Strange response time for an RFC call viewed from STAD on R/3 4.7
Hello,
On our R/3 4.7 production system, we have a lot of external RFC calls to execute an abap module function. There are 70 000 of these calls per day.
The mean response time for this RFC call is 35 ms.
Some times a few of them (maybe 10 to 20 per day) are way much longer.
I am currently analysing with STAD one of these long calls which lasted 10 seconds !
Here is the info from STAD
Response time : 10 683 ms
Total time in workprocess : 10 683 ms
CPU time : 0 ms
RFC+CPIC time : 0 ms
Wait for work process 0 ms
Processing time 10.679 ms
Load time 1 ms
Generating time 0 ms
Roll (in) time 0 ms
Database request time 3 ms
Enqueue time 0 ms
Number Roll ins 0
Roll outs 0
Enqueues 0
Load time Program 1 ms
Screen 0 ms
CUA interf. 0 ms
Roll time Out 0 ms
In 0 ms
Wait 0 ms
Frontend No.roundtrips 0
GUI time 0 ms
Net time 0 ms
There is nearly no abap processing in the function module.
I really don't uderstand what is this 10 679 ms processing time especially with 0 ms cpu time and 0 ms wait time.
A usual fast RFC call gives this data
23 ms response time
16 ms cpu time
14 ms processing time
1 ms load time
8 ms Database request time
Does anybody have an idea of what is the system doing during the 10 seconds processing time ?
Regards,
Olivier
Hi Graham,
Thank you for your input and thoughts.
I will have to investigate on RZ23N and RZ21 because I'm not used to use them.
I'm used to investigate performance problems with ST03 and STAD.
My system is R/3 4.7 WAS 6.20. ABAP and BASIS 43
Kernel 6.40 patch level 109
We know these are old patch levels but we are not allowed to stop this system for upgrade "if it's not broken" as it is used 7/7 24/24.
I'm nearlly sure that the problem is not an RFC issue because I've found other slow dialog steps for web service calls and even for a SAPSYS technical dialog step of type <no buffer>. (what is this ?)
This SAPSYS dialog step has the following data :
User : SAPSYS
Task type : B
Program : <no buffer>
CPU time 0 ms
RFC+CPIC time 0 ms
Total time in workprocs 5.490 ms
Response time 5.490 ms
Wait for work process 0 ms
Processing time 5.489 ms
Load time 0 ms
Generating time 0 ms
Roll (in+wait) time 0 ms
Database request time 1 ms ( 3 Database requests)
Enqueue time 0 ms
All hundreds of other SAPSYS <no buffer> steps have a less than 5 ms response time.
It looks like the system was frozen during 5 seconds...
Here are some extracts from STAD of another case from last saturday.
11:00:03 bt1fsaplpr02_PLG RFC R 3 USER_LECKIT 13 13 0 0
11:00:03 bt1sqkvf_PLG_18 RFC R 4 USER_LECDIS 13 13 0 0
11:00:04 bt1sqkvh_PLG_18 RFC R 0 USER_LECKIT 19 19 0 16
11:00:04 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 77 77 0 16
11:00:04 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 13 13 0 0
11:00:04 bt1sqkvf_PLG_18 RFC R 4 USER_LECDIS 14 14 0 16
11:00:05 bt1sqkvg_PLG_18 RFC R 0 USER_LECKIT 12 12 0 16
11:00:05 bt1sqkve_PLG_18 RFC R 4 USER_LECKIT 53 53 0 0
11:00:06 bt1sqkvh_PLG_18 RFC R 0 USER_LECKIT 76 76 0 0
11:00:06 bt1sqk2t_PLG_18 RFC R 0 USER_LECDIS 20 20 0 31
11:00:06 bt1sqk2t_PLG_18 RFC R 0 USER_LECKIT 12 12 0 0
11:00:06 bt1sqkve_PLG_18 RFC R 4 USER_LECKIT 13 13 0 0
11:00:06 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 34 34 0 16
11:00:07 bt1sqkvh_PLG_18 RFC R 0 USER_LECDIS 15 15 0 0
11:00:07 bt1sqkvg_PLG_18 RFC R 0 USER_LECKIT 13 13 0 16
11:00:07 bt1sqk2t_PLG_18 RFC R 0 USER_LECKIT 19 19 0 0
11:00:07 bt1fsaplpr02_PLG RFC R 3 USER_LECKIT 23 13 10 0
11:00:07 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 38 38 0 0
11:00:08 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 20 20 0 16
