and iTunes Store -
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I do plan on using an external USB HDD for time machine backups. I have both 802.11g and 802.11n used for playing music via stereos.
I would recommend against it. Apple does not support Time Machine backups to AirPort Disks (USB HDD attached to the AirPort Extreme). Although folks have done so, we get a number of them here asking for help with their corrupted backups. If your backups are critical to you, please use another means (like connecting the USB HDD directly to your Mac) to do so. -
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A clone is an exact duplicate of your existing Mac HDD. Merely copying and pasting a drive will not make a bootable backup. In case of problems you can boot from an Ext HDD clone and use the utilities to repair, reformat, or clone the Ext HDD back to the internal Mac HDD. While Time machine back ups are easy you can not boot from it. The best thing to have for any kind of problem is a bootable clone backup on an external drive. Some even have two external backup drives in case one fails. There are two good apps for cloning named SuperDuper and Carbon Copy Cloner.
In dealing with the recovery partition a simple approach is to clone the Mac partition to an external disk then re-partition the Mac to a single partition (GUID partition table) . Then clone the external disk clone back to the Mac. You will now have only one Partition and Boot Camp assistant sould not object.
Some have recommended getting rid of the recovery partition while others have advised not to do this. If you have the Lion USB Thumb Drive you do not need a recovery partition so can discard it without concern. There is another way to get rid of the recovery partition if you decide to do it but first be sure to have a backup of your Mac ( I know I sound like a nagging mom but many dead computers have been saved by this simple precaution).
Use Disk Utility.
1) Make the Recovery visible in Disk Utility by using a program like Secrets:http://www.macupdate.com/app/mac/27025/secrets or MacPilot:http://www.koingosw.com/products/macpilot.php (15 day free trial).
2) Highlite the Recovery partition and Control click it and select Mount the partition.
3) With the Recovery partition highlited, erase the partition, you'll get an error message, ignore it.
4) Now highlite the top identity of the hard drive and select the partition tab.
5) Highlite the Recovery partition and press the minus sign.
6) Click and hold on the bottom edge of the partition above and drag it to the bottom, if it doesn't go there automatically, the press apply. -
New to Mac... I have Partitioned my MacBookPro with Dual Boot Partitions running M.Lion and S. Leopard and a seperate media partition.
How do I assign my storage to the MEDIA Partition once I am booted in either OS?
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If you want to direct your iTunes media to point to the media partition, google "move iTunes library to external disk" and follow the steps; the instructions should be the same for a seperate partition as it is for an external drive. -
Performance issues with version enable partitioned tables?
Hi all,
Are there any known performance issues with version enable partitioned tables?
Ive been doing some performance testes with a large version enable partitioned table and it seems that OCB optimiser is choosing very expensive plans during merge operations.
Tanks in advance,
Vitor
Example:
Object Name Rows Bytes Cost Object Node In/Out PStart PStop
UPDATE STATEMENT Optimizer Mode=CHOOSE 1 249
UPDATE SIG.SIG_QUA_IMG_LT
NESTED LOOPS SEMI 1 266 249
PARTITION RANGE ALL 1 9
TABLE ACCESS FULL SIG.SIG_QUA_IMG_LT 1 259 2 1 9
VIEW SYS.VW_NSO_1 1 7 247
NESTED LOOPS 1 739 247
NESTED LOOPS 1 677 247
NESTED LOOPS 1 412 246
NESTED LOOPS 1 114 244
INDEX RANGE SCAN WMSYS.MODIFIED_TABLES_PK 1 62 2
INDEX RANGE SCAN SIG.QIM_PK 1 52 243
TABLE ACCESS BY GLOBAL INDEX ROWID SIG.SIG_QUA_IMG_LT 1 298 2 ROWID ROW L
INDEX RANGE SCAN SIG.SIG_QUA_IMG_PKI$ 1 1
INDEX RANGE SCAN WMSYS.WM$NEXTVER_TABLE_NV_INDX 1 265 1
INDEX UNIQUE SCAN WMSYS.MODIFIED_TABLES_PK 1 62
/* Formatted on 2004/04/19 18:57 (Formatter Plus v4.8.0) */
UPDATE /*+ USE_NL(Z1) ROWID(Z1) */sig.sig_qua_img_lt z1
SET z1.nextver =
SYS.ltutil.subsversion
(z1.nextver,
SYS.ltutil.getcontainedverinrange (z1.nextver,
'SIG.SIG_QUA_IMG',
'NpCyPCX3dkOAHSuBMjGioQ==',
4574,
4575
4574
WHERE z1.ROWID IN (
(SELECT /*+ ORDERED USE_NL(T1) USE_NL(T2) USE_NL(J2) USE_NL(J3)
INDEX(T1 QIM_PK) INDEX(T2 SIG_QUA_IMG_PKI$)
INDEX(J2 WM$NEXTVER_TABLE_NV_INDX) INDEX(J3 MODIFIED_TABLES_PK) */
t2.ROWID
FROM (SELECT /*+ INDEX(WM$MODIFIED_TABLES MODIFIED_TABLES_PK) */
UNIQUE VERSION
FROM wmsys.wm$modified_tables
WHERE table_name = 'SIG.SIG_QUA_IMG'
AND workspace = 'NpCyPCX3dkOAHSuBMjGioQ=='
AND VERSION > 4574
AND VERSION <= 4575) j1,
sig.sig_qua_img_lt t1,
sig.sig_qua_img_lt t2,
wmsys.wm$nextver_table j2,
(SELECT /*+ INDEX(WM$MODIFIED_TABLES MODIFIED_TABLES_PK) */
UNIQUE VERSION
FROM wmsys.wm$modified_tables
WHERE table_name = 'SIG.SIG_QUA_IMG'
AND workspace = 'NpCyPCX3dkOAHSuBMjGioQ=='
AND VERSION > 4574
AND VERSION <= 4575) j3
WHERE t1.VERSION = j1.VERSION
AND t1.ima_id = t2.ima_id
AND t1.qim_inf_esq_x_tile = t2.qim_inf_esq_x_tile
AND t1.qim_inf_esq_y_tile = t2.qim_inf_esq_y_tile
AND t2.nextver != '-1'
AND t2.nextver = j2.next_vers
AND j2.VERSION = j3.VERSION))Hello Vitor,
There are currently no known issues with version enabled tables that are partitioned. The merge operation may need to access all of the partitions of a table depending on the data that needs to be moved/copied from the child to the parent. This is the reason for the 'Partition Range All' step in the plan that you provided. The majority of the remaining steps are due to the hints that have been added, since this plan has provided the best performance for us in the past for this particular statement. If this is not the case for you, and you feel that another plan would yield better performance, then please let me know and I will take a look at it.
