# Elasticsearch performance **URL:** \ **Category:** Elasticsearch\ **Created:** [April 3, 2022, 2:15pm UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430 "2022-04-03T14:15:11Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![osamaali2405](https://avatars.discourse-cdn.com/v4/letter/o/87869e/32.png) [@osamaali2405](https://discuss.elastic.co/u/osamaali2405)\ **Post date:** [April 3, 2022, 2:15pm UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/1 "2022-04-03T14:15:11Z")
I have an issue when try to update in Elasticsearch, sometimes it takes more than 10 seconds According to the elastic logs, the overall health check itself takes too long , below example is \> 20 seconds `{"type": "server", "timestamp": "2022-03-31T14:07:56,788Z", "level": "WARN", "component": "o.e.m.f.FsHealthService", "cluster.name": "elasticsearch", "node.name": "elasticsearch-0", "message": "health check of [/usr/share/elasticsearch/data/nodes/0] took [10605ms] which is above the warn threshold of [5s]", "cluster.uuid": "XcF8SobFT5WfznloIQOmFQ", "node.id": "Np6OgulyR6mjljoRrLoRHg" } ` I deploy Elasticsearch on Openshift Redhat and I used persistent volume to save my data there ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [April 4, 2022, 12:49am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/2 "2022-04-04T00:49:40Z")
What is the output from the `_cluster/stats?pretty&human` API? ---
**Author:** ![osamaali2405](https://avatars.discourse-cdn.com/v4/letter/o/87869e/32.png) [@osamaali2405](https://discuss.elastic.co/u/osamaali2405)\ **Post date:** [April 4, 2022, 7:30am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/3 "2022-04-04T07:30:37Z")
> [@warkolm](#): > > \_cluster/stats?pretty&human check below the output from `_cluster/stats?pretty&human` ```auto { "_nodes" : { "total" : 1, "successful" : 1, "failed" : 0 }, "cluster_name" : "elasticsearch", "cluster_uuid" : "XcF8SobFT5WfznloIQOmFQ", "timestamp" : 1649057229947, "status" : "yellow", "indices" : { "count" : 14, "shards" : { "total" : 14, "primaries" : 14, "replication" : 0.0, "index" : { "shards" : { "min" : 1, "max" : 1, "avg" : 1.0 }, "primaries" : { "min" : 1, "max" : 1, "avg" : 1.0 }, "replication" : { "min" : 0.0, "max" : 0.0, "avg" : 0.0 } } }, "docs" : { "count" : 38665346, "deleted" : 7 }, "store" : { "size" : "1.4gb", "size_in_bytes" : 1596997137, "total_data_set_size" : "1.4gb", "total_data_set_size_in_bytes" : 1596997137, "reserved" : "0b", "reserved_in_bytes" : 0 }, "fielddata" : { "memory_size" : "0b", "memory_size_in_bytes" : 0, "evictions" : 0 }, "query_cache" : { "memory_size" : "14.7kb", "memory_size_in_bytes" : 15064, "total_count" : 600, "hit_count" : 0, "miss_count" : 600, "cache_size" : 1, "cache_count" : 2, "evictions" : 1 }, "completion" : { "size" : "0b", "size_in_bytes" : 0 }, "segments" : { "count" : 75, "memory" : "375.9kb", "memory_in_bytes" : 385020, "terms_memory" : "312.4kb", "terms_memory_in_bytes" : 319968, "stored_fields_memory" : "39kb", "stored_fields_memory_in_bytes" : 39992, "term_vectors_memory" : "0b", "term_vectors_memory_in_bytes" : 0, "norms_memory" : "6kb", "norms_memory_in_bytes" : 6144, "points_memory" : "0b", "points_memory_in_bytes" : 0, "doc_values_memory" : "18.4kb", "doc_values_memory_in_bytes" : 18916, "index_writer_memory" : "1.2mb", "index_writer_memory_in_bytes" : 1271240, "version_map_memory" : "127b", "version_map_memory_in_bytes" : 127, "fixed_bit_set" : "144.9kb", "fixed_bit_set_memory_in_bytes" : 148464, "max_unsafe_auto_id_timestamp" : -1, "file_sizes" : { } }, "mappings" : { "field_types" : [ { "name" : "boolean", "count" : 6, "index_count" : 4, "script_count" : 0 }, { "name" : "date", "count" : 6, "index_count" : 4, "script_count" : 0 }, { "name" : "keyword", "count" : 293, "index_count" : 14, "script_count" : 0 }, { "name" : "long", "count" : 21, "index_count" : 7, "script_count" : 0 }, { "name" : "nested", "count" : 8, "index_count" : 4, "script_count" : 0 }, { "name" : "object", "count" : 20, "index_count" : 11, "script_count" : 0 }, { "name" : "text", "count" : 