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--- host.flags	2018-01-16 13:09:27.257621324 +0000
+++ container.flags	2018-01-16 13:12:20.832503747 +0000
@@ -56,7 +56,7 @@
      bool C1ProfileInlinedCalls                    = true                                  {C1 product} {default}
      bool C1ProfileVirtualCalls                    = true                                  {C1 product} {default}
      bool C1UpdateMethodData                       = true                                  {C1 product} {default}
-     intx CICompilerCount                          = 18                                       {product} {ergonomic}
+     intx CICompilerCount                          = 15                                       {product} {ergonomic}
      bool CICompilerCountPerCPU                    = true                                     {product} {default}
      bool CITime                                   = false                                    {product} {default}

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FROM debian:sid-slim
ADD jdk-10-ea+39_linux-x64_bin.tar.gz /java
ENTRYPOINT ["/java/jdk-10/bin/jshell", "-q"]

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NB this moved to https://docs.google.com/spreadsheets/d/1v_3tHbRJyLBEzdJQ1JMtOdNVOZG9DhH0f1lIxgLYdqs/edit?usp=sharing

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public class Convert {
  public static void main(String args[]) throws Throwable {
    int i;
    boolean inParams = false;
    while ((i = System.in.read()) >= 0) {
      switch (i) {
      case ':':
        continue; // skip
      case '/':
        if (!inParams) {

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;; A polynomial was produced by my GP to fit points generated by this function in the range [-10 <= a < 10]:

(def archetype (fn [a] (if (pos? a) 1 0)))

;; The results

(clojure.pprint/pprint (for [x (range -10 10)] (generated x)))
;; => (-0.00350264540310313
;;     0.0024697321715263917
;;     -0.0034714670565933682

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Test	Implementation
2 is prime	return true;
3 is prime	return true;
4 is not prime	return n!=4;
5 is prime	return n!=4;
6 is not prime	return true unless n is even
7 is prime	return true unless n is even
8 is not prime	return true unless n is even

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;; Rewrite of https://en.wikipedia.org/wiki/A*_search_algorithm#Pseudocode in a functional way

#?(:cljs (def INFINITY 9007199254740991)) ;; Math.pow(2,53)-1
#?(:clj  (def INFINITY Integer/MAX_VALUE))

(defn a*
  ([graph start goal heuristic] (a* graph start goal heuristic
                                    #{start} #{} {}
                                    {start 0} {start (heuristic start goal)}))
  ([graph start goal h

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(defn ensure-ns [ns-name]
  (when-not (find-ns (symbol ns-name))
            (.setDynamic
              (intern (create-ns (symbol ns-name)) '*me* "never-seen")))
  (the-ns (symbol ns-name)))

(defn eval-w-bindings [user-code ns-name user]
  (let [my-ns (ensure-ns ns-name)]
    (with-bindings {#'*ns* my-ns
                    (ns-resolve my-ns '*me*) user}

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(when (not (find-ns 'mattermost))
    (.setDynamic                                     ;; <- This horrific interop into Var.java to counter
      (intern (create-ns 'mattermost)                ;;    CLJ-951, which is a closed/wishlist bug reporting that
              (with-meta '*me* {:dynamic true})      ;; <- this is actually not propagated fully (is, in fact, useless) :(
              "foo")))

(defn eval-w-bindings [str user]
  (binding [*ns* (create-ns 'mattermost)
            mattermost/*me* user]
          (clojure.core/refer 'clojure.core)

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Recently we noticed that the "check-tempest-dsvm-multinode-full" job, which is non-voting in nova's check jobs, was failing in a new way.

Some notes about how the failure was diagnosed:

1. Job is failing
2. why? find a signature for the failure, eg

File "tempest/api/compute/admin/test_live_migration.py", line 116, in test_live_block_migration"