MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/14/01 through 04/20/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,698 17,144
2-4 a.m. 829 8,752
4-6 a.m. 936 9,650
6-8 a.m. 1,600 12,049
8-10 a.m. 3,799 69,489
10-12 a.m. 7,333 144,990
12-2 p.m. 7,441 145,529
2-4 p.m. 8,464 175,038
4-6 p.m. 6,670 135,040
6-8 p.m. 3,941 52,793
8-10 p.m. 3,232 51,548
10-12 p.m. 2,410 33,179
__________ _____________ _________________
Total: 48,353 855,201
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 83
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 35,046
Searchlight 3,333
Other - UC 504
Other-Network UC 9,385
_____
48,353
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 281
Los Angeles 9
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 837,551
Searchlight 0
Other - UC 4,132
Other-Network UC 13,228
_____
855,201
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 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:11
Average session length (minutes:seconds) 16:11
Longest session recorded (minutes:seconds) 249:01
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 76.1
Retrievals per search - standard deviation 1021.4
Percent of searches completed with 0 results 38.8%
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 48,353 19.5%
PRESENT 171,749 69.3%
INIT or CLOSE 27,707 11.2%
OTHER 82 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 TITLE22,453 40.5% 8,618 38.4% 5 187.7 1648.5
EXACT PE TITLE 10,965 19.8% 2,606 23.8% 2 50.9 1037.4
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 1,216 2.2% 1,111 91.4% 2 16.3 54.3
CORP AUTHOR 1,990 3.6% 1,664 83.6% 6 49.9 161.2
EXACT CORP AUTH 77 0.1% 19 24.7% 7 113.3 263.7
SUBJECT 4,507 8.1% 2,776 61.6% 12 325.4 1365.9
EXACT SUBJECT 381 0.7% 117 30.7% 8 277.2 1268.7
SERIES 49 0.1% 43 87.8% 2 5275.0 12754.2
EXACT SERIES 8 0.0% 1 12.5% 1 23.4 59.3
CODEN 30 0.1% 8 26.7% 1 1.1 0.3
ISBN 2,614 4.7% 2,610 99.8% 24 28.0 32.0
LCCN 71 0.1% 66 93.0% 1 1.2 0.4
ISSN 5,490 9.9% 465 8.5% 1 1.7 1.0
INDEXED BY 7 0.0% 6 85.7% 15 15.0 0.0
DLA ID 2 0.0% 1 50.0% 1 1.0 0.0
LOCAL NUM 70 0.1% 61 87.1% 1 12.8 23.4
GOV'T DOC NUM 10 0.0% 10 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 3 0.0% 2 66.7% 1 1.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 5,404 9.7% 1,515 28.0% 2 34.8 167.1
RPE 73 0.1% 57 78.1% 9 174.9 340.0
RXPE 21 0.0% 13 61.9% 6 10.3 12.3
Other indexes 40 0.1% 27 67.5% 272 1270.9 2309.0
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 6,953 14.4% 2,868 41.2% 2 48.1 588.0
Single 41,400 85.6% 15,905 38.4% 3 136.6 1384.0
PRESENT commands, by type:
MARC 30.6%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)