MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/01 through 02/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,250 86,684
2-4 a.m. 2,741 35,497
4-6 a.m. 2,497 30,674
6-8 a.m. 5,175 57,550
8-10 a.m. 14,082 297,879
10-12 a.m. 28,159 595,674
12-2 p.m. 32,893 682,446
2-4 p.m. 35,963 710,531
4-6 p.m. 27,642 561,476
6-8 p.m. 15,469 295,722
8-10 p.m. 10,939 224,701
10-12 p.m. 8,919 149,743
__________ _____________ _________________
Total: 189,729 3,728,577
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 0
Irvine 296
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 142,784
Searchlight 13,599
Other - UC 1,862
Other-Network UC 31,178
_____
189,729
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 531
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 3,656,560
Searchlight 0
Other - UC 16,426
Other-Network UC 55,060
_____
3,728,577
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 2.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:19
Average session length (minutes:seconds) 16:38
Longest session recorded (minutes:seconds) 193:21
Average number of searches completed per session 94865
Retrievals per search - median 1.0
Retrievals per search - average 79.8
Retrievals per search - standard deviation 1093.4
Percent of searches completed with 0 results 39.1%
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 189,729 19.0%
PRESENT 706,746 70.7%
INIT or CLOSE 102,014 10.2%
OTHER 947 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 TITLE88,843 39.6% 31,994 36.0% 5 175.1 1659.6
EXACT PE TITLE 43,957 19.6% 10,285 23.4% 2 56.7 1199.5
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 4,902 2.2% 4,451 90.8% 2 14.0 57.7
CORP AUTHOR 8,190 3.6% 6,849 83.6% 7 128.6 714.1
EXACT CORP AUTH 474 0.2% 155 32.7% 7 153.3 382.5
SUBJECT 21,678 9.7% 13,504 62.3% 13 335.3 1466.5
EXACT SUBJECT 1,899 0.8% 637 33.5% 6 251.6 1305.5
SERIES 232 0.1% 200 86.2% 10 147.6 550.1
EXACT SERIES 62 0.0% 30 48.4% 12 67.9 108.2
CODEN 127 0.1% 46 36.2% 1 1.2 0.4
ISBN 9,107 4.1% 9,104 100% 3 3.0 0.0
LCCN 999 0.4% 935 93.6% 1 1.3 0.6
ISSN 15,113 6.7% 1,263 8.4% 1 1.7 1.4
INDEXED BY 31 0.0% 29 93.5% 375 375.0 130.1
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 341 0.2% 325 95.3% 1 6.8 16.1
GOV'T DOC NUM 27 0.0% 26 96.3% 52 52.0 0.0
REPORT NUM 20 0.0% 20 100% 0 0.0 0.0
STOCK NUM 10 0.0% 7 70.0% 1 1.0 0.0
GPO ITEM NUM 5 0.0% 5 100% 0 0.0 0.0
AT 27,815 12.4% 7,782 28.0% 2 45.0 325.2
RPE 405 0.2% 282 69.6% 5 150.3 600.0
RXPE 122 0.1% 73 59.8% 3 65.5 221.9
Other indexes 143 0.1% 112 78.3% 100 666.0 862.6
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 33,909 17.9% 13,227 39.0% 2 47.2 347.6
Single 155,820 82.1% 60,913 39.1% 3 149.2 1534.2
PRESENT commands, by type:
MARC 29.0%
OPAC 20.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)