MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/23/02 through 03/01/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,328 30,207
2-4 a.m. 1,456 8,218
4-6 a.m. 1,303 9,028
6-8 a.m. 2,807 36,280
8-10 a.m. 5,962 94,615
10-12 a.m. 11,326 198,516
12-2 p.m. 11,838 193,969
2-4 p.m. 13,161 236,040
4-6 p.m. 10,345 165,561
6-8 p.m. 6,337 101,109
8-10 p.m. 4,193 76,541
10-12 p.m. 3,861 53,624
__________ _____________ _________________
Total: 74,917 1,203,708
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 2
Irvine 55
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 56,590
Searchlight 2,494
Other - UC 492
Other-Network UC 15,281
_____
74,917
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 18
Davis 0
Irvine 73
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,161,319
Searchlight 0
Other - UC 3,258
Other-Network UC 39,040
_____
1,203,708
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 3.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:05
Average session length (minutes:seconds) 17:10
Longest session recorded (minutes:seconds) 184:10
Average number of searches completed per session 24972
Retrievals per search - median 1.0
Retrievals per search - average 65.1
Retrievals per search - standard deviation 1029.6
Percent of searches completed with 0 results 35.7%
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 74,917 19.8%
PRESENT 256,052 67.8%
INIT or CLOSE 46,477 12.3%
OTHER 93 0.0%
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:
PERIODICAL TITLE29,888 35.1% 11,318 37.9% 5 186.6 1854.1
EXACT PE TITLE 14,464 17.0% 3,179 22.0% 2 34.4 864.2
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,834 2.2% 1,697 92.5% 2 18.8 58.0
CORP AUTHOR 3,601 4.2% 3,156 87.6% 6 117.9 805.3
EXACT CORP AUTH 160 0.2% 72 45.0% 5 160.2 343.2
SUBJECT 6,529 7.7% 4,088 62.6% 13 319.9 1365.7
EXACT SUBJECT 520 0.6% 204 39.2% 9 376.9 1966.8
SERIES 85 0.1% 64 75.3% 2 34.7 119.8
EXACT SERIES 21 0.0% 7 33.3% 5 126.7 263.2
CODEN 22 0.0% 8 36.4% 1 1.2 0.4
ISBN 3,634 4.3% 3,630 99.9% 1 1.0 0.0
LCCN 597 0.7% 573 96.0% 1 1.4 0.7
ISSN 16,164 19.0% 1,088 6.7% 1 1.6 1.0
INDEXED BY 14 0.0% 10 71.4% 533 436.8 256.2
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 13 0.0% 10 76.9% 19 25.3 27.1
GOV'T DOC NUM 9 0.0% 9 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 2 0.0% 1 50.0% 1 1.0 0.0
GPO ITEM NUM 9 0.0% 6 66.7% 6 6.0 0.0
AT 7,420 8.7% 2,103 28.3% 2 39.1 284.9
RPE 93 0.1% 78 83.9% 8 84.5 232.1
RXPE 31 0.0% 29 93.5% 1 1.0 0.0
Other indexes 38 0.0% 25 65.8% 1,222 2961.9 5440.6
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 9,993 13.3% 4,438 44.4% 2 39.3 287.5
Single 64,924 86.7% 22,278 34.3% 2 109.3 1359.0
PRESENT commands, by type:
MARC 31.7%
OPAC 21.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)