83 lines
2.8 KiB
Tcl
83 lines
2.8 KiB
Tcl
# Issue 3899 regression test.
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# We create a chain of three instances: master -> slave -> slave2
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# and continuously break the link while traffic is generated by
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# redis-benchmark. At the end we check that the data is the same
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# everywhere.
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start_server {tags {"psync2"}} {
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start_server {} {
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start_server {} {
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# Config
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set debug_msg 0 ; # Enable additional debug messages
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set no_exit 0 ; # Do not exit at end of the test
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set duration 20 ; # Total test seconds
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for {set j 0} {$j < 3} {incr j} {
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set R($j) [srv [expr 0-$j] client]
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set R_host($j) [srv [expr 0-$j] host]
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set R_port($j) [srv [expr 0-$j] port]
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set R_unixsocket($j) [srv [expr 0-$j] unixsocket]
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if {$debug_msg} {puts "Log file: [srv [expr 0-$j] stdout]"}
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}
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# Setup the replication and backlog parameters
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test "PSYNC2 #3899 regression: setup" {
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$R(1) slaveof $R_host(0) $R_port(0)
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$R(2) slaveof $R_host(0) $R_port(0)
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$R(0) set foo bar
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wait_for_condition 50 1000 {
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[status $R(1) master_link_status] == "up" &&
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[status $R(2) master_link_status] == "up" &&
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[$R(1) dbsize] == 1 &&
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[$R(2) dbsize] == 1
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} else {
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fail "Replicas not replicating from master"
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}
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$R(0) config set repl-backlog-size 10mb
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$R(1) config set repl-backlog-size 10mb
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}
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set cycle_start_time [clock milliseconds]
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set bench_pid [exec src/redis-benchmark -s $R_unixsocket(0) -n 10000000 -r 1000 incr __rand_int__ > /dev/null &]
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while 1 {
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set elapsed [expr {[clock milliseconds]-$cycle_start_time}]
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if {$elapsed > $duration*1000} break
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if {rand() < .05} {
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test "PSYNC2 #3899 regression: kill first replica" {
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$R(1) client kill type master
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}
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}
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if {rand() < .05} {
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test "PSYNC2 #3899 regression: kill chained replica" {
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$R(2) client kill type master
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}
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}
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after 100
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}
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exec kill -9 $bench_pid
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if {$debug_msg} {
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for {set j 0} {$j < 100} {incr j} {
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if {
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[$R(0) debug digest] == [$R(1) debug digest] &&
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[$R(1) debug digest] == [$R(2) debug digest]
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} break
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puts [$R(0) debug digest]
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puts [$R(1) debug digest]
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puts [$R(2) debug digest]
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after 1000
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}
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}
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test "PSYNC2 #3899 regression: verify consistency" {
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wait_for_condition 50 1000 {
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([$R(0) debug digest] eq [$R(1) debug digest]) &&
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([$R(1) debug digest] eq [$R(2) debug digest])
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} else {
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fail "The three instances have different data sets"
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}
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}
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}}}
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