MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/99 through 02/28/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,634 19,288
2-4 a.m. 2,155 9,485
4-6 a.m. 1,712 9,343
6-8 a.m. 2,166 15,104
8-10 a.m. 6,681 70,339
10-12 a.m. 12,263 121,290
12-2 p.m. 13,666 137,950
2-4 p.m. 15,720 143,804
4-6 p.m. 12,275 121,253
6-8 p.m. 7,667 68,317
8-10 p.m. 5,952 54,556
10-12 p.m. 3,703 38,425
__________ _____________ _________________
Total: 86,594 809,154
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 29
Davis 6
Irvine 849
Los Angeles 11
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 76,004
Other - UC 1,780
Other-Network UC 7,915
_____
86,594
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 470
Davis 47
Irvine 3,262
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 761,397
Other - UC 12,069
Other-Network UC 31,909
_____
809,154
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 4.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 22:10
Average session length (minutes:seconds) 22:48
Longest session recorded (minutes:seconds) 226:22
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 74.9
Retrievals per search - standard deviation 925.3
Percent of searches completed with 0 results 41.6%
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 86,573 25.4%
PRESENT 227,801 67.0%
INIT or CLOSE 25,306 7.4%
OTHER 490 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 TITLE39,963 36.4% 13,212 33.1% 5 146.8 1345.0
EXACT PE TITLE 22,471 20.5% 6,392 28.4% 2 31.6 707.2
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 2,507 2.3% 2,306 92.0% 2 30.1 198.8
CORP AUTHOR 3,465 3.2% 2,808 81.0% 9 110.0 460.7
EXACT CORP AUTH 275 0.3% 82 29.8% 3 42.0 269.5
SUBJECT 16,920 15.4% 11,656 68.9% 15 329.1 1308.6
EXACT SUBJECT 1,295 1.2% 502 38.8% 7 122.7 802.0
SERIES 156 0.1% 142 91.0% 6 25.3 43.0
EXACT SERIES 65 0.1% 41 63.1% 8 143.9 253.3
CODEN 22 0.0% 12 54.5% 1 1.4 0.5
ISBN 977 0.9% 977 100% 0 0.0 0.0
LCCN 14 0.0% 14 100% 0 0.0 0.0
ISSN 841 0.8% 117 13.9% 2 1.9 1.1
INDEXED BY 22 0.0% 22 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 5 0.0% 5 100% 0 0.0 0.0
GOV'T DOC NUM 22 0.0% 21 95.5% 1 1.0 0.0
REPORT NUM 8 0.0% 8 100% 0 0.0 0.0
STOCK NUM 8 0.0% 7 87.5% 1 1.0 0.0
GPO ITEM NUM 6 0.0% 6 100% 0 0.0 0.0
AT 20,097 18.3% 8,242 41.0% 3 46.4 292.4
RPE 405 0.4% 263 64.9% 6 260.7 1251.7
RXPE 132 0.1% 80 60.6% 7 81.4 285.1
Other indexes 16 0.0% 8 50.0% 13,171 34771.9 40445.9
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 22,293 25.8% 10,166 45.6% 3 54.4 818.0
Single 64,280 74.2% 25,856 40.2% 4 151.4 1306.6
PRESENT commands, by type:
MARC 46.6%
OPAC 30.8%