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This commit is contained in:
kssenii 2023-06-19 19:22:45 +02:00
parent ec86028fd8
commit 7f9cd56f61
2 changed files with 7 additions and 0 deletions
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1
src/Common/ProfileEvents.cpp
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@ -381,6 +381,7 @@ The server successfully detected this situation and will download merged part fr
M(CachedReadBufferReadFromCacheBytes, "Bytes read from filesystem cache") \
M(CachedReadBufferCacheWriteBytes, "Bytes written from source (remote fs, etc) to filesystem cache") \
M(CachedReadBufferCacheWriteMicroseconds, "Time spent writing data into filesystem cache") \
M(CachedReadBufferCreateBufferMicroseconds, "Prepare buffer time") \
M(CachedWriteBufferCacheWriteBytes, "Bytes written from source (remote fs, etc) to filesystem cache") \
M(CachedWriteBufferCacheWriteMicroseconds, "Time spent writing data into filesystem cache") \
\

6
src/Disks/IO/CachedOnDiskReadBufferFromFile.cpp
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@ -8,6 +8,7 @@
#include <IO/BoundedReadBuffer.h>
#include <Common/getRandomASCIIString.h>
#include <Common/logger_useful.h>
#include <Common/ElapsedTimeProfileEventIncrement.h>
#include <base/hex.h>
#include <Interpreters/Context.h>
@ -26,6 +27,7 @@ extern const Event CachedReadBufferCacheWriteMicroseconds;
extern const Event CachedReadBufferReadFromSourceBytes;
extern const Event CachedReadBufferReadFromCacheBytes;
extern const Event CachedReadBufferCacheWriteBytes;
extern const Event CachedReadBufferCreateBufferMicroseconds;
}
namespace DB
@ -145,6 +147,8 @@ void CachedOnDiskReadBufferFromFile::initialize(size_t offset, size_t size)
CachedOnDiskReadBufferFromFile::ImplementationBufferPtr
CachedOnDiskReadBufferFromFile::getCacheReadBuffer(const FileSegment & file_segment) const
{
ProfileEventTimeIncrement<Microseconds> watch(ProfileEvents::CachedReadBufferCreateBufferMicroseconds);
/// Use is_persistent flag from in-memory state of the filesegment,
/// because it is consistent with what is written on disk.
auto path = file_segment.getPathInLocalCache();
@ -167,6 +171,8 @@ CachedOnDiskReadBufferFromFile::getCacheReadBuffer(const FileSegment & file_segm
CachedOnDiskReadBufferFromFile::ImplementationBufferPtr
CachedOnDiskReadBufferFromFile::getRemoteReadBuffer(FileSegment & file_segment, ReadType read_type_)
{
ProfileEventTimeIncrement<Microseconds> watch(ProfileEvents::CachedReadBufferCreateBufferMicroseconds);
switch (read_type_)
{
case ReadType::REMOTE_FS_READ_AND_PUT_IN_CACHE: