ignite-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Roger Fischer (CW)" <rfis...@Brocade.com>
Subject RE: Missing object when loading from Cassandra with multiple queries
Date Thu, 27 Jul 2017 15:36:35 GMT
Hi Val,

the class is listed below. Two more updates:

* The "Ignoring entry for partition ..." is also present on the slow cluster, where the data
is loaded correctly.

* The clocks are significantly out of sync on the fast cluster. One is off by more than one
minute. I am having this rectified, but it is not my cluster, so it is taking some time.

Here is the key class.

import java.io.Serializable;
import java.util.UUID;
import java.util.Date;

public class FcPortStatsKey implements Serializable {

    private Date    hour;       // partition 1 -- timestamp truncated at the hour
    private Integer bucket;     // partition 2 -- switch_id hashed to buckets
    private Date    dateTime;   // cluster 1   -- date_time
    private UUID    portId;     // cluster 2   -- port_id

    // default constructor
    public FcPortStatsKey() {
    public Date getHour() { return hour; }
    public Integer getBucket() { return bucket; }
    public Date getDateTime() { return dateTime; }
    public UUID getPortId() { return portId; }

    public void setHour( Date hour) { this.hour = hour; }
    public void setBucket( Integer bucket) { this.bucket = bucket; }
    public void setDateTime( Date dateTime) { this.dateTime = dateTime; }
    public void setPortId( UUID portId) { this.portId = portId; }

    public String toString() {
        return String.format( "FcPortStatsKey: %s, %d, %s, %s", 
            hour.toString(), bucket, dateTime.toString(), portId.toString());

    public boolean equals( Object obj) {
        if (this == obj) return true;
        if (!(obj instanceof FcPortStatsKey)) return false;
        FcPortStatsKey other = (FcPortStatsKey) obj;
        // partition keys are derived; need not be included
        if (dateTime != null && dateTime.equals( other.dateTime) &&
            portId != null && portId.equals( other.portId))
            return true;
            return false;
    public int hashCode() {
        // partition keys are derived; need not be included
        int result = 91;
        result = 127 * result + portId.hashCode();
        result = 127 * result + dateTime.hashCode();
        return result;


And here is the related configuration:

                <persistence keyspace="test_11" table="fc_port_stats">
                    <keyPersistence class="com.brocade.poc.icpoc.model.FcPortStatsKey"
                            <field name="hour"/>
                            <field name="bucket"/>
                            <field name="dateTime" column="date_time"/>
                            <field name="portId" column="port_id"/>


-----Original Message-----
From: vkulichenko [mailto:valentin.kulichenko@gmail.com] 
Sent: Tuesday, July 25, 2017 5:16 PM
To: user@ignite.apache.org
Subject: Re: Missing object when loading from Cassandra with multiple queries

Hi Roger,

Can you show the FcPortStatsKey class?


View this message in context: https://urldefense.proofpoint.com/v2/url?u=http-3A__apache-2Dignite-2Dusers.70518.x6.nabble.com_Missing-2Dobject-2Dwhen-2Dloading-2Dfrom-2DCassandra-2Dwith-2Dmultiple-2Dqueries-2Dtp15644p15645.html&d=DwICAg&c=IL_XqQWOjubgfqINi2jTzg&r=1esZO0r0bYS90lcsaLA6N4AFxuNo6lzauhETGwdJQoQ&m=s1zSUsG_hFKhGsE9HpBCQWzuPCJa-iX4tmT8kmN7-d0&s=u8-EePeYS6JZ8u9cp9pMGJ8WGAoSvDZFBy93_jKNrIM&e=

Sent from the Apache Ignite Users mailing list archive at Nabble.com.

View raw message