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Fix relocating shards size calculation (#48421) 

In #48392 we added a second computation of the sizes of the relocating shards
in `canRemain()` but passed the wrong value for `subtractLeavingShards`. This
fixes that. It also removes some unnecessary logging in a test case added in
the same commit.
This commit is contained in:
David Turner 2019-10-24 09:43:46 +02:00
parent dc5c31d67a
commit 50518359fe
2 changed files with 2 additions and 6 deletions
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2
server/src/main/java/org/elasticsearch/cluster/routing/allocation/decider/DiskThresholdDecider.java
View File

@ -317,7 +317,7 @@ public class DiskThresholdDecider extends AllocationDecider {
"this shard is not allocated on the most utilized disk and can remain");
}
if (freeBytes < 0L) {
final long sizeOfRelocatingShards = sizeOfRelocatingShards(node, false, usage.getPath(),
final long sizeOfRelocatingShards = sizeOfRelocatingShards(node, true, usage.getPath(),
allocation.clusterInfo(), allocation.metaData(), allocation.routingTable());
logger.debug("fewer free bytes remaining than the size of all incoming shards: " +
"usage {} on node {} including {} bytes of relocations, shard cannot remain",

6
server/src/test/java/org/elasticsearch/cluster/routing/allocation/decider/DiskThresholdDeciderTests.java
View File

@ -754,17 +754,13 @@ public class DiskThresholdDeciderTests extends ESAllocationTestCase {
AllocationCommand moveAllocationCommand = new MoveAllocationCommand("test2", 0, "node2", "node3");
AllocationCommands cmds = new AllocationCommands(moveAllocationCommand);
logger.info("--> before starting: {}", clusterState);
clusterState = startInitializingShardsAndReroute(strategy, clusterState);
logger.info("--> after starting: {}", clusterState);
clusterState = strategy.reroute(clusterState, cmds, false, false).getClusterState();
logger.info("--> after running another command: {}", clusterState);
logShardStates(clusterState);
clusterInfoReference.set(overfullClusterInfo);
clusterState = strategy.reroute(clusterState, "foo");
logger.info("--> after another reroute: {}", clusterState);
strategy.reroute(clusterState, "foo"); // ensure reroute doesn't fail even though there is negative free space
}
}