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Overview
| Comment: | Improvements to the fossil-stress.tcl script to automaticall restart stalled request threads. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1fae64de38a02e955e01b018b2432153 |
| User & Date: | drh 2017-12-28 17:20:14 |
Context
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2017-12-28
| ||
| 20:37 | Improvements to "fossil server" performance on Windows. (check-in: 47ade67e user: drh tags: trunk) | |
| 17:20 | Improvements to the fossil-stress.tcl script to automaticall restart stalled request threads. (check-in: 1fae64de user: drh tags: trunk) | |
| 17:16 | In the Win32 server code, prevent fclose() from being called on an already closed FILE. (check-in: 8d60cd57 user: mistachkin tags: trunk) | |
Changes
Changes to tools/fossil-stress.tcl.
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if {![info exists url]} {
error "Usage: $argv0 [-threads N] URL"
}
if {![regexp {^https?://([^/:]+)(:\d+)?(/.*)$} $url all domain port path]} {
error "could not parse the URL [list $url] -- should be of the\
form \"http://domain/path\""
}
set useragent {Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0}
set path [string trimright $path /]
set port [string trimleft $port :]
if {$port==""} {set port 80}
proc send_one_request {tid domain port path} {
while {[catch {
set x [socket $domain $port]
fconfigure $x -translation binary
puts $x "GET $path HTTP/1.0\r"
if {$port==80} {
puts $x "Host: $domain\r"
} else {
puts $x "Host: $domain:$port\r"
}
puts $x "User-Agent: $::useragent\r"
puts $x "Accept: text/html,q=0.9,*/*;q=0.8\r"
puts $x "Accept-Language: en-US,en;q=0.5\r"
puts $x "Connection: close\r"
puts $x "\r"
flush $x
} msg]} {
puts "ERROR: $msg"
after 1000
}
global cnt
set cnt($x) 0
fconfigure $x -blocking 0
fileevent $x readable [list get_reply $tid $path $x]
}
proc get_reply {tid info x} {
global cnt
if {[eof $x]} {
puts "[format %3d: $tid] $info ($cnt($x) bytes)"
flush stdout
close $x
unset cnt($x)
start_another_request $tid
} else {
incr cnt($x) [string length [read $x]]
}
}
set pages {
................................................................................
global pages pageidx domain port path
set p [lindex $pages $pageidx]
incr pageidx
if {$pageidx>=[llength $pages]} {set pageidx 0}
send_one_request $tid $domain $port $path$p
}
for {set i 1} {$i<=$nthread} {incr i} {
start_another_request $i
}
vwait forever
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if {![info exists url]} {
error "Usage: $argv0 [-threads N] URL"
}
if {![regexp {^https?://([^/:]+)(:\d+)?(/.*)$} $url all domain port path]} {
error "could not parse the URL [list $url] -- should be of the\
form \"http://domain/path\""
}
set useragent {Mozilla/5.0 (fossil-stress.tcl) Gecko/20100101 Firefox/57.0}
set path [string trimright $path /]
set port [string trimleft $port :]
if {$port==""} {set port 80}
proc send_one_request {tid domain port path} {
while {[catch {
set x [socket $domain $port]
fconfigure $x -translation binary -blocking 0
puts $x "GET $path HTTP/1.0\r"
if {$port==80} {
puts $x "Host: $domain\r"
} else {
puts $x "Host: $domain:$port\r"
}
puts $x "User-Agent: $::useragent\r"
puts $x "Accept: text/html,q=0.9,*/*;q=0.8\r"
puts $x "Accept-Language: en-US,en;q=0.5\r"
puts $x "Connection: close\r"
puts $x "\r"
} msg]} {
puts "ERROR: $msg"
after 1000
}
global cnt stime threadid
set cnt($x) 0
set stime($x) [clock seconds]
set threadid($x) $tid
flush $x
fileevent $x readable [list get_reply $tid $path $x]
}
proc close_connection {x} {
global cnt stime tid
close $x
unset -nocomplain cnt($x)
unset -nocomplain stime($x)
unset -nocomplain threadid($x)
}
proc get_reply {tid info x} {
global cnt
if {[eof $x]} {
puts "[format %3d: $tid] $info ($cnt($x) bytes)"
flush stdout
close_connection $x
start_another_request $tid
} else {
incr cnt($x) [string length [read $x]]
}
}
set pages {
................................................................................
global pages pageidx domain port path
set p [lindex $pages $pageidx]
incr pageidx
if {$pageidx>=[llength $pages]} {set pageidx 0}
send_one_request $tid $domain $port $path$p
}
proc unhang_stalled_threads {} {
global stime threadid
set now [clock seconds]
# puts "checking for stalled threads...."
foreach x [array names stime] {
# puts -nonewline " $threadid($x)=[expr {$now-$stime($x)}]"
if {$stime($x)+0<$now-10} {
set t $threadid($x)
puts "RESTART thread $t"
flush stdout
close_connection $x
start_another_request $t
}
}
# puts ""
flush stdout
after 10000 unhang_stalled_threads
}
unhang_stalled_threads
for {set i 1} {$i<=$nthread} {incr i} {
start_another_request $i
}
vwait forever
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