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  • Oracle NoSQL Database Exceeds 1 Million Mixed YCSB Ops/Sec

    - by Charles Lamb
    We ran a set of YCSB performance tests on Oracle NoSQL Database using SSD cards and Intel Xeon E5-2690 CPUs with the goal of achieving 1M mixed ops/sec on a 95% read / 5% update workload. We used the standard YCSB parameters: 13 byte keys and 1KB data size (1,102 bytes after serialization). The maximum database size was 2 billion records, or approximately 2 TB of data. We sized the shards to ensure that this was not an "in-memory" test (i.e. the data portion of the B-Trees did not fit into memory). All updates were durable and used the "simple majority" replica ack policy, effectively 'committing to the network'. All read operations used the Consistency.NONE_REQUIRED parameter allowing reads to be performed on any replica. In the past we have achieved 100K ops/sec using SSD cards on a single shard cluster (replication factor 3) so for this test we used 10 shards on 15 Storage Nodes with each SN carrying 2 Rep Nodes and each RN assigned to its own SSD card. After correcting a scaling problem in YCSB, we blew past the 1M ops/sec mark with 8 shards and proceeded to hit 1.2M ops/sec with 10 shards.  Hardware Configuration We used 15 servers, each configured with two 335 GB SSD cards. We did not have homogeneous CPUs across all 15 servers available to us so 12 of the 15 were Xeon E5-2690, 2.9 GHz, 2 sockets, 32 threads, 193 GB RAM, and the other 3 were Xeon E5-2680, 2.7 GHz, 2 sockets, 32 threads, 193 GB RAM.  There might have been some upside in having all 15 machines configured with the faster CPU, but since CPU was not the limiting factor we don't believe the improvement would be significant. The client machines were Xeon X5670, 2.93 GHz, 2 sockets, 24 threads, 96 GB RAM. Although the clients had 96 GB of RAM, neither the NoSQL Database or YCSB clients require anywhere near that amount of memory and the test could have just easily been run with much less. Networking was all 10GigE. YCSB Scaling Problem We made three modifications to the YCSB benchmark. The first was to allow the test to accommodate more than 2 billion records (effectively int's vs long's). To keep the key size constant, we changed the code to use base 32 for the user ids. The second change involved to the way we run the YCSB client in order to make the test itself horizontally scalable.The basic problem has to do with the way the YCSB test creates its Zipfian distribution of keys which is intended to model "real" loads by generating clusters of key collisions. Unfortunately, the percentage of collisions on the most contentious keys remains the same even as the number of keys in the database increases. As we scale up the load, the number of collisions on those keys increases as well, eventually exceeding the capacity of the single server used for a given key.This is not a workload that is realistic or amenable to horizontal scaling. YCSB does provide alternate key distribution algorithms so this is not a shortcoming of YCSB in general. We decided that a better model would be for the key collisions to be limited to a given YCSB client process. That way, as additional YCSB client processes (i.e. additional load) are added, they each maintain the same number of collisions they encounter themselves, but do not increase the number of collisions on a single key in the entire store. We added client processes proportionally to the number of records in the database (and therefore the number of shards). This change to the use of YCSB better models a use case where new groups of users are likely to access either just their own entries, or entries within their own subgroups, rather than all users showing the same interest in a single global collection of keys. If an application finds every user having the same likelihood of wanting to modify a single global key, that application has no real hope of getting horizontal scaling. Finally, we used read/modify/write (also known as "Compare And Set") style updates during the mixed phase. This uses versioned operations to make sure that no updates are lost. This mode of operation provides better application behavior than the way we have typically run YCSB in the past, and is only practical at scale because we eliminated the shared key collision hotspots.It is also a more realistic testing scenario. To reiterate, all updates used a simple majority replica ack policy making them durable. Scalability Results In the table below, the "KVS Size" column is the number of records with the number of shards and the replication factor. Hence, the first row indicates 400m total records in the NoSQL Database (KV Store), 2 shards, and a replication factor of 3. The "Clients" column indicates the number of YCSB client processes. "Threads" is the number of threads per process with the total number of threads. Hence, 90 threads per YCSB process for a total of 360 threads. The client processes were distributed across 10 client machines. Shards KVS Size Clients Mixed (records) Threads OverallThroughput(ops/sec) Read Latencyav/95%/99%(ms) Write Latencyav/95%/99%(ms) 2 400m(2x3) 4 90(360) 302,152 0.76/1/3 3.08/8/35 4 800m(4x3) 8 90(720) 558,569 0.79/1/4 3.82/16/45 8 1600m(8x3) 16 90(1440) 1,028,868 0.85/2/5 4.29/21/51 10 2000m(10x3) 20 90(1800) 1,244,550 0.88/2/6 4.47/23/53

