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This commit is contained in:
Bruce Momjian 1998-06-28 18:59:26 +00:00
parent b15e7df8c9
commit cff7e20467
1 changed files with 7 additions and 6 deletions
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src/tools/backend/index.html
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@ -69,10 +69,11 @@ returned to the client.
There are many other modules that support this basic functionality.
They can be accessed by clicking on the flowchart.
<P>
Another area of interest is the shared memory area, containing
table data/index blocks, locks, and backend information:
Another area of interest is the shared memory area, containing table
data/index blocks, locks, backend information, and lookup tables for
these structures:
<UL>
<LI>ShmemIndex - lookup of shared memory addresses using structure names
<LI>ShmemIndex - lookup shared memory addresses using structure names
<LI><A HREF="../../include/storage/buf_internals.h">Buffer
Descriptors</A> - control header for buffer cache block
<LI><A HREF="../../include/storage/buf_internals.h">Buffer Blocks</A> -
@ -83,10 +84,10 @@ BufferTag</A>)
<LI><A HREF="../../include/storage/lock.h">LockTable (ctl)</A> - lock table
structure, specifiying table, lock types, and backends holding or
waiting on lock
<LI>LockTable (lock hash) - lookup of LockTable structures using relation
and database object ids
<LI>LockTable (lock hash) - lookup of LockTable structures using relation,
database object ids
<LI>LockTable (xid hash) - lookup of LockTable structures using
transaction id
transaction id, LockTable address
<LI><A HREF="../../include/storage/proc.h">Proc Header</A> - information
about each backend, including locks held/waiting, indexed by process id
</UL>