11:00:09 bt1sqkvg_PLG_18 RFC R 0 USER_LECDIS 9 495 9 495 0 16
11:00:09 bt1sqk2t_PLG_18 RFC R 0 USER_LECDIS 9 404 9 404 0 0
11:00:09 bt1sqkvh_PLG_18 RFC R 1 USER_LECKIT 9 181 9 181 0 0
11:00:10 bt1fsaplpr02_PLG RFC R 3 USER_LECDIS 23 23 0 0
11:00:10 bt1sqkve_PLG_18 RFC R 4 USER_LECKIT 8 465 8 465 0 16
11:00:18 bt1sqkvh_PLG_18 RFC R 0 USER_LECKIT 18 18 0 16
11:00:18 bt1sqkvg_PLG_18 RFC R 0 USER_LECKIT 89 89 0 0
11:00:18 bt1sqk2t_PLG_18 RFC R 0 USER_LECKIT 75 75 0 0
11:00:18 bt1sqkvh_PLG_18 RFC R 1 USER_LECDIS 43 43 0 0
11:00:18 bt1sqk2t_PLG_18 RFC R 1 USER_LECDIS 32 32 0 16
11:00:18 bt1sqkvg_PLG_18 RFC R 1 USER_LECDIS 15 15 0 16
11:00:18 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 13 13 0 0
11:00:18 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 14 14 0 0
11:00:18 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 69 69 0 16
11:00:18 bt1sqkvf_PLG_18 RFC R 5 USER_LECDIS 49 49 0 16
11:00:18 bt1sqkve_PLG_18 RFC R 5 USER_LECKIT 19 19 0 16
11:00:18 bt1sqkvf_PLG_18 RFC R 5 USER_LECDIS 15 15 0 16
The load at that time was very light with only a few jobs starting :
11:00:08 bt1fsaplpr02_PLG RSCONN01 B 31 USER_BATCH 39
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 31 USER_BATCH 34
11:00:08 bt1fsaplpr02_PLG /SDF/RSORAVSH B 33 USER_BATCH 64
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 33 USER_BATCH 43
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 34 USER_BATCH 34
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 35 USER_BATCH 37
11:00:09 bt1fsaplpr02_PLG RVV50R10C B 34 USER_BATCH 60
11:00:09 bt1fsaplpr02_PLG ZLM_HDS_IS_PURGE_RESERVATION B 35 USER_BATCH 206
I'm thinking also now about the message server as there is load balancing for each RFC call ?
Regards,
Olivier
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Checking DNS response time for an unreachable node
Node Name Status
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PRVF-5636 : The DNS response time for an unreachable node exceeded "15000" ms on following nodes: rac2
File "/etc/resolv.conf" is not consistent across nodesok....now to solve this error...i tried many options...but not able to succeed.
Try 1:
[root@mydns ~]# time nslookup rac1
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac1.sathy.net
Address: 192.168.1.3
real 0m0.051s
user 0m0.003s
sys 0m0.011s
[root@mydns ~]# [oracle@rac1 grid]$ time nslookup mydns
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: mydns.sathy.net
Address: 192.168.1.2
real 0m0.019s
user 0m0.005s
sys 0m0.008s
[oracle@rac1 grid]$
[root@rac2 ~]# time nslookup rac1
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac1.sathy.net
Address: 192.168.1.3
real 0m0.019s
user 0m0.008s
sys 0m0.005s
[root@rac2 ~]# Try 2:
[root@mydns ~]# nslookup sathy-scan
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: sathy-scan.sathy.net
Address: 192.168.1.8
Name: sathy-scan.sathy.net
Address: 192.168.1.9
Name: sathy-scan.sathy.net
Address: 192.168.1.7
[root@mydns ~]# nslookup rac1
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac1.sathy.net
Address: 192.168.1.3
[root@mydns ~]# nslookup rac2
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac2.sathy.net
Address: 192.168.1.5
[root@mydns ~]#
[oracle@rac1 grid]$ nslookup sathy-scan
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: sathy-scan.sathy.net
Address: 192.168.1.9
Name: sathy-scan.sathy.net
Address: 192.168.1.7
Name: sathy-scan.sathy.net
Address: 192.168.1.8
[oracle@rac1 grid]$ nslookup rac2
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac2.sathy.net
Address: 192.168.1.5
[oracle@rac1 grid]$ nslookup rac1
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac1.sathy.net
Address: 192.168.1.3
[oracle@rac1 grid]$
