Basic throughput calculations

Hi all,
I am doing some basic calculations for time it should take to transfer a file over my network. apparently its been a while since I had to do math as I am doubting myself!
I just wondered how long it would take to transfer my 90GB file over a network connection that I knew to be 800Mbps.
So I did the following:
1Mbps = .125MBps
800Mbps * .125MBps = 100MBps
So thats 100 meg a second correct?
1000Mb = 1GB
90000MB = 90GB
at that rate it should take roughly 900 seconds to transfer the 90GB file..or 15 minutes. is this right?
TIA,
R

Your basic calculations are correct for time to transmit 90GB across 800 Mbps. In practice, due to frame/packet overhead, and how well stack deals with BDP (bandwidth delay product), actual transmission time might be considerably slower than the calculated value.

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The wifi just stopped working outside of the house. Now it's basically a calculator that I carry around with me.

That's nice. Hopefully you'll have some mathematical problems for which to use your calculator.
Meantime, did you have a support issue?

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I have one doubt, do I have to clear the interface statistcis "clear traffic" and then take the output of "show traffic" or its to take without clearing the traffic.
Below chart displays the throughput calculated without clearing the traffic rates - clear interfaces.
And this shows that ASA 5540 supports upto 650Mbps.
As per the calculation, 1 min average is 930 Mbps and 5 mins average is 765 Mbps - all calculated in bits per second.
Please confirm on this.
Interfaces
1 min rate
5 min rate
GigabitEthernet0/0 input rate
58185440
47736515
GigabitEthernet0/0 output rate
3197278
2663940
GigabitEthernet0/1 input rate
1728440
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GigabitEthernet0/1 output rate
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GigabitEthernet0/2 input rate
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727164
GigabitEthernet0/2 output rate
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765.2419739
ASA 5540 supports
Up to 650 Mbps

I got your point.
But kindly look into the below threads as well.
https://supportforums.cisco.com/discussion/11359916/throughput-across-asa
Assume firewall has 3 interfaces. So according to you, it must be either the sum of all inbound traffic (1 minute interval) or the sum of all outbound traffic (1 minute interval), or the biggest of inbound or outbound.
I think this should be the one best practice to calculate the current throughput of the ASA firewall or any other device.
Please correct me if I am wrong.

Basic Cardinality Calculation

Hey.
Have a basic query doing a count on table based on a date range.
How do I work out the cardinality.
No Histograms (just the standard HIGH-LOW bucket)
No values in user_tab_col_statistics (no col stats).
DBA_TABLES
32433213 rows
From DBA_INDEXES for date index
32303513 distinct
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Query was
select count(logged_in_pty_id)
from xxxx
where st_datem > to_date('11-15-2010','mm-dd-yyyy')
and st_datem < to_date('11-22-2010','mm-dd-yyyy')

How deeply are you trying to get into the calculations?
Whare are the MIN and MAX values for the column? At the most basic level, Oracle is going to assume a uniform distribution of data. So if the MIN is March 6, 2008 (1000 days ago to simplify the math) and the MAX is November 30, 2010, Oracle will estimate the cardinality of a condition like
SELECT *
FROM some_table
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SELECT *
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WHERE st_datem > date '2010-11-15'returned 15/1000 of the data and
SELECT *
FROM some_table
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I have a simple calculation I need to perform
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maybe I just have the syntax wrong....
I'd like to default a field to the value of another field entered earlier in the same page.
Say a customer has a short name and a long name.
I don't want the long name to be blank, so it should contain the short name unless something better is entered.
My ideal scenario is that if no long name is entered (ie the user leaves the field empty and moves onto the next field), the short name should be defaulted into the long name (and redisplayed, ideally). If this is not achievable, I would settle for pushing the short name into the long name field (and displaying it) to serve as a default before the user even has a chance to enter or skip the long name.
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CS

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Hi,
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Is it available in oracle user guides at all?
Thanks in advance.
Chitra

