That sounds like a Phoenix bug to me if you can run row_counter Mapreduce and
still Phoenix reports 0 rows.
Sent from my iPhone
> On Jul 26, 2015, at 10:22 AM, Riesland, Zack <zack.riesl...@sensus.com> wrote:
>
> Thanks Anil,
>
> Any idea why the 'select count(*)' query would return '0' when I can query
> other ways and get data?
>
> From: Anil Gupta [anilgupt...@gmail.com]
> Sent: Saturday, July 25, 2015 1:36 PM
> To: user@phoenix.apache.org
> Subject: Re: Exception from RowCounter
>
> Hey Zack,
>
> As per the row_counter job error, it seems like your row counter job does not
> have hbase-site.xml file in its classpath and due to that it's not
> connecting to correct cluster. Check which zookeeper cluster that job is
> connecting?
>
> Sent from my iPhone
>
> On Jul 25, 2015, at 1:23 PM, James Taylor <jamestay...@apache.org> wrote:
>
>> Hi Zack,
>> If you find an issue, the best way for us is to come up with the smallest
>> set of data the demonstrates the issue and a small script that consistently
>> reproduces it. It's just not feasible for us to work from a billion row data
>> set.
>>
>> RowCounter is not a Phoenix API, so you'll need to go to the HBase email
>> lists for help on that.
>>
>> From a schema design perspective, it seems a bit unwieldy what you're doing.
>> Why not just salt the data table instead of manually salting it and managing
>> that yourself?
>>
>> Thanks,
>> James
>>
>>> On Sat, Jul 25, 2015 at 4:04 AM, Riesland, Zack <zack.riesl...@sensus.com>
>>> wrote:
>>> I decided to start from scratch with my table schema in attempt to get a
>>> better distribution across my regions/region servers.
>>>
>>>
>>>
>>> So, I created a table like this:
>>>
>>>
>>>
>>> CREATE TABLE fma.er_keyed_gz_hashed_indexed_meterkey_immutable (
>>>
>>> hashed_key varchar not null,
>>>
>>> meter_key varchar ,
>>>
>>> …
>>>
>>> endpoint_id integer,
>>>
>>> sample_point integer not null,
>>>
>>> …
>>>
>>> CONSTRAINT pk_fma_er_keyed_gz_hashed_indexed_meterkey_immutable PRIMARY
>>> KEY (hashed_key, sample_point)
>>>
>>> )
>>>
>>> COMPRESSION='GZ'
>>>
>>> SPLIT ON ('0-', '1-', '2-', '3-', '4-', '5-', '6-', '7-', '8-', '9-',
>>> '10-', '11-', '12-', '13-', '14-', '15-', '16-', '17-', '18-', '19-',
>>> '20-', '21-', '22-', '23-', '24-', '25-', '26-', '27-', '28-', '29-',
>>> '30-', '31-', '32-', '33-', '34-', '35-', '36-', '37-', '38-', '39-',
>>> '40-', '41-', '42-', '43-', '44-', '45-', '46-', '47-', '48-', '49-',
>>> '50-', '51-', '52-', '53-', '54-', '55-', '56-', '57-', '58-', '59-',
>>> '60-', '61-', '62-', '63-', '64-', '65-', '66-', '67-', '68-', '69-',
>>> '70-', '71-', '72-', '73-', '74-', '75-', '76-', '77-', '78-', '79-',
>>> '80-', '81-', '82-', '83-', '84-', '85-', '86-', '87-', '88-', '89-',
>>> '90-', '91-', '92-', '93-', '94-', '95-', '96-', '97-', '98-', '99-',
>>> '100-', '101-', '102-', '103-', '104-', '105-', '106-', '107-', '108-',
>>> '109-', '110-', '111-', '112-', '113-', '114-', '115-', '116-', '117-',
>>> '118-', '119-', '120-', '121-', '122-', '123-', '124-', '125-', '126-',
>>> '127-', '128-', '129-', '130-', '131-', '132-', '133-', '134-', '135-',
>>> '136-', '137-', '138-', '139-', '140-', '141-', '142-', '143-', '144-',
>>> '145-', '146-', '147-', '148-', '149-', '150-', '151-', '152-', '153-',
>>> '154-', '155-', '156-', '157-', '158-', '159-', '160-', '161-', '162-',
>>> '163-', '164-', '165-', '166-', '167-', '168-', '169-', '170-', '171-',
>>> '172-', '173-', '174-', '175-', '176-', '177-', '178-', '179-', '180-',
