#3562

Committed 20 Dec 2024 09:57AM UTC coverage: 26.655% (-32.2%) from 58.812%

Build # #3562

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travis-ci

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web-flow

Commit Message

Merge pull request #29229 from taosdata/enh/TS-5749-3.0

enh: seperate tsdb async tasks to different thread pools

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63.58

/source/dnode/vnode/src/tsdb/tsdbMerge.c

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "tsdbMerge.h"

#define TSDB_MAX_LEVEL 2  // means max level is 3

typedef struct {
  STsdb     *tsdb;
  int32_t    fid;
  STFileSet *fset;

  int32_t sttTrigger;
  int32_t maxRow;
  int32_t minRow;
  int32_t szPage;
  int8_t  cmprAlg;
  int64_t compactVersion;
  int64_t cid;

  // context
  struct {
    bool       opened;
    int64_t    now;
    STFileSet *fset;
    bool       toData;
    int32_t    level;
    TABLEID    tbid[1];
  } ctx[1];

  TFileOpArray fopArr[1];

  // reader
  TSttFileReaderArray sttReaderArr[1];
  // iter
  TTsdbIterArray dataIterArr[1];
  SIterMerger   *dataIterMerger;
  TTsdbIterArray tombIterArr[1];
  SIterMerger   *tombIterMerger;
  // writer
  SFSetWriter *writer;
} SMerger;

static int32_t tsdbMergerOpen(SMerger *merger) {
  merger->ctx->now = taosGetTimestampSec();
  merger->maxRow = merger->tsdb->pVnode->config.tsdbCfg.maxRows;
  merger->minRow = merger->tsdb->pVnode->config.tsdbCfg.minRows;
  merger->szPage = merger->tsdb->pVnode->config.tsdbPageSize;
  merger->cmprAlg = merger->tsdb->pVnode->config.tsdbCfg.compression;
  merger->compactVersion = INT64_MAX;
  merger->cid = tsdbFSAllocEid(merger->tsdb->pFS);
  merger->ctx->opened = true;
  return 0;
}

static int32_t tsdbMergerClose(SMerger *merger) {
  int32_t lino = 0;
  SVnode *pVnode = merger->tsdb->pVnode;

  // clear the merge
  TARRAY2_DESTROY(merger->tombIterArr, NULL);
  TARRAY2_DESTROY(merger->dataIterArr, NULL);
  TARRAY2_DESTROY(merger->sttReaderArr, NULL);
  TARRAY2_DESTROY(merger->fopArr, NULL);
  return 0;
}

static void tsdbMergeFileSetEndCloseReader(SMerger *merger) {
  TARRAY2_CLEAR(merger->sttReaderArr, tsdbSttFileReaderClose);
}

static int32_t tsdbMergeFileSetBeginOpenReader(SMerger *merger) {
  int32_t  code = 0;
  int32_t  lino = 0;
  SSttLvl *lvl;

  bool hasLevelLargerThanMax = false;
  TARRAY2_FOREACH_REVERSE(merger->ctx->fset->lvlArr, lvl) {
    if (lvl->level <= TSDB_MAX_LEVEL) {
      break;
    } else if (TARRAY2_SIZE(lvl->fobjArr) > 0) {
      hasLevelLargerThanMax = true;
      break;
    }
  }

  if (hasLevelLargerThanMax) {
    // merge all stt files
    merger->ctx->toData = true;
    merger->ctx->level = TSDB_MAX_LEVEL;

    TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {
      int32_t numMergeFile = TARRAY2_SIZE(lvl->fobjArr);

      for (int32_t i = 0; i < numMergeFile; ++i) {
        STFileObj *fobj = TARRAY2_GET(lvl->fobjArr, i);

        STFileOp op = {
            .optype = TSDB_FOP_REMOVE,
            .fid = merger->ctx->fset->fid,
            .of = fobj->f[0],
        };
        TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->fopArr, op), &lino, _exit);

        SSttFileReader      *reader;
        SSttFileReaderConfig config = {
            .tsdb = merger->tsdb,
            .szPage = merger->szPage,
            .file[0] = fobj->f[0],
        };

        TAOS_CHECK_GOTO(tsdbSttFileReaderOpen(fobj->fname, &config, &reader), &lino, _exit);

        TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->sttReaderArr, reader), &lino, _exit);
      }
    }
  } else {
    // do regular merge
    merger->ctx->toData = true;
    merger->ctx->level = 0;

    // find the highest level that can be merged to
    for (int32_t i = 0, numCarry = 0;;) {
      int32_t numFile = numCarry;
      if (i < TARRAY2_SIZE(merger->ctx->fset->lvlArr) &&
          merger->ctx->level == TARRAY2_GET(merger->ctx->fset->lvlArr, i)->level) {
        numFile += TARRAY2_SIZE(TARRAY2_GET(merger->ctx->fset->lvlArr, i)->fobjArr);
        i++;
      }

      numCarry = numFile / merger->sttTrigger;
      if (numCarry == 0) {
        break;
      } else {
        merger->ctx->level++;
      }
    }

    if (merger->ctx->level <= TSDB_MAX_LEVEL) {
      TARRAY2_FOREACH_REVERSE(merger->ctx->fset->lvlArr, lvl) {
        if (TARRAY2_SIZE(lvl->fobjArr) == 0) {
          continue;
        }

        if (lvl->level >= merger->ctx->level) {
          merger->ctx->toData = false;
        }
        break;
      }
    }

