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@@ -534,6 +534,12 @@ netdataDashboard.menu = {
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title: 'Squid log',
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icon: '<i class="fas fa-file-alt"></i>',
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info: undefined
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+ },
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+
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+ 'cockroachdb': {
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+ title: 'CockroachDB',
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+ icon: '<i class="fas fa-database"></i>',
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+ info: 'Performance and health statistics for various <code>CockroachDB</code> components.'
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}
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};
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@@ -2828,6 +2834,182 @@ netdataDashboard.context = {
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'squidlog.mime_type_requests': {
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info: 'The content type of the object as seen in the HTTP reply header. Please note that ICP exchanges usually don\'t have any content type.'
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- }
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+ },
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+
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+ // ------------------------------------------------------------------------
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+ // CockroachDB
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+
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+ 'cockroachdb.process_cpu_time_combined_percentage': {
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+ info: 'Current combined cpu utilization, calculated as <code>(user+system)/num of logical cpus</code>.'
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+ },
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+
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+ 'cockroachdb.host_disk_bandwidth': {
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+ info: 'Summary disk bandwidth statistics across all system host disks.'
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+ },
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+
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+ 'cockroachdb.host_disk_operations': {
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+ info: 'Summary disk operations statistics across all system host disks.'
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+ },
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+
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+ 'cockroachdb.host_disk_iops_in_progress': {
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+ info: 'Summary disk iops in progress statistics across all system host disks.'
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+ },
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+
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+ 'cockroachdb.host_network_bandwidth': {
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+ info: 'Summary network bandwidth statistics across all system host network interfaces.'
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+ },
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+
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+ 'cockroachdb.host_network_packets': {
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+ info: 'Summary network packets statistics across all system host network interfaces.'
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+ },
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+
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+ 'cockroachdb.live_nodes': {
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+ info: 'Will be <code>0</code> if this node is not itself live.'
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+ },
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+
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+ 'cockroachdb.total_storage_capacity': {
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+ info: 'Entire disk capacity. It includes non-CR data, CR data, and empty space.'
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+ },
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+
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+ 'cockroachdb.storage_capacity_usability': {
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+ info: '<code>usable</code> is sum of empty space and CR data, <code>unusable</code> is space used by non-CR data.'
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+ },
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+
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+ 'cockroachdb.storage_usable_capacity': {
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+ info: 'Breakdown of <code>usable</code> space.'
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+ },
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+
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+ 'cockroachdb.storage_used_capacity_percentage': {
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+ info: '<code>total</code> is % of <b>total</b> space used, <code>usable</code> is % of <b>usable</b> space used.'
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+ },
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+
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+ 'cockroachdb.sql_bandwidth': {
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+ info: 'The total amount of SQL client network traffic.'
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+ },
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+
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+ 'cockroachdb.sql_errors': {
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+ info: '<code>statement</code> is statements resulting in a planning or runtime error, ' +
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+ '<code>transaction</code> is SQL transactions abort errors.'
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+ },
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+
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+ 'cockroachdb.sql_started_ddl_statements': {
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+ info: 'The amount of <b>started</b> DDL (Data Definition Language) statements. ' +
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+ 'This type means database schema changes. ' +
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+ 'It includes <code>CREATE</code>, <code>ALTER</code>, <code>DROP</code>, <code>RENAME</code>, <code>TRUNCATE</code> and <code>COMMENT</code> statements.'
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+ },
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+
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+ 'cockroachdb.sql_executed_ddl_statements': {
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+ info: 'The amount of <b>executed</b> DDL (Data Definition Language) statements. ' +
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+ 'This type means database schema changes. ' +
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+ 'It includes <code>CREATE</code>, <code>ALTER</code>, <code>DROP</code>, <code>RENAME</code>, <code>TRUNCATE</code> and <code>COMMENT</code> statements.'
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+ },
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+
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+ 'cockroachdb.sql_started_dml_statements': {
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+ info: 'The amount of <b>started</b> DML (Data Manipulation Language) statements.'
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+ },
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+
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+ 'cockroachdb.sql_executed_dml_statements': {
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+ info: 'The amount of <b>executed</b> DML (Data Manipulation Language) statements.'
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+ },
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+
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+ 'cockroachdb.sql_started_tcl_statements': {
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+ info: 'The amount of <b>started</b> TCL (Transaction Control Language) statements.'
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+ },
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+
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+ 'cockroachdb.sql_executed_tcl_statements': {
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+ info: 'The amount of <b>executed</b> TCL (Transaction Control Language) statements.'
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+ },
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+
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+ 'cockroachdb.live_bytes': {
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+ info: 'The amount of live data used by both applications and the CockroachDB system.'
