More fixes for 8.4 DTrace probes. Remove useless BUFFER_HIT/BUFFER_MISS
probes --- the BUFFER_READ_DONE probe provides the same information and more besides. Expand the LOCK_WAIT_START/DONE probe arguments so that there's actually some chance of telling what is being waited for. Update and clean up the documentation.
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- doc/src/sgml/installation.sgml 13 additions, 12 deletionsdoc/src/sgml/installation.sgml
- doc/src/sgml/monitoring.sgml 252 additions, 172 deletionsdoc/src/sgml/monitoring.sgml
- src/backend/storage/buffer/bufmgr.c 1 addition, 15 deletionssrc/backend/storage/buffer/bufmgr.c
- src/backend/storage/lmgr/lock.c 13 additions, 3 deletionssrc/backend/storage/lmgr/lock.c
- src/backend/utils/probes.d 3 additions, 5 deletionssrc/backend/utils/probes.d
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