[root@rac2 ~]# nslookup sathy-scan
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: sathy-scan.sathy.net
Address: 192.168.1.7
Name: sathy-scan.sathy.net
Address: 192.168.1.8
Name: sathy-scan.sathy.net
Address: 192.168.1.9
[root@rac2 ~]# nslookup rac1
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac1.sathy.net
Address: 192.168.1.3
[root@rac2 ~]# nslookup rac2
Server: 192.168.1.2
Address: 192.168.1.2#53
Name: rac2.sathy.net
Address: 192.168.1.5
[root@rac2 ~]# Try 3:
[root@mydns ~]# cat /etc/named.conf
// Default named.conf generated by install of bind-9.2.4-30.el4_7.2
options {
listen-on port 53 { any; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
forwarders { 192.168.1.1; };
include "/etc/rndc.key";
zone "sathy.net" IN {
type master;
file "sathy.net.zone";
allow-update { none; };
zone "1.168.192.in-addr.arpa." IN {
type master;
file "1.168.192.in-addr.arpa";
allow-update { none; };
zone "." in {
type hint;
file "/dev/null";
[root@mydns ~]# Try 4:
[root@mydns ~]# cat /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
# targeted - Targeted processes are protected,
# mls - Multi Level Security protection.
#SELINUXTYPE=targeted
[root@mydns ~]#
[oracle@rac1 grid]$ cat /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
# targeted - Targeted processes are protected,
# mls - Multi Level Security protection.
#SELINUXTYPE=targeted
[oracle@rac1 grid]$
[root@rac2 ~]# cat /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
# targeted - Targeted processes are protected,
# mls - Multi Level Security protection.
#SELINUXTYPE=targeted
[root@rac2 ~]# what else i have to check to solve this error?
for the past 2 days..i am trying to solve this error. may be somewhere a small mistake is happened from my side, but i am not able to find out.
hope somebody will find out and help me.
thanksok...here it is....
[root@mydns ~]# cat /etc/resolv.conf
# Generated by NetworkManager
search sathy.net
nameserver 192.168.1.2
[root@mydns ~]#
[root@rac1 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
search sathy.net
nameserver 192.168.1.2
[root@rac1 ~]#
[root@rac2 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
search sathy.net
nameserver 192.168.1.2
[root@rac2 ~]#
[root@mydns ~]# cat /etc/hosts
#127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
# Public Network – (eth0)
192.168.1.3 rac1.sathy.net rac1
192.168.1.5 rac2.sathy.net rac2
# Public Virtual IP (VIP) addresses – (eth0:1)
192.168.1.4 rac1-vip.sathy.net rac1-vip
192.168.1.6 rac2-vip.sathy.net rac2-vip
# Private Interconnect – (eth1)
192.168.2.3 rac1-priv.sathy.net rac1-priv
192.168.2.5 rac2-priv.sathy.net rac2-priv
#Compute Node Client Access SCAN Interface details
#192.168.1.7 sathy-scan.sathy.net sathy-scan
#192.168.1.8 sathy-scan.sathy.net sathy-scan
#192.168.1.9 sathy-scan.sathy.net sathy-scan
[root@mydns ~]#
[root@rac1 ~]# cat /etc/hosts
#127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
# Public Network – (eth0)
192.168.1.3 rac1.sathy.net rac1
192.168.1.5 rac2.sathy.net rac2
# Public Virtual IP (VIP) addresses – (eth0:1)
192.168.1.4 rac1-vip.sathy.net rac1-vip
192.168.1.6 rac2-vip.sathy.net rac2-vip
# Private Interconnect – (eth1)
192.168.2.3 rac1-priv.sathy.net rac1-priv
192.168.2.5 rac2-priv.sathy.net rac2-priv
#Compute Node Client Access SCAN Interface details
#192.168.1.7 sathy-scan.sathy.net sathy-scan
#192.168.1.8 sathy-scan.sathy.net sathy-scan
#192.168.1.9 sathy-scan.sathy.net sathy-scan
[root@rac1 ~]#
[root@rac2 ~]# cat /etc/hosts
#127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
# Public Network – (eth0)
192.168.1.3 rac1.sathy.net rac1
192.168.1.5 rac2.sathy.net rac2
# Public Virtual IP (VIP) addresses – (eth0:1)
192.168.1.4 rac1-vip.sathy.net rac1-vip