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+ },
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+
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+ 'cockroachdb.kv_transactions': {
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+ info: 'KV transactions breakdown:<br>' +
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+ '<ul>' +
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+ ' <li><code>committed</code> committed KV transactions (including 1PC).</li>' +
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+ ' <li><code>fast-path_committed</code> KV transaction on-phase commit attempts.</li>' +
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+ ' <li><code>aborted</code> aborted KV transactions.</li>' +
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+ ' </ul>'
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+ },
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+
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+ 'cockroachdb.kv_transaction_restarts': {
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+ info: 'KV transactions restarts breakdown:<br>' +
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+ '<ul>' +
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+ ' <li><code>write too old</code> restarts due to a concurrent writer committing first.</li>' +
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+ ' <li><code>write too old (multiple)</code> restarts due to multiple concurrent writers committing first.</li>' +
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+ ' <li><code>forwarded timestamp (iso=serializable)</code> restarts due to a forwarded commit timestamp and isolation=SERIALIZABLE".</li>' +
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+ ' <li><code>possible replay</code> restarts due to possible replays of command batches at the storage layer.</li>' +
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+ ' <li><code>async consensus failure</code> restarts due to async consensus writes that failed to leave intents.</li>' +
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+ ' <li><code>read within uncertainty interval</code> restarts due to reading a new value within the uncertainty interval.</li>' +
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+ ' <li><code>aborted</code> restarts due to an abort by a concurrent transaction (usually due to deadlock).</li>' +
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+ ' <li><code>push failure</code> restarts due to a transaction push failure.</li>' +
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+ ' <li><code>unknown</code> restarts due to a unknown reasons.</li>' +
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+ ' </ul>'
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+ },
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+
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+ 'cockroachdb.ranges': {
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+ info: 'CockroachDB stores all user data (tables, indexes, etc.) and almost all system data in a giant sorted map of key-value pairs. ' +
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+ 'This keyspace is divided into "ranges", contiguous chunks of the keyspace, so that every key can always be found in a single range.'
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+ },
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+
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+ 'cockroachdb.ranges_replication_problem': {
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+ info: 'Ranges with not optimal number of replicas:<br>' +
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+ '<ul>' +
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+ ' <li><code>unavailable</code> ranges with fewer live replicas than needed for quorum.</li>' +
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+ ' <li><code>under replicated</code> ranges with fewer live replicas than the replication target.</li>' +
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+ ' <li><code>over replicated</code> ranges with more live replicas than the replication target.</li>' +
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+ ' </ul>'
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+ },
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+
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+ 'cockroachdb.replicas': {
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+ info: 'CockroachDB replicates each range (3 times by default) and stores each replica on a different node.'
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+ },
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+
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+ 'cockroachdb.replicas_leaders': {
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+ info: 'For each range, one of the replicas is the <code>leader</code> for write requests, <code>not leaseholders</code> is the number of Raft leaders whose range lease is held by another store.'
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+ },
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+
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+ 'cockroachdb.replicas_leaseholders': {
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+ info: 'For each range, one of the replicas holds the "range lease". This replica, referred to as the <code>leaseholder</code>, is the one that receives and coordinates all read and write requests for the range.'
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+ },
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+
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+ 'cockroachdb.queue_processing_failures': {
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+ info: 'Failed replicas breakdown by queue:<br>' +
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+ '<ul>' +
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+ ' <li><code>gc</code> replicas which failed processing in the GC queue.</li>' +
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+ ' <li><code>replica gc</code> replicas which failed processing in the replica GC queue.</li>' +
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+ ' <li><code>replication</code> replicas which failed processing in the replicate queue.</li>' +
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+ ' <li><code>split</code> replicas which failed processing in the split queue.</li>' +
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+ ' <li><code>consistency</code> replicas which failed processing in the consistency checker queue.</li>' +
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+ ' <li><code>raft log</code> replicas which failed processing in the Raft log queue.</li>' +
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+ ' <li><code>raft snapshot</code> replicas which failed processing in the Raft repair queue.</li>' +
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+ ' <li><code>time series maintenance</code> replicas which failed processing in the time series maintenance queue.</li>' +
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+ ' </ul>'
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+ },
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+
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+ 'cockroachdb.rebalancing_queries': {
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+ info: 'Number of kv-level requests received per second by the store, averaged over a large time period as used in rebalancing decisions.'
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+ },
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+
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+ 'cockroachdb.rebalancing_writes': {
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+ info: 'Number of keys written (i.e. applied by raft) per second to the store, averaged over a large time period as used in rebalancing decisions.'
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+ },
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+
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+ 'cockroachdb.slow_requests': {
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+ info: 'Requests that have been stuck for a long time.'
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+ },
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+
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+ 'cockroachdb.timeseries_samples': {
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+ info: 'The amount of metric samples written to disk.'
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+ },
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+
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+ 'cockroachdb.timeseries_write_errors': {
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+ info: 'The amount of errors encountered while attempting to write metrics to disk.'
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+ },
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+
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+ 'cockroachdb.timeseries_write_bytes': {
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+ info: 'Size of metric samples written to disk.'
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+ },
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};
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Ilya Mashchenko