MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/99 through 12/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,439 46,402
2-4 a.m. 1,146 30,053
4-6 a.m. 217 13,398
6-8 a.m. 1,101 31,328
8-10 a.m. 2,742 76,757
10-12 a.m. 5,557 137,051
12-2 p.m. 6,314 155,906
2-4 p.m. 7,947 182,949
4-6 p.m. 6,108 147,566
6-8 p.m. 2,850 81,041
8-10 p.m. 1,624 51,285
10-12 p.m. 1,135 33,505
__________ _____________ _________________
Total: 39,180 987,241
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 458
Davis 488
Irvine 190
Los Angeles 912
Riverside 68
San Diego 1,568
San Francisco 208
Santa Barbara 272
Santa Cruz 356
Lawrence Berkeley 116
Lawrence Livermore 117
Los Alamos 0
MELWEB 33,054
Other - UC 446
Other-Network UC 927
_____
39,180
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4,762
Davis 8,583
Irvine 3,548
Los Angeles 11,042
Riverside 1,952
San Diego 7,348
San Francisco 1,368
Santa Barbara 3,214
Santa Cruz 1,560
Lawrence Berkeley 1,191
Lawrence Livermore 1,493
Los Alamos 0
MELWEB 922,257
Other - UC 8,694
Other-Network UC 10,229
_____
987,241
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 1.1
Standard deviation in seconds 10.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.5
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 21:11
Average session length (minutes:seconds) 18:18
Longest session recorded (minutes:seconds) 186:28
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 559.2
Retrievals per search - standard deviation 5237.0
Percent of searches completed with 0 results 24.1%
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 39,180 14.0%
PRESENT 226,220 81.0%
INIT or CLOSE 13,539 4.8%
OTHER 223 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 18,153 34.1% 3,699 20.4% 15 189.1 1569.7
TITLE WORD 19,010 35.7% 4,871 25.6% 16 664.0 4344.0
EXACT TITLE 554 1.0% 305 55.1% 1 26.1 142.5
JOURNAL 3,902 7.3% 1,568 40.2% 15 2660.5 17217.0
EXACT JOURNAL 1,705 3.2% 543 31.8% 478 3418.7 7923.8
DATE 1,633 3.1% 362 22.2% 8 96.7 368.9
ADDED SINCE 2,743 5.1% 1,980 72.2% 2 11.0 24.6
SUBFILE 312 0.6% 131 42.0% 24 621.8 3935.3
LANGUAGE 1,006 1.9% 287 28.5% 21 581.3 4460.3
SUBJECT CATEGORY 566 1.1% 221 39.0% 13 149.4 550.5
PUB TYPE 343 0.6% 79 23.0% 25 426.0 1666.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,312 6.2% 897 27.1% 25 939.8 4410.3
Other indexes 40 0.1% 35 87.5% 4 94.8 203.6
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 11,115 28.4% 4,293 38.6% 8 421.6 3003.1
Single 28,065 71.6% 5,155 18.4% 24 830.7 6634.0
PRESENT commands, by type:
MARC 46.7%
OPAC 39.6%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we