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* [Tarantool-patches] [PATCH v1] replication: change space sync mode in a loop
@ 2020-08-26 15:10 sergeyb
  2020-08-27 11:27 ` Sergey Petrenko
  0 siblings, 1 reply; 6+ messages in thread
From: sergeyb @ 2020-08-26 15:10 UTC (permalink / raw)
  To: tarantool-patches, v.shpilevoy, sergepetrenko, gorcunov

From: Sergey Bronnikov <sergeyb@tarantool.org>

New regression tests covers cases when one can change synchronous mode
of space to asynchronous and vice versa.

Closes #5055
Part of #5144
---

Branch: ligurio/gh-4842-qsync-change-mode
CI: https://gitlab.com/tarantool/tarantool/-/pipelines/182271234

 test/replication/qsync_sync_mode.result   | 164 ++++++++++++++++++++++
 test/replication/qsync_sync_mode.test.lua |  90 ++++++++++++
 2 files changed, 254 insertions(+)
 create mode 100644 test/replication/qsync_sync_mode.result
 create mode 100644 test/replication/qsync_sync_mode.test.lua

diff --git a/test/replication/qsync_sync_mode.result b/test/replication/qsync_sync_mode.result
new file mode 100644
index 000000000..f2f95ec0f
--- /dev/null
+++ b/test/replication/qsync_sync_mode.result
@@ -0,0 +1,164 @@
+-- test-run result file version 2
+env = require('test_run')
+ | ---
+ | ...
+test_run = env.new()
+ | ---
+ | ...
+engine = test_run:get_cfg('engine')
+ | ---
+ | ...
+fiber = require('fiber')
+ | ---
+ | ...
+math = require('math')
+ | ---
+ | ...
+math.randomseed(os.time())
+ | ---
+ | ...
+
+orig_synchro_quorum = box.cfg.replication_synchro_quorum
+ | ---
+ | ...
+orig_synchro_timeout = box.cfg.replication_synchro_timeout
+ | ---
+ | ...
+
+disable_sync_mode = function()                                                 \
+    local s = box.space._space:get(box.space.sync.id)                          \
+    local new_s = s:update({{'=', 6, {is_sync=false}}})                        \
+    box.space._space:replace(new_s)                                            \
+end
+ | ---
+ | ...
+
+enable_sync_mode = function()                                                  \
+    local s = box.space._space:get(box.space.sync.id)                          \
+    local new_s = s:update({{'=', 6, {is_sync=true}}})                         \
+    box.space._space:replace(new_s)                                            \
+end
+ | ---
+ | ...
+
+set_random_sync_mode = function()                                              \
+    if (math.random(1, 10) > 5) then                                           \
+        enable_sync_mode()                                                     \
+    else                                                                       \
+        disable_sync_mode()                                                    \
+    end                                                                        \
+end
+ | ---
+ | ...
+
+set_random_quorum = function(n)                                                \
+    box.cfg{replication_synchro_quorum=math.random(1, n)}                      \
+end
+ | ---
+ | ...
+
+box.schema.user.grant('guest', 'replication')
+ | ---
+ | ...
+
+-- Setup an async cluster with two instances.
+test_run:cmd('create server replica with rpl_master=default,\
+                                         script="replication/replica.lua"')
+ | ---
+ | - true
+ | ...
+test_run:cmd('start server replica with wait=True, wait_load=True')
+ | ---
+ | - true
+ | ...
+
+-- Write data to a leader, enable and disable sync mode in background in a
+-- loop. Expected no data loss.
+-- Testcase setup.
+_ = box.schema.space.create('sync', {is_sync=true, engine=engine})
+ | ---
+ | ...
+_ = box.space.sync:create_index('pk')
+ | ---
+ | ...
+box.cfg{replication_synchro_quorum=2, replication_synchro_timeout=0.001}
+ | ---
+ | ...
+-- Testcase body.
+for i = 1,10 do                                                                \
+    set_random_sync_mode()                                                     \
+    if pcall(box.space.sync.insert, box.space.sync, {i}) then                  \
+        test_run:switch('replica')                                             \
+        test_run:wait_cond(function() return box.space.sync:get{i} ~= nil end) \
+    end                                                                        \
+    test_run:switch('default')                                                 \
+end
+ | ---
+ | ...
+-- Testcase cleanup.
+test_run:switch('default')
+ | ---
+ | - true
+ | ...
+box.space.sync:drop()
+ | ---
+ | ...
+
+-- Write data to a leader, enable and disable sync mode and change quorum value
+-- in background in a loop.
+-- Testcase setup.
+_ = box.schema.space.create('sync', {is_sync=true, engine=engine})
+ | ---
+ | ...
+_ = box.space.sync:create_index('pk')
+ | ---
+ | ...
+box.cfg{replication_synchro_quorum=2, replication_synchro_timeout=0.001}
+ | ---
+ | ...
+-- Testcase body.
+for i = 1,10 do                                                                \
+    set_random_sync_mode()                                                     \
+    set_random_quorum(5)                                                       \
+    if pcall(box.space.sync.insert, box.space.sync, {i}) then                  \
+        test_run:switch('replica')                                             \
+        test_run:wait_cond(function() return box.space.sync:get{i} ~= nil end) \
+    end                                                                        \
+    test_run:switch('default')                                                 \
+end
+ | ---
+ | ...
+-- Testcase cleanup.
+test_run:switch('default')
+ | ---
+ | - true
+ | ...
+box.space.sync:drop()
+ | ---
+ | ...
+
+-- Teardown.
