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PuppetDB: One Year Faster - PuppetConf 2014
1.
PuppetDB (ノ°ヮ°)ノ*:・゚✧2014 ✧
2.
RUN PDB
3.
deepak giridharagopal deepak @puppetlabs.com @grim_radical
4.
Puppet agent Puppet master facts PuppetDBPuppetDB
5.
Puppet agent Puppet master facts PuppetDBPuppetDB
6.
Puppet agent Puppet master PuppetDBfacts PuppetDB
7.
Puppet agent Puppet master facts PuppetDB PuppetDB
8.
Puppet agent Puppet master facts PuppetDBPuppetDB Yum!
9.
Puppet agent Puppet master PuppetDBPuppetDB
10.
Puppet agent Puppet master PuppetDBPuppetDB catalogcatalog
11.
catalog Puppet agent Puppet master PuppetDBPuppetDB catalog
12.
catalog Puppet agent Puppet master PuppetDB PuppetDB catalog
13.
Puppet agent catalog Puppet master facts PuppetDBPuppetDB Yum!
14.
Puppet agent Puppet master PuppetDBPuppetDB catalog
15.
Puppet agent Puppet master PuppetDBPuppetDB report
16.
Puppet agent Puppet master PuppetDBPuppetDB report
17.
report Puppet agent Puppet master PuppetDBPuppetDB
18.
report Puppet agent Puppet master PuppetDB PuppetDB
19.
Puppet agent Puppet master facts PuppetDBPuppetDB Yum!
20.
Puppet agent Puppet master PuppetDBPuppetDB
21.
22.
Puppet master catalog PuppetDB catalog
23.
Puppet master catalog PuppetDB catalog
24.
Puppet master PuppetDB catalog
25.
catalog Puppet master PuppetDB catalog
26.
Puppet master PuppetDcatalog
27.
catalog Puppet master PuppetDcatalog
28.
Puppet master Pupcatalog
29.
catalog Puppet master Pupcatalog
30.
Software should be self-regulating
31.
goo.comfoo.com bar.com STORAGE bar.com Self-regulating catalog
& fact storage!
32.
goo.comfoo.com bar.com STORAGE bar.combar.combar.combar.com Self-regulating report
storage!
33.
goo.comfoo.com bar.com STORAGE Self-regulating node
storage!
34.
goo.comfoo.com bar.com STORAGE bar.com Deduplication of
catalogs! foo.com goo.com
35.
/commands MQ Parse Delayed Dead
Letter Office Process UUID
36.
Querying
37.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/resources
38.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/resources/Service
39.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/resources/Service/foo
40.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/nodes/foo.com/resources
41.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/nodes/foo.com/resources /Package
42.
File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo
foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] baz.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] goo.com /v4/nodes/foo.com/resources /Package/foo
43.
• Can query
facts, nodes, resources, reports, events, metrics • Advanced queries via AST- based language • Aggregates, ordering, paging, streaming, subqueries
44.
45.
A long time
ago in a galaxy far, far away… ! ! uh, like here a year ago…
46.
Just released 1.4.0, Around
11k deployments, Basic streaming support, Other stuff…
47.
We’ve been busy!
48.
Soft write failures Paging
support Resource containment paths in events Event aggregates Differential fact storage
49.
Differential edge storage Pervasive
streaming of query results 3dfx Voodoo2 and Soundblaster AWE32 support Improved de-duplication
50.
Resource parameter caching PostgreSQL
Hot Standby support for faster reads Debugging of de-duplication algorithm Full director’s commentary
51.
Compressed responses A pony Certificate
chain support Support for puppet environments Event subqueries
52.
Prepared statement caching Direct
POST of json data in terminus Brings Aeris from Final Fantasy VII back to life Profiling support for terminus
53.
Faster message parsing Structured
fact storage and querying Unified query subsystem in v4 API Riker’s beard
54.
docs.puppetlabs.com/ puppetdb/latest/ release_notes.html
55.