23, "index_count" : 8, "script_count" : 0 } ], "runtime_field_types" : [] }, "analysis" : { "char_filter_types" : [], "tokenizer_types" : [ { "name" : "edge_ngram", "count" : 12, "index_count" : 12 } ], "filter_types" : [], "analyzer_types" : [ { "name" : "custom", "count" : 12, "index_count" : 12 } ], "built_in_char_filters" : [], "built_in_tokenizers" : [], "built_in_filters" : [ { "name" : "lowercase", "count" : 12, "index_count" : 12 } ], "built_in_analyzers" : [] }, "versions" : [ { "version" : "7.14.1", "index_count" : 14, "primary_shard_count" : 14, "total_primary_size" : "1.4gb", "total_primary_bytes" : 1596997137 } ] }, "nodes" : { "count" : { "total" : 1, "coordinating_only" : 0, "data" : 1, "data_cold" : 1, "data_content" : 1, "data_frozen" : 1, "data_hot" : 1, "data_warm" : 1, "ingest" : 1, "master" : 1, "ml" : 1, "remote_cluster_client" : 1, "transform" : 1, "voting_only" : 0 }, "versions" : [ "7.14.1" ], "os" : { "available_processors" : 2, "allocated_processors" : 2, "names" : [ { "name" : "Linux", "count" : 1 } ], "pretty_names" : [ { "pretty_name" : "CentOS Linux 8", "count" : 1 } ], "architectures" : [ { "arch" : "amd64", "count" : 1 } ], "mem" : { "total" : "4gb", "total_in_bytes" : 4294967296, "free" : "748.1mb", "free_in_bytes" : 784465920, "used" : "3.2gb", "used_in_bytes" : 3510501376, "free_percent" : 18, "used_percent" : 82 } }, "process" : { "cpu" : { "percent" : 0 }, "open_file_descriptors" : { "min" : 369, "max" : 369, "avg" : 369 } }, "jvm" : { "max_uptime" : "3.7d", "max_uptime_in_millis" : 325067570, "versions" : [ { "version" : "16.0.2", "vm_name" : "OpenJDK 64-Bit Server VM", "vm_version" : "16.0.2+7", "vm_vendor" : "Eclipse Foundation", "bundled_jdk" : true, "using_bundled_jdk" : true, "count" : 1 } ], "mem" : { "heap_used" : "652.4mb", "heap_used_in_bytes" : 684124624, "heap_max" : "2gb", "heap_max_in_bytes" : 2147483648 }, "threads" : 53 }, "fs" : { "total" : "3.8gb", "total_in_bytes" : 4160421888, "free" : "2.3gb", "free_in_bytes" : 2544877568, "available" : "2.3gb", "available_in_bytes" : 2528100352 }, "plugins" : [], "network_types" : { "transport_types" : { "security4" : 1 }, "http_types" : { "security4" : 1 } }, "discovery_types" : { "zen" : 1 }, "packaging_types" : [ { "flavor" : "default", "type" : "docker", "count" : 1 } ], "ingest" : { "number_of_pipelines" : 1, "processor_stats" : { "gsub" : { "count" : 0, "failed" : 0, "current" : 0, "time" : "0s", "time_in_millis" : 0 }, "script" : { "count" : 0, "failed" : 0, "current" : 0, "time" : "0s", "time_in_millis" : 0 } } } } } ``` ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [April 4, 2022, 7:35am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/4 "2022-04-04T07:35:17Z")
Thanks. > [@osamaali2405](#): > > I deploy Elasticsearch on Openshift Redhat and I used persistent volume to save my data there What sort of storage backend is it? ---
**Author:** ![osamaali2405](https://avatars.discourse-cdn.com/v4/letter/o/87869e/32.png) [@osamaali2405](https://discuss.elastic.co/u/osamaali2405)\ **Post date:** [April 4, 2022, 7:59am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/5 "2022-04-04T07:59:48Z")
> [@warkolm](#): > > > [@osamaali2405](#): > > > > I deploy Elasticsearch on Openshift Redhat and I used persistent volume to save my data there I don't know, how I get this information, I am deploying Elasticsearch on Openshift ---
**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\ **Post date:** [April 4, 2022, 8:23am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/6 "2022-04-04T08:23:23Z")
You need to check with someone that administrates OpenShift what type of storage that is used. It could be that it is some type of slow networked storage that is not really suitable for Elasticsearch, which can be very I/O intensive and require fast disks. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [May 2, 2022, 8:24am UTC](https://discuss.elastic.co/t/elasticsearch-performance/301430/7 "2022-05-02T08:24:00Z")
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