I tried using the same code used by the form in SQL. It worked. The only issue is that the ATP group Id specific to this request is not populating appropritely. It is always populating as 0. If I register as concurrent program probably it will populate correctly. This is required in order to delete the rows correctly belonging to that session from the mtl_supply_demand_temp at the end of the session.
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DECLARE
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rtvl NUMBER;
args1 VARCHAR (240);
args2 VARCHAR (240);
args3 VARCHAR (240);
args4 VARCHAR (240);
args5 VARCHAR (240);
args6 VARCHAR (240);
args7 VARCHAR (240);
args8 VARCHAR (240);
args9 VARCHAR (240);
args10 VARCHAR (240);
args11 VARCHAR (240);
args12 VARCHAR (240);
args13 VARCHAR (240);
args14 VARCHAR (240);
args15 VARCHAR (240);
args16 VARCHAR (240);
args17 VARCHAR (240);
args18 VARCHAR (240);
args19 VARCHAR (240);
args20 VARCHAR (240);
l_session_id NUMBER;
l_count NUMBER;
cutoff_date_j NUMBER;
l_total_temp VARCHAR2 (30);
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IS
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FROM mtl_system_items_b
WHERE organization_id = 204 AND segment1 IN ('AS18947', 'AS81414');
BEGIN
fnd_global.apps_initialize (1072, 50346, 401);
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/* fnd_global.initialize (session_id => l_session_id
, user_id => 1072
, resp_id => 50346
, resp_appl_id => 401
, security_group_id => 0
, site_id => 0
, login_id => 1833382
, conc_login_id => -1
, prog_appl_id => 401
, conc_program_id => 33808
, conc_request_id => fnd_global.conc_request_id
, conc_priority_request => -1
, form_id => 52654
, form_appl_id => 401
, conc_process_id => NULL
, conc_queue_id => NULL
, queue_appl_id => NULL
, server_id => 147
inv_globals.set_org_id (204);
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INTO l_seq_num
FROM DUAL;
SELECT TO_CHAR (SYSDATE, 'j')
INTO cutoff_date_j
FROM DUAL;
FOR i IN c1
LOOP
IF (inv_tm.launch ('INXDSD'
, 'GROUP_ID='
|| TO_CHAR (l_seq_num)
|| ' '
|| 'ORGANIZATION_ID='
|| TO_CHAR (204)
|| ' '
|| 'INVENTORY_ITEM_ID='
|| TO_CHAR (i.inventory_item_id)
|| ' '
|| 'ONHAND_SOURCE='
|| TO_CHAR (1) --1 ATP Only, 2 For Net Subinventories, 3 all subinvs
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|| TO_CHAR (cutoff_date_j)
|| '" '
|| 'MRP_STATUS='
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|| ' '
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, l_total_temp
, l_avail_qty_temp
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DBMS_OUTPUT.put_line ('SUCCESS');
DBMS_OUTPUT.put_line (l_total_temp);
DBMS_OUTPUT.put_line (l_avail_qty_temp);
INSERT INTO xx_mtl_supply_demand_temp
SELECT *
FROM mtl_supply_demand_temp
WHERE seq_num = 0;
END IF;
END LOOP;
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WHERE rule_id IN (SELECT atp_rule_id
FROM mtl_group_atps_view
WHERE atp_group_id = 0);
EXCEPTION
WHEN OTHERS
THEN
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BEGIN
DELETE mtl_group_atps_view
WHERE atp_group_id = 0;
EXCEPTION
WHEN OTHERS
THEN
NULL;
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BEGIN
DELETE mtl_supply_demand_temp
WHERE seq_num = 0;
EXCEPTION
WHEN OTHERS
THEN
NULL;
END;
inv_utilities.do_sql ('commit');END;
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Since this is a function, probably you can use this in discoverer queuries (I am not sure). Then query this custom table (mirror of mtl_supply_demand_temp) to show the report.
Thanks
Nagamohan

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So,
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Best Regards,
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Hi,
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Hello everybody,
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