We can’t get
through that entire list, but I’ll try to highlight a few shiny bits
56.
1. Differential storage
57.
goo.comfoo.com bar.com STORAGE bar.comfoo.com
58.
bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[zzz] Exec[echo foo] Exec[echo bar]
59.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[zzz] Exec[echo
foo] Exec[echo bar]
60.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[zzz] Exec[echo
foo] Exec[echo bar]
61.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[zzz] Exec[echo
foo] Exec[echo bar]
62.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] bar.com File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[zzz] Exec[echo
foo] Exec[echo bar]
63.
• Edges and
facts, too • Trades reads for writes, which is a good tradeoff. • PostgreSQL’s heap-only- tuples help a lot.
64.
~90%fewer writes
65.
66.
Thanks to the
folks at Spotify, the community, etc. that helped us with this!
67.
2. More effective de-duplication
68.
Order matters!
69.
{"foo" => "goo", "bar"
=> "baz"} {"bar" => "baz", "foo" => "goo"} 904d4d… 11c05d…
70.
• Restructuring data
prior to hashing results in much fewer false negatives • The fastest way to persist data is to already have it persisted!
71.
~60-70%boost for users with
ordinarily low dedupe rates
72.
Thanks to the
folks at CERN that helped us debug this!
73.
3. Hot standby
74.
PuppetDB PostgreSQL WRITE READ
75.
PuppetDB PostgreSQL WRITE READ PostgreSQL standby REPLICATION
76.
Less I/O contention
for reads and writes yields better throughput
77.
3. Environment support
78.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com TEST bar.com PROD
79.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com TEST bar.com PROD
80.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com TEST bar.com PROD All
Files, please! Anything for you! !
81.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo
bar] foo.com TEST bar.com PROD WTF?! I’m trying my best! !
82.
STORAGE File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com TEST bar.com PROD All
Files for env TEST, plz! Anything for you! ! File[/foo]
83.
STORAGE File[/foo] File[/bar] Package[foo] Package[bar] Service[foo] Service[bar] Exec[echo foo] Exec[echo bar] foo.com TEST bar.com PROD Thanks! We’re
friends again! ❤️
84.
• Any reception
or transmission of data now includes the environment where possible • Queries can be isolated to a single environment
85.
3. Unified query engine
86.
PuppetDB Parse Map valid fields Map valid operators Compile
to SQL PostgreSQL Parse Map valid fields Map valid operators Compile to SQL Parse Map valid fields Map valid operators Compile to SQL Parse Map valid fields Map valid operators Compile to SQL Facts Resources Nodes Reports Parse Map valid fields Map valid operators Compile to SQL Events QUERY
87.
PuppetDB Parse to AST Term rewriting Apply operators Compile
to SQL PostgreSQL QUERY
88.
• Common query
engine underpinning v4 API • Operators are available uniformly across all v4 endpoints • We can add new endpoints and fields much faster
89.
4. Structured/Trusted fact support
90.
{ "cpus" : { "cpu1"
: { "bogomips": 6000, } }, "networking" : { "eth0" : { "ipaddresses" : [ "1.1.1.5" ], "macaddresses" : [ "aa:bb:cc:dd:ee:00" ] } } }
91.
["=", "path", ["networking", "eth0", "macaddresses", 0]]
92.
["~>", "path", ["networking", "eth.*", "macaddresses", ".*"]]
93.
! • PostgreSQL’s pg_trgm
index • Trusted facts
94.
So where are
we now?
95.
More features, but
also more speed
96.
Language bindings: Ruby, Python, JavaScript,
C/C++, Go, Clojure, Java…
97.
Trapperkeeper https://github.com/puppetlabs/trapperkeeper
98.
Puppetboard https://github.com/nedap/puppetboard
99.
Puppet Explorer https://github.com/spotify/puppetexplorer
100.
A new deployment every
10 minutes
101.
Coming soon: more efficient
GC
102.
Coming soon: simplified query
syntax
103.
Coming soon: historical data
104.
Thanks!
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