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fix mem reuse when persisting large co sstable

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Fengjingkun 2024-07-04 04:15:22 +00:00 committed by ob-robot
parent 958e3e3132
commit a3168c3fbe
1 changed files with 13 additions and 1 deletions
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14
src/storage/tablet/ob_tablet_persister.cpp
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@ -1086,6 +1086,7 @@ int ObTabletPersister::fetch_and_persist_sstable(
int ret = OB_SUCCESS;
SharedMacroMap shared_macro_map;
common::ObSEArray<ObITable *, 8> tables;
common::ObSEArray<ObCOSSTableV2 *, 1> big_co_tables; // used to recycle mem
common::ObSEArray<ObMetaDiskAddr, 8> addrs;
common::ObSEArray<ObMetaDiskAddr, 8> cg_addrs;
common::ObSEArray<ObSharedBlocksWriteCtx, 8> write_ctxs;
@ -1094,6 +1095,7 @@ int ObTabletPersister::fetch_and_persist_sstable(
? ObCtxIds::MERGE_RESERVE_CTX_ID
: ObCtxIds::DEFAULT_CTX_ID;
tables.set_attr(lib::ObMemAttr(MTL_ID(), "PerstTables", ctx_id));
big_co_tables.set_attr(lib::ObMemAttr(MTL_ID(), "PerstBigTbls", ctx_id));
addrs.set_attr(lib::ObMemAttr(MTL_ID(), "PerstAddrs", ctx_id));
cg_addrs.set_attr(lib::ObMemAttr(MTL_ID(), "PerstCGAddrs", ctx_id));
write_ctxs.set_attr(lib::ObMemAttr(MTL_ID(), "PerstWriteCtxs", ctx_id));
@ -1122,7 +1124,6 @@ int ObTabletPersister::fetch_and_persist_sstable(
// serialize full co sstable and shell cg sstables when the serialize size of CO reached the limit.
FLOG_INFO("cannot full serialize CO within 2MB buffer, should serialize CO with Shell CG", K(ret), KPC(table));
cg_addrs.reset();
tmp_allocator.reuse();
ObCOSSTableV2 *tmp_co_sstable = nullptr;
ObSSTableMetaHandle co_meta_handle;
@ -1140,6 +1141,8 @@ int ObTabletPersister::fetch_and_persist_sstable(
LOG_WARN("failed to fill sstable write info", K(ret));
} else if (OB_FAIL(tables.push_back(tmp_co_sstable))) {
LOG_WARN("failed to add table", K(ret));
} else if (OB_FAIL(big_co_tables.push_back(tmp_co_sstable))) {
LOG_WARN("failed to add co to big tables", K(ret));
} else if (OB_FAIL(copy_sstable_macro_info(*tmp_co_sstable, shared_macro_map, block_info_set))) {
LOG_WARN("fail to call sstable macro info", K(ret));
}
@ -1226,6 +1229,15 @@ int ObTabletPersister::fetch_and_persist_sstable(
}
total_tablet_meta_size += upper_align(sstable_meta_size, DIO_READ_ALIGN_SIZE);
}
// recycle big co table mem
for (int64_t idx = 0; idx < big_co_tables.count(); ++idx) {
ObCOSSTableV2 *co_table = big_co_tables.at(idx);
if (OB_NOT_NULL(co_table)) {
co_table->~ObCOSSTableV2();
tmp_allocator.free(co_table);
}
}
return ret;
}