MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,854 22,590
2-4 a.m. 1,162 14,144
4-6 a.m. 586 7,437
6-8 a.m. 1,151 19,328
8-10 a.m. 3,317 70,370
10-12 a.m. 6,958 122,604
12-2 p.m. 7,200 124,952
2-4 p.m. 7,979 136,478
4-6 p.m. 6,386 103,227
6-8 p.m. 2,816 47,770
8-10 p.m. 1,607 25,087
10-12 p.m. 1,236 22,330
__________ _____________ _________________
Total: 42,252 716,317
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 870
Davis 1,986
Irvine 181
Los Angeles 310
Riverside 378
San Diego 650
San Francisco 142
Santa Barbara 510
Santa Cruz 741
Lawrence Berkeley 118
Lawrence Livermore 199
Los Alamos 0
MELWEB 26,727
Searchlight 7,916
Other - UC 653
Other-Network UC 871
_____
42,252
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,033
Davis 21,216
Irvine 4,070
Los Angeles 3,367
Riverside 4,737
San Diego 10,503
San Francisco 1,389
Santa Barbara 7,109
Santa Cruz 4,868
Lawrence Berkeley 1,642
Lawrence Livermore 4,327
Los Alamos 0
MELWEB 551,053
Searchlight 69,735
Other - UC 10,531
Other-Network UC 9,737
_____
716,317
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 1.8
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:42
Average session length (minutes:seconds) 16:26
Longest session recorded (minutes:seconds) 212:58
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 505.3
Retrievals per search - standard deviation 6225.9
Percent of searches completed with 0 results 25.6%
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 42,252 16.1%
PRESENT 202,281 76.9%
INIT or CLOSE 18,314 7.0%
OTHER 298 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 20,883 36.7% 4,242 20.3% 13 246.5 4410.3
TITLE WORD 21,172 37.2% 6,096 28.8% 8 559.6 5641.4
EXACT TITLE 554 1.0% 248 44.8% 1 160.7 981.4
JOURNAL 3,503 6.2% 1,345 38.4% 9 2671.2 21351.1
EXACT JOURNAL 1,751 3.1% 579 33.1% 205 3295.7 9902.3
DATE 1,974 3.5% 362 18.3% 6 116.6 1352.1
ADDED SINCE 3,713 6.5% 2,697 72.6% 3 13.8 41.3
SUBFILE 362 0.6% 138 38.1% 23 312.6 1707.0
LANGUAGE 507 0.9% 115 22.7% 20 495.3 3722.1
SUBJECT CATEGORY 268 0.5% 84 31.3% 10 168.5 877.5
PUB TYPE 361 0.6% 70 19.4% 22 287.9 1747.7
ISN 2 0.0% 1 50.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,826 3.2% 499 27.3% 20 737.4 4828.2
Other indexes 21 0.0% 18 85.7% 3 3.3 0.6
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 12,507 29.6% 4,907 39.2% 4 280.9 6515.8
Single 29,745 70.4% 5,923 19.9% 21 806.6 7415.2
PRESENT commands, by type:
MARC 61.8%
OPAC 24.5%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we