1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#! /bin/sh
. ../testlib.sh
title "Merge several shards into one database"
part_list="part1 part2"
qn_list='qn1 qn2'
full_list="full"
all_list="$part_list $qn_list $full_list"
kdb_list="`echo $all_list|sed 's/ /,/g'`"
for db in $all_list; do
cleardb $db
done
clearlogs
msg "Create configs for pgqd and londiste processes"
# create ticker conf
cat > conf/pgqd.ini << EOF
[pgqd]
database_list = $kdb_list
logfile = log/pgqd.log
pidfile = pid/pgqd.pid
EOF
# partition replicas
for n in 1 2; do
# londiste on part node
cat > conf/londiste_part$n.ini << EOF
[londiste3]
job_name = londiste_part$n
db = dbname=part$n
queue_name = replika_part$n
logfile = log/%(job_name)s.log
pidfile = pid/%(job_name)s.pid
EOF
cat > conf/londiste_part${n}_qn$n.ini << EOF
[londiste3]
job_name = londiste_qn$n
db = dbname=qn$n
queue_name = replika_part$n
logfile = log/%(job_name)s.log
pidfile = pid/%(job_name)s.pid
EOF
cat > conf/londiste_qn${n}_full.ini << EOF
[londiste3]
job_name = londiste_qn${n}_full
db = dbname=full
queue_name = replika_part$n
logfile = log/%(job_name)s.log
pidfile = pid/%(job_name)s.pid
EOF
done
for f in conf/*.ini; do
echo "$f"
echo "------------------"
cat "$f"
echo "------------------"
echo
done
set -e
msg "Create both cascades root (shard) -> branch (qnode) -> leaf (merge). Also installs pgq and londiste into db modules"
for n in 1 2; do
run londiste3 $v conf/londiste_part${n}.ini create-root part${n}_root "dbname=part${n}"
run londiste3 $v conf/londiste_qn${n}.ini \
create-branch qn${n} "dbname=qn${n}" --provider="dbname=part${n}"
run londiste3 $v conf/londiste_qn${n}_full.ini \
create-leaf merge_qn${n}_full "dbname=full" --provider="dbname=qn${n}"
done
msg "Optimize pgq for testing to handle empty ticks faster"
for db in $all_list; do
run_sql $db "update pgq.queue set queue_ticker_idle_period='3 secs'"
done
msg "Launch ticker"
run pgqd $v -d conf/pgqd.ini
msg "Launch workers"
for n in 1 2; do
run londiste3 $v -d conf/londiste_part${n}.ini worker
run londiste3 $v -d conf/londiste_qn${n}.ini worker
run londiste3 $v -d conf/londiste_qn${n}_full.ini worker
done
msg "Create table in partition nodes and in target database"
for db in $part_list; do
run_sql "$db" "create table mydata (id int4 primary key, data text)"
done
run_sql full "create table mydata (id int4 primary key, data text)"
msg "Register table in partition nodes"
for db in $part_list; do
run londiste3 $v conf/londiste_$db.ini add-table mydata
done
msg "Wait for cascade sync (root->leaf). Leaf must know that we have this table in root"
for src in $qn_list; do
run londiste3 $v conf/londiste_${src}_full.ini wait-root
done
msg "Add table into merge node"
run londiste3 -q conf/londiste_qn1_full.ini add-table public.mydata --find-copy-node --merge-all
msg "Insert few rows"
for n in 1 2; do
run_sql part$n "insert into mydata values ($n, 'part$n')"
run_sql part$n "insert into mydata values (2 + $n, 'part$n')"
done
msg "Wait for replica to cach up"
for src in $qn_list; do
run londiste3 $v conf/londiste_${src}_full.ini wait-sync
done
msg "Now check if data apprered"
run_sql full "select * from mydata order by id"
run_sql full "select table_name, local, merge_state, table_attrs, dest_table from londiste.get_table_list('replika_part1')"
run_sql full "select table_name, local, merge_state, table_attrs, dest_table from londiste.get_table_list('replika_part2')"
../zcheck.sh
msg "Test EXECUTE through cascade"
for n in 1 2; do
run londiste3 $v conf/londiste_part$n.ini execute addcol-data2.sql
# do one by one to avoid deadlock on merge side when several ddl's are received simultaneously
run londiste3 $v conf/londiste_qn${n}_full.ini wait-root
done
msg "Insert more rows with more columns"
for n in 1 2; do
run_sql part$n "insert into mydata values (4 + $n, 'part$n', 'x')"
done
msg "Wait for cascade sync (root->leaf)"
for src in $qn_list; do
run londiste3 $v conf/londiste_${src}_full.ini wait-root
done
psql -d part1 -c 'select * from mydata order by 1;'
psql -d part2 -c 'select * from mydata order by 1;'
psql -d full -c 'select * from mydata order by 1;'
../zcheck.sh
|
