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Storages: Refine metrics of read threads and data sharing (#8653) (#8661
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ref #8652
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@ti-chi-bot
ti-chi-bot authored Jan 7, 2024
1 parent 704fae6 commit 8e4722f
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Showing 3 changed files with 248 additions and 6 deletions.
3 changes: 2 additions & 1 deletion dbms/src/Common/TiFlashMetrics.h
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Original file line number Diff line number Diff line change
Expand Up @@ -313,9 +313,10 @@ namespace DB
F(type_sche_no_segment, {"type", "sche_no_segment"}), \
F(type_sche_from_cache, {"type", "sche_from_cache"}), \
F(type_sche_new_task, {"type", "sche_new_task"}), \
F(type_push_block_bytes, {"type", "push_block_bytes"}), \
F(type_add_cache_succ, {"type", "add_cache_succ"}), \
F(type_add_cache_stale, {"type", "add_cache_stale"}), \
F(type_add_cache_reach_count_limit, {"type", "type_add_cache_reach_count_limit"}), \
F(type_add_cache_reach_count_limit, {"type", "add_cache_reach_count_limit"}), \
F(type_add_cache_total_bytes_limit, {"type", "add_cache_total_bytes_limit"}), \
F(type_get_cache_miss, {"type", "get_cache_miss"}), \
F(type_get_cache_part, {"type", "get_cache_part"}), \
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1 change: 1 addition & 0 deletions dbms/src/Storages/DeltaMerge/SegmentReadTaskPool.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -285,6 +285,7 @@ void SegmentReadTaskPool::pushBlock(Block && block)
{
blk_stat.push(block);
global_blk_stat.push(block);
GET_METRIC(tiflash_storage_read_thread_counter, type_push_block_bytes).Increment(block.bytes());
q.push(std::move(block), nullptr);
}

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250 changes: 245 additions & 5 deletions metrics/grafana/tiflash_summary.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2608,6 +2608,136 @@
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"expr": "count by (instance) (tiflash_proxy_thread_cpu_seconds_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", name=~\"SegmentReader.*\"})",
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"title": "Threads CPU",
Expand Down Expand Up @@ -7573,7 +7703,7 @@
"dashLength": 10,
"dashes": false,
"datasource": "${DS_TEST-CLUSTER}",
"description": "The information of read thread scheduling and data sharing cache hit ratio. Data sharing cache is purpose-built for OLAP workload that can reduce repeated data reads of concurrent table scanning.",
"description": "The information of data sharing cache hit ratio. Data sharing cache is purpose-built for OLAP workload that can reduce repeated data reads of concurrent table scanning.",
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"defaults": {},
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Expand All @@ -7589,12 +7719,12 @@
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Expand Down Expand Up @@ -7623,7 +7753,7 @@
"targets": [
{
"exemplar": true,
"expr": "sum(rate(tiflash_storage_read_thread_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", type!~\"get_cache_miss|get_cache_hit|get_cache_part|get_cache_copy|sche_no_segment\"}[1m])) by (type)",
"expr": "sum(rate(tiflash_storage_read_thread_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", type=~\"add_cache_stale|add_cache_succ|add_cache_total_bytes_limit|add_cache_reach_count_limit\"}[1m])) by (type)",
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"interval": "",
Expand Down Expand Up @@ -7661,7 +7791,7 @@
"timeFrom": null,
"timeRegions": [],
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"title": "Read Thread and Data Sharing",
"title": "Data Sharing",
"tooltip": {
"shared": true,
"sort": 0,
Expand Down Expand Up @@ -7699,6 +7829,116 @@
"alignLevel": null
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