    // get number of level-0 files to merge
    int32_t numFile = pow(merger->sttTrigger, merger->ctx->level);
    TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {
      if (lvl->level == 0) continue;
      if (lvl->level >= merger->ctx->level) break;

      numFile = numFile - TARRAY2_SIZE(lvl->fobjArr) * pow(merger->sttTrigger, lvl->level);
    }

    // get file system operations
    TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {
      if (lvl->level >= merger->ctx->level) {
        break;
      }

      int32_t numMergeFile;
      if (lvl->level == 0) {
        numMergeFile = numFile;
      } else {
        numMergeFile = TARRAY2_SIZE(lvl->fobjArr);
      }

      for (int32_t i = 0; i < numMergeFile; ++i) {
        STFileObj *fobj = TARRAY2_GET(lvl->fobjArr, i);

        STFileOp op = {
            .optype = TSDB_FOP_REMOVE,
            .fid = merger->ctx->fset->fid,
            .of = fobj->f[0],
        };
        TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->fopArr, op), &lino, _exit);

        SSttFileReader      *reader;
        SSttFileReaderConfig config = {
            .tsdb = merger->tsdb,
            .szPage = merger->szPage,
            .file[0] = fobj->f[0],
        };

        TAOS_CHECK_GOTO(tsdbSttFileReaderOpen(fobj->fname, &config, &reader), &lino, _exit);

        if ((code = TARRAY2_APPEND(merger->sttReaderArr, reader))) {
          tsdbSttFileReaderClose(&reader);
          TSDB_CHECK_CODE(code, lino, _exit);
        }
      }
    }

    if (merger->ctx->level > TSDB_MAX_LEVEL) {
      merger->ctx->level = TSDB_MAX_LEVEL;
    }
  }

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,
              tstrerror(code));
    tsdbMergeFileSetEndCloseReader(merger);
  }
  return code;
}

static int32_t tsdbMergeFileSetBeginOpenIter(SMerger *merger) {
  int32_t code = 0;
  int32_t lino = 0;
  int32_t vid = TD_VID(merger->tsdb->pVnode);

  SSttFileReader *sttReader;
  TARRAY2_FOREACH(merger->sttReaderArr, sttReader) {
    STsdbIter      *iter;
    STsdbIterConfig config = {0};

    // data iter
    config.type = TSDB_ITER_TYPE_STT;
    config.sttReader = sttReader;

    TAOS_CHECK_GOTO(tsdbIterOpen(&config, &iter), &lino, _exit);
    TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->dataIterArr, iter), &lino, _exit);

    // tomb iter
    config.type = TSDB_ITER_TYPE_STT_TOMB;
    config.sttReader = sttReader;

    TAOS_CHECK_GOTO(tsdbIterOpen(&config, &iter), &lino, _exit);

    TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->tombIterArr, iter), &lino, _exit);
  }

  TAOS_CHECK_GOTO(tsdbIterMergerOpen(merger->dataIterArr, &merger->dataIterMerger, false), &lino, _exit);

  TAOS_CHECK_GOTO(tsdbIterMergerOpen(merger->tombIterArr, &merger->tombIterMerger, true), &lino, _exit);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", vid, __func__, __FILE__, lino, tstrerror(code));
  }
  return code;
}

static int32_t tsdbMergeFileSetBeginOpenWriter(SMerger *merger) {
  int32_t code = 0;
  int32_t lino = 0;
  int32_t vid = TD_VID(merger->tsdb->pVnode);

  SDiskID did;
  int32_t level = tsdbFidLevel(merger->ctx->fset->fid, &merger->tsdb->keepCfg, merger->ctx->now);

  TAOS_CHECK_GOTO(tfsAllocDisk(merger->tsdb->pVnode->pTfs, level, &did), &lino, _exit);

  code = tfsMkdirRecurAt(merger->tsdb->pVnode->pTfs, merger->tsdb->path, did);
  TSDB_CHECK_CODE(code, lino, _exit);

  SFSetWriterConfig config = {
      .tsdb = merger->tsdb,
      .toSttOnly = true,
      .compactVersion = merger->compactVersion,
      .minRow = merger->minRow,
      .maxRow = merger->maxRow,
      .szPage = merger->szPage,
      .cmprAlg = merger->cmprAlg,
      .fid = merger->ctx->fset->fid,
      .cid = merger->cid,
      .did = did,
      .level = merger->ctx->level,
  };

  if (merger->ctx->toData) {
    config.toSttOnly = false;

    for (int32_t ftype = 0; ftype < TSDB_FTYPE_MAX; ++ftype) {
      if (merger->ctx->fset->farr[ftype]) {
        config.files[ftype].exist = true;
        config.files[ftype].file = merger->ctx->fset->farr[ftype]->f[0];
      } else {
        config.files[ftype].exist = false;
      }
    }
  }

  TAOS_CHECK_GOTO(tsdbFSetWriterOpen(&config, &merger->writer), &lino, _exit);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", vid, __func__, __FILE__, lino, tstrerror(code));
  }
  return code;
}

static int32_t tsdbMergeFileSetBegin(SMerger *merger) {
  int32_t code = 0;
  int32_t lino = 0;

