MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/99 through 03/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,823 19,458
2-4 a.m. 1,368 8,751
4-6 a.m. 1,683 7,358
6-8 a.m. 2,785 26,344
8-10 a.m. 7,705 74,658
10-12 a.m. 13,575 138,741
12-2 p.m. 14,525 145,824
2-4 p.m. 16,596 159,982
4-6 p.m. 12,565 118,856
6-8 p.m. 7,375 61,295
8-10 p.m. 5,614 51,195
10-12 p.m. 5,238 36,951
__________ _____________ _________________
Total: 91,852 849,413
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 7
Davis 2
Irvine 1,182
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 76,937
Other - UC 1,904
Other-Network UC 11,820
_____
91,852
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 74
Davis 0
Irvine 5,085
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 772,283
Other - UC 11,803
Other-Network UC 60,168
_____
849,413
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 0.3
Standard deviation in seconds 4.0
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) 21:54
Average session length (minutes:seconds) 22:13
Longest session recorded (minutes:seconds) 257:36
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 79.4
Retrievals per search - standard deviation 1051.7
Percent of searches completed with 0 results 40.0%
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 91,847 25.4%
PRESENT 241,536 66.8%
INIT or CLOSE 27,508 7.6%
OTHER 459 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 TITLE40,556 35.5% 13,103 32.3% 5 160.9 1608.5
EXACT PE TITLE 26,526 23.2% 7,450 28.1% 2 54.8 1045.6
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 2,519 2.2% 2,269 90.1% 2 13.9 31.6
CORP AUTHOR 3,158 2.8% 2,380 75.4% 9 132.5 536.7
EXACT CORP AUTH 326 0.3% 116 35.6% 3 29.6 120.4
SUBJECT 15,976 14.0% 11,132 69.7% 13 319.9 1233.6
EXACT SUBJECT 1,394 1.2% 665 47.7% 6 166.7 1080.9
SERIES 134 0.1% 115 85.8% 7 76.7 150.2
EXACT SERIES 41 0.0% 22 53.7% 16 104.1 317.1
CODEN 26 0.0% 7 26.9% 1 1.4 0.6
ISBN 1,295 1.1% 1,295 100% 0 0.0 0.0
LCCN 44 0.0% 43 97.7% 2 2.0 0.0
ISSN 2,231 2.0% 398 17.8% 1 1.9 1.8
INDEXED BY 25 0.0% 25 100% 0 0.0 0.0
DLA ID 7 0.0% 3 42.9% 1 1.0 0.0
LOCAL NUM 14 0.0% 8 57.1% 1 1.0 0.0
GOV'T DOC NUM 18 0.0% 17 94.4% 46 46.0 0.0
REPORT NUM 10 0.0% 10 100% 0 0.0 0.0
STOCK NUM 16 0.0% 14 87.5% 2 1.5 0.7
GPO ITEM NUM 5 0.0% 3 60.0% 1 1.0 0.0
AT 19,458 17.0% 7,691 39.5% 2 49.7 506.3
RPE 370 0.3% 235 63.5% 8 295.0 1504.8
RXPE 140 0.1% 82 58.6% 3 271.0 1984.2
Other indexes 6 0.0% 1 16.7% 7,639 4684.2 4049.2
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 21,659 23.6% 9,613 44.4% 2 50.9 510.5
Single 70,188 76.4% 27,139 38.7% 4 155.2 1508.5
PRESENT commands, by type:
MARC 45.8%
OPAC 32.3%