vldpyatkov commented on code in PR #13774:
URL: https://github.com/apache/ignite/pull/13774#discussion_r4441623114
##########
modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java:
##########
@@ -5392,8 +5392,19 @@ private class CacheRecoveryLifecycle implements
MetastorageLifecycleListener, Da
/** {@inheritDoc} */
@Override public void beforeBinaryMemoryRestore(
IgniteCacheDatabaseSharedManager mgr) throws
IgniteCheckedException {
- for (DynamicCacheDescriptor cacheDescriptor : persistentCaches())
- preparePageStore(cacheDescriptor, true);
+ // Reserve at least 2 threads for system operations.
+ int parallelismLvl = U.availableThreadCount(ctx,
GridIoPolicy.SYSTEM_POOL, 2);
+
+ doInParallel(
Review Comment:
@zstan Look here. The patch demonstrates a speed-up of the [Uploading
IGNITE-29234_(TEST)_Parallelize_page_store_initialization_during_persistent_node_recovery.patch…]()
```
Metric | Sequential, ms | Parallel, ms | Speedup
-----------------------+----------------+----------------+-----------
Page stores | 4188.000 | 1011.000 | 4.14x
Total to ACTIVE | 12758.929 | 7506.163 | 1.70x
```
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