src/qpid/linearstore/management-schema.xml

<schema package="org.apache.qpid.linearstore">

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  <class name="Store">
    <property name="brokerRef"               type="objId"  access="RO" references="qpid.Broker" index="y" parentRef="y"/>
    <property name="storeDir"                type="sstr"   access="RO"              desc="Logical directory on disk"/>
    <property name="tplIsInitialized"        type="bool"   access="RO"              desc="Transaction prepared list has been initialized by a transactional prepare"/>
    <property name="tplDirectory"            type="sstr"   access="RO"              desc="Transaction prepared list directory"/>
    <property name="tplWritePageSize"        type="uint32" access="RO" unit="byte"  desc="Page size in transaction prepared list write-page-cache"/>
    <property name="tplWritePages"           type="uint32" access="RO" unit="wpage" desc="Number of pages in transaction prepared list write-page-cache"/>

    <statistic name="tplTransactionDepth"    type="hilo32"  unit="txn"    desc="Number of currently enqueued prepared transactions"/>
    <statistic name="tplTxnPrepares"         type="count64" unit="record" desc="Total transaction prepares on transaction prepared list"/>
    <statistic name="tplTxnCommits"          type="count64" unit="record" desc="Total transaction commits on transaction prepared list"/>
    <statistic name="tplTxnAborts"           type="count64" unit="record" desc="Total transaction aborts on transaction prepared list"/>
  </class>

  <class name="Journal">
    <property name="queueRef"           type="objId"  access="RO" references="qpid.Queue" isGeneralReference="y"/>
    <property name="queueName"          type="sstr"   access="RC" index="y"/>
    <property name="directory"          type="sstr"   access="RO"              desc="Directory containing journal files"/>
    <property name="writePageSize"      type="uint32" access="RO" unit="byte"  desc="Deprecated"/>
    <property name="writePages"         type="uint32" access="RO" unit="wpage" desc="Deprecated"/>

    <statistic name="recordDepth"       type="hilo32"  unit="record" desc="Number of currently enqueued records (durable messages)"/>
    <statistic name="enqueues"          type="count64" unit="record" desc="Total enqueued records on journal"/>
    <statistic name="dequeues"          type="count64" unit="record" desc="Total dequeued records on journal"/>
    <statistic name="txn"               type="count32" unit="record" desc="Total open transactions (xids) on journal"/>
    <statistic name="txnEnqueues"       type="count64" unit="record" desc="Total transactional enqueued records on journal"/>
    <statistic name="txnDequeues"       type="count64" unit="record" desc="Total transactional dequeued records on journal"/>
    <statistic name="txnCommits"        type="count64" unit="record" desc="Total transactional commit records on journal"/>
    <statistic name="txnAborts"         type="count64" unit="record" desc="Total transactional abort records on journal"/>
    <statistic name="outstandingAIOs"   type="hilo32"  unit="aio_op" desc="Number of currently outstanding AIO requests in Async IO system"/>

  </class>
</schema>