  TARRAY2_CLEAR(merger->fopArr, NULL);

  merger->ctx->tbid->suid = 0;
  merger->ctx->tbid->uid = 0;

  // open reader
  TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenReader(merger), &lino, _exit);

  // open iterator
  TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenIter(merger), &lino, _exit);

  // open writer
  TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenWriter(merger), &lino, _exit);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,
              tstrerror(code));
  }
  return code;
}

static int32_t tsdbMergeFileSetEndCloseWriter(SMerger *merger) {
  return tsdbFSetWriterClose(&merger->writer, 0, merger->fopArr);
}

static int32_t tsdbMergeFileSetEndCloseIter(SMerger *merger) {
  tsdbIterMergerClose(&merger->tombIterMerger);
  TARRAY2_CLEAR(merger->tombIterArr, tsdbIterClose);
  tsdbIterMergerClose(&merger->dataIterMerger);
  TARRAY2_CLEAR(merger->dataIterArr, tsdbIterClose);
  return 0;
}

static int32_t tsdbMergeFileSetEnd(SMerger *merger) {
  int32_t code = 0;
  int32_t lino = 0;

  TAOS_CHECK_GOTO(tsdbMergeFileSetEndCloseWriter(merger), &lino, _exit);

  TAOS_CHECK_GOTO(tsdbMergeFileSetEndCloseIter(merger), &lino, _exit);

  tsdbMergeFileSetEndCloseReader(merger);

  // edit file system
  TAOS_CHECK_GOTO(tsdbFSEditBegin(merger->tsdb->pFS, merger->fopArr, TSDB_FEDIT_MERGE), &lino, _exit);

  (void)taosThreadMutexLock(&merger->tsdb->mutex);
  code = tsdbFSEditCommit(merger->tsdb->pFS);
  if (code) {
    (void)taosThreadMutexUnlock(&merger->tsdb->mutex);
    TSDB_CHECK_CODE(code, lino, _exit);
  }
  (void)taosThreadMutexUnlock(&merger->tsdb->mutex);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,
              tstrerror(code));
    TSDB_ERROR_LOG(TD_VID(merger->tsdb->pVnode), lino, code);
  }
  return code;
}

static int32_t tsdbMergeFileSet(SMerger *merger, STFileSet *fset) {
  int32_t code = 0;
  int32_t lino = 0;

  merger->ctx->fset = fset;
  TAOS_CHECK_GOTO(tsdbMergeFileSetBegin(merger), &lino, _exit);

  // data
  SMetaInfo info;
  SRowInfo *row;
  merger->ctx->tbid->suid = 0;
  merger->ctx->tbid->uid = 0;
  while ((row = tsdbIterMergerGetData(merger->dataIterMerger)) != NULL) {
    if (row->uid != merger->ctx->tbid->uid) {
      merger->ctx->tbid->uid = row->uid;
      merger->ctx->tbid->suid = row->suid;

      if (metaGetInfo(merger->tsdb->pVnode->pMeta, row->uid, &info, NULL) != 0) {
        TAOS_CHECK_GOTO(tsdbIterMergerSkipTableData(merger->dataIterMerger, merger->ctx->tbid), &lino, _exit);
        continue;
      }
    }

    TAOS_CHECK_GOTO(tsdbFSetWriteRow(merger->writer, row), &lino, _exit);

    TAOS_CHECK_GOTO(tsdbIterMergerNext(merger->dataIterMerger), &lino, _exit);
  }

  // tomb
  merger->ctx->tbid->suid = 0;
  merger->ctx->tbid->uid = 0;
  for (STombRecord *record; (record = tsdbIterMergerGetTombRecord(merger->tombIterMerger)) != NULL;) {
    if (record->uid != merger->ctx->tbid->uid) {
      merger->ctx->tbid->uid = record->uid;
      merger->ctx->tbid->suid = record->suid;

      if (metaGetInfo(merger->tsdb->pVnode->pMeta, record->uid, &info, NULL) != 0) {
        TAOS_CHECK_GOTO(tsdbIterMergerSkipTableData(merger->tombIterMerger, merger->ctx->tbid), &lino, _exit);
        continue;
      }
    }
    TAOS_CHECK_GOTO(tsdbFSetWriteTombRecord(merger->writer, record), &lino, _exit);

    TAOS_CHECK_GOTO(tsdbIterMergerNext(merger->tombIterMerger), &lino, _exit);
  }

  TAOS_CHECK_GOTO(tsdbMergeFileSetEnd(merger), &lino, _exit);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,
              tstrerror(code));
  } else {
    tsdbDebug("vgId:%d %s done, fid:%d", TD_VID(merger->tsdb->pVnode), __func__, fset->fid);
  }
  return code;
}

static int32_t tsdbDoMerge(SMerger *merger) {
  int32_t code = 0;
  int32_t lino = 0;

  if (TARRAY2_SIZE(merger->fset->lvlArr) == 0) return 0;

  SSttLvl *lvl = TARRAY2_FIRST(merger->fset->lvlArr);
  if (lvl->level != 0 || TARRAY2_SIZE(lvl->fobjArr) < merger->sttTrigger) {
    return 0;
  }

  TAOS_CHECK_GOTO(tsdbMergerOpen(merger), &lino, _exit);
  TAOS_CHECK_GOTO(tsdbMergeFileSet(merger, merger->fset), &lino, _exit);
  TAOS_CHECK_GOTO(tsdbMergerClose(merger), &lino, _exit);

_exit:
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,
              tstrerror(code));
  } else {
    tsdbDebug("vgId:%d %s done", TD_VID(merger->tsdb->pVnode), __func__);
  }
  return code;
}

static int32_t tsdbMergeGetFSet(SMerger *merger) {
  STFileSet *fset;
  int32_t    code;
  STsdb     *tsdb = merger->tsdb;

  (void)taosThreadMutexLock(&merger->tsdb->mutex);

  if (tsdb->bgTaskDisabled) {
    (void)taosThreadMutexUnlock(&merger->tsdb->mutex);
    return 0;
  }

  tsdbBeginTaskOnFileSet(tsdb, merger->fid, EVA_TASK_MERGE, &fset);
  if (NULL == fset) {
    (void)taosThreadMutexUnlock(&merger->tsdb->mutex);
    return 0;
  }

  code = tsdbTFileSetInitCopy(merger->tsdb, fset, &merger->fset);
  if (code) {
    (void)taosThreadMutexUnlock(&merger->tsdb->mutex);
    return code;
  }

  fset->mergeScheduled = false;
  (void)taosThreadMutexUnlock(&merger->tsdb->mutex);
  return 0;
}

int32_t tsdbMerge(void *arg) {
  int32_t    code = 0;
  int32_t    lino = 0;
  SMergeArg *mergeArg = (SMergeArg *)arg;
  STsdb     *tsdb = mergeArg->tsdb;

  SMerger merger[1] = {{
      .tsdb = tsdb,
      .fid = mergeArg->fid,
      .sttTrigger = tsdb->pVnode->config.sttTrigger,
  }};

  if (merger->sttTrigger <= 1) {
    return 0;
  }

  // copy snapshot
  code = tsdbMergeGetFSet(merger);
  TSDB_CHECK_CODE(code, lino, _exit);

  if (merger->fset == NULL) {
    return 0;
  }

  // do merge
  tsdbInfo("vgId:%d merge begin, fid:%d", TD_VID(tsdb->pVnode), merger->fid);
  code = tsdbDoMerge(merger);
  tsdbInfo("vgId:%d merge done, fid:%d", TD_VID(tsdb->pVnode), mergeArg->fid);
  TSDB_CHECK_CODE(code, lino, _exit);

_exit:
  if (merger->fset) {
    (void)taosThreadMutexLock(&tsdb->mutex);
    tsdbFinishTaskOnFileSet(tsdb, mergeArg->fid, EVA_TASK_MERGE);
    (void)taosThreadMutexUnlock(&tsdb->mutex);
  }

  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(tsdb->pVnode), __func__, __FILE__, lino, tstrerror(code));
    tsdbFatal("vgId:%d, failed to merge stt files since %s. code:%d", TD_VID(tsdb->pVnode), terrstr(), code);
    taosMsleep(100);
    exit(EXIT_FAILURE);
  }

