MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/10/01 through 03/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,721 16,570
2-4 a.m. 849 12,699
4-6 a.m. 843 7,263
6-8 a.m. 1,543 17,352
8-10 a.m. 4,017 99,513
10-12 a.m. 7,190 154,523
12-2 p.m. 8,863 170,458
2-4 p.m. 9,413 192,810
4-6 p.m. 8,402 146,885
6-8 p.m. 4,982 82,514
8-10 p.m. 3,690 66,470
10-12 p.m. 3,285 41,709
__________ _____________ _________________
Total: 54,798 1,008,766
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 60
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 41,338
Searchlight 3,655
Other - UC 562
Other-Network UC 9,182
_____
54,798
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 144
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 988,778
Searchlight 0
Other - UC 4,747
Other-Network UC 15,097
_____
1,008,766
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:10
Average session length (minutes:seconds) 16:44
Longest session recorded (minutes:seconds) 228:41
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 75.2
Retrievals per search - standard deviation 930.3
Percent of searches completed with 0 results 37.3%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 54,798 19.2%
PRESENT 198,781 69.7%
INIT or CLOSE 31,537 11.1%
OTHER 169 0.1%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERIODICAL TITLE24,969 39.6% 8,989 36.0% 5 172.7 1357.2
EXACT PE TITLE 11,642 18.4% 2,861 24.6% 2 49.8 1153.4
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,473 2.3% 1,323 89.8% 3 8.5 12.7
CORP AUTHOR 2,015 3.2% 1,687 83.7% 7 129.9 507.5
EXACT CORP AUTH 127 0.2% 32 25.2% 5 96.4 244.8
SUBJECT 5,510 8.7% 3,484 63.2% 13 384.3 1525.1
EXACT SUBJECT 394 0.6% 141 35.8% 7 264.5 1879.5
SERIES 58 0.1% 48 82.8% 5 14.6 35.0
EXACT SERIES 11 0.0% 2 18.2% 1 14.6 32.1
CODEN 28 0.0% 8 28.6% 1 1.3 0.6
ISBN 2,390 3.8% 2,390 100% 0 0.0 0.0
LCCN 197 0.3% 180 91.4% 1 1.2 0.5
ISSN 7,463 11.8% 554 7.4% 1 1.6 1.0
INDEXED BY 6 0.0% 6 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 130 0.2% 123 94.6% 1 3.9 5.4
GOV'T DOC NUM 14 0.0% 13 92.9% 54 54.0 0.0
REPORT NUM 5 0.0% 5 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 6,550 10.4% 1,960 29.9% 2 47.7 366.3
RPE 79 0.1% 51 64.6% 6 293.0 1149.1
RXPE 22 0.0% 10 45.5% 6 10.1 14.6
Other indexes 36 0.1% 26 72.2% 60 1403.2 2516.9
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 8,074 14.7% 3,269 40.5% 2 46.9 360.7
Single 46,724 85.3% 17,150 36.7% 3 131.8 1255.0
PRESENT commands, by type:
MARC 30.0%
OPAC 20.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)