MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/00 through 01/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,766 51,077
2-4 a.m. 1,988 25,960
4-6 a.m. 1,985 26,174
6-8 a.m. 3,779 69,441
8-10 a.m. 10,683 237,792
10-12 a.m. 21,768 488,389
12-2 p.m. 22,499 493,809
2-4 p.m. 27,482 580,191
4-6 p.m. 19,502 404,079
6-8 p.m. 9,678 198,411
8-10 p.m. 7,003 150,630
10-12 p.m. 4,666 88,195
__________ _____________ _________________
Total: 133,799 2,814,148
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 2
Irvine 672
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 119,358
Other - UC 1,389
Other-Network UC 12,375
_____
133,799
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 1,848
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 2,750,312
Other - UC 14,182
Other-Network UC 47,806
_____
2,814,148
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 4.2
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) 20:35
Average session length (minutes:seconds) 18:10
Longest session recorded (minutes:seconds) 227:04
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 75.9
Retrievals per search - standard deviation 988.9
Percent of searches completed with 0 results 30.9%
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 133,799 17.9%
PRESENT 551,803 73.9%
INIT or CLOSE 61,235 8.2%
OTHER 325 0.0%
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 TITLE63,116 38.2% 17,334 27.5% 4 158.6 1492.8
EXACT PE TITLE 39,643 24.0% 8,993 22.7% 2 33.6 771.2
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 4,276 2.6% 3,806 89.0% 2 15.0 72.0
CORP AUTHOR 3,239 2.0% 2,266 70.0% 8 109.7 571.9
EXACT CORP AUTH 291 0.2% 80 27.5% 4 90.6 397.2
SUBJECT 14,767 8.9% 9,189 62.2% 12 283.3 1257.5
EXACT SUBJECT 1,201 0.7% 493 41.0% 8 113.9 496.7
SERIES 147 0.1% 120 81.6% 7 83.1 161.7
EXACT SERIES 63 0.0% 35 55.6% 28 103.6 272.4
CODEN 5 0.0% 2 40.0% 2 1.7 0.6
ISBN 762 0.5% 761 99.9% 1 1.0 0.0
LCCN 20 0.0% 16 80.0% 1 1.0 0.0
ISSN 9,129 5.5% 851 9.3% 1 1.6 1.0
INDEXED BY 20 0.0% 20 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 14 0.0% 4 28.6% 44 30.9 22.3
GOV'T DOC NUM 21 0.0% 20 95.2% 47 47.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 16 0.0% 16 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 3 75.0% 2 2.0 0.0
AT 28,043 17.0% 6,718 24.0% 2 36.5 257.7
RPE 349 0.2% 231 66.2% 9 232.0 1094.5
RXPE 97 0.1% 52 53.6% 2 9.2 28.3
Other indexes 132 0.1% 87 65.9% 497 1578.4 2302.3
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 30,778 23.0% 9,017 29.3% 2 37.6 263.6
Single 103,021 77.0% 32,388 31.4% 3 132.2 1350.6
PRESENT commands, by type:
MARC 30.1%
OPAC 21.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)