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This commit is contained in:
Antonio Andelic 2023-01-31 14:18:54 +00:00
parent 1786237be6
commit 8457d3bf3d
1 changed files with 19 additions and 14 deletions
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33
src/Coordination/Changelog.cpp
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@ -7,6 +7,7 @@
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <Common/filesystemHelpers.h>
#include <Common/Exception.h>
#include <Common/SipHash.h>
#include <Common/logger_useful.h>
@ -162,7 +163,9 @@ public:
rotate(record.header.index);
// writing at least 1 log is requirement - we don't want empty log files
const bool log_too_big = record.header.index != getStartIndex() && log_file_settings.max_size != 0 && initial_file_size + file_buffer->count() > log_file_settings.max_size;
// we use count() that can be unreliable for more complex WriteBuffers, so we should be careful if we change the type of it in the future
const bool log_too_big = record.header.index != getStartIndex() && log_file_settings.max_size != 0
&& initial_file_size + file_buffer->count() > log_file_settings.max_size;
if (log_too_big)
{
@ -325,25 +328,25 @@ private:
const auto & file_buffer = getFileBuffer();
#ifdef OS_LINUX
{
int res = fallocate(file_buffer.getFD(), FALLOC_FL_KEEP_SIZE, 0, log_file_settings.max_size + log_file_settings.overallocate_size);
if (res == ENOSPC)
int res = 0;
do
{
LOG_FATAL(log, "Failed to allocate enough space on disk for logs");
return;
}
res = fallocate(file_buffer.getFD(), FALLOC_FL_KEEP_SIZE, 0, log_file_settings.max_size + log_file_settings.overallocate_size);
} while (errno == EINTR);
if (res != 0)
{
if (errno == ENOSPC)
{
LOG_FATAL(log, "Failed to allocate enough space on disk for logs");
return;
}
LOG_WARNING(log, "Could not preallocate space on disk using fallocate. Error: {}, errno: {}", errnoToString(), errno);
}
}
#endif
struct stat buf;
{
[[maybe_unused]] int res = fstat(file_buffer.getFD(), &buf);
assert(res == 0);
}
initial_file_size = buf.st_size;
initial_file_size = getSizeFromFileDescriptor(file_buffer.getFD());
prealloc_done = true;
}
@ -1066,6 +1069,8 @@ bool Changelog::flush()
return !*failed_ptr;
}
// if we are shutting down let's return true to avoid abort inside NuRaft
// this can only happen when the config change is appended so no data loss should happen
return true;
}