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Local Gateway: Allow to set gateway.local.initial_shards to `quorum-1`, closes #1160.

This commit is contained in:
Shay Banon 2011-07-26 10:55:53 +03:00
parent cc1415e281
commit 68868c4d3f
1 changed files with 22 additions and 12 deletions
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34
modules/elasticsearch/src/main/java/org/elasticsearch/gateway/local/LocalGatewayNodeAllocation.java
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@ -76,6 +76,8 @@ public class LocalGatewayNodeAllocation extends NodeAllocation {
this.listTimeout = componentSettings.getAsTime("list_timeout", TimeValue.timeValueSeconds(30)); this.listTimeout = componentSettings.getAsTime("list_timeout", TimeValue.timeValueSeconds(30));
this.initialShards = componentSettings.get("initial_shards", "quorum"); this.initialShards = componentSettings.get("initial_shards", "quorum");
logger.debug("using initial_shards [{}], list_timeout [{}]", initialShards, listTimeout);
} }
@Override public void applyStartedShards(NodeAllocations nodeAllocations, StartedRerouteAllocation allocation) { @Override public void applyStartedShards(NodeAllocations nodeAllocations, StartedRerouteAllocation allocation) {
@ -142,19 +144,27 @@ public class LocalGatewayNodeAllocation extends NodeAllocation {
// check if the counts meets the minimum set // check if the counts meets the minimum set
int requiredAllocation = 1; int requiredAllocation = 1;
IndexMetaData indexMetaData = routingNodes.metaData().index(shard.index()); try {
if ("quorum".equals(initialShards)) { IndexMetaData indexMetaData = routingNodes.metaData().index(shard.index());
if (indexMetaData.numberOfReplicas() > 1) { if ("quorum".equals(initialShards)) {
requiredAllocation = ((1 + indexMetaData.numberOfReplicas()) / 2) + 1; if (indexMetaData.numberOfReplicas() > 1) {
requiredAllocation = ((1 + indexMetaData.numberOfReplicas()) / 2) + 1;
}
} else if ("quorum-1".equals(initialShards) || "half".equals(initialShards)) {
if (indexMetaData.numberOfReplicas() > 2) {
requiredAllocation = ((1 + indexMetaData.numberOfReplicas()) / 2);
}
} else if ("full".equals(initialShards)) {
requiredAllocation = indexMetaData.numberOfReplicas() + 1;
} else if ("full-1".equals(initialShards)) {
if (indexMetaData.numberOfReplicas() > 1) {
requiredAllocation = indexMetaData.numberOfReplicas();
}
} else {
requiredAllocation = Integer.parseInt(initialShards);
} }
} else if ("full".equals(initialShards)) { } catch (Exception e) {
requiredAllocation = indexMetaData.numberOfReplicas() + 1; logger.warn("[{}][{}] failed to derived initial_shards from value {}, ignore allocation for {}", shard.index(), shard.id(), initialShards, shard);
} else if ("full-1".equals(initialShards)) {
if (indexMetaData.numberOfReplicas() > 1) {
requiredAllocation = indexMetaData.numberOfReplicas();
}
} else {
requiredAllocation = Integer.parseInt(initialShards);
} }
// not enough found for this shard, continue... // not enough found for this shard, continue...