MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/00 through 03/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,445 157,149
2-4 a.m. 1,553 61,158
4-6 a.m. 525 17,779
6-8 a.m. 892 23,434
8-10 a.m. 6,966 212,334
10-12 a.m. 18,707 616,469
12-2 p.m. 26,524 897,361
2-4 p.m. 30,223 1,089,747
4-6 p.m. 24,152 874,404
6-8 p.m. 15,545 600,112
8-10 p.m. 14,107 543,211
10-12 p.m. 9,063 376,808
__________ _____________ _________________
Total: 152,702 5,469,966
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 118
Davis 193
Irvine 40
Los Angeles 107
Riverside 0
San Diego 1,338
San Francisco 9
Santa Barbara 20
Santa Cruz 4
Lawrence Berkeley 7
Lawrence Livermore 0
Los Alamos 1
MELWEB 146,909
Searchlight 969
Other - UC 2,880
Other-Network UC 107
_____
152,702
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,791
Davis 2,814
Irvine 815
Los Angeles 442
Riverside 0
San Diego 10
San Francisco 31
Santa Barbara 281
Santa Cruz 32
Lawrence Berkeley 133
Lawrence Livermore 0
Los Alamos 10
MELWEB 5,371,945
Searchlight 23,232
Other - UC 64,642
Other-Network UC 1,788
_____
5,469,966
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 7.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.3
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 23:14
Average session length (minutes:seconds) 24:59
Longest session recorded (minutes:seconds) 274:56
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1013.6
Retrievals per search - standard deviation 17389
Percent of searches completed with 0 results 24.1%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 152,702 12.2%
PRESENT 1,040,116 83.4%
INIT or CLOSE 51,954 4.2%
OTHER 2,141 0.2%
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:
PERSONAL AUTHOR 19,940 9.3% 6,420 32.2% 6 79.4 1309.5
TITLE WORD 16,100 7.5% 5,785 35.9% 5 275.4 2712.1
EXACT TITLE 2,635 1.2% 1,767 67.1% 1 78.2 544.0
JOURNAL TITLE 11,989 5.6% 6,327 52.8% 12 2815.0 17532.7
EXACT JOURNAL 7,404 3.5% 1,857 25.1% 588 4775.6 10988.7
SUBJECT WORD 18,530 8.6% 8,187 44.2% 13 683.1 16686.4
EXACT SUBJECT 8,854 4.1% 1,902 21.5% 12 5373.3 61772.9
KEYWORD 87,169 40.7% 14,648 16.8% 23 901.7 13928.1
DATE 4,529 2.1% 1,236 27.3% 15 142.6 627.8
ADDED SINCE 648 0.3% 393 60.6% 4 424.5 5766.0
PUB TYPE 1,249 0.6% 549 44.0% 12 139.5 882.4
SUBFILE 1,186 0.6% 376 31.7% 26 180.1 871.2
ID 227 0.1% 2 0.9% 1 1.0 0.1
ISSN 35 0.0% 27 77.1% 1,419 7302.6 10586.9
SIC 3 0.0% 2 66.7% 715 715.0 0.0
ILLUS 50 0.0% 22 44.0% 27 714.3 3400.6
ARTICLE 6,113 2.9% 783 12.8% 83 1547.5 4606.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 27,524 12.8% 7,057 25.6% 26 767.5 4901.2
Other indexes 178 0.1% 122 68.5% 89 1657.0 3616.7
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 49,368 32.3% 15,126 30.6% 19 746.3 4550.0
Single 103,334 67.7% 21,604 20.9% 18 1581.1 23567.7
PRESENT commands, by type:
MARC 45.4%
OPAC 32.0%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (