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c3dfbe52a6
* netdata doubles * fix cmocka test * fix cmocka test again * fix left-overs of long double to NETDATA_DOUBLE * RRDDIM detached from disk representation; db settings in [db] section of netdata.conf * update the memory before saving * rrdset is now detached from file structures too * on memory mode map, update the memory mapped structures on every iteration * allow RRD_ID_LENGTH_MAX to be changed * granularity secs, back to update every * fix formatting * more formatting
67 lines
3.2 KiB
C
67 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef NETDATA_RRDENGINEAPI_H
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#define NETDATA_RRDENGINEAPI_H
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#include "rrdengine.h"
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#define RRDENG_MIN_PAGE_CACHE_SIZE_MB (8)
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#define RRDENG_MIN_DISK_SPACE_MB (64)
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#define RRDENG_NR_STATS (37)
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#define RRDENG_FD_BUDGET_PER_INSTANCE (50)
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extern int db_engine_use_malloc;
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extern int default_rrdeng_page_fetch_timeout;
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extern int default_rrdeng_page_fetch_retries;
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extern int default_rrdeng_page_cache_mb;
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extern int default_rrdeng_disk_quota_mb;
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extern int default_multidb_disk_quota_mb;
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extern uint8_t rrdeng_drop_metrics_under_page_cache_pressure;
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extern struct rrdengine_instance multidb_ctx;
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struct rrdeng_region_info {
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time_t start_time;
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int update_every;
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unsigned points;
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};
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extern void *rrdeng_create_page(struct rrdengine_instance *ctx, uuid_t *id, struct rrdeng_page_descr **ret_descr);
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extern void rrdeng_commit_page(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr,
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Word_t page_correlation_id);
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extern void *rrdeng_get_latest_page(struct rrdengine_instance *ctx, uuid_t *id, void **handle);
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extern void *rrdeng_get_page(struct rrdengine_instance *ctx, uuid_t *id, usec_t point_in_time, void **handle);
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extern void rrdeng_put_page(struct rrdengine_instance *ctx, void *handle);
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extern void rrdeng_generate_legacy_uuid(const char *dim_id, char *chart_id, uuid_t *ret_uuid);
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extern void rrdeng_convert_legacy_uuid_to_multihost(char machine_guid[GUID_LEN + 1], uuid_t *legacy_uuid,
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uuid_t *ret_uuid);
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extern void rrdeng_metric_init(RRDDIM *rd);
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extern void rrdeng_store_metric_init(RRDDIM *rd);
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extern void rrdeng_store_metric_flush_current_page(RRDDIM *rd);
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extern void rrdeng_store_metric_next(RRDDIM *rd, usec_t point_in_time, NETDATA_DOUBLE number, SN_FLAGS flags);
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extern int rrdeng_store_metric_finalize(RRDDIM *rd);
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extern unsigned
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rrdeng_variable_step_boundaries(RRDSET *st, time_t start_time, time_t end_time,
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struct rrdeng_region_info **region_info_arrayp, unsigned *max_intervalp, struct context_param *context_param_list);
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extern void rrdeng_load_metric_init(RRDDIM *rd, struct rrddim_query_handle *rrdimm_handle,
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time_t start_time, time_t end_time);
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extern NETDATA_DOUBLE rrdeng_load_metric_next(struct rrddim_query_handle *rrdimm_handle, time_t *start_time, time_t *end_time, SN_FLAGS *flags);
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extern int rrdeng_load_metric_is_finished(struct rrddim_query_handle *rrdimm_handle);
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extern void rrdeng_load_metric_finalize(struct rrddim_query_handle *rrdimm_handle);
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extern time_t rrdeng_metric_latest_time(RRDDIM *rd);
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extern time_t rrdeng_metric_oldest_time(RRDDIM *rd);
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extern void rrdeng_get_37_statistics(struct rrdengine_instance *ctx, unsigned long long *array);
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/* must call once before using anything */
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extern int rrdeng_init(RRDHOST *host, struct rrdengine_instance **ctxp, char *dbfiles_path, unsigned page_cache_mb,
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unsigned disk_space_mb);
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extern int rrdeng_exit(struct rrdengine_instance *ctx);
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extern void rrdeng_prepare_exit(struct rrdengine_instance *ctx);
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extern int rrdeng_metric_latest_time_by_uuid(uuid_t *dim_uuid, time_t *first_entry_t, time_t *last_entry_t);
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#endif /* NETDATA_RRDENGINEAPI_H */
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