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  • hp ProLiant DL380 G6 server error code: 347 of array controller

    - by alhaythum
    I have got a bran new hp ProLiant DL380 G6 server with embedded smart array P410i controller, I got 164 GB SATA drives and wanted to change them with 300 GB SATA drives before installation. Now, we replace the drives and begin the configuration with the hp DVD and begin; when we reach the point that we want to save the configurations, an error message appears: "The operation has failed with an unknown error, please restart the application and attempt the operation again" When using Rescan System, this error message appears: "Status Alerts - Smart Array P410i in Embedded Slot Warning Status Message Code Description 347 The cache for Smart Array P410i Embedded Slot is not configured" We return back to the 164 GB SATA drives and the message just keeps appearing again. Any help please.

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  • UNR Installation: Partitioning Error

    - by Wesley
    Hi all, I have a Samsung N120 netbook (with upgraded 2GB RAM). I'm trying to install Ubuntu Netbook Remix, but when I set my partitions, I get an error. The setup I want right now is: Recovery Partition - 6 GB Windows XP Home Partition - 40 GB General Partition - remaining space UNR Partition - 40 GB I am told that I need to resize a partition and it will take a while. However, when it nearly starts, I get an ERROR!!! dialog that says, "Error informing the kernel about modifications to partition /dev/sda5 - Device or resource busy. This means Linux won't know about any changes you made to /dev/sda5 so you shouldn't mount it or use it in any way before rebooting." I'm not too sure what I should do right now... any ideas? Thanks in advance.

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  • SSD for Visual studio : Intel X25-m G2 or OCZ Vertex

    - by meska
    hi, looking for laptop upgrade, and thinking about SSD drive. Laptop would be Dell Studio XPS with T9400 as i can get one for a very good price. So i was thinking about replacing the built in 500 GB hdd with some kind of SDD Currently two choices: OCZ Vertex Series 60 GB vs. Intel X25-M G2 MLC 80 GB Price is almost the same. From anandtech Intel performs badly in sequential write, but scores very high numbers in random write and random read (good for visual studio?) and i get more space. What do you think? OCZ Vertex or Intel X25-M G2 ? Purely from Visual Studio 2008 and upcoming 2010 perspective?

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  • Windows XP SP3 on Macbook Has Limited Disk Space

    - by Mikey.B
    Hi Guys, I setup Windows XP SP3 on a 40 GB partition using bootcamp (partition formatted for NTFS). For some reason, the hard drive properties only show ~3 GB of space available. Funny thing is though, I've hardly installed anything on the system... and if I open the windows explorer, select all directories, and check properties, it appears that I'm only using 11 GB of space. What gives? I thought there might be hidden files/folders so I enabled the option to show it but still nada. Has anyone come across this before? Any suggestions for how to proceed here?

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  • How to remove raid 5 array of 5 SAS and use only use one SAS at a time without writing any thing to disc for recovery

    - by murtaza hamid
    I have HP server ML370 g5 with 8 SAS, c drive 1 72 gb raid 0, d drive 2 72 gb raid 0, f drive 5 146 gb raid 5. 2 of 5 sas drive has got bad sectors and raid 5 is showing status failed. now i want to remove all this 5 SAS and put 1 by 1 in any of the bay to make its image for data recovery purpose without writing anything to the drive. how should i proceed. i also want to keep drive c and d intact. also is it possible if i put all this 5 drives in the bay with the same sequense will it recognise the raid 5 array ( i read some where its smart controller..just curious) many thanks in advance.

