MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/10/01 through 02/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,529 27,071
2-4 a.m. 666 10,996
4-6 a.m. 690 6,447
6-8 a.m. 1,507 15,649
8-10 a.m. 3,773 74,519
10-12 a.m. 7,009 165,207
12-2 p.m. 8,044 176,451
2-4 p.m. 9,185 175,852
4-6 p.m. 7,420 143,911
6-8 p.m. 3,993 77,467
8-10 p.m. 2,941 55,717
10-12 p.m. 2,181 36,974
__________ _____________ _________________
Total: 48,938 966,261
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 58
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 36,496
Searchlight 3,383
Other - UC 407
Other-Network UC 8,594
_____
48,938
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 80
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 951,261
Searchlight 0
Other - UC 4,281
Other-Network UC 10,639
_____
966,261
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 2.2
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) 20:17
Average session length (minutes:seconds) 16:47
Longest session recorded (minutes:seconds) 161:11
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 80.8
Retrievals per search - standard deviation 1103.4
Percent of searches completed with 0 results 39.3%
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 48,938 18.7%
PRESENT 185,081 70.9%
INIT or CLOSE 27,007 10.3%
OTHER 106 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 TITLE22,361 38.8% 8,015 35.8% 5 180.0 1733.3
EXACT PE TITLE 11,022 19.1% 2,537 23.0% 2 47.3 1000.1
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 1,170 2.0% 1,073 91.7% 2 28.0 115.4
CORP AUTHOR 1,969 3.4% 1,683 85.5% 7 165.4 686.6
EXACT CORP AUTH 109 0.2% 35 32.1% 7 138.5 308.2
SUBJECT 5,328 9.3% 3,250 61.0% 13 419.6 1858.3
EXACT SUBJECT 442 0.8% 141 31.9% 6 178.8 939.3
SERIES 37 0.1% 33 89.2% 7 6.5 4.8
EXACT SERIES 9 0.0% 2 22.2% 16 95.6 121.8
CODEN 20 0.0% 7 35.0% 1 1.1 0.3
ISBN 2,983 5.2% 2,983 100% 0 0.0 0.0
LCCN 399 0.7% 371 93.0% 1 1.2 0.5
ISSN 4,512 7.8% 394 8.7% 1 1.7 1.1
INDEXED BY 9 0.0% 9 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 62 0.1% 57 91.9% 1 1.0 0.0
GOV'T DOC NUM 9 0.0% 9 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,984 12.1% 1,903 27.2% 2 41.5 304.0
RPE 100 0.2% 72 72.0% 8 77.2 204.7
RXPE 30 0.1% 23 76.7% 70 108.6 129.4
Other indexes 41 0.1% 32 78.0% 25 843.8 1001.7
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 8,471 17.3% 3,233 38.2% 2 46.2 341.7
Single 40,467 82.7% 16,003 39.5% 3 151.8 1549.3
PRESENT commands, by type:
MARC 29.0%
OPAC 20.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)