192.168.1.6 rac2-vip.sathy.net rac2-vip
# Private Interconnect – (eth1)
192.168.2.3 rac1-priv.sathy.net rac1-priv
192.168.2.5 rac2-priv.sathy.net rac2-priv
#Compute Node Client Access SCAN Interface details
#192.168.1.7 sathy-scan.sathy.net sathy-scan
#192.168.1.8 sathy-scan.sathy.net sathy-scan
#192.168.1.9 sathy-scan.sathy.net sathy-scan
[root@rac2 ~]#
[oracle@rac1 ~]$ ssh rac2 date
Sun Sep 9 22:04:45 IST 2012
[oracle@rac1 ~]$ su - grid
Password:
[grid@rac1 ~]$ ssh rac2 date
Sun Sep 9 22:04:54 IST 2012
[grid@rac1 ~]$
[oracle@rac2 ~]$ ssh rac1 date
Sun Sep 9 22:04:18 IST 2012
[oracle@rac2 ~]$ su - grid
Password:
[grid@rac2 ~]$ ssh rac1 date
Sun Sep 9 22:04:31 IST 2012
[grid@rac2 ~]$ Now the error is ...
PRVF-5637 : DNS response time could not be checked on following nodes: rac2,rac1what else?
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Checking consistency of file "/etc/resolv.conf" across nodes
Checking the file "/etc/resolv.conf" to make sure only one of domain and search entries is defined
File "/etc/resolv.conf" does not have both domain and search entries defined
Checking if domain entry in file "/etc/resolv.conf" is consistent across the nodes...
domain entry in file "/etc/resolv.conf" is consistent across nodes
Checking if search entry in file "/etc/resolv.conf" is consistent across the nodes...
search entry in file "/etc/resolv.conf" is consistent across nodes
Checking DNS response time for an unreachable node
Node Name Status
rac2 failed
rac1 failed
PRVF-5636 : The DNS response time for an unreachable node exceeded "15000" ms on following nodes: rac2,rac1
File "/etc/resolv.conf" is not consistent across nodes
Thanks[oracle@bdk-dev-db2 ~]$ time nslookup bdk-dev-db2
Server: 10.244.56.102
Address: 10.244.56.102#53
Name: bdk-dev-db2.dev.com
Address: 10.244.56.104
real 0m1.811s
user 0m0.003s
sys 0m0.004s
[oracle@bdk-dev-db2 ~]$ time nslookup bdk-dev-db1
Server: 10.244.56.102
Address: 10.244.56.102#53
Name: bdk-dev-db1.dev.com
Address: 10.244.56.103
real 0m0.007s
user 0m0.003s
sys 0m0.002s -
SLR - transaction response time for all appl. servers together
Hi,
we want to have in SLR response time for defined transaction. We have activated necessary steps for monitoring transactions, started CPH and we can see in SLR average response times.
We have several application servers and we want to have in SLR TOTAL response time for all appl. servers together.
Is it possible? What is necessary steps to do it?
Thanks for all hints.
Regards,
RomanHi Andreas,
Another way to approach this would be to use CCMS transaction monitoring by maintaining table ALTRAMONI (in the satellite system) as described here: http://help.sap.com/saphelp_nw70/helpdata/en/b3/468e3b093d4031e10000000a11402f/content.htm
In RZ20 you'll be able to see the last 24 hours of performance data in a 1-hour granularity, as well as the last 30 minutes in a higher granularity. Depending on your requirements you can then configure alerting so that you get an email when performance passes a certain threshold.
Jon -
Send data to ECC table through RFC Call function from SAP B1 via b1if
Hi,
I have created scenario in B1if which triggers from SAP B1, now I have to send this data in to ECC table, so I have created scenario for that with inbound SAP B1, outbound void and in process RFC Call atom is there but I am not getting data in receiver and also how to write xml to send data in RFC function. Function for RFC has configured from ECC end and have access of that function.
So please help me to send data to ECC table through RFC Call function from SAP B1 (9.0) via b1if
ThanksSolved by my own.
-
Calling view from view.