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  • CentOS only detecting 50% of ram

    - by Devator
    I have 16GB ram in my machine. Before, free -m outputted the normal 16 GB ram, however now (after a reboot) it only detects 8 GB ram. Is one ram module damaged? grep -i memory /var/log/dmesg outputs Memory: 15621184k/16017200k available (2535k kernel code, 387120k reserved, 1748k data, 196k init). (Which looks like 16 GB to me). Free -m outputs: total used free shared buffers cached Mem: 7484 7415 68 0 6104 524 -/+ buffers/cache: 786 6697 Swap: 2055 0 2054 Anything I might be missing? Thanks in advance.

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  • Delay of mail delivery - Hosted exchange provider

    - by alex
    Hi, I recently signed up to a new hosted email provider. When I send mail (from OWA, OR Outlook) there is a delay of up to 3 minutes from when i send the message, to when it's received (in my gmail account for example) I've listed the headers below. Is there anything I can advise my new email host to do? My previous email host delivers within 5 seconds!! New email provider: Delivered-To: ****.*****@******.co.uk.test-google-a.com Received: by 10.223.120.148 with SMTP id d20cs333125far; Mon, 30 Nov 2009 08:49:43 -0800 (PST) Received: by 10.213.106.202 with SMTP id y10mr4864870ebo.35.1259599782838; Mon, 30 Nov 2009 08:49:42 -0800 (PST) Return-Path: Received: from relay005.apm-internet.net (relay005.apm-internet.net [85.119.248.8]) by mx.google.com with SMTP id 26si13016480ewy.43.2009.11.30.08.49.42; Mon, 30 Nov 2009 08:49:42 -0800 (PST) Received-SPF: neutral (google.com: 85.119.248.8 is neither permitted nor denied by best guess record for domain of ****@*******.com) client-ip=85.119.248.8; Authentication-Results: mx.google.com; spf=neutral (google.com: 85.119.248.8 is neither permitted nor denied by best guess record for domain of ****@*******.com) smtp.mail=****@*******.com Received: (qmail 63915 invoked from network); 30 Nov 2009 16:49:41 -0000 Received: from unknown (HELO mx-out-manc2.simplymailsolutions.com) (88.151.129.22) by relay005.apm-internet.net with SMTP; 30 Nov 2009 16:49:42 -0000 X-APM-IP: 88.151.129.22 X-APM-Score: 4 Received-SPF: none (relay005.apm-internet.net: domain at alexjamesbrown.com does not designate permitted sender hosts) Received: from [10.1.20.1] (helo=win-s-manc1.shared.ifeltd.com) by mx-out-manc2.simplymailsolutions.com with esmtp (Exim 4.63) (envelope-from ) id 1NF9QZ-0005By-Hw for ****.*****@******.co.uk; Mon, 30 Nov 2009 16:48:46 +0000 Received: from sha-exch8.shared.ifeltd.com ([10.1.20.8]) by win-s-manc1.shared.ifeltd.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 30 Nov 2009 16:48:34 +0000 Received: from sha-exch9.shared.ifeltd.com ([10.1.20.9]) by sha-exch8.shared.ifeltd.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 30 Nov 2009 16:48:34 +0000 Received: from SHA-EXCH13.shared.ifeltd.com (10.1.20.13) by sha-exch9.shared.ifeltd.com (10.1.20.9) with Microsoft SMTP Server (TLS) id 8.1.393.1; Mon, 30 Nov 2009 16:48:25 +0000 Received: from SHA-EXCH12.shared.ifeltd.com ([fe80::ecba:36d0:eec5:c928]) by SHA-EXCH13.shared.ifeltd.com ([fe80::212b:916c:70c7:a4e5%11]) with mapi; Mon, 30 Nov 2009 16:48:05 +0000 From: Alex Brown To: "****.