  tsdbTFileSetClear(&merger->fset);
  taosMemoryFree(arg);
  return code;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#include "tsdbMerge.h"
17
18	#define TSDB_MAX_LEVEL 2 // means max level is 3
19
20	typedef struct {
21	STsdb *tsdb;
22	int32_t fid;
23	STFileSet *fset;
24
25	int32_t sttTrigger;
26	int32_t maxRow;
27	int32_t minRow;
28	int32_t szPage;
29	int8_t cmprAlg;
30	int64_t compactVersion;
31	int64_t cid;
32
33	// context
34	struct {
35	bool opened;
36	int64_t now;
37	STFileSet *fset;
38	bool toData;
39	int32_t level;
40	TABLEID tbid[1];
41	} ctx[1];
42
43	TFileOpArray fopArr[1];
44
45	// reader
46	TSttFileReaderArray sttReaderArr[1];
47	// iter
48	TTsdbIterArray dataIterArr[1];
49	SIterMerger *dataIterMerger;
50	TTsdbIterArray tombIterArr[1];
51	SIterMerger *tombIterMerger;
52	// writer
53	SFSetWriter *writer;
54	} SMerger;
55
56	static int32_t tsdbMergerOpen(SMerger *merger) {	5✔
57	merger->ctx->now = taosGetTimestampSec();	5✔
58	merger->maxRow = merger->tsdb->pVnode->config.tsdbCfg.maxRows;	5✔
59	merger->minRow = merger->tsdb->pVnode->config.tsdbCfg.minRows;	5✔
60	merger->szPage = merger->tsdb->pVnode->config.tsdbPageSize;	5✔
61	merger->cmprAlg = merger->tsdb->pVnode->config.tsdbCfg.compression;	5✔
62	merger->compactVersion = INT64_MAX;	5✔
63	merger->cid = tsdbFSAllocEid(merger->tsdb->pFS);	5✔
64	merger->ctx->opened = true;	5✔
65	return 0;	5✔
66	}
67
68	static int32_t tsdbMergerClose(SMerger *merger) {	5✔
69	int32_t lino = 0;	5✔
70	SVnode *pVnode = merger->tsdb->pVnode;	5✔
71
72	// clear the merge
73	TARRAY2_DESTROY(merger->tombIterArr, NULL);	5!
74	TARRAY2_DESTROY(merger->dataIterArr, NULL);	5!
75	TARRAY2_DESTROY(merger->sttReaderArr, NULL);	5!
76	TARRAY2_DESTROY(merger->fopArr, NULL);	5!
77	return 0;	5✔
78	}
79
80	static void tsdbMergeFileSetEndCloseReader(SMerger *merger) {	5✔
81	TARRAY2_CLEAR(merger->sttReaderArr, tsdbSttFileReaderClose);	15!
82	}	5✔
83
84	static int32_t tsdbMergeFileSetBeginOpenReader(SMerger *merger) {	5✔
85	int32_t code = 0;	5✔
86	int32_t lino = 0;	5✔
87	SSttLvl *lvl;
88
89	bool hasLevelLargerThanMax = false;	5✔
90	TARRAY2_FOREACH_REVERSE(merger->ctx->fset->lvlArr, lvl) {	5✔
91	if (lvl->level <= TSDB_MAX_LEVEL) {	4!
92	break;	4✔
93	} else if (TARRAY2_SIZE(lvl->fobjArr) > 0) {	×
94	hasLevelLargerThanMax = true;	×
95	break;	×
96	}
97	}
98
99	if (hasLevelLargerThanMax) {	5!
100	// merge all stt files
101	merger->ctx->toData = true;	×
102	merger->ctx->level = TSDB_MAX_LEVEL;	×
103
104	TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {	×
105	int32_t numMergeFile = TARRAY2_SIZE(lvl->fobjArr);	×
106
107	for (int32_t i = 0; i < numMergeFile; ++i) {	×
108	STFileObj *fobj = TARRAY2_GET(lvl->fobjArr, i);	×
109
110	STFileOp op = {	×
111	.optype = TSDB_FOP_REMOVE,
112	.fid = merger->ctx->fset->fid,	×
113	.of = fobj->f[0],
114	};
115	TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->fopArr, op), &lino, _exit);	×
116
117	SSttFileReader *reader;
118	SSttFileReaderConfig config = {	×
119	.tsdb = merger->tsdb,	×
120	.szPage = merger->szPage,	×
121	.file[0] = fobj->f[0],
122	};
123
124	TAOS_CHECK_GOTO(tsdbSttFileReaderOpen(fobj->fname, &config, &reader), &lino, _exit);	×
125
126	TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->sttReaderArr, reader), &lino, _exit);	×
127	}
128	}
129	} else {
130	// do regular merge
131	merger->ctx->toData = true;	5✔
132	merger->ctx->level = 0;	5✔
133
134	// find the highest level that can be merged to
135	for (int32_t i = 0, numCarry = 0;;) {	5✔
136	int32_t numFile = numCarry;	9✔
137	if (i < TARRAY2_SIZE(merger->ctx->fset->lvlArr) &&	9✔
138	merger->ctx->level == TARRAY2_GET(merger->ctx->fset->lvlArr, i)->level) {	4!
139	numFile += TARRAY2_SIZE(TARRAY2_GET(merger->ctx->fset->lvlArr, i)->fobjArr);	4✔
140	i++;	4✔
141	}
142
143	numCarry = numFile / merger->sttTrigger;	9✔
144	if (numCarry == 0) {	9✔
145	break;	5✔
146	} else {
147	merger->ctx->level++;	4✔
148	}
149	}
150
151	if (merger->ctx->level <= TSDB_MAX_LEVEL) {	5!
152	TARRAY2_FOREACH_REVERSE(merger->ctx->fset->lvlArr, lvl) {	5✔
153	if (TARRAY2_SIZE(lvl->fobjArr) == 0) {	4!
154	continue;	×
