Andras Salamon created SOLR-14172:
-------------------------------------
Summary: Collection metadata remains in zookeper if too many
shards requested
Key: SOLR-14172
URL: https://issues.apache.org/jira/browse/SOLR-14172
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 8.3.1
Reporter: Andras Salamon
When I try to create a collection and request too many shards, collection
creation fails with the expected error message:
{noformat}
$ curl -i --retry 5 -s -L -k --negotiate -u :
'http://asalamon-cdpd-rebase831-a-1.vpc.cloudera.com:8983/solr/admin/collections?action=CREATE&name=TooManyShardstest1&numShards=4&collection.configName=zk_init_too&maxShardsPerNode=1'
HTTP/1.1 400 Bad Request
Content-Type: application/json;charset=utf-8
Content-Length: 1562
{
"responseHeader":{
"status":400,
"QTime":122},
"Operation create caused
exception:":"org.apache.solr.common.SolrException:org.apache.solr.common.SolrException:
Cannot create collection TooManyShardstest1. Value of maxShardsPerNode is 1,
and the number of nodes currently live or live and part of your createNodeSet
is 3. This allows a maximum of 3 to be created. Value of numShards is 4, value
of nrtReplicas is 1, value of tlogReplicas is 0 and value of pullReplicas is 0.
This requires 4 shards to be created (higher than the allowed number)",
"exception":{
"msg":"Cannot create collection TooManyShardstest1. Value of
maxShardsPerNode is 1, and the number of nodes currently live or live and part
of your createNodeSet is 3. This allows a maximum of 3 to be created. Value of
numShards is 4, value of nrtReplicas is 1, value of tlogReplicas is 0 and value
of pullReplicas is 0. This requires 4 shards to be created (higher than the
allowed number)",
"rspCode":400},
"error":{
"metadata":[
"error-class","org.apache.solr.common.SolrException",
"root-error-class","org.apache.solr.common.SolrException"],
"msg":"Cannot create collection TooManyShardstest1. Value of
maxShardsPerNode is 1, and the number of nodes currently live or live and part
of your createNodeSet is 3. This allows a maximum of 3 to be created. Value of
numShards is 4, value of nrtReplicas is 1, value of tlogReplicas is 0 and value
of pullReplicas is 0. This requires 4 shards to be created (higher than the
allowed number)",
"code":400}}
{noformat}
Although the collection creation was not successful if I list the collections
it shows the new collection:
{noformat}
$ solr collection --list
TooManyShardstest1 (1)
{noformat}
Looks like metadata remains in Zookeper:
{noformat}
zkcli.sh -zkhost asalamon-cdpd-rebase831-a-1.vpc.cloudera.com:2181/solr -cmd ls
/collections
INFO - 2020-01-06 04:54:01.851;
org.apache.solr.common.cloud.ConnectionManager; Waiting for client to connect
to ZooKeeper
INFO - 2020-01-06 04:54:01.880;
org.apache.solr.common.cloud.ConnectionManager; zkClient has connected
INFO - 2020-01-06 04:54:01.881;
org.apache.solr.common.cloud.ConnectionManager; Client is connected to ZooKeeper
/collections (1)
/collections/TooManyShardstest1 (1)
DATA:
{"configName":"zk_init_too"}
/collections/TooManyShardstest1/state.json (0)
DATA:
{"TooManyShardstest1":{
"pullReplicas":"0",
"replicationFactor":"1",
"router":{"name":"compositeId"},
"maxShardsPerNode":"1",
"autoAddReplicas":"false",
"nrtReplicas":"1",
"tlogReplicas":"0",
"shards":{
"shard1":{
"range":"80000000-bfffffff",
"state":"active",
"replicas":{}},
"shard2":{
"range":"c0000000-ffffffff",
"state":"active",
"replicas":{}},
"shard3":{
"range":"0-3fffffff",
"state":"active",
"replicas":{}},
"shard4":{
"range":"40000000-7fffffff",
"state":"active",
"replicas":{}}}}}
{noformat}
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