MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/02/00 through 12/08/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,258 23,970
2-4 a.m. 787 7,481
4-6 a.m. 802 8,901
6-8 a.m. 1,162 14,572
8-10 a.m. 2,867 48,940
10-12 a.m. 6,257 130,054
12-2 p.m. 6,746 129,708
2-4 p.m. 7,582 162,695
4-6 p.m. 6,314 114,012
6-8 p.m. 3,821 64,223
8-10 p.m. 2,920 60,395
10-12 p.m. 2,324 41,400
__________ _____________ _________________
Total: 42,840 806,351
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 66
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 31,702
Searchlight 3,256
Other - UC 742
Other-Network UC 7,071
_____
42,840
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 104
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 788,627
Searchlight 0
Other - UC 5,273
Other-Network UC 12,345
_____
806,351
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:12
Average session length (minutes:seconds) 16:12
Longest session recorded (minutes:seconds) 266:39
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 71.9
Retrievals per search - standard deviation 1071.0
Percent of searches completed with 0 results 39.3%
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 42,840 19.1%
PRESENT 157,030 69.9%
INIT or CLOSE 24,665 11.0%
OTHER 34 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 TITLE18,668 37.2% 6,989 37.4% 5 168.6 1532.1
EXACT PE TITLE 9,610 19.1% 2,319 24.1% 2 70.3 1577.7
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 1,283 2.6% 1,193 93.0% 3 21.3 44.2
CORP AUTHOR 1,601 3.2% 1,327 82.9% 7 85.6 355.0
EXACT CORP AUTH 121 0.2% 32 26.4% 4 119.6 259.9
SUBJECT 5,113 10.2% 3,193 62.4% 11 247.3 992.2
EXACT SUBJECT 409 0.8% 157 38.4% 6 199.5 1049.1
SERIES 43 0.1% 29 67.4% 2 56.9 136.0
EXACT SERIES 15 0.0% 8 53.3% 7 23.4 46.6
CODEN 19 0.0% 5 26.3% 1 1.2 0.4
ISBN 2,352 4.7% 2,352 100% 0 0.0 0.0
LCCN 127 0.3% 110 86.6% 1 1.5 0.9
ISSN 4,835 9.6% 328 6.8% 1 1.6 1.1
INDEXED BY 12 0.0% 12 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 69 0.1% 67 97.1% 29 29.0 39.6
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 5,727 11.4% 1,584 27.7% 3 52.2 350.1
RPE 118 0.2% 81 68.6% 4 28.4 69.6
RXPE 21 0.0% 15 71.4% 6 35.0 71.2
Other indexes 30 0.1% 19 63.3% 283 6152.8 13312.4
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 7,096 16.6% 2,759 38.9% 3 58.7 607.3
Single 35,744 83.4% 14,092 39.4% 3 130.5 1479.2
PRESENT commands, by type:
MARC 28.7%
OPAC 20.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)