155	}
156
157	if (lvl->level >= merger->ctx->level) {	4!
UNCOV 158	merger->ctx->toData = false;	×
159	}
160	break;	4✔
161	}
162	}
163
164	// get number of level-0 files to merge
165	int32_t numFile = pow(merger->sttTrigger, merger->ctx->level);	5✔
166	TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {	10✔
167	if (lvl->level == 0) continue;	5!
UNCOV 168	if (lvl->level >= merger->ctx->level) break;	×
169
UNCOV 170	numFile = numFile - TARRAY2_SIZE(lvl->fobjArr) * pow(merger->sttTrigger, lvl->level);	×
171	}
172
173	// get file system operations
174	TARRAY2_FOREACH(merger->ctx->fset->lvlArr, lvl) {	9✔
175	if (lvl->level >= merger->ctx->level) {	5!
UNCOV 176	break;	×
177	}
178
179	int32_t numMergeFile;
180	if (lvl->level == 0) {	5!
181	numMergeFile = numFile;	5✔
182	} else {
UNCOV 183	numMergeFile = TARRAY2_SIZE(lvl->fobjArr);	×
184	}
185
186	for (int32_t i = 0; i < numMergeFile; ++i) {	14✔
187	STFileObj *fobj = TARRAY2_GET(lvl->fobjArr, i);	10✔
188
189	STFileOp op = {	10✔
190	.optype = TSDB_FOP_REMOVE,
191	.fid = merger->ctx->fset->fid,	10✔
192	.of = fobj->f[0],
193	};
194	TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->fopArr, op), &lino, _exit);	20!
195
196	SSttFileReader *reader;
197	SSttFileReaderConfig config = {	10✔
198	.tsdb = merger->tsdb,	10✔
199	.szPage = merger->szPage,	10✔
200	.file[0] = fobj->f[0],
201	};
202
203	TAOS_CHECK_GOTO(tsdbSttFileReaderOpen(fobj->fname, &config, &reader), &lino, _exit);	10!
204
205	if ((code = TARRAY2_APPEND(merger->sttReaderArr, reader))) {	17!
206	tsdbSttFileReaderClose(&reader);	×
207	TSDB_CHECK_CODE(code, lino, _exit);	×
208	}
209	}
210	}
211
212	if (merger->ctx->level > TSDB_MAX_LEVEL) {	4!
UNCOV 213	merger->ctx->level = TSDB_MAX_LEVEL;	×
214	}
215	}
216
217	_exit:	4✔
218	if (code) {	4!
219	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,	×
220	tstrerror(code));
221	tsdbMergeFileSetEndCloseReader(merger);	×
222	}
223	return code;	4✔
224	}
225
226	static int32_t tsdbMergeFileSetBeginOpenIter(SMerger *merger) {	4✔
227	int32_t code = 0;	4✔
228	int32_t lino = 0;	4✔
229	int32_t vid = TD_VID(merger->tsdb->pVnode);	4✔
230
231	SSttFileReader *sttReader;
232	TARRAY2_FOREACH(merger->sttReaderArr, sttReader) {	14✔
233	STsdbIter *iter;
234	STsdbIterConfig config = {0};	10✔
235
236	// data iter
237	config.type = TSDB_ITER_TYPE_STT;	10✔
238	config.sttReader = sttReader;	10✔
239
240	TAOS_CHECK_GOTO(tsdbIterOpen(&config, &iter), &lino, _exit);	10!
241	TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->dataIterArr, iter), &lino, _exit);	20!
242
243	// tomb iter
244	config.type = TSDB_ITER_TYPE_STT_TOMB;	10✔
245	config.sttReader = sttReader;	10✔
246
247	TAOS_CHECK_GOTO(tsdbIterOpen(&config, &iter), &lino, _exit);	10!
248
249	TAOS_CHECK_GOTO(TARRAY2_APPEND(merger->tombIterArr, iter), &lino, _exit);	20!
250	}
251
252	TAOS_CHECK_GOTO(tsdbIterMergerOpen(merger->dataIterArr, &merger->dataIterMerger, false), &lino, _exit);	4!
253
254	TAOS_CHECK_GOTO(tsdbIterMergerOpen(merger->tombIterArr, &merger->tombIterMerger, true), &lino, _exit);	5!
255
256	_exit:	5✔
257	if (code) {	5!
258	tsdbError("vgId:%d %s failed at %s:%d since %s", vid, __func__, __FILE__, lino, tstrerror(code));	×
259	}
260	return code;	5✔
261	}
262
263	static int32_t tsdbMergeFileSetBeginOpenWriter(SMerger *merger) {	5✔
264	int32_t code = 0;	5✔
265	int32_t lino = 0;	5✔
266	int32_t vid = TD_VID(merger->tsdb->pVnode);	5✔
267
268	SDiskID did;
269	int32_t level = tsdbFidLevel(merger->ctx->fset->fid, &merger->tsdb->keepCfg, merger->ctx->now);	5✔
270
271	TAOS_CHECK_GOTO(tfsAllocDisk(merger->tsdb->pVnode->pTfs, level, &did), &lino, _exit);	5!
272
273	code = tfsMkdirRecurAt(merger->tsdb->pVnode->pTfs, merger->tsdb->path, did);	5✔
274	TSDB_CHECK_CODE(code, lino, _exit);	5!
275
276	SFSetWriterConfig config = {	5✔
277	.tsdb = merger->tsdb,	5✔
278	.toSttOnly = true,
279	.compactVersion = merger->compactVersion,	5✔
280	.minRow = merger->minRow,	5✔
281	.maxRow = merger->maxRow,	5✔
282	.szPage = merger->szPage,	5✔
283	.cmprAlg = merger->cmprAlg,	5✔
284	.fid = merger->ctx->fset->fid,	5✔
285	.cid = merger->cid,	5✔
286	.did = did,