*****@*****.co.uk" Date: Mon, 30 Nov 2009 16:48:04 +0000 Subject: testing Thread-Topic: testing Thread-Index: AQHKcdzZg4oiDsOYIEio/7k6bCk8BQ== Message-ID: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginalArrivalTime: 30 Nov 2009 16:48:34.0235 (UTC) FILETIME=[F48178B0:01CA71DC] Here are the headers using my previous exchange host: Delivered-To: ****.*****@******.co.uk.test-google-a.com Received: by 10.223.120.148 with SMTP id d20cs333076far; Mon, 30 Nov 2009 08:48:35 -0800 (PST) Received: by 10.213.2.70 with SMTP id 6mr4797985ebi.25.1259599715739; Mon, 30 Nov 2009 08:48:35 -0800 (PST) Return-Path: Received: from relay005.apm-internet.net (relay005.apm-internet.net [85.119.248.8]) by mx.google.com with SMTP id 26si13030993ewy.23.2009.11.30.08.48.35; Mon, 30 Nov 2009 08:48:35 -0800 (PST) Received-SPF: neutral (google.com: 85.119.248.8 is neither permitted nor denied by best guess record for domain of ****@*********.com) client-ip=85.119.248.8; Authentication-Results: mx.google.com; spf=neutral (google.com: 85.119.248.8 is neither permitted nor denied by best guess record for domain of ****@*********.com) smtp.mail=****@*********.com Received: (qmail 60920 invoked from network); 30 Nov 2009 16:48:34 -0000 Received: from unknown (HELO MTAb.MsExchange2007.com) (89.31.236.50) by relay005.apm-internet.net with SMTP; 30 Nov 2009 16:48:35 -0000 X-APM-IP: 89.31.236.50 X-APM-Score: 1 Received-SPF: none (relay005.apm-internet.net: domain at alexjamesbrown.com does not designate permitted sender hosts) Received: from EXHUB02.SL.local (no.ptr.hostlogic.biz [89.31.236.28]) by MTAb.MsExchange2007.com (Spam Firewall) with ESMTP id B677A34FE0F for ; Mon, 30 Nov 2009 16:48:33 +0000 (GMT) Received: from EXHUB02.SL.local (no.ptr.hostlogic.biz [89.31.236.28]) by MTAb.MsExchange2007.com with ESMTP id 8X5B8V4tExVzoNyU for ; Mon, 30 Nov 2009 16:48:34 +0000 (GMT) Received: from EXCCR03STORE.SL.local ([10.0.0.2]) by EXHUB02.SL.local ([192.168.92.64]) with mapi; Mon, 30 Nov 2009 16:48:31 +0000 From: Alex James Brown To: "****.*****@******.co.uk" Date: Mon, 30 Nov 2009 16:48:30 +0000 Subject: testing from o Thread-Topic: testing from o Thread-Index: AQHKcdzyY1iBFWiol0ykG6xPQUZiTg== Message-ID: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0

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  • AMD Phenom 2 is idling at 50°C, can I get it cooler?

    - by liam
    Is it possible to damage a CPU so that it works, but only at high temperatures? My Phenom 2 1090T is idling at 50°C and I have tried everything to get it down. I can play Deus Ex HR, Arkham City, or Dirt 3 and it hovers around 60. I have cleaned out all my fans: 2 intake (front and side), 1 exhaust (Arctic Freezer). My machine is a brand new Antec 520 high current gamer. Also: Extreme3 770 8 GB Kingston DDR3 (2x4 GB) 750 GB Seagate Barracuda ASUS Xonar DG Radeon HD 5670 New Arctic Freezer Pro Rev 2 (days old and mounted properly with Arctic Silver 5). I also dropped an Athlon 250 dual core into my rig and that ran at under 30. Is the CPU dying? I know that 50°C idle for an AMD is not normal.

