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Last modified by Robert Schaub on 2026/02/08 08:32
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edited by Robert Schaub
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To version 1.4
edited by Robert Schaub
on 2026/02/08 08:32
Change comment: Updated parent field.

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1 -FactHarbor.Specification.WebHome
1 +xwiki:Archive.FactHarbor 2026\.02\.08.Specification.WebHome
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1 1  = When to Add Complexity =
2 +
2 2  FactHarbor starts simple and adds complexity **only when metrics prove it's necessary**. This page defines clear triggers for adding deferred features.
3 3  **Philosophy**: Let data and user feedback drive complexity, not assumptions about future needs.
5 +
4 4  == 1. Add Elasticsearch ==
7 +
5 5  **Current**: PostgreSQL full-text search
6 6  **Add Elasticsearch when**:
10 +
7 7  * ✅ PostgreSQL search queries consistently >500ms
8 8  * ✅ Search accounts for >20% of total database load
9 9  * ✅ Users complain about search speed
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18 18  * Profile slow queries
19 19  * Consider query result caching
20 20  * Estimate Elasticsearch costs
21 -**Implementation effort**: ~
25 +**Implementation effort**:
26 +
22 22  == 2. Add TimescaleDB ==
28 +
23 23  **Current**: PostgreSQL with time-series data in regular tables
24 24  **Add TimescaleDB when**:
31 +
25 25  * ✅ Metrics queries consistently >1 second
26 26  * ✅ Metrics tables >100GB
27 27  * ✅ Need for time-series specific features (continuous aggregates, data retention policies)
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36 36  * Implement query result caching
37 37  * Consider data aggregation strategies
38 38  * Profile slow metrics queries
39 -**Implementation effort**: ~
46 +**Implementation effort**:
47 +
40 40  == 3. Add Federation ==
49 +
41 41  **Current**: Single-node deployment with read replicas
42 42  **Add Federation when**:
52 +
43 43  * ✅ 10,000+ users on single node
44 44  * ✅ Users explicitly request ability to run own instances
45 45  * ✅ Geographic latency becomes significant problem (>200ms)
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56 56  * Add read replicas in multiple regions
57 57  * Implement CDN for static content
58 58  * Survey users about federation interest
59 -**Implementation effort**: ~ (major undertaking)
69 +**Implementation effort**: (major undertaking)
70 +
60 60  == 4. Add Complex Reputation System ==
72 +
61 61  **Current**: Simple manual roles (Reader, Contributor, Moderator, Admin)
62 62  **Add Complex Reputation when**:
75 +
63 63  * ✅ 100+ active contributors
64 64  * ✅ Manual role management becomes bottleneck (>5 hours/week)
65 65  * ✅ Clear patterns of abuse require automated detection
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75 75  * Identify most time-consuming tasks
76 76  * Prototype automated reputation algorithm
77 77  * Get community feedback on proposal
78 -**Implementation effort**: ~
91 +**Implementation effort**:
92 +
79 79  == 5. Add Many-to-Many Scenarios ==
94 +
80 80  **Current**: Scenarios belong to single claims (one-to-many)
81 81  **Add Many-to-Many Scenarios when**:
97 +
82 82  * ✅ Users request "apply this scenario to other claims"
83 83  * ✅ Clear use cases for scenario reuse emerge
84 84  * ✅ Scenario duplication becomes significant storage issue
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93 93  * Design junction table schema
94 94  * Plan data migration strategy
95 95  * Consider query performance impact
96 -**Implementation effort**: ~
112 +**Implementation effort**:
113 +
97 97  == 6. Add Full Versioning System ==
115 +
98 98  **Current**: Simple audit trail (before/after values, who/when/why)
99 99  **Add Full Versioning when**:
118 +
100 100  * ✅ Users request "see complete version history"
101 101  * ✅ Users request "restore to specific previous version"
102 102  * ✅ Need for branching and merging emerges
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111 111  * Plan storage optimization (delta compression)
112 112  * Consider UI/UX for version history
113 113  * Estimate storage and performance impact
114 -**Implementation effort**: ~
133 +**Implementation effort**:
134 +
115 115  == 7. Add Graph Database ==
136 +
116 116  **Current**: Relational data model in PostgreSQL
117 117  **Add Graph Database when**:
139 +
118 118  * ✅ Complex relationship queries become common
119 119  * ✅ Need for multi-hop traversals (friend-of-friend, citation chains)
120 120  * ✅ PostgreSQL recursive queries too slow
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129 129  * Consider graph extensions for PostgreSQL