287	.level = merger->ctx->level,	5✔
288	};
289
290	if (merger->ctx->toData) {	5!
291	config.toSttOnly = false;	5✔
292
293	for (int32_t ftype = 0; ftype < TSDB_FTYPE_MAX; ++ftype) {	25✔
294	if (merger->ctx->fset->farr[ftype]) {	20!
UNCOV 295	config.files[ftype].exist = true;	×
UNCOV 296	config.files[ftype].file = merger->ctx->fset->farr[ftype]->f[0];	×
297	} else {
298	config.files[ftype].exist = false;	20✔
299	}
300	}
301	}
302
303	TAOS_CHECK_GOTO(tsdbFSetWriterOpen(&config, &merger->writer), &lino, _exit);	5!
304
305	_exit:	5✔
306	if (code) {	5!
307	tsdbError("vgId:%d %s failed at %s:%d since %s", vid, __func__, __FILE__, lino, tstrerror(code));	×
308	}
309	return code;	5✔
310	}
311
312	static int32_t tsdbMergeFileSetBegin(SMerger *merger) {	5✔
313	int32_t code = 0;	5✔
314	int32_t lino = 0;	5✔
315
316	TARRAY2_CLEAR(merger->fopArr, NULL);	5✔
317
318	merger->ctx->tbid->suid = 0;	5✔
319	merger->ctx->tbid->uid = 0;	5✔
320
321	// open reader
322	TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenReader(merger), &lino, _exit);	5!
323
324	// open iterator
325	TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenIter(merger), &lino, _exit);	4!
326
327	// open writer
328	TAOS_CHECK_GOTO(tsdbMergeFileSetBeginOpenWriter(merger), &lino, _exit);	5!
329
330	_exit:	5✔
331	if (code) {	5!
332	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,	×
333	tstrerror(code));
334	}
335	return code;	5✔
336	}
337
338	static int32_t tsdbMergeFileSetEndCloseWriter(SMerger *merger) {	5✔
339	return tsdbFSetWriterClose(&merger->writer, 0, merger->fopArr);	5✔
340	}
341
342	static int32_t tsdbMergeFileSetEndCloseIter(SMerger *merger) {	5✔
343	tsdbIterMergerClose(&merger->tombIterMerger);	5✔
344	TARRAY2_CLEAR(merger->tombIterArr, tsdbIterClose);	15!
345	tsdbIterMergerClose(&merger->dataIterMerger);	5✔
346	TARRAY2_CLEAR(merger->dataIterArr, tsdbIterClose);	15!
347	return 0;	5✔
348	}
349
350	static int32_t tsdbMergeFileSetEnd(SMerger *merger) {	5✔
351	int32_t code = 0;	5✔
352	int32_t lino = 0;	5✔
353
354	TAOS_CHECK_GOTO(tsdbMergeFileSetEndCloseWriter(merger), &lino, _exit);	5!
355
356	TAOS_CHECK_GOTO(tsdbMergeFileSetEndCloseIter(merger), &lino, _exit);	5!
357
358	tsdbMergeFileSetEndCloseReader(merger);	5✔
359
360	// edit file system
361	TAOS_CHECK_GOTO(tsdbFSEditBegin(merger->tsdb->pFS, merger->fopArr, TSDB_FEDIT_MERGE), &lino, _exit);	5!
362
363	(void)taosThreadMutexLock(&merger->tsdb->mutex);	5✔
364	code = tsdbFSEditCommit(merger->tsdb->pFS);	5✔
365	if (code) {	5!
366	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	×
367	TSDB_CHECK_CODE(code, lino, _exit);	×
368	}
369	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	5✔
370
371	_exit:	5✔
372	if (code) {	5!
373	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,	×
374	tstrerror(code));
375	TSDB_ERROR_LOG(TD_VID(merger->tsdb->pVnode), lino, code);	×
376	}
377	return code;	5✔
378	}
379
380	static int32_t tsdbMergeFileSet(SMerger merger, STFileSet fset) {	4✔
381	int32_t code = 0;	4✔
382	int32_t lino = 0;	4✔
383
384	merger->ctx->fset = fset;	4✔
385	TAOS_CHECK_GOTO(tsdbMergeFileSetBegin(merger), &lino, _exit);	4!
386
387	// data
388	SMetaInfo info;
389	SRowInfo *row;
390	merger->ctx->tbid->suid = 0;	5✔
391	merger->ctx->tbid->uid = 0;	5✔
392	while ((row = tsdbIterMergerGetData(merger->dataIterMerger)) != NULL) {	1,308✔
393	if (row->uid != merger->ctx->tbid->uid) {	1,303✔
394	merger->ctx->tbid->uid = row->uid;	12✔
395	merger->ctx->tbid->suid = row->suid;	12✔
396
397	if (metaGetInfo(merger->tsdb->pVnode->pMeta, row->uid, &info, NULL) != 0) {	12!
UNCOV 398	TAOS_CHECK_GOTO(tsdbIterMergerSkipTableData(merger->dataIterMerger, merger->ctx->tbid), &lino, _exit);	×
UNCOV 399	continue;	×
400	}
401	}
402
403	TAOS_CHECK_GOTO(tsdbFSetWriteRow(merger->writer, row), &lino, _exit);	1,303!
404
405	TAOS_CHECK_GOTO(tsdbIterMergerNext(merger->dataIterMerger), &lino, _exit);	1,292!
406	}
407
408	// tomb
409	merger->ctx->tbid->suid = 0;	5✔
410	merger->ctx->tbid->uid = 0;	5✔
411	for (STombRecord *record; (record = tsdbIterMergerGetTombRecord(merger->tombIterMerger)) != NULL;) {	5!