One suggestion would be to make sure that the table was been recently analyzed so that the optimizer has the most current data about the table.
Performance issues are very hard to fix without a reproducible test case, so it may be advisable to file a TAR if you continue to have significant performance issues with the mergeWorkspace operation.
Thank You,
Ben -
How to Create a Table with Merge and partitions in HANA
Hi,
What is the best way to create a Table with MERGE and PARTITION and UNLOAD PRIORITIES.
Any body can you please give me some examples.
Regards,
DevaOk,
1) the UNLOAD PRIORITY has nothing to do with the order of data loads in your ETL process
2) Unloading of columns will happen automatically. Don't specify anything specific for the tables, then SAP HANA will take care about it
3) Not sure where you get your ideas from, but there is no need to manually "flush" tables or anything like that. SAP HANA will take care of memory housekeeping.
4) Partitioning and how to specify it for tables has been largely documented. Just read up on it.
5) Delta Merge will happen automatically, as long as you don't prevent it (e.g. by trying to outsmart the mergedog rules)
Seriously, I get the impressions that this list of requirements is based on some hear-say and lack of actual information and experience with SAP HANA. There are a couple of extensive discussions on data loading optimization available here in SCN and on SAPHANA.COM. Please read those first.
All this had been discussed broadly a couple of times.
- Lars -
Configuring IPIB with non-default partition key
Hello
I want to put IB HCA port into non-default partition to create separate network on my IB fabric. On IB switch (Voltaire ISR9096) I created network with non-default partition key 0x7ffe and add HCA port to this partition.
But this IB-VPPA was displayed as unconfigured on Solaris host
ib::3BA0001004181,ffff,ipib IB-VPPA connected configured ok
ib::3BA0001004182,fffe,ipib IB-VPPA connected unconfigured unknown
ib::3BA0001004182,ffff,ipib IB-VPPA connected configured okConfiguration of new VPPA with cfgadm was unsuccessful:
# cfgadm -c configure ib::3BA0001004182,fffe,ipib
Configure the device: /devices/ib:fabric::3BA0001004182,fffe,ipib
This operation will suspend activity on the IB device
Continue (yes/no)? yes
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I tried this on Solaris 10 8/07 and OpenSolaris b72 with the same result - no success ;)
Is it possible to configure VPPA with non-default pkey on Solaris ?
Is it possible to configure more than 1 IPIB VPPA on single HCA port ?
How to perform these configurations ?
Thanks in advance.
Regards,
Denishi
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Now i'm able to access the EM Database Control and it seems to be working fine though i get the following error message
Logged in As SYS
Error
java.lang.Exception: Number of responses does not match queries
Database Instance: devel.foo.bar
Now, i'd like to be able to use EM for administering two separate databases (running on the same host). Do i need to migrate the database control somehow to grid control? How do i do that?
What about security? I'd like to use SSL and limit connections to selected clients only.
regards,
aspa -
ORA-14291: cannot EXCHANGE a composite partition with a non-partitioned ta
How do I resolve the below issue. I need to create a temp table and then do a exchange partition to the temp table using certain condition . The main table
edc.edc_log_test has partition and subpartition. I used the below sql to create the temp table. How can I create the temp table with partition so that I do not get the mentioned error.
edc.edc_log_test has
PARTITION BY RANGE(CAPTURE_DATE)
SUBPARTITION BY LIST(TRAN_NBR)
l_ddl := 'create table ' || p_object_owner_in || '.' ||
p_part_subpart_name || ' as select * from ' ||
p_object_owner_in || '.' || p_object_name_in || ' where 1=2';
l_ddl := ' ALTER TABLE ' || p_object_owner_in || '.' ||
p_object_name_in || ' EXCHANGE PARTITION ' ||
p_part_subpart_name || ' WITH TABLE ' ||
p_object_owner_in || '.' || p_part_subpart_name ||
' EXCLUDING INDEXES WITHOUT VALIDATION '; *
ORA-14291: cannot EXCHANGE a composite partition with a non-partitioned tableThe subpartitioning scheme of the composite partitioned table must be matched by a partitioning scheme on the temporary table.
In your case you need to list partition your temporary table on TRAN_NBR
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