+test_run:cmd('switch default')
+ | ---
+ | - true
+ | ...
+test_run:cmd('stop server replica')
+ | ---
+ | - true
+ | ...
+test_run:cmd('delete server replica')
+ | ---
+ | - true
+ | ...
+test_run:cleanup_cluster()
+ | ---
+ | ...
+box.schema.user.revoke('guest', 'replication')
+ | ---
+ | ...
+box.cfg{                                                                       \
+    replication_synchro_quorum = orig_synchro_quorum,                          \
+    replication_synchro_timeout = orig_synchro_timeout,                        \
+}
+ | ---
+ | ...
diff --git a/test/replication/qsync_sync_mode.test.lua b/test/replication/qsync_sync_mode.test.lua
new file mode 100644
index 000000000..706261c10
--- /dev/null
+++ b/test/replication/qsync_sync_mode.test.lua
@@ -0,0 +1,90 @@
+env = require('test_run')
+test_run = env.new()
+engine = test_run:get_cfg('engine')
+fiber = require('fiber')
+math = require('math')
+math.randomseed(os.time())
+
+orig_synchro_quorum = box.cfg.replication_synchro_quorum
+orig_synchro_timeout = box.cfg.replication_synchro_timeout
+
+disable_sync_mode = function()                                                 \
+    local s = box.space._space:get(box.space.sync.id)                          \
+    local new_s = s:update({{'=', 6, {is_sync=false}}})                        \
+    box.space._space:replace(new_s)                                            \
+end
+
+enable_sync_mode = function()                                                  \
+    local s = box.space._space:get(box.space.sync.id)                          \
+    local new_s = s:update({{'=', 6, {is_sync=true}}})                         \
+    box.space._space:replace(new_s)                                            \
+end
+
+set_random_sync_mode = function()                                              \
+    if (math.random(1, 10) > 5) then                                           \
+        enable_sync_mode()                                                     \
+    else                                                                       \
+        disable_sync_mode()                                                    \
+    end                                                                        \
+end
+
+set_random_quorum = function(n)                                                \
+    box.cfg{replication_synchro_quorum=math.random(1, n)}                      \
+end
+
+box.schema.user.grant('guest', 'replication')
+
+-- Setup an async cluster with two instances.
+test_run:cmd('create server replica with rpl_master=default,\
+                                         script="replication/replica.lua"')
+test_run:cmd('start server replica with wait=True, wait_load=True')
+
+-- Write data to a leader, enable and disable sync mode in background in a
+-- loop. Expected no data loss.
+-- Testcase setup.
+_ = box.schema.space.create('sync', {is_sync=true, engine=engine})
+_ = box.space.sync:create_index('pk')
+box.cfg{replication_synchro_quorum=2, replication_synchro_timeout=0.001}
+-- Testcase body.
+for i = 1,10 do                                                                \
+    set_random_sync_mode()                                                     \
+    if pcall(box.space.sync.insert, box.space.sync, {i}) then                  \
+        test_run:switch('replica')                                             \
+        test_run:wait_cond(function() return box.space.sync:get{i} ~= nil end) \
+    end                                                                        \
+    test_run:switch('default')                                                 \
+end
+-- Testcase cleanup.
+test_run:switch('default')
+box.space.sync:drop()
+
+-- Write data to a leader, enable and disable sync mode and change quorum value
+-- in background in a loop.
+-- Testcase setup.
+_ = box.schema.space.create('sync', {is_sync=true, engine=engine})
+_ = box.space.sync:create_index('pk')
+box.cfg{replication_synchro_quorum=2, replication_synchro_timeout=0.001}
+-- Testcase body.
+for i = 1,10 do                                                                \
+    set_random_sync_mode()                                                     \
+    set_random_quorum(5)                                                       \
+    if pcall(box.space.sync.insert, box.space.sync, {i}) then                  \
+        test_run:switch('replica')                                             \
+        test_run:wait_cond(function() return box.space.sync:get{i} ~= nil end) \
+    end                                                                        \
+    test_run:switch('default')                                                 \
+end
+-- Testcase cleanup.
+test_run:switch('default')
+box.space.sync:drop()
+
+-- Teardown.
+test_run:cmd('switch default')
+test_run:cmd('stop server replica')
+test_run:cmd('delete server replica')
+test_run:cleanup_cluster()
+box.schema.user.revoke('guest', 'replication')
+box.cfg{                                                                       \
+    replication_synchro_quorum = orig_synchro_quorum,                          \
+    replication_synchro_timeout = orig_synchro_timeout,                        \
+}
-- 
2.26.2

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-11-12  9:27 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-08-26 15:10 [Tarantool-patches] [PATCH v1] replication: change space sync mode in a loop sergeyb
2020-08-27 11:27 ` Sergey Petrenko
2020-08-31 11:06   ` Sergey Bronnikov
2020-09-01 12:25     ` Serge Petrenko
2020-09-01 12:50       ` Sergey Bronnikov
2020-11-12  9:27         ` Sergey Bronnikov

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