UNCOV 412	if (record->uid != merger->ctx->tbid->uid) {	×
UNCOV 413	merger->ctx->tbid->uid = record->uid;	×
UNCOV 414	merger->ctx->tbid->suid = record->suid;	×
415
UNCOV 416	if (metaGetInfo(merger->tsdb->pVnode->pMeta, record->uid, &info, NULL) != 0) {	×
UNCOV 417	TAOS_CHECK_GOTO(tsdbIterMergerSkipTableData(merger->tombIterMerger, merger->ctx->tbid), &lino, _exit);	×
UNCOV 418	continue;	×
419	}
420	}
UNCOV 421	TAOS_CHECK_GOTO(tsdbFSetWriteTombRecord(merger->writer, record), &lino, _exit);	×
422
UNCOV 423	TAOS_CHECK_GOTO(tsdbIterMergerNext(merger->tombIterMerger), &lino, _exit);	×
424	}
425
426	TAOS_CHECK_GOTO(tsdbMergeFileSetEnd(merger), &lino, _exit);	5!
427
428	_exit:	5✔
429	if (code) {	5!
430	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,	×
431	tstrerror(code));
432	} else {
433	tsdbDebug("vgId:%d %s done, fid:%d", TD_VID(merger->tsdb->pVnode), __func__, fset->fid);	5!
434	}
435	return code;	5✔
436	}
437
438	static int32_t tsdbDoMerge(SMerger *merger) {	7✔
439	int32_t code = 0;	7✔
440	int32_t lino = 0;	7✔
441
442	if (TARRAY2_SIZE(merger->fset->lvlArr) == 0) return 0;	7✔
443
444	SSttLvl *lvl = TARRAY2_FIRST(merger->fset->lvlArr);	6✔
445	if (lvl->level != 0 \|\| TARRAY2_SIZE(lvl->fobjArr) < merger->sttTrigger) {	6!
446	return 0;	1✔
447	}
448
449	TAOS_CHECK_GOTO(tsdbMergerOpen(merger), &lino, _exit);	5!
450	TAOS_CHECK_GOTO(tsdbMergeFileSet(merger, merger->fset), &lino, _exit);	5!
451	TAOS_CHECK_GOTO(tsdbMergerClose(merger), &lino, _exit);	5!
452
453	_exit:	5✔
454	if (code) {	5!
455	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(merger->tsdb->pVnode), __func__, __FILE__, lino,	×
456	tstrerror(code));
457	} else {
458	tsdbDebug("vgId:%d %s done", TD_VID(merger->tsdb->pVnode), __func__);	5!
459	}
460	return code;	5✔
461	}
462
463	static int32_t tsdbMergeGetFSet(SMerger *merger) {	7✔
464	STFileSet *fset;
465	int32_t code;
466	STsdb *tsdb = merger->tsdb;	7✔
467
468	(void)taosThreadMutexLock(&merger->tsdb->mutex);	7✔
469
470	if (tsdb->bgTaskDisabled) {	7!
471	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	×
472	return 0;	×
473	}
474
475	tsdbBeginTaskOnFileSet(tsdb, merger->fid, EVA_TASK_MERGE, &fset);	7✔
476	if (NULL == fset) {	7!
NEW 477	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	×
NEW 478	return 0;	×
479	}
480
481	code = tsdbTFileSetInitCopy(merger->tsdb, fset, &merger->fset);	7✔
482	if (code) {	7!
483	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	×
484	return code;	×
485	}
486
487	fset->mergeScheduled = false;	7✔
488	(void)taosThreadMutexUnlock(&merger->tsdb->mutex);	7✔
489	return 0;	7✔
490	}
491
492	int32_t tsdbMerge(void *arg) {	7✔
493	int32_t code = 0;	7✔
494	int32_t lino = 0;	7✔
495	SMergeArg mergeArg = (SMergeArg )arg;	7✔
496	STsdb *tsdb = mergeArg->tsdb;	7✔
497
498	SMerger merger[1] = {{	7✔
499	.tsdb = tsdb,
500	.fid = mergeArg->fid,	7✔
501	.sttTrigger = tsdb->pVnode->config.sttTrigger,	7✔
502	}};
503
504	if (merger->sttTrigger <= 1) {	7!
NEW 505	return 0;	×
506	}
507
508	// copy snapshot
509	code = tsdbMergeGetFSet(merger);	7✔
510	TSDB_CHECK_CODE(code, lino, _exit);	7!
511
512	if (merger->fset == NULL) {	7!
513	return 0;	×
514	}
515
516	// do merge
517	tsdbInfo("vgId:%d merge begin, fid:%d", TD_VID(tsdb->pVnode), merger->fid);	7!
518	code = tsdbDoMerge(merger);	7✔
519	tsdbInfo("vgId:%d merge done, fid:%d", TD_VID(tsdb->pVnode), mergeArg->fid);	7!
520	TSDB_CHECK_CODE(code, lino, _exit);	7!
521
522	_exit:	7✔
523	if (merger->fset) {	7!
524	(void)taosThreadMutexLock(&tsdb->mutex);	7✔
525	tsdbFinishTaskOnFileSet(tsdb, mergeArg->fid, EVA_TASK_MERGE);	7✔
526	(void)taosThreadMutexUnlock(&tsdb->mutex);	7✔
527	}
528
529	if (code) {	7!
530	tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(tsdb->pVnode), __func__, __FILE__, lino, tstrerror(code));	×
531	tsdbFatal("vgId:%d, failed to merge stt files since %s. code:%d", TD_VID(tsdb->pVnode), terrstr(), code);	×
532	taosMsleep(100);	×
533	exit(EXIT_FAILURE);	×
534	}
535
536	tsdbTFileSetClear(&merger->fset);	7✔
537	taosMemoryFree(arg);	7!
538	return code;	7✔
539	}

taosdata / TDengine / #3562

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