MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/01 through 05/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,821 37,717
2-4 a.m. 2,524 24,066
4-6 a.m. 746 8,982
6-8 a.m. 1,799 20,259
8-10 a.m. 5,674 101,576
10-12 a.m. 11,527 195,064
12-2 p.m. 11,645 197,829
2-4 p.m. 14,817 252,394
4-6 p.m. 11,476 185,659
6-8 p.m. 5,516 82,166
8-10 p.m. 3,939 54,881
10-12 p.m. 2,686 42,074
__________ _____________ _________________
Total: 75,170 1,202,667
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,205
Davis 1,268
Irvine 536
Los Angeles 835
Riverside 275
San Diego 979
San Francisco 652
Santa Barbara 844
Santa Cruz 482
Lawrence Berkeley 240
Lawrence Livermore 268
Los Alamos 0
MELWEB 47,827
Searchlight 17,530
Other - UC 616
Other-Network UC 1,613
_____
75,170
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,508
Davis 16,428
Irvine 8,909
Los Angeles 10,208
Riverside 3,401
San Diego 9,704
San Francisco 4,761
Santa Barbara 17,930
Santa Cruz 6,883
Lawrence Berkeley 4,578
Lawrence Livermore 3,862
Los Alamos 0
MELWEB 1,007,350
Searchlight 68,342
Other - UC 9,044
Other-Network UC 18,759
_____
1,202,667
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 5.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:10
Average session length (minutes:seconds) 14:20
Longest session recorded (minutes:seconds) 217:15
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 552.1
Retrievals per search - standard deviation 6780.9
Percent of searches completed with 0 results 27.3%
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 75,170 18.0%
PRESENT 307,378 73.5%
INIT or CLOSE 34,734 8.3%
OTHER 769 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 29,748 29.5% 5,757 19.4% 14 271.9 5173.7
TITLE WORD 43,485 43.2% 13,202 30.4% 10 598.2 5665.8
EXACT TITLE 808 0.8% 465 57.5% 1 47.0 232.1
JOURNAL 6,248 6.2% 2,712 43.4% 10 3456.7 25955.3
EXACT JOURNAL 3,169 3.1% 1,353 42.7% 547 3895.8 9707.0
DATE 3,688 3.7% 633 17.2% 5 614.9 15040.9
ADDED SINCE 5,050 5.0% 3,785 74.9% 4 11.4 23.9
SUBFILE 569 0.6% 201 35.3% 21 572.5 2398.1
LANGUAGE 1,324 1.3% 350 26.4% 20 357.5 3248.7
SUBJECT CATEGORY 778 0.8% 273 35.1% 11 155.7 1064.3
PUB TYPE 757 0.8% 162 21.4% 19 571.8 9519.8
ISN 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,986 5.0% 1,356 27.2% 23 900.1 5371.3
Other indexes 89 0.1% 75 84.3% 160 634.6 759.3
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 20,646 27.5% 7,849 38.0% 6 480.0 8276.9
Single 54,524 72.5% 12,697 23.3% 19 845.3 7838.3
PRESENT commands, by type:
MARC 59.2%
OPAC 25.9%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we