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MXS-2142: Set causal_reads_timeout default to 10

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The causal_reads_timeout default value is too long when considering the
behavioral changes that MXS-2141 introduced. With a 10 second default
value, a result is returned to the client in a reasonable amount of time.
This commit is contained in:
Markus Mäkelä
2018-11-06 12:32:20 +02:00
parent e56372b153
commit 4341c2b6e2
2 changed files with 3 additions and 3 deletions
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4
Documentation/Routers/ReadWriteSplit.md
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@ -468,7 +468,7 @@ statements.
INSERT INTO test.t1 (id) VALUES (1); INSERT INTO test.t1 (id) VALUES (1);
SET @maxscale_secret_variable=( SET @maxscale_secret_variable=(
SELECT CASE SELECT CASE
WHEN MASTER_GTID_WAIT('0-3000-8', 120) = 0 THEN 1 WHEN MASTER_GTID_WAIT('0-3000-8', 10) = 0 THEN 1
ELSE (SELECT 1 FROM INFORMATION_SCHEMA.ENGINES) ELSE (SELECT 1 FROM INFORMATION_SCHEMA.ENGINES)
END); END);
SELECT * FROM test.t1 WHERE id = 1; SELECT * FROM test.t1 WHERE id = 1;
@ -486,7 +486,7 @@ when the slave timed out.
### `causal_reads_timeout` ### `causal_reads_timeout`
The timeout for the slave synchronization done by `causal_reads`. The The timeout for the slave synchronization done by `causal_reads`. The
default value is 120 seconds. default value is 10 seconds.
## Routing hints ## Routing hints

2
server/modules/routing/readwritesplit/readwritesplit.cc
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@ -492,7 +492,7 @@ extern "C" MXS_MODULE* MXS_CREATE_MODULE()
{"master_accept_reads", MXS_MODULE_PARAM_BOOL, "false" }, {"master_accept_reads", MXS_MODULE_PARAM_BOOL, "false" },
{"connection_keepalive", MXS_MODULE_PARAM_COUNT, "0" }, {"connection_keepalive", MXS_MODULE_PARAM_COUNT, "0" },
{"causal_reads", MXS_MODULE_PARAM_BOOL, "false" }, {"causal_reads", MXS_MODULE_PARAM_BOOL, "false" },
{"causal_reads_timeout", MXS_MODULE_PARAM_STRING, "120" }, {"causal_reads_timeout", MXS_MODULE_PARAM_STRING, "10" },
{"master_reconnection", MXS_MODULE_PARAM_BOOL, "false" }, {"master_reconnection", MXS_MODULE_PARAM_BOOL, "false" },
{"delayed_retry", MXS_MODULE_PARAM_BOOL, "false" }, {"delayed_retry", MXS_MODULE_PARAM_BOOL, "false" },
{"delayed_retry_timeout", MXS_MODULE_PARAM_COUNT, "10" }, {"delayed_retry_timeout", MXS_MODULE_PARAM_COUNT, "10" },