database/mariadb-columnstore-engine
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Merge branch 'develop' of github.com:pleblanc1976/storage-manager into develop

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Patrick LeBlanc
2019-05-21 16:06:08 -05:00
parent 0dcbc10b5e d0a56fd3d4
commit 68ffceaa68
1 changed files with 18 additions and 1 deletions
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19
src/IOCoordinator.cpp
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@@ -297,9 +297,12 @@ int IOCoordinator::_write(const char *filename, const uint8_t *data, off_t offse
logger->log(LOG_ERR,"IOCoordinator::write(): object failed to complete write, %u of %u bytes written.",count,length);
return count;
}
if ((writeLength + objectOffset) > i->length)
metadata.updateEntryLength(i->offset, (writeLength + objectOffset));
assert(objectOffset >= 0 && objectOffset < (off_t) i->length);
cache->newJournalEntry(writeLength+JOURNAL_ENTRY_HEADER_SIZE);
synchronizer->newJournalEntry(i->key);
@@ -311,6 +314,9 @@ int IOCoordinator::_write(const char *filename, const uint8_t *data, off_t offse
while (dataRemaining > 0)
{
metadataObject newObject = metadata.addMetadataObject(filename,0);
// count is 0 so first write is beyond current end of file.
// offset is > than newObject.offset so we need to adjust offset for object
// unless offset is beyond newObject.offset + objectSize then we need to write null data to this object
if (count == 0 && (uint64_t) offset > newObject.offset)
{
//this is starting beyond last object in metadata
@@ -325,9 +331,15 @@ int IOCoordinator::_write(const char *filename, const uint8_t *data, off_t offse
writeLength = min(objectSize,dataRemaining);
objectOffset = 0;
}
cache->makeSpace(writeLength);
// writeLength is the data length passed to write()
// objectOffset is 0 unless the write starts beyond the end of data
// in that case need to add the null data to cachespace
cache->makeSpace(writeLength + objectOffset);
if ((writeLength + objectOffset) > newObject.length)
metadata.updateEntryLength(newObject.offset, (writeLength + objectOffset));
assert(objectOffset >= 0 && objectOffset < (off_t) newObject.length);
// send to replicator
err = replicator->newObject(newObject.key.c_str(),&data[count],objectOffset,writeLength);
assert((uint) err == writeLength);
@@ -404,6 +416,8 @@ int IOCoordinator::append(const char *filename, const uint8_t *data, size_t leng
}
metadata.updateEntryLength(i->offset, (writeLength + i->length));
assert(i->offset >= 0 && i->offset < (off_t) (writeLength + i->length));
cache->newJournalEntry(writeLength+JOURNAL_ENTRY_HEADER_SIZE);
synchronizer->newJournalEntry(i->key);
@@ -549,7 +563,10 @@ int IOCoordinator::truncate(const char *path, size_t newSize)
if (newSize == objects[0].offset)
meta.removeEntry(objects[0].offset);
else
{
meta.updateEntryLength(objects[0].offset, newSize - objects[0].offset);
assert(objects[0].offset >= 0 && objects[0].offset < (off_t) (newSize - objects[0].offset));
}
for (uint i = 1; i < objects.size(); i++)
meta.removeEntry(objects[i].offset);