xtern commented on a change in pull request #6951: Ignite 11073 12069 P2P
Rebalance collaboration work
URL: https://github.com/apache/ignite/pull/6951#discussion_r408764890
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File path:
modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/topology/GridDhtLocalPartition.java
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@@ -888,6 +945,31 @@ public void awaitDestroy() {
}
}
+ /**
+ * Re-initialize partition with a new file.
+ *
+ * @param snapshot Partition snapshot file.
+ * @throws IOException If was not able to move partition file.
+ * @throws IgniteCheckedException If cache or partition with the given ID
does not exists.
+ */
+ public void initialize(File snapshot) throws IgniteCheckedException,
IOException {
+ assert state() == MOVING : "grp=" + group().cacheOrGroupName() + ",
p=" + id + ", state=" + state();
+
+ FilePageStore pageStore =
+
((FilePageStore)((FilePageStoreManager)ctx.pageStore()).getStore(group().groupId(),
id));
+
+ File dest = new File(pageStore.getFileAbsolutePath());
+
+ assert !dest.exists() : "dest=" + dest;
+
+ if (log.isDebugEnabled())
+ log.debug("Moving snapshot [from=" + snapshot + " , to=" + dest +
" , size=" + snapshot.length() + "]");
+
+ Files.move(snapshot.toPath(), dest.toPath());
+
+ store.init();
Review comment:
As I described above, the current implementation covers the case only when
the GridCacheDataStore was not initialized.
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