Saturday, May 27, 2006

Search Engine Optimization

SE-Tools has some tools for search engine optimization, including checking if your site is listed in the search engines.

Wednesday, May 24, 2006

Commands To Monitor NFS

Commands for monitoring NFS performance.

$ netstat -s -p tcp

$ nfsstat -c

$ nfsstat -m
/u001 from nas002:/client9_u001 (Addr 10.1.22.201)
Flags: vers=3,proto=tcp,auth=unix,hard,intr,link,symlink,devs,rsize=32768,wsize=32768,retrans=5
All: srtt= 0 ( 0ms), dev= 0 ( 0ms), cur= 0 ( 0ms)

/apps from nas002:/client9_apps (Addr 10.1.22.201)
Flags: vers=3,proto=tcp,auth=unix,hard,intr,link,symlink,devs,rsize=32768,wsize=32768,retrans=5
All: srtt= 0 ( 0ms), dev= 0 ( 0ms), cur= 0 ( 0ms)

$ rpcinfo
program version netid address service owner
100000 4 ticots client9.rpc rpcbind superuser
100000 3 ticots client9.rpc rpcbind superuser
100000 4 ticotsord client9.rpc rpcbind superuser
100000 3 ticotsord client9.rpc rpcbind superuser
100000 4 ticlts client9.rpc rpcbind superuser
100000 3 ticlts client9.rpc rpcbind superuser
100000 4 tcp 0.0.0.0.0.111 rpcbind superuser
100000 3 tcp 0.0.0.0.0.111 rpcbind superuser
100000 2 tcp 0.0.0.0.0.111 rpcbind superuser
100000 4 udp 0.0.0.0.0.111 rpcbind superuser
100000 3 udp 0.0.0.0.0.111 rpcbind superuser
100000 2 udp 0.0.0.0.0.111 rpcbind superuser
100024 1 tcp 0.0.0.0.192.0 status superuser
100024 1 udp 0.0.0.0.192.1 status superuser
100021 1 tcp 0.0.0.0.192.1 nlockmgr superuser
100021 1 udp 0.0.0.0.192.2 nlockmgr superuser
100021 3 tcp 0.0.0.0.192.2 nlockmgr superuser
100021 3 udp 0.0.0.0.192.3 nlockmgr superuser
100021 4 tcp 0.0.0.0.192.3 nlockmgr superuser
100021 4 udp 0.0.0.0.192.4 nlockmgr superuser
100020 1 udp 0.0.0.0.15.205 llockmgr superuser
100020 1 tcp 0.0.0.0.15.205 llockmgr superuser
100021 2 tcp 0.0.0.0.192.4 nlockmgr superuser
805306352 1 tcp 0.0.0.0.2.151 - superuser



Not NFS specific:
$ netstat -i
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lo0 4136 loopback localhost 74916346 0 74916352 0 0
lan902 1500 10.1.22.0 client9nas 625727357 0 628752686 0 0
lan901 1500 10.1.18.0 client9afe 835324548 0 538488630 0 0
lan900 1500 10.1.20.0 client9adm 12442786 0 17658172 0 0

Sunday, May 21, 2006

Extract Index DDL

When restoring tables with export/import, it is common to disable any constraints, drop any non-primary key index, and disable any trigger. After the import simply enable constraints, enable triggers, and rebuild any index.

A quick way to get the index DDL is by using the export dump file. Run the dump file through import with the "indexfile" option.
imp file=export.dmp indexfile=index.sql fromuser=theSchemaOwner

File "index.sql" will be created. The tables will be in the file and commented out.

I learned this from Tom's web site.