130 130  * Profile slow relationship queries
131 131  * Evaluate Neo4j vs alternatives
132 -**Implementation effort**: ~
154 +**Implementation effort**:
155 +
133 133  == 8. Add Real-Time Collaboration ==
157 +
134 134  **Current**: Asynchronous edits with eventual consistency
135 135  **Add Real-Time Collaboration when**:
160 +
136 136  * ✅ Users request simultaneous editing
137 137  * ✅ Conflict resolution becomes frequent issue
138 138  * ✅ Need for live updates during editing sessions
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147 147  * Consider WebSocket infrastructure
148 148  * Plan UI/UX for real-time editing
149 149  * Estimate server resource requirements
150 -**Implementation effort**: ~
175 +**Implementation effort**:
176 +
151 151  == 9. Add Machine Learning Pipeline ==
178 +
152 152  **Current**: Rule-based quality scoring and LLM-based analysis
153 153  **Add ML Pipeline when**:
181 +
154 154  * ✅ Need for custom models beyond LLM APIs
155 155  * ✅ Opportunity for specialized fine-tuning
156 156  * ✅ Cost savings from specialized models
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165 165  * Experiment with fine-tuning approaches
166 166  * Estimate cost savings vs infrastructure costs
167 167  * Consider model hosting options
168 -**Implementation effort**: ~
196 +**Implementation effort**:
197 +
169 169  == 10. Add Blockchain/Web3 Integration ==
199 +
170 170  **Current**: Traditional database with audit logs
171 171  **Add Blockchain when**:
202 +
172 172  * ✅ Need for immutable public audit trail
173 173  * ✅ Decentralized verification demanded
174 174  * ✅ Token economics would add value
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184 184  * Consider costs (gas fees, infrastructure)
185 185  * Design token economics carefully
186 186  * Study successful Web3 content platforms
187 -**Implementation effort**: ~
218 +**Implementation effort**:
219 +
188 188  == Decision Framework ==
221 +
189 189  **For any complexity addition, ask**:
223 +
190 190  ==== Do we have data? ====
225 +
191 191  * Metrics showing current system inadequate?
192 192  * User requests documenting need?
193 193  * Performance problems proven?
229 +
194 194  ==== Have we exhausted simpler options? ====
231 +
195 195  * Optimization of current system?
196 196  * Configuration tuning?
197 197  * Simple workarounds?
235 +
198 198  ==== Do we understand the cost? ====
237 +
199 199  * Implementation time realistic?
200 200  * Ongoing maintenance burden?
201 201  * Infrastructure costs?
202 202  * Technical debt implications?
242 +
203 203  ==== Is the timing right? ====
244 +
204 204  * Core product stable?
205 205  * Team capacity available?
206 206  * User demand strong enough?
207 207  **If all four answers are YES**: Proceed with complexity addition
208 208  **If any answer is NO**: Defer and revisit later
250 +
209 209  == Monitoring Dashboard ==
252 +
210 210  **Recommended metrics to track**:
211 211  **Performance**:
255 +
212 212  * P95/P99 response times for all major operations
213 213  * Database query performance
214 214  * AKEL processing time
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233 233  * Moderation workload
234 234  * Feature requests by category
235 235  * Abuse incident rate
280 +
236 236  == Quarterly Review Process ==
282 +
237 237  **Every quarter, review**:
284 +
238 238  1. **Metrics dashboard**: Are any triggers close to thresholds?
239 239  2. **User feedback**: What features are most requested?
240 240  3. **Performance**: What's slowing down?
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241 241  4. **Costs**: What's most expensive?
242 242  5. **Team capacity**: Can we handle new complexity?
243 243  **Decision**: Prioritize complexity additions based on:
291 +
244 244  * Urgency (current pain vs future optimization)
245 245  * Impact (user benefit vs internal efficiency)
246 246  * Effort (quick wins vs major projects)
247 247  * Dependencies (prerequisites needed)
296 +
248 248  == Related Pages ==
298 +
249 249  * [[Design Decisions>>FactHarbor.Specification.Design-Decisions]]
250 -* [[Architecture>>FactHarbor.Specification.Architecture.WebHome]]
251 -* [[Data Model>>FactHarbor.Specification.Data Model.WebHome]]
300 +* [[Architecture>>Archive.FactHarbor 2026\.02\.08.Specification.Architecture.WebHome]]
301 +* [[Data Model>>Archive.FactHarbor 2026\.02\.08.Specification.Data Model.WebHome]]
252 252  ## Remember
253 253  **Build what you need now. Measure everything. Add complexity only when data proves it's necessary.**
254 -The best architecture is the simplest one that works for current needs. 🎯
304 +The best architecture is the simplest one that works for current needs. 🎯##