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  • How to restore missing space in NTFS file systems

    - by jacobsee
    I have a 40 GB USB hard drive formatted with NTFS on a PC running Windows XP Pro, SP3. I am trying to free as much space as possible. Windows Explorer tells me that I have about 200 MB of files on the drive (showing hidden and system files). When I show drive properties however it shows 73% free, around 10 GB used. I ran CHKDSK and it found all kinds of problems. Now running defrag and it is behaving as if there were 10 GB of files, but I can't access them anywhere. How to find and remove this extra 10GB?

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  • Getting "GRUB loading ... no such partition"?

    - by shameedp
    I am having a dual os, windows 7 and linux, the c drive have 20 GB, in which 5 GB is allocated for windows 7 (original) and 15 gb for linux since the spacing for windows is very low i used EaseUS partition manager and deleted my linux OS, and merged the unused space into my C drive, now it becomes 20GB, the things, after the reboot, I am getting GRUB loading. Welcome to GRUB! error: no such partition. entering rescue mode. . . Kindly help me guys the problem i am facing is i dont have a DVD drive to resolve it, using recovery mode. Waiting for your reply guys. in ls command i have (hd0) (hd0,msdos8) (hd0,msdos7) (hd0,msdos6) (hd0,msdos5) (hd0,msdos2) (hd0,msdos1)

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  • vista winsxs folder eats disk space

    - by Simpzon
    My machine has been running Vista Ultimate 64-Bit for about two years now. ServicePacks SP1 and SP2 are installed, too. The system partition has a size of 55 GB, which should be quite comfortable under normal circumstances, but about 40GB (no typo) are used by the Windows-Folder, especially the subfolder winsxs, which takes about 35 GB. I have already uninstalled as many programs as possible and did run compcln.exe, to reduce it, but this only gained 2-3 GB. What can I do to clean up without risking system stability? I'm a software developer and this is my daily work environment, which means - I can't risk to get strange side-effects from blindly deleting stuff. - You can maybe deduce some typical usage patterns from this information. Any suggestions?

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  • Something eating space on OS drive

    - by noquery
    I am facing low disk space issue from last few days. I checked with Restore,System Volume Information, $Recycled folders. But there is nothing which is occupying space. I had scanned my system for virus too. Total size of C: is 18 GB. But when I select all folders inside C: and query for used space, it shows 20+ gb space is used. I vacate space some how by deleting temp files, program's cache files, disk clean up etc up to (3 gb). And I ensured that no cache/temp files are recreated who can use the space again. Even after cleaning so much data, I am again facing low disk space issue. Something is eating disk space within 15-20 mins.

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  • how do applications (and OS) handle very big files?

    - by DrStrangeLove
    For instance, i have video file which is 11.8 Gb, but my RAM memory only 2 Gb.. How does VLC (or other software) handle it? How do they load it into memory? I used VMMap tool (from sysinternals) to take a look at memory, and i saw: private 160000K working set 100000K Obviously, it's much less than 11.8 Gb -So how did it happen? This question is not only about video. I'd like to know how computer, in general, handles very large files.

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  • Windows 2008 R2 Server Core Disk Space Requirements/Recomendations

    - by Richard West
    I'm in the preparation stage to roll out a few Windows 2008 R2 Server Core in my VMware ESX environment. In looking over the documentation it looks like Server Core can operate in a little as 6.5 GB of hard drive space. Less disk space required. A Server Core installation requires only about 3.5 gigabytes (GB) of disk space to install and approximately 3 GB for operations after the installation. I am curious as to anyone’s real world experience and recommendations with regard to this requirement. Is it realistic? A little bit about our environment: Less than 25 users, and around 75 computers/servers in our current AD system. These systems will be responsible for normal AD operations and print servers for 5 printers - nothing to big here.

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  • Compiling the Linux kernel, how much size is needed?

