MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 05/18/02 through 05/24/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6,760 85,375
2-4 a.m. 4,439 56,158
4-6 a.m. 4,359 37,058
6-8 a.m. 7,709 77,935
8-10 a.m. 13,469 261,120
10-12 a.m. 22,258 564,832
12-2 p.m. 23,722 680,983
2-4 p.m. 22,826 728,596
4-6 p.m. 18,234 570,072
6-8 p.m. 11,650 367,799
8-10 p.m. 8,804 255,025
10-12 p.m. 8,229 200,172
__________ _____________ _________________
Total: 152,459 3,885,125
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 295
Davis 317
Irvine 31
Los Angeles 106
Riverside 10
San Diego 199
San Francisco 14
Santa Barbara 72
Santa Cruz 175
Lawrence Berkeley 8
Lawrence Livermore 56
Los Alamos 0
MELWEB 101,924
Searchlight 3,568
Other - UC 519
Other-Network UC 45,165
_____
152,459
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,308
Davis 3,701
Irvine 242
Los Angeles 1,096
Riverside 134
San Diego 2,551
San Francisco 267
Santa Barbara 1,581
Santa Cruz 2,423
Lawrence Berkeley 123
Lawrence Livermore 312
Los Alamos 0
MELWEB 3,517,261
Searchlight 371
Other - UC 5,824
Other-Network UC 346,931
_____
3,885,125
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 8.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.3
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:18
Average session length (minutes:seconds) 15:53
Longest session recorded (minutes:seconds) 372:00
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 85.5
Retrievals per search - standard deviation 1344.5
Percent of searches completed with 0 results 39.2%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 152,459 17.6%
PRESENT 647,306 74.7%
INIT or CLOSE 65,591 7.6%
OTHER 1,089 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 34,191 15.5% 10,906 31.9% 6 66.9 496.7
CORPORATE AUTHOR 924 0.4% 424 45.9% 9 287.0 2198.6
EXACT CORP. AUT. 203 0.1% 34 16.7% 19 1054.7 3583.9
TITLE WORD 58,735 26.7% 21,309 36.3% 3 47.7 364.1
EXACT TITLE 11,607 5.3% 5,302 45.7% 2 39.1 645.4
SUBJECT 34,817 15.8% 17,803 51.1% 25 433.5 2642.7
EXACT SUBJECT 3,651 1.7% 716 19.6% 17 218.3 1032.3
UNIFORM TITLE 72 0.0% 15 20.8% 2 277.3 1835.8
SERIES 724 0.3% 184 25.4% 14 113.6 356.8
DATE 3,060 1.4% 986 32.2% 6 248.8 7129.5
ADDED SINCE 1,083 0.5% 1,050 96.9% 2 209.4 1060.8
LANGUAGE 9,329 4.2% 3,847 41.2% 34 546.6 3734.1
LCCN 1,236 0.6% 273 22.1% 1 1.2 0.7
ISBN 16,589 7.5% 7,890 47.6% 1 1.2 13.6
ISSN 350 0.2% 317 90.6% 1 11.0 16.8
DLA ID 141 0.1% 1 0.7% 1 1.0 0.0
MUSIC PUBLISHER 43 0.0% 29 67.4% 6 8.9 8.4
GOV'T DOC NUM 35 0.0% 11 31.4% 1 1.2 0.5
REPORT NUM 8 0.0% 7 87.5% 1 1.0 0.0
STOCK NUM 4 0.0% 1 25.0% 1 1.3 0.6
GPO ITEM NUM 13 0.0% 10 76.9% 113 3738.7 6330.1
FORM 3,489 1.6% 1,113 31.9% 10 135.6 622.2
MUSIC KEY 0 0.0% 0 0.0% 0 0.0 0.0
GEO CLASS 1 0.0% 1 100% 0 0.0 0.0
THEMATIC NUMBER 18 0.0% 14 77.8% 25 25.0 20.1
SCALE 5 0.0% 0 0.0% 3 4.2 3.3
AT 30,363 13.8% 12,970 42.7% 11 183.4 927.2
Other indexes 9,226 4.2% 3,068 33.3% 5 121.4 2138.8
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 52,752 34.6% 21,835 41.4% 5 169.5 1674.1
Single 99,707 65.4% 37,937 38.0% 4 126.3 1745.4
PRESENT commands, by type:
MARC 33.3%
OPAC 54.3%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)