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FIFO Compaction with TTL #2480

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FIFO Compaction with TTL #2480

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353da0e
FIFO Compaction with TTL.
sagar0 Jun 22, 2017
2d87ed4
Remove accidental additions to TableFileCreationReason enum.
sagar0 Jun 22, 2017
5d8f184
Cleaned up FIFO compaction with TTL logic, and added tests.
sagar0 Jun 25, 2017
3a90501
Added creation_time to the tables built during repair and recovery.
sagar0 Jun 25, 2017
20514a9
Add ttl param to the end in CompactionOptionsFIFO constructor.
sagar0 Jun 25, 2017
ee95191
Add to HISTORY.md and update score based on TTL.
sagar0 Jun 26, 2017
e6fc920
Return MaxInputFileCreationTime irrespective of compaction.
sagar0 Jun 26, 2017
7c096ef
Move log message to the right place.
sagar0 Jun 26, 2017
a87140a
Support FIFO-Compaction-with-TTL only with unlimited open files.
sagar0 Jun 26, 2017
05bf810
Add tests to check the compatiblity of FIFO-with-TTL with other options.
sagar0 Jun 27, 2017
12a5eda
Pick only continguous files for deletion based on TTL.
sagar0 Jun 27, 2017
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12 changes: 8 additions & 4 deletions db/compaction_picker.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1450,10 +1450,6 @@ Compaction* FIFOCompactionPicker::PickTTLCompaction(
(current_time - ioptions_.compaction_options_fifo.ttl)) {
total_size -= f->compensated_file_size;
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inputs[0].files.push_back(f);
ROCKS_LOG_BUFFER(log_buffer,
"[%s] FIFO compaction: picking file %" PRIu64
" with creation time %" PRIu64 " for deletion",
cf_name.c_str(), f->fd.GetNumber(), creation_time);
}
}
}
Expand All @@ -1467,6 +1463,14 @@ Compaction* FIFOCompactionPicker::PickTTLCompaction(
return nullptr;
}

for (const auto& f : inputs[0].files) {
ROCKS_LOG_BUFFER(log_buffer,
"[%s] FIFO compaction: picking file %" PRIu64
" with creation time %" PRIu64 " for deletion",
cf_name.c_str(), f->fd.GetNumber(),
f->fd.table_reader->GetTableProperties()->creation_time);
}

Compaction* c = new Compaction(
vstorage, ioptions_, mutable_cf_options, std::move(inputs), 0, 0, 0, 0,
kNoCompression, {}, /* is manual */ false, vstorage->CompactionScore(0),
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17 changes: 12 additions & 5 deletions db/db_impl_open.cc
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Expand Up @@ -165,11 +165,18 @@ static Status ValidateOptions(
"universal and level compaction styles. ");
}
}
if (cfd.options.compaction_options_fifo.ttl > 0 &&
cfd.options.table_factory->Name() != BlockBasedTableFactory().Name()) {
return Status::NotSupported(
"FIFO Compaction with TTL is only supported in "
"Block-Based Table format. ");
if (cfd.options.compaction_options_fifo.ttl > 0) {
if (db_options.max_open_files != -1) {
return Status::NotSupported(
"FIFO Compaction with TTL is only supported when files are always "
"kept open (set max_open_files = -1). ");
}
if (cfd.options.table_factory->Name() !=
BlockBasedTableFactory().Name()) {
return Status::NotSupported(
"FIFO Compaction with TTL is only supported in "
"Block-Based Table format. ");
}
}
}

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