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Allow direct manipulation of streaming context parameters.

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Added a method to change streaming context fragment unit and
size. The method has a side effect of resetting unit counter.
This commit is contained in:
Teemu Ollakka
2019-02-11 16:06:39 +02:00
parent 4eb6074e67
commit 20b52ff1dd
3 changed files with 43 additions and 0 deletions
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10
include/wsrep/client_state.hpp
View File

@ -305,6 +305,16 @@ namespace wsrep
transaction_.after_row() : 0);
}
/**
* Set streaming parameters.
*
* @param fragment_unit Desired fragment unit
* @param fragment_size Desired fragment size
*/
void streaming_params(enum wsrep::streaming_context::fragment_unit
fragment_unit,
size_t fragment_size);
/**
* Enable streaming replication.
*

25
include/wsrep/streaming_context.hpp
View File

@ -49,6 +49,31 @@ namespace wsrep
, unit_counter_()
{ }
/**
* Set streaming parameters.
*
* Calling this method has a side effect of resetting unit
* counter.
*
* @param fragment_unit Desired fragment unit.
* @param fragment_size Desired fragment size.
*/
void params(enum fragment_unit fragment_unit, size_t fragment_size)
{
if (fragment_size)
{
wsrep::log_debug() << "Enabling streaming: "
<< fragment_unit << " " << fragment_size;
}
else
{
wsrep::log_debug() << "Disabling streaming";
}
fragment_unit_ = fragment_unit;
fragment_size_ = fragment_size;
reset_unit_counter();
}
void enable(enum fragment_unit fragment_unit, size_t fragment_size)
{
wsrep::log_debug() << "Enabling streaming: "

8
src/client_state.cpp
View File

@ -260,6 +260,14 @@ int wsrep::client_state::after_statement()
// Streaming //
//////////////////////////////////////////////////////////////////////////////
void wsrep::client_state::streaming_params(
enum wsrep::streaming_context::fragment_unit fragment_unit,
size_t fragment_size)
{
assert(mode_ == m_local);
transaction_.streaming_context().params(fragment_unit, fragment_size);
}
int wsrep::client_state::enable_streaming(
enum wsrep::streaming_context::fragment_unit
fragment_unit,