{"id":2101,"date":"2020-06-11T16:13:02","date_gmt":"2020-06-11T08:13:02","guid":{"rendered":"https:\/\/coderbee.net\/?p=2101"},"modified":"2020-07-08T21:49:53","modified_gmt":"2020-07-08T13:49:53","slug":"hikaricp-%e8%bf%9e%e6%8e%a5%e6%b1%a0-%e9%ab%98%e6%80%a7%e8%83%bd%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/concurrent\/20200611\/2101","title":{"rendered":"HikariCP \u8fde\u63a5\u6c60&#8211;\u9ad8\u6027\u80fd\u6570\u636e\u7ed3\u6784"},"content":{"rendered":"<p><a href=\"https:\/\/github.com\/brettwooldridge\/HikariCP\">HikariCP<\/a>\uff0c\u65e5\u8bed\u7684\u542b\u4e49\u662f\u201c\u5149\u201d\uff0c\u53f7\u79f0\u76ee\u524d\u6700\u5feb\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3002<\/p>\n<p>\u5b83\u7684\u9ad8\u6027\u80fd\u6765\u81ea\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n<ol>\n<li>\u5229\u7528 Javassist \u5728\u5b57\u8282\u7801\u5c42\u9762\u4f18\u5316\u4ee3\u7406\u5bf9\u8c61\u7684\u521b\u5efa\uff0c\u63d0\u5347\u4ee3\u7406\u5bf9\u8c61\u7684\u8c03\u7528\u6027\u80fd\u3002<\/li>\n<li>\u5728\u6570\u636e\u7ed3\u6784\u4e0a\u91c7\u7528\u5b9a\u5236\u7684 <code>FastList<\/code> \u548c <code>ConcurrentBag<\/code> \u6765\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ol>\n<p>\u672c\u6587\u4e3b\u8981\u5173\u6ce8\u8fd9\u4e24\u79cd\u6570\u636e\u7ed3\u6784\u7684\u5b9e\u73b0\u3002<\/p>\n<h1>1. FastList<\/h1>\n<p>\u6211\u4eec\u7528 JDBC \u7f16\u7a0b\u7684\u65f6\u5019\uff0c\u9996\u5148\u662f\u83b7\u53d6 <code>Connection<\/code>\u3001\u521b\u5efa <code>Statement<\/code>\u3001\u6267\u884c\u67e5\u8be2\u5f97\u5230 <code>ResultSet<\/code>\uff0c\u6267\u884c\u5b8c\u6210\u540e\u4f9d\u6b21\u5173\u95ed\uff1a<code>ResultSet<\/code>\u3001<code>Statement<\/code>\u3001<code>Connection<\/code>\uff0c\u7279\u522b\u662f\u4e00\u4e2a\u903b\u8f91\u91cc\u521b\u5efa\u4e86\u591a\u4e2a <code>PreparedStatement<\/code> \u65f6\uff0c\u4e00\u822c\u7528\u5b8c\u5c31\u5173\u95ed\u3002<\/p>\n<p>\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u5fd8\u4e86\u5173\u95ed <code>Statement<\/code>\u3001<code>ResultSet<\/code>\uff0c\u8fde\u63a5\u6c60\u9700\u8981\u8ddf\u8e2a\u521b\u5efa\u7684 <code>Statement<\/code>\u3001<code>ResultSet<\/code>\uff0c\u5728\u8fde\u63a5\u8fd4\u56de\u5230\u8fde\u63a5\u6c60\u65f6\u5173\u95ed\u8fd9\u4e24\u7c7b\u8d44\u6e90\u3002<\/p>\n<pre><code class=\"java\">public abstract class ProxyConnection implements Connection\n{\n    \/\/ \u8ddf\u8e2a\u672c\u8fde\u63a5\u521b\u5efa\u7684\u8bed\u53e5\n    private final FastList&lt;Statement&gt; openStatements;\n\n   private synchronized &lt;T extends Statement&gt; T trackStatement(final T statement) {\n      openStatements.add(statement);\n      return statement;\n   }\n\n   \/\/ Statement \u5173\u95ed\u65f6\u56de\u8c03\u6b64\u65b9\u6cd5\n   final synchronized void untrackStatement(final Statement statement) {\n      openStatements.remove(statement);\n   }\n\n   \/\/ \u521b\u5efa\u8bed\u53e5\u65f6\u52a0\u5165\u8ddf\u8e2a\u5217\u8868\n   public Statement createStatement() throws SQLException {\n      return