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Chewing through GBIF species occurrence data like lemurs, fossa (cryptoprocta ferox) is a cat-like carnivorous mammal from Madagascar

Clojure 100.00%

fossa's Issues

Tuple size limit

Need to know the tuple size limit. Some of our names will create tuples over that limit, so we'll need to detect that limit and run a workaround.

CartoDB upload

Let's hook in our cartodb-clj lib so that we can push the INSERT lines from #4 directly to CartoDB. We can do it during the query or from the resulting text files.

Insert names and counts to CartoDB

In #27 we ran a query for unique Scientific names and their counts. Bootstrap the gbif_points table by uploading these tuples to CartoDB. The resulting rows will get updated with multiple updates (see #24).

validate raw latitude & longitude as numeric

Looks like some of the latlons in the raw GBIF data are non-numeric. I'd like to filter out bad values for now, but we should also look at the incoming data to see why we're seeing values like 0:0 for latitude.

cascading.pipe.OperatorException: [1e1c1d25-6153-4f9e-840...][sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)] operator Each failed executing operation
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:94)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:38)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:60)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:33)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:60)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:33)
    at cascading.flow.stream.FunctionEachStage$1.collect(FunctionEachStage.java:67)
    at cascading.tuple.TupleEntryCollector.safeCollect(TupleEntryCollector.java:93)
    at cascading.tuple.TupleEntryCollector.add(TupleEntryCollector.java:86)
    at cascading.operation.Identity.operate(Identity.java:110)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:38)
    at cascading.flow.stream.FunctionEachStage$1.collect(FunctionEachStage.java:67)
    at cascading.tuple.TupleEntryCollector.safeCollect(TupleEntryCollector.java:93)
    at cascading.tuple.TupleEntryCollector.add(TupleEntryCollector.java:86)
    at cascading.operation.Identity.operate(Identity.java:110)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:38)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:60)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:33)
    at cascading.flow.stream.FunctionEachStage$1.collect(FunctionEachStage.java:67)
    at cascading.tuple.TupleEntryCollector.safeCollect(TupleEntryCollector.java:93)
    at cascading.tuple.TupleEntryCollector.add(TupleEntryCollector.java:86)
    at cascalog.ClojureMap.operate(ClojureMap.java:35)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:38)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:60)
    at cascading.flow.stream.FilterEachStage.receive(FilterEachStage.java:33)
    at cascading.flow.stream.FunctionEachStage$1.collect(FunctionEachStage.java:67)
    at cascading.tuple.TupleEntryCollector.safeCollect(TupleEntryCollector.java:93)
    at cascading.tuple.TupleEntryCollector.add(TupleEntryCollector.java:86)
    at cascading.operation.Identity.operate(Identity.java:110)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:38)
    at cascading.flow.stream.SourceStage.map(SourceStage.java:102)
    at cascading.flow.stream.SourceStage.run(SourceStage.java:58)
    at cascading.flow.hadoop.FlowMapper.run(FlowMapper.java:124)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:441)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:377)
    at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:396)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
    at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: java.lang.RuntimeException: java.lang.NumberFormatException: Invalid number: 0:0
    at cascalog.ClojureCascadingBase.applyFunction(ClojureCascadingBase.java:71)
    at cascalog.ClojureMap.operate(ClojureMap.java:34)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    ... 43 more
Caused by: java.lang.NumberFormatException: Invalid number: 0:0
    at clojure.lang.LispReader.readNumber(LispReader.java:253)
    at clojure.lang.LispReader.read(LispReader.java:171)
    at clojure.lang.RT.readString(RT.java:1707)
    at clojure.core$read_string.invoke(core.clj:3361)
    at clojure.lang.Var.invoke(Var.java:415)
    at clojure.lang.AFn.applyToHelper(AFn.java:161)
    at clojure.lang.Var.applyTo(Var.java:532)
    at cascalog.ClojureCascadingBase.applyFunction(ClojureCascadingBase.java:68)
    ... 45 more

Cleanup branches

I think it's safe, but can we blast all feature branches other than feathre/fix-4?

Unique names and points

In the output, we want only unique names. Then for each unique name, we want only unique points in the MULTIPOINT.

Query for unique name counts

Write and run a Cascalog query against GBIF that outputs a textline of unique name counts. For example:

passer domesticus 1500000
puma concolor 23000
...

See #24 for context.

Stress test schema

Basically for each unique name we'll store a MULTIPOINT of all unique points. We'll also store an array of OccurrenceID strings, one per point. For points with multiple IDs, the value will be a list of CSV IDs. The max points to test is 2 million.

Here's how to create the table on CartoDB:

  1. Create polygon table in CartoDB dashboard
  2. SELECT AddGeometryColumn('points', 'the_geom_multipoint', 4326, 'MULTIPOINT', 2)
  3. ALTER TABLE points ADD COLUMN occids text[]

Then we need to load in 2 million points like this:

INSERT INTO points (name, occids, the_geom_multipoint) values ('testname', '{"1","10,11,12,13"}', st_geomfromtext('MULTIPOINT ((0.896666666667 9.93166666667), (19.583334 47.166668))', 4326))

And finally test the performance of this query:

SELECT (ST_DumpPoints(ST_Transform(t.the_geom_multipoint,3857))).geom as the_geom_webmercator, unnest(t.occids) from gbif_points_test as t WHERE t.name = 'testname'

If the performance isn't great, Vizz thinks we might consider unpacking points to a new table once they are uploaded.

screen latlons more effectively

These latlon pairs are problems:

-14.21  -6.77973E+12
10716879872 -84983709696

A representative stacktrace for the second case follows. Fortunately there are only maybe 250 of these. But they aren't handled cleanly at the moment.

There are a couple of data we need to be handling. First, the lat or lon could be missing entirely (i.e. "\N" or "N"). Then they could be valid numbers, but have type conversion and formatting issues (e.g. for very large numbers). Then they could simply be outside the valid latlon ranges (i.e. off the map).

Latlons should probably just be handled totally separately from other fields.

Caused by: java.lang.NumberFormatException: For input string: "-6779730000000"
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
    at java.lang.Integer.parseInt(Integer.java:461)
    at java.lang.Integer.parseInt(Integer.java:499)
    at fossa.utils$handle_zeros.invoke(utils.clj:157)
    at fossa.utils$round_to.invoke(utils.clj:168)
    at clojure.lang.AFn.applyToHelper(AFn.java:163)
    at clojure.lang.AFn.applyTo(AFn.java:151)
    at clojure.core$apply.invoke(core.clj:603)
    at clojure.core$partial$fn__444.doInvoke(core.clj:2343)
    at clojure.lang.RestFn.invoke(RestFn.java:408)
    at clojure.core$map$fn__465.invoke(core.clj:2432)
    at clojure.lang.LazySeq.sval(LazySeq.java:42)
    at clojure.lang.LazySeq.seq(LazySeq.java:60)
    at clojure.lang.RT.seq(RT.java:473)
    at clojure.core$seq.invoke(core.clj:133)
    at clojure.core$concat$fn__106.invoke(core.clj:662)
    at clojure.lang.LazySeq.sval(LazySeq.java:42)
    at clojure.lang.LazySeq.seq(LazySeq.java:60)
    at clojure.lang.LazySeq.toArray(LazySeq.java:140)
    at cascalog.Util.coerceToTuple(Util.java:116)
    at cascalog.ClojureMap.operate(ClojureMap.java:35)
    at cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:86)
    ... 49 more

Change Cascalog query output to INSERT statements

We basically want to output INSERT statement lines from the Cascalog query.

For a result vector:

[["Acidobacteria" 
 ["242135095" "244666043"] 
 "MULTIPOINT ((9.93166666667 0.896666666667), (15.509722 73.88306))"]]

We would get:

INSERT INTO gbif_points (name, occids, the_geom_multipoint) values ('Acidobacteria', '{"242135095", "244666043"}', ST_GeomFromText('MULTIPOINT ((9.93166666667 0.896666666667), (15.509722 73.88306))', 4326))

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