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Viewing changes to storage/ndb/src/kernel/blocks/suma/Suma.txt

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2014-02-12 11:54:27 UTC
  • Revision ID: package-import@ubuntu.com-20140212115427-oq6tfsqxl1wuwehi
Tags: upstream-5.6.15
Import upstream version 5.6.15

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Lines of Context:
storage/ndb/src/kernel/blocks/suma/Suma.txt
 
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Protocols involving SUMA:
 
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USER                      SUMA                    UTIL
 
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========================================================
 
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CREATE_SUBID_REQ
 
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------------------------->
 
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                          UTIL_SEQUENCE
 
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                          ---------------------->
 
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                          <----------------------
 
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CREATE_SUBID_CONF
 
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<-------------------------
 
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USER                      SUMA                    DICT
 
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========================================================
 
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SUB_CREATE_REQ
 
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------------------------->
 
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                          case SelectiveTableSnapshot:
 
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                          GET_TABLEID
 
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                          ---------------------->
 
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                          <----------------------
 
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SUB_CREATE_CONF
 
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<-------------------------
 
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USER                      SUMA                    DICT
 
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========================================================
 
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SUB_SYNC_REQ::MetaData
 
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------------------------->
 
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                          case DatabaseSnapshot:
 
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                          LIST_TABLES
 
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                          ---------------------->
 
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                          <----------------------
 
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for each table...
 
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                          GET_TABINFO
 
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                          ---------------------->
 
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                          <----------------------
 
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SUB_META_DATA                                     DIH
 
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<-------------------------                       =======
 
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                          DI_FCOUNT
 
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                          ---------------------->
 
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                          <----------------------
 
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                          DI_GETPRIM
 
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                          ---------------------->
 
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                          <----------------------
 
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..end for each table
 
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SUB_SYNC_CONF
 
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<-------------------------
 
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USER                      SUMA                    LQH
 
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========================================================
 
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SUB_SYNC_REQ::TableData
 
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------------------------->
 
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for each table...
 
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                          SCAN_FRAG_REQ
 
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                          ---------------------->
 
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                          ATTRINFO
 
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                          ---------------------->
 
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                          SCAN_FRAG_CONF
 
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                          <----------------------
 
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SUB_SYNC_CONTINUE
 
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<-------------------------
 
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------------------------->
 
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                          SCAN_NEXTREQ
 
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                          ---------------------->
 
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...end for each table
 
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??????????
 
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                          SCAN_HBREP
 
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                          <----------------------
 
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USER                      SUMA 
 
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===============================
 
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SUB_START_REQ::MetaData
 
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------------------------->
 
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SUB_START_CONF
 
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<-------------------------
 
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USER                      SUMA                    TUP
 
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========================================================
 
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SUB_START_REQ::TableData
 
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------------------------->
 
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for each table...
 
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                          CREATE_TRIG
 
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                          ---------------------->
 
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                          <----------------------
 
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...end for each table
 
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SUB_START_CONF
 
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<-------------------------
 
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USER                      SUMA                    XXX
 
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========================================================
 
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                          TRANSID_AI
 
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                          <----------------------
 
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SUB_TABLE_DATA
 
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<-------------------------
 
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USER                      SUMA                    XXX
 
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========================================================
 
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                          TRIG_ATTRINFO
 
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                          <----------------------
 
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                          FIRE_TRIG_ORD
 
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                          <----------------------
 
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SUB_TABLE_DATA
 
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<-------------------------
 
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USER                      SUMA                    XXX
 
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========================================================
 
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                          SUB_GCP_COMPLETE_REP
 
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                          <----------------------
 
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SUB_GCP_COMPLETE_REP
 
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<-------------------------
 
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for event only:
 
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SUB_GCP_COMPLETE_ACK
 
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------------------------->
 
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                          when all subscribers have sent ACK on gci
 
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                          send to all other suma's in node group:
 
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                          SUB_GCP_COMPLETE_ACK
 
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                          ---------------------->
 
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USER                      SUMA 
 
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===============================
 
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SUB_STOP_REQ
 
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------------------------->
 
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SUB_STOP_CONF
 
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<-------------------------
 
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USER                      SUMA 
 
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===============================
 
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SUB_REMOVE_REQ
 
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------------------------->
 
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SUB_REMOVE_CONF
 
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<-------------------------
 
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MASTER SUMA               RESTARTING SUMA
 
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=========================================
 
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INCL_NODEREQ
 
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<---------------------------------------------------------
 
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for each subscription...
 
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SUB_CREATE_REQ
 
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------------------------->...
 
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<-------------------------
 
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SUB_SYNC_REQ::MetaData
 
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------------------------->...
 
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<-------------------------
 
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... end for each subscription
 
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                          SUMA_START_ME (sent asynchronously in start phase 5 to all suma's in node group)
 
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<-------------------------
 
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                          ------------------------->
 
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for each subscriber...
 
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SUB_START_REQ (not before SUMA_START_ME)
 
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------------------------->
 
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<-------------------------
 
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... end for each subscriber
 
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SUMA_HANDOVER_REQ
 
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------------------------->
 
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                          SUMA_HANDOVER_CONF (to all suma's in node group)
 
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<-------------------------
 
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                          ------------------------->