ProxyFactory.getProxyStatement(this, trackStatement(delegate.createStatement()));\n   }\n\n    \/\/ Connection.close \u65b9\u6cd5\u56de\u8c03\u6b64\u65b9\u6cd5\u5173\u95ed\u6253\u5f00\u7684\u8bed\u53e5\n    private synchronized void closeStatements() {\n      final int size = openStatements.size();\n      if (size &gt; 0) {\n         for (int i = 0; i &lt; size &amp;&amp; delegate != ClosedConnection.CLOSED_CONNECTION; i++) {\n            \/\/ \u5229\u7528 try-with-resources \u673a\u5236\u8fdb\u884c\u5173\u95ed\n            try (Statement ignored = openStatements.get(i)) {\n               \/\/ automatic resource cleanup\n            } catch (SQLException e) {\n               LOGGER.warn(\"{} - Connection {} marked as broken because of an exception closing open statements during Connection.close()\",\n                           poolEntry.getPoolName(), delegate);\n               leakTask.cancel();\n               poolEntry.evict(\"(exception closing Statements during Connection.close())\");\n               \/\/ \u5305\u88c5\u7684\u4ee3\u7406\u5bf9\u8c61\u4e0d\u518d\u6301\u6709\u5e95\u5c42\u7684\u8fde\u63a5\n               delegate = ClosedConnection.CLOSED_CONNECTION;\n            }\n         }\n\n         openStatements.clear();\n      }\n}\n<\/code><\/pre>\n<p>\u5173\u95ed\u7684\u987a\u5e8f\u8ddf\u521b\u5efa\u7684\u987a\u5e8f\u662f\u76f8\u53cd\u7684\uff0c\u8981\u5173\u95ed\u5e76\u79fb\u9664\u7684\u5bf9\u8c61\u4e00\u822c\u5728\u5217\u8868\u7684\u672b\u5c3e\u3002\u800c <code>ArrayList<\/code> \u7684\u79fb\u9664\u5bf9\u8c61\u662f\u4ece\u5217\u8868\u5934\u90e8\u5f00\u59cb\u7684\uff0c\u5728\u8fd9\u79cd\u573a\u666f\u4e0b\u4e0d\u9ad8\u6548\u3002<code>FastList<\/code> \u7684\u5b9e\u73b0\u662f\u9006\u5e8f\u67e5\u627e\u8981\u5220\u9664\u5bf9\u8c61\uff1b\u5bf9\u4e8e\u6839\u636e\u4e0b\u6807\u8fdb\u884c\u7684\u64cd\u4f5c\uff0c\u79fb\u9664\u4e86\u5bf9\u4e0b\u6807\u5408\u6cd5\u6027\u7684\u68c0\u67e5\uff0c\u7531\u8fde\u63a5\u6c60\u6765\u4fdd\u8bc1\u3002<\/p>\n<p><!--more--><\/p>\n<pre><code class=\"java\">public boolean remove(Object element) {\n  for (int index = size - 1; index &gt;= 0; index--) {\n     if (element == elementData[index]) {\n        final int numMoved = size - index - 1;\n        if (numMoved &gt; 0) {\n           System.arraycopy(elementData, index + 1, elementData, index, numMoved);\n        }\n        elementData[--size] = null;\n        return true;\n     }\n  }\n\n  return false;\n}\n\n\/\/ \u6ca1\u6709\u4e0b\u6807\u5408\u6cd5\u6027\u68c0\u67e5\npublic T set(int index, T element) {\n  T old = elementData[index];\n  elementData[index] = element;\n  return old;\n}\n<\/code><\/pre>\n<p><code>FastList<\/code> \u7b97\u662f\u7ed3\u5408\u4e1a\u52a1\u7279\u70b9\u8fdb\u884c\u4f18\u5316\u7684\u5178\u578b\u3002<\/p>\n<h1>2. ConcurrentBag<\/h1>\n<p>\u4e00\u822c\u7684\u8fde\u63a5\u6c60\u5b9e\u73b0\u4f1a\u91c7\u7528\u4e24\u4e2a\u963b\u585e\u961f\u5217\uff08\u7a7a\u95f2\u3001\u5df2\u5206\u914d\uff09\u6765\u7ef4\u62a4\u5df2\u521b\u5efa\u7684\u8fde\u63a5\uff0c\u800c\u5bf9\u963b\u585e\u961f\u5217\u7684\u8bbf\u95ee\u4e00\u822c\u4f1a\u6d89\u53ca\u52a0\u9501\u3001\u91ca\u653e\u9501\u7684\u64cd\u4f5c\uff0c\u5f00\u9500\u6bd4\u8f83\u5927\uff0c\u56e0\u6b64 