Hi,
I am Facing a problem, actually i want to call a view from within a view (both views are under the same controller "indx.do") and for that i am using <a> tag like:
In "View1.htm" i am using,
<a href="Qual_Insp.htm"><label>Qualty Inspection</label></a>
but i am unable to do the same.
Can anyone please tell me how to do this.
regards,
Aayush Aggarwalavoid duplicate posts. continue the discussion at
calling view from onClientClick -
How to view response time for each execution in OEM 12c Cloud Control
Hi All,
I want to view response time of each execution for my SOA composite in OEM 12c Cloud Control. Can anyone tell me how can I achieve that?
Thanks in Advance!!You should open an SR and support can assist you with it. The only current case where that feature is known to not work is in the case where the Dehydration Store is running on RAC. Otherwise, it should be possible to get it to work. The main thing is that you need to have DB configuration properties (host, port, sid) that have a 3-way string match between the JDBC data source configuration in the WLS server, the JDBC properties you add to the Monitoring Properties of the SOA Infrastructure target, and the connect settings of the Database target in EM that matches to the dehydration DB.
If there isn't a match in all 3, the Dehydration Diagnostics page will not work. But again, to look into your specific setup, you should file an SR and work with support. -
I have a WCF Adapter service to call a SAP RFC. When I call the RFC first time, it gives me correct no of result set but when I call this RFC second time immediately after first call, it gives me merged result set (First Result set + Second Result Set).
e.g. We have a RFC which receives vendor number and blank object of result set as parameter and gives back the list of purchase orders as Response in object of result set for that vendor.
Suppose, we have a vendor "a" and vendor "b". For vendor "a" there are 5 purchase orders and for vendor "b", we have 4 purchase orders in SAP. When I call the WCF adapter service for this RFC for vendor "a",
it gives me 5 purchase orders. Immediately after first call, when I call WCF service for vendor "b", it gives me 9 (5+4) purchase order records which is wrong.
In brief, one RFC call is affected by its previous call.
For each new WCF request, a new object of result set is created, connection is opened, rfc is executed and connection is closed.
Can anybody have any idea on this?
Thanks.
Thanks, Nishant GuptaHi,
Please refer to the document
http://seroter.wordpress.com/biztalk-and-wcf-part-vii-about-the-biztalk-adapter-pack/ -
How to find the Response time for a particular Transaction
Hello Experts,
Am implementing a BAdI to achieve some customer enhancement for XD01 Transaction . I need to confirm to customer that after the implementation and before implementation what is the response time of the system
Response time BEFORE BAdI Implementation
Response time AFTER BAdI Implementation
Where can i get this.
Help me in this regard
Best Regards
SRiNiHello,
Within STAD, enter the time range that the user was executing the transaction within as well as the user name. The time field indicates the time when the transaction would have ended. STAD adds some extra time on using your time interval. Depending on how long the transaction ran, you can set the length you want it to display. This means that if it is set to 10, STAD will display statistical records from transactions that ended within that 10 minute period.
The selection screen also gives you a few options for display mode.
- Show all statistic records, sorted by star
This shows you all of the transaction steps, but they are not grouped in any way.
-Show all records, grouped by business transaction
This shows the transaction steps grouped by transaction ID (shown in the record as Trans. ID). The times are not cumulative. They are the times for each individual step.
-Show Business Transaction Tots
This shows the transaction steps grouped by transaction ID. However, instead of just listing them you can drill from the top level down. The top level will show you the overall response time, and as you drill down, you can get to the overall response time.
Note that you also need to add the user into the selection criteria. Everything else you can leave alone in this case.
Once you have the records displayed, you can double click them to get a detailed record. This will show you the following:
- Breakdown of response time (wait for work process, processing time, load time, generating time, roll time, DB time, enqueue time). This makes STAD a great place to start for performance analysis as you will then know whether you will need to look at SQL, processing, or any other component of response time first.
- Stats on the data selected within the execution
- Memory utilization of the transaction
- RFCs executed (including the calling time and remote execution time - very useful with performance analysis of interfaces)
- Much more.
As this chain of comments has previously indicated, you are best off using STAD if you want an accurate indication of response time. The ST12 (combines SE30 ABAP trace and ST05 SQL trace) trace times are less accurate that the values you get from ST12. I am not discounting the value of ST12 by any means. This is a very powerful tool to help you tune your transactions.
I hope this information is helpful!
Kind regards,
Geoff Irwin
Senior Support Consultant
SAP Active Global Support
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