    - by ant2009
    I have downloaded the newest most stable Linux kernel, 2.6.33.2. I thought I would test this using VirtualBox. So I create a dynamically sized harddisk of 4 GB. And installed CentOS 5.3 with just the minimum packages. I setup the make menuconfig with just the default settings. After that I ran make and got the following error: net/bluetooth/hci_sysfs.o: final close failed: No space left on device make[2]: *** [net/bluetooth/hci_sysfs.o] Error 1 make[1]: *** [net/bluetooth] Error 2 make: *** [net] Error 2 The amount of space I have left is: # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 3.3G 3.3G 0 100% / /dev/hda1 99M 12M 82M 13% /boot tmpfs 125M 0 125M 0% /dev/shm My virtual size is 4 GB, but the actual size is 3.5 GB. $ ls -hl total 7.5G -rw-------. 1 root root 3.5G 2010-04-13 14:08 LFS.vdi How much size should I give when compiling and installing a Linux kernel? Are there any guidelines to follow when doing this? This is my first time, so just experimenting with this.

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  • Why /home folder is missing from my backup archive created by tar?

    - by Konstantin Pereyaslov
    So I'm doing full backup of my VPS using the following command (as root, of course): tar czvf 20120604.tar.gz / Everything seems to be fine, all files seem to appear in the list. The size of archive is 6 Gb and gunzipped version is 11 Gb which includes /home, because I totally have 11 Gb of data on VPS. But when I try actually to unpack archive, or open it using mc or WinRAR, there's no /home folder. And WinRAR tells 20120604.tar.gz - TAR+GZIP archive, unpacked size 894 841 346 bytes. It can't be WinRAR's bug, because when I type tar xzvf 20120604.tar.gz, /home folder isn't unpacked either. Why is /home folder missing from my archive? And what can I do to include it there? tar --version outputs the following: tar (GNU tar) 1.15.1

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  • SQL Azure Federation - how much data before performance benefits?

    - by Donald Hughes
    To avoid premature optimization, I don't want to implement SQL Azure's Federation too early. Is there a rule of thumb for how much data a table would need to have before seeing performance benefits from sharding? I know there won't be a precise answer as there are too many variables to consider, especially with much of SQL Azure's resources being hidden/unknown. To put it into several, more concrete examples, would Federation improve performance in any of the below table scenarios: 100,000 rows (~ 200 MB) 1,000,000 rows (~ 2 GB) 10,000,000 rows (~ 20 GB) 100,000,000 rows (~ 200 GB) For the sake of elaboration, we can assume this is the largest table that would be federated, which consists of order details, which is joined to an orders table with a 'customer_id' foreign key, which would be the distribution key. This is a fairly standard multi-tenant, CRUD order entry system, with a typical assortment of reporting needs (customer order totals by day/month/year, etc).

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  • Memory upgrade - is the site reliable?

    - by Yuval
    Hi, I have a late-2008 unibody macbook model with 2 GB of ram. I am looking to upgrade to 4 GB of ram. I looked about a month ago at Other World Computing's 4 GB upgrade kit and I remember it being around $80. I looked today, finally getting to buy it and it went up to almost $100. I found another site, memoryupgrade.pro that calls itself "Pro memory upgrade" and it looks legitimate - it sells the memory for around $80 in its own brand. The only thing is, I haven't been able to find any reviews about it, and I'm not sure if it actually is reliable. Does anybody have any experience with this site? Does anybody have any other suggestions for buying macbook memory? I have friends who bought from OWC and were happy, should I just spend the extra $30 (including shipping) and buy from them? Thanks!