HikariCP \u91c7\u7528\u81ea\u5b9a\u4e49\u5b9e\u73b0\u7684 ConcurrentBag \u6765\u51cf\u5c11\u9501\u64cd\u4f5c\u3002<\/p>\n<h2>2.0 \u5173\u952e\u5c5e\u6027\u4e0e\u63a5\u53e3<\/h2>\n<pre><code class=\"java\">\/\/ \u5168\u5c40\u3001\u5171\u4eab\u7684\u8fde\u63a5\u961f\u5217\nprivate final CopyOnWriteArrayList&lt;T&gt; sharedList;\n\n\/\/ \u7ebf\u7a0b\u672c\u5730\u53d8\u91cf\uff0c\u7528\u4e8e\u51cf\u5c11\u7ade\u4e89\nprivate final ThreadLocal&lt;List&lt;Object&gt;&gt; threadList;\n\n\/\/ \u7b49\u5f85\u83b7\u53d6\u8fde\u63a5\u7684\u7ebf\u7a0b\u6570\u91cf\nprivate final AtomicInteger waiters;\n\n\/\/ \u7528\u4e8e\u5206\u914d\u8fde\u63a5\u7684\u961f\u5217\nprivate final SynchronousQueue&lt;T&gt; handoffQueue;\n\n\/\/ \u5143\u7d20\u5fc5\u987b\u5b9e\u73b0\u7684\u63a5\u53e3\uff0c\u5b9a\u4e49\u4e86\u5143\u7d20\u7684\u72b6\u6001\uff0c\u652f\u6301 CAS \u64cd\u4f5c\u6765\u8bbe\u7f6e\u72b6\u6001\npublic interface IConcurrentBagEntry {\n  int STATE_NOT_IN_USE = 0;\n  int STATE_IN_USE = 1;\n  int STATE_REMOVED = -1;\n  int STATE_RESERVED = -2;\n\n  boolean compareAndSet(int expectState, int newState);\n  void setState(int newState);\n  int getState();\n}\n<\/code><\/pre>\n<p><code>ConcurrentBag<\/code> \u7684\u7ebf\u7a0b\u672c\u5730\u8fde\u63a5\u961f\u5217\u5e76\u4e0d\u662f\u4e25\u683c\u610f\u4e49\u7684\u7ebf\u7a0b\u79c1\u6709\uff0c\u5176\u5b9e\u4ecd\u7136\u662f\u5171\u4eab\u7684\uff0c\u5176\u4ed6\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5171\u4eab\u7684\u5168\u5c40\u8fde\u63a5\u961f\u5217\u8bbf\u95ee\u5230\u67d0\u7ebf\u7a0b\u672c\u5730\u8fde\u63a5\u961f\u5217\u91cc\u7684\u7ebf\u7a0b\uff0c\u6240\u4ee5\u7ebf\u7a0b\u83b7\u53d6\u5230\u8fde\u63a5\u540e\u8981\u68c0\u67e5\u8fde\u63a5\u7684\u72b6\u6001\uff0c<code>bagEntry.compareAndSet(STATE_NOT_IN_USE, STATE_IN_USE)<\/code> \u64cd\u4f5c\u6210\u529f\u624d\u80fd\u8ba4\u4e3a\u62ff\u5230\u4e86\u8fde\u63a5\u3002<\/p>\n<h2>2.1 \u6dfb\u52a0\u65b0\u8fde\u63a5<\/h2>\n<p>\u65b0\u8fde\u63a5\u9996\u5148\u52a0\u5165\u5168\u5c40\u8fde\u63a5\u961f\u5217\uff0c\u5982\u679c\u5f53\u524d\u6709\u7b49\u5f85\u7684\u7ebf\u7a0b\u3001\u4e14\u65b0\u8fde\u63a5\u672a\u88ab\u5360\u7528\uff08\u52a0\u5165\u5168\u5c40\u961f\u5217\u540e\u53ef\u80fd\u9a6c\u4e0a\u88ab\u5176\u4ed6\u7ebf\u7a0b\u83b7\u53d6\uff09\uff0c\u5219\u5c1d\u8bd5\u76f4\u63a5\u5206\u914d\u7ed9\u7b49\u5f85\u8005\u3002<\/p>\n<pre><code class=\"java\">public void add(final T bagEntry) {\n  if (closed) {\n     LOGGER.info(\"ConcurrentBag has been closed, ignoring add()\");\n     throw new IllegalStateException(\"ConcurrentBag has been closed, ignoring add()\");\n  }\n\n  sharedList.add(bagEntry);\n\n  \/\/ spin until a thread takes it or none are waiting\n  while (waiters.get() &gt; 0 &amp;&amp; bagEntry.getState() == STATE_NOT_IN_USE &amp;&amp; !handoffQueue.offer(bagEntry)) {\n     Thread.yield();\n  }\n}\n<\/code><\/pre>\n<h2>2.2 \u5206\u914d\u8fde\u63a5<\/h2>\n<p>\u7533\u8bf7\u8fde\u63a5\u65f6\u4f18\u5148\u4ece\u7ebf\u7a0b\u672c\u5730\u7684\u8fde\u63a5\u961f\u5217\u7533\u8bf7\uff0c\u6ca1\u6709\u7a7a\u95f2\u7684\u624d\u5c1d\u8bd5\u5168\u5c40\u8fde\u63a5\u961f\u5217\uff0c\u5982\u679c\u90fd\u6ca1\u6709\u5219\u8f6e\u8be2 <code>handoffQueue<\/code> \u3002<\/p>\n<pre><code class=\"java\">public T borrow(long timeout, final TimeUnit timeUnit) throws InterruptedException {\n  \/\/ \u9996\u5148\u5c1d\u8bd5\u7ebf\u7a0b\u672c\u5730\n  final List&lt;Object&gt; list = threadList.get();\n  for (int i = list.size() - 1; i &gt;= 0; i--) {\n     \/\/ \u4ece\u672c\u5730\u5217\u8868\u79fb\u9664\n     final Object entry = list.remove(i);\n     @SuppressWarnings(\"unchecked\")\n     final T bagEntry = weakThreadLocals ? ((WeakReference&lt;T&gt;) entry).get() : (T) entry;\n     if (bagEntry != null &amp;&amp; bagEntry.compareAndSet(STATE_NOT_IN_USE, STATE_IN_USE)) {\n        return bagEntry;\n     }\n  }\n\n  \/\/ Otherwise, scan the shared list ... then poll the handoff queue\n  final int waiting = waiters.incrementAndGet();\n  try {\n     \/\/ \u626b\u63cf\u5168\u5c40\u5171\u4eab\u961f\u5217\n     for (T bagEntry : sharedList) {\n        \/\/ \u53ea\u662f\u904d\u5386\uff0c\u6ca1\u6709\u4ece\u5168\u5c40\u5217\u8868\u79fb\u9664\n        if (bagEntry.compareAndSet(STATE_NOT_IN_USE, STATE_IN_USE)) {\n           \/\/ If we may have stolen another waiter's connection, request another bag add.\n           if (waiting &gt; 1) {\n              listener.addBagItem(waiting - 1);\n           }\n           return bagEntry;\n        }\n     }\n\n     listener.addBagItem(waiting);\n\n    \/\/ \u5728\u5269\u4f59\u7684\u65f6\u95f4\u8f6e\u8be2 handoffQueue \u76f4\u81f3\u8d85\u65f6\u6216\u62ff\u5230\u8fde\u63a5\u3002\n     timeout = timeUnit.toNanos(timeout);\n     do {\n        final long start = currentTime();\n        final T bagEntry = handoffQueue.poll(timeout, NANOSECONDS);\n        if (bagEntry == null || bagEntry.compareAndSet(STATE_NOT_IN_USE, STATE_IN_USE)) {\n           return bagEntry;\n        }\n\n        timeout -= elapsedNanos(start);\n     } while (timeout &gt; 10_000);\n\n     return null;\n  } finally {\n     waiters.decrementAndGet();\n  }\n}\n<\/code><\/pre>\n<h2>2.3 \u91ca\u653e<\/h2>\n<pre><code class=\"java\">public void requite(final T bagEntry) {\n  \/\/ \u8bbe\u7f6e\u72b6\u6001\u4e3a \u672a\u4f7f\u7528\n  bagEntry.setState(STATE_NOT_IN_USE);\n\n  \/\/ \u5982\u679c\u6709\u7b49\u5f85\u7ebf\u7a0b\uff0c\u5c1d\u8bd5\u76f4\u63a5\u5206\u914d\n  for (int i = 0; waiters.get() &gt; 0; i++) {\n     if (bagEntry.getState() != STATE_NOT_IN_USE || handoffQueue.offer(bagEntry)) {\n        return;\n     } else if ((i &amp; 0xff) == 0xff) {\n        parkNanos(MICROSECONDS.toNanos(10));\n     } else {\n        Thread.yield();\n     }\n  }\n\n  \/\/ \u6ca1\u6709\u7b49\u5f85\u7684\u7ebf\u7a0b\uff0c\u7a7a\u95f2\u8fde\u63a5\n  \/\/ \u63a7\u5236\u672c\u5730\u8fde\u63a5\u961f\u5217\u7684\u5927\u5c0f\uff0c\u5982\u679c\u6bcf\u6b21\u83b7\u53d6\u7684\u8fde\u63a5\u90fd\u52a0\u5165\u5230\u672c\u5730\u8fde\u63a5\u961f\u5217\uff0c\n  \/\/ \u53ef\u80fd\u5bfc\u81f4\u672c\u5730\u8fde\u63a5\u961f\u5217\u6301\u6709\u6240\u6709\u7684\u8fde\u63a5\uff0c\u8fd9\u6837\u5c31\u5931\u53bb\u4e86\u672c\u5730\u8fde\u63a5\u961f\u5217\u7684\u610f\u4e49\u3002\n  final List&lt;Object&gt; threadLocalList = threadList.get();\n  if (threadLocalList.size() &lt; 50) {\n     threadLocalList.add(weakThreadLocals ? new WeakReference&lt;&gt;(bagEntry) : bagEntry);\n  }\n}\n<\/code><\/pre>\n<h2>2.4 \u5c0f\u7ed3<\/h2>\n<p>\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u770b\u5230\uff0c\u8fde\u63a5\u7684\u7533\u8bf7\u4e0e\u91ca\u653e\u90fd\u4e0d\u4f1a\u5bf9 <code>sharedList<\/code> \u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\u3001\u53ea\u6709\u8bfb\u64cd\u4f5c\uff0c\u56e0\u6b64\u53ef\u4ee5\u91c7\u7528 <code>CopyOnWriteArrayList<\/code> \u8fd9\u79cd\u9002\u7528\u4e8e\u8bfb\u591a\u5199\u5c11\u7684\u5e76\u53d1\u5b89\u5168\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<p>\u672c\u5730\u8fde\u63a5\u961f\u5217\u76f8\u5f53\u4e8e\u5bf9\u5168\u5c40\u8fde\u63a5\u961f\u5217\u8fdb\u884c\u5206\u7ec4\uff0c\u662f\u5168\u5c40\u8fde\u63a5\u961f\u5217\u7684\u5b50\u96c6\uff0c\u8fd9\u4e9b\u5b50\u96c6\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u4ea4\u96c6\uff0c\u56e0\u6b64\u83b7\u53d6\u8fde\u63a5\u65f6\u9700\u8981 CAS \u66f4\u65b0\u72b6\u6001\u6765\u5224\u65ad\u662f\u5426\u771f\u6b63\u83b7\u5f97\u4e86\u8fde\u63a5\u3002<\/p>\n<p>\u672c\u5730\u8fde\u63a5\u961f\u5217\u662f\u52a8\u6001\u7684\uff0c\u5728\u7533\u8bf7\u8fde\u63a5\u65f6\u4f1a\u6e05\u7406\u5df2\u88ab\u5176\u4ed6\u7ebf\u7a0b\u7533\u8bf7\u7684\u8fde\u63a5\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u6301\u672c\u5730\u8fde\u63a5\u961f\u5217\u5c3d\u91cf\u5c0f\uff0c\u800c\u4e14\u57fa\u672c\u90fd\u662f\u6ca1\u6709\u7ade\u4e89\u7684\u3002<\/p>\n<p>\u901a\u8fc7\u5206\u7ec4\uff0c\u51cf\u5c11\u4e86\u5bf9\u5168\u5c40\u8fde\u63a5\u961f\u5217\u7684\u5e76\u53d1\u7ade\u4e89\uff0c\u4e5f\u662f\u4e00\u79cd\u901a\u8fc7\u5206\u6bb5\u51cf\u5c0f\u7ade\u4e89\u7684\u601d\u60f3\u3002<\/p>\n<hr \/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong> \u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HikariCP\uff0c\u65e5\u8bed\u7684\u542b\u4e49\u662f\u201c\u5149\u201d\uff0c\u53f7\u79f0\u76ee\u524d\u6700\u5feb\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3002 \u5b83\u7684\u9ad8\u6027\u80fd\u6765 &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/concurrent\/20200611\/2101\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[344,174,352,278],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2101"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=2101"}],"version-history":[{"count":7,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2101\/revisions"}],"predecessor-version":[{"id":2140,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2101\/revisions\/2140"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=2101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=2101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=2101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}