MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,682 20,310
2-4 a.m. 763 5,743
4-6 a.m. 878 11,998
6-8 a.m. 1,365 11,177
8-10 a.m. 3,459 52,827
10-12 a.m. 5,199 106,523
12-2 p.m. 5,199 106,698
2-4 p.m. 5,592 108,102
4-6 p.m. 3,896 81,454
6-8 p.m. 2,166 35,288
8-10 p.m. 1,381 29,681
10-12 p.m. 1,406 19,649
__________ _____________ _________________
Total: 32,986 589,450
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 0
Irvine 31
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 1
Searchlight 0
Other - UC 23,030
Other-Network UC 9,924
_____
32,986
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 55
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 0
Searchlight 0
Other - UC 573,192
Other-Network UC 16,203
_____
589,450
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 2.7
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
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Median session length (minutes:seconds) 20:05
Average session length (minutes:seconds) 15:43
Longest session recorded (minutes:seconds) 304:32
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 81.8
Retrievals per search - standard deviation 1051.2
Percent of searches completed with 0 results 42.7%
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 32,986 19.5%
PRESENT 117,620 69.4%
INIT or CLOSE 18,708 11.0%
OTHER 77 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 TITLE14,891 39.8% 6,142 41.2% 5 244.8 1763.7
EXACT PE TITLE 7,136 19.1% 1,668 23.4% 2 42.7 1127.5
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 1,134 3.0% 1,008 88.9% 4 32.1 55.6
CORP AUTHOR 2,217 5.9% 2,013 90.8% 6 87.0 461.8
EXACT CORP AUTH 94 0.3% 32 34.0% 7 170.1 334.9
SUBJECT 1,998 5.3% 1,277 63.9% 17 338.9 1435.7
EXACT SUBJECT 159 0.4% 44 27.7% 9 329.7 1725.8
SERIES 49 0.1% 42 85.7% 9 162.6 268.1
EXACT SERIES 5 0.0% 3 60.0% 10 9.5 12.0
CODEN 24 0.1% 6 25.0% 1 1.2 0.4
ISBN 2,903 7.8% 2,903 100% 0 0.0 0.0
LCCN 317 0.8% 307 96.8% 1 1.1 0.3
ISSN 3,725 10.0% 234 6.3% 1 1.6 1.0
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 53 0.1% 53 100% 0 0.0 0.0
GOV'T DOC NUM 5 0.0% 4 80.0% 2 2.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 2,602 7.0% 599 23.0% 2 44.8 348.5
RPE 31 0.1% 19 61.3% 6 81.8 180.4
RXPE 13 0.0% 11 84.6% 22 22.0 9.9
Other indexes 23 0.1% 18 78.3% 304 549.0 857.0
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 4,329 13.1% 2,253 52.0% 2 44.6 343.5
Single 28,657 86.9% 11,825 41.3% 2 154.7 1462.9
PRESENT commands, by type:
MARC 29.3%
OPAC 18.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)