MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/99 through 11/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,606 29,183
2-4 a.m. 2,113 12,307
4-6 a.m. 2,236 16,320
6-8 a.m. 3,701 30,137
8-10 a.m. 12,699 134,042
10-12 a.m. 25,546 258,091
12-2 p.m. 28,122 288,319
2-4 p.m. 33,517 315,409
4-6 p.m. 23,818 223,228
6-8 p.m. 12,060 117,549
8-10 p.m. 9,501 88,545
10-12 p.m. 6,326 63,445
__________ _____________ _________________
Total: 163,245 1,576,575
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 865
Los Angeles 12
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 145,897
Other - UC 3,315
Other-Network UC 13,151
_____
163,245
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 64
Davis 0
Irvine 2,661
Los Angeles 3
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,479,592
Other - UC 26,713
Other-Network UC 67,542
_____
1,576,575
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 4.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:11
Average session length (minutes:seconds) 21:40
Longest session recorded (minutes:seconds) 249:53
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 77.0
Retrievals per search - standard deviation 1016.1
Percent of searches completed with 0 results 30.9%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 163,245 25.6%
PRESENT 411,085 64.5%
INIT or CLOSE 62,993 9.9%
OTHER 321 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 TITLE71,740 34.0% 16,980 23.7% 4 145.5 1477.9
EXACT PE TITLE 47,162 22.3% 10,523 22.3% 2 36.4 900.8
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 4,553 2.2% 4,062 89.2% 2 25.5 142.4
CORP AUTHOR 4,689 2.2% 3,355 71.5% 7 102.5 556.8
EXACT CORP AUTH 441 0.2% 156 35.4% 4 35.7 107.7
SUBJECT 26,394 12.5% 16,441 62.3% 12 281.9 1208.0
EXACT SUBJECT 2,253 1.1% 866 38.4% 7 157.5 1306.4
SERIES 221 0.1% 186 84.2% 4 32.5 70.2
EXACT SERIES 75 0.0% 40 53.3% 6 78.7 277.7
CODEN 7 0.0% 7 100% 0 0.0 0.0
ISBN 931 0.4% 931 100% 0 0.0 0.0
LCCN 31 0.0% 28 90.3% 1 1.3 0.6
ISSN 8,967 4.2% 703 7.8% 1 1.5 1.6
INDEXED BY 45 0.0% 44 97.8% 11 11.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 22 0.0% 8 36.4% 1 11.9 17.7
GOV'T DOC NUM 45 0.0% 44 97.8% 47 47.0 0.0
REPORT NUM 8 0.0% 8 100% 0 0.0 0.0
STOCK NUM 17 0.0% 16 94.1% 1 1.0 0.0
GPO ITEM NUM 6 0.0% 5 83.3% 1 1.0 0.0
AT 42,418 20.1% 10,601 25.0% 2 38.2 274.2
RPE 599 0.3% 377 62.9% 5 131.8 640.4
RXPE 181 0.1% 107 59.1% 4 28.9 115.8
Other indexes 197 0.1% 122 61.9% 247 2034.1 4820.9
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 46,317 28.4% 13,887 30.0% 2 40.4 316.8
Single 116,928 71.6% 36,597 31.3% 3 140.1 1431.5
PRESENT commands, by type:
MARC 46.7%
OPAC 32.1%