MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/02 through 01/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,802 54,722
2-4 a.m. 530 13,903
4-6 a.m. 279 5,677
6-8 a.m. 674 14,387
8-10 a.m. 5,052 133,662
10-12 a.m. 11,863 335,636
12-2 p.m. 15,133 451,742
2-4 p.m. 16,712 481,302
4-6 p.m. 12,656 385,561
6-8 p.m. 7,457 220,343
8-10 p.m. 5,606 170,158
10-12 p.m. 4,023 126,325
__________ _____________ _________________
Total: 81,787 2,393,418
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 27
Davis 87
Irvine 18
Los Angeles 170
Riverside 3
San Diego 218
San Francisco 15
Santa Barbara 91
Santa Cruz 18
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 74,009
Searchlight 5,589
Other - UC 1,189
Other-Network UC 353
_____
81,787
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 344
Davis 1,560
Irvine 47
Los Angeles 2,606
Riverside 3
San Diego 330
San Francisco 122
Santa Barbara 551
Santa Cruz 453
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,350,371
Searchlight 10,852
Other - UC 20,598
Other-Network UC 5,581
_____
2,393,418
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 4.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:57
Average session length (minutes:seconds) 22:28
Longest session recorded (minutes:seconds) 221:43
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1284.0
Retrievals per search - standard deviation 14009
Percent of searches completed with 0 results 23.1%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 81,787 14.3%
PRESENT 456,751 79.6%
INIT or CLOSE 34,104 5.9%
OTHER 828 0.1%
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 14,073 12.5% 4,034 28.7% 5 61.7 606.4
TITLE WORD 10,934 9.7% 3,462 31.7% 6 552.8 12918.3
EXACT TITLE 1,740 1.5% 1,143 65.7% 1 78.8 619.9
JOURNAL TITLE 7,004 6.2% 3,544 50.6% 11 3368.7 13568.0
EXACT JOURNAL 6,864 6.1% 1,278 18.6% 877 5595.9 12075.9
SUBJECT WORD 6,630 5.9% 2,765 41.7% 14 668.6 8382.8
EXACT SUBJECT 3,590 3.2% 601 16.7% 14 4037.1 58642.8
KEYWORD 41,327 36.6% 6,860 16.6% 31 1282.4 9140.9
DATE 2,452 2.2% 627 25.6% 18 244.1 1160.0
ADDED SINCE 446 0.4% 335 75.1% 2 77.8 561.3
PUB TYPE 804 0.7% 278 34.6% 21 136.3 615.4
SUBFILE 819 0.7% 189 23.1% 38 267.7 945.1
ID 31 0.0% 2 6.5% 1 1.0 0.0
ISSN 35 0.0% 21 60.0% 946 1260.6 1194.5
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 17 0.0% 5 29.4% 15 58.5 92.7
ARTICLE 1,463 1.3% 291 19.9% 39 532.6 2072.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 14,339 12.7% 3,127 21.8% 36 1265.0 8538.8
Other indexes 188 0.2% 122 64.9% 14 870.0 1878.8
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 25,261 30.9% 7,364 29.1% 16 931.8 7821.1
Single 56,526 69.1% 11,541 20.4% 27 1963.7 18200.7
PRESENT commands, by type:
MARC 45.4%
OPAC 32.8%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (