ibessonov commented on a change in pull request #7984:
URL: https://github.com/apache/ignite/pull/7984#discussion_r533392341
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/processors/query/GridQueryIndexing.java
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@@ -487,4 +493,25 @@ default long indexSize(String schemaName, String tblName,
String idxName) throws
default Map<String, Integer> secondaryIndexesInlineSize() {
return Collections.emptyMap();
}
+
+ /**
+ * Defragment index partition.
+ *
+ * @param grpCtx Old group context.
+ * @param newCtx New group context.
+ * @param partPageMem Partition page memory.
+ * @param mappingByPart Mapping page memory.
+ * @param cpLock Defragmentation checkpoint read lock.
+ * @param log Log.
+ *
+ * @throws IgniteCheckedException If failed.
+ */
+ void defragment(
+ CacheGroupContext grpCtx,
+ CacheGroupContext newCtx,
+ PageMemoryEx partPageMem,
+ IntMap<LinkMap> mappingByPart,
+ CheckpointTimeoutLock cpLock,
Review comment:
No, we don't want it to be under a single lock, it can overflow page
memory. We have to release checkpoint lock and acquire it again sometimes.
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