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  • S.M.A.R.T - Predictive Failure Count

    - by Bastien974
    I'm monitoring my IBM ServeRAID M5015 controller for RAID status with MegaCLI, I have this on one of the disk : Enclosure Device ID: 252 Slot Number: 6 Enclosure position: 0 Device Id: 14 Sequence Number: 2 Media Error Count: 32 Other Error Count: 0 Predictive Failure Count: 18 Last Predictive Failure Event Seq Number: 8119 PD Type: SAS Raw Size: 279.396 GB [0x22ecb25c Sectors] Non Coerced Size: 278.896 GB [0x22dcb25c Sectors] Coerced Size: 278.464 GB [0x22cee000 Sectors] Firmware state: Online, Spun Up SAS Address(0): 0x5000c50042c319c9 SAS Address(1): 0x0 Connected Port Number: 5(path0) Inquiry Data: IBM-ESXSST9300653SS B6336XN04HC10525B633 IBM FRU/CRU: 81Y9671 FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Hard Disk Device Drive: Not Certified Drive Temperature :33 Celsius What does this mean exactly ? I can't find an exact description, is there a way to have more details ? The RAID array has the Optimal state. Media Error Count: 32 Predictive Failure Count: 18 Is there a way through the CLI to power-on the front LED so I physically know which disk I need to replace ?

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  • VPS for Glassfish

    - by Harry Pham
    Our small startup company plan to deploy a web application on Glassfish, I and wonder if some of the experience user out there can answer me couple question. When I shopping for server, I usually look at RAM amount, as GF does required good amount of RAM to run, below are the two sites with significant price different for the same amount of RAM. I wonder why?? Godaddy: http://www.godaddy.com/hosting/virtual-dedicated-servers.aspx?ci=9013 Versus http://entic.net/Servers Does below plan from Godaddy consider good to run GF application. OS: Linux CentOS • RAM: 4 GB • Storage: 60 GB • Bandwidth: 2,000 GB/mo Our web application is a social network, expected to have 2000-4000 users to start with

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  • How to view status of software RAID 1 resynching?

    - by tputkonen
    I have two 500 GB disks and yesterday I mirrored first drive to the second one using software RAID 1. PC has now been on for 30 hours. Both disks say "Resynching", but there is no progress indicator. In addition, there is a small yellow exclamation mark on both disks. My questions are: How long could the synch take for 500 GB drive with about 150 GB of data? PC has 4 GBs of RAM and AMD dual core 4000+ Is there a way to monitor status of the synching? How can I check what the exclamation mark means?

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  • Reconciling vmware memory vs windows memory usage

    - by RyanW
    I have a Windows 2008 R2 64 bit virtual machine on ESXi 4.1 host. The host reports that the virtual machine is actively using less than 1 GB of memory. But, in Windows it's reporting the machine is using 7 GB of memory, even though the total of the processes listed in task manager is less than 1 GB. The machine is rather unresponsive and I'm concerned this is impacting other applications (server's purpose is to run ASP.NET state server process, which has been having trouble and led me to spot the memory question). I just noticed High memory usage Windows Server 2008r2 on VMware and will be looking through those documents more, but what is causing this?

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  • Is my large Windows folder slowing down my machine?

    - by Moses
    I have a problem with my Windows installation running very slow and my Windows folder being too large. I thought that the problems are related. My Windows folder is 17.4 GB I have 1807 folders totalling 2.4 GB that are prefaced with a $. My System32 folder is 1.55 GB My Microsoft.NET folder is 654 MB – I don't know what if any programs I have that are using it. My Service Pack folder is 568 MB. The Software Distribution folder is 536 MB The ie8updates folder is 380 MB. How can I reduce the size of these folders and could their size be why I am running do slow?

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  • How to reduce disk thrashing (paging)?

    - by skevar7
    I have 4 GB of RAM, but Windows still thrashes disk sometimes (especially often when an application is minimized for some time and then I activate it again). Completely stupid, because Task Manager shows 2 GB of RAM are free. Is there any way to prevent Windows swapping out program memory? I tried setting Superfetch to cache startup files only (it helped a bit) and turning off paging file (it helped much, and worked well for me in Windows XP; but Windows Vista/Windows 7 don't allow that - it shows "low on memory" message frequently, even when I have 1 GB of RAM free.) What can you advise me to do?

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