>>> '181-', '182-', '183-', '184-', '185-', '186-', '187-', '188-', '189-',
>>> '190-', '191-', '192-', '193-', '194-', '195-', '196-', '197-', '198-',
>>> '199-', '200-', '201-', '202-', '203-', '204-', '205-', '206-', '207-',
>>> '208-', '209-', '210-', '211-', '212-', '213-', '214-', '215-', '216-',
>>> '217-', '218-', '219-', '220-', '221-', '222-', '223-', '224-', '225-',
>>> '226-', '227-', '228-', '229-', '230-', '231-', '232-', '233-', '234-',
>>> '235-', '236-', '237-', '238-', '239-', '240-', '241-', '242-', '243-',
>>> '244-', '245-', '246-', '247-', '248-', '249-', '250-', '251-', '252-',
>>> '253-', '254-', '255-', '256-', '257-', '258-', '259-', '260-', '261-',
>>> '262-', '263-', '264-', '265-', '266-', '267-', '268-', '269-', '270-',
>>> '271-', '272-', '273-', '274-', '275-', '276-', '277-', '278-', '279-',
>>> '280-', '281-', '282-', '283-', '284-', '285-', '286-', '287-', '288-',
>>> '289-', '290-', '291-', '292-', '293-', '294-', '295-', '296-', '297-',
>>> '298-', '299-', '300-', '301-', '302-', '303-', '304-', '305-', '306-',
>>> '307-', '308-', '309-', '310-', '311-', '312-', '313-', '314-', '315-',
>>> '316-', '317-', '318-', '319-', '320-', '321-', '322-', '323-', '324-',
>>> '325-', '326-', '327-', '328-', '329-', '330-', '331-', '332-', '333-',
>>> '334-', '335-', '336-', '337-', '338-', '339-', '340-', '341-', '342-',
>>> '343-', '344-', '345-', '346-', '347-', '348-', '349-', '350-', '351-',
>>> '352-', '353-', '354-', '355-', '356-', '357-', '358-', '359-', '360-',
>>> '361-', '362-', '363-', '364-', '365-', '366-', '367-', '368-', '369-',
>>> '370-', '371-', '372-', '373-', '374-', '375-', '376-', '377-', '378-',
>>> '379-', '380-', '381-', '382-', '383-', '384-', '385-', '386-', '387-',
>>> '388-', '389-', '390-', '391-', '392-', '393-', '394-', '395-', '396-',
>>> '397-', '398-', '399-', '400-', '401-', '402-', '403-', '404-', '405-',
>>> '406-', '407-', '408-', '409-', '410-', '411-', '412-', '413-', '414-',
>>> '415-', '416-', '417-', '418-', '419-', '420-', '421-', '422-', '423-',
>>> '424-', '425-', '426-', '427-', '428-', '429-', '430-', '431-', '432-',
>>> '433-', '434-', '435-', '436-', '437-', '438-', '439-', '440-', '441-',
>>> '442-', '443-', '444-', '445-', '446-', '447-', '448-', '449-', '450-',
>>> '451-', '452-', '453-', '454-', '455-', '456-', '457-', '458-', '459-',
>>> '460-', '461-', '462-', '463-', '464-', '465-', '466-', '467-', '468-',
>>> '469-', '470-', '471-', '472-', '473-', '474-', '475-', '476-', '477-',
>>> '478-', '479-', '480-', '481-', '482-', '483-', '484-', '485-', '486-',
>>> '487-', '488-', '489-', '490-', '491-', '492-', '493-', '494-', '495-',
>>> '496-', '497-', '498-', '499-', '500-', '501-', '502-', '503-', '504-',
>>> '505-', '506-', '507-', '508-', '509-', '510-', '511-')
>>>
>>>
>>>
>>> The hashed key is the endpoint_id % 511, which is why the splitting is done
>>> this way.
>>>
>>>
>>>
>>> I also added 2 secondary indexes, because I need to be able to query based
>>> on meter_key or endpoint_id + sample_point:
>>>
>>>
>>>
>>> CREATE INDEX fma_er_keyed_gz_hashed_indexed_endpoint_include_sample_point
>>> on fma.er_keyed_gz_hashed_indexed_meterkey_immutable (endpoint_id) include
>>> (sample_point) SALT_BUCKETS = 256; --256 is max
>>>
>>>
>>>
>>> CREATE INDEX fma_er_keyed_gz_hashed_indexed_meterkey on
>>> fma.er_keyed_gz_hashed_indexed_meterkey_immutable (meter_key) SALT_BUCKETS
>>> = 256; --256 is max
>>>
>>>
>>>
>>> This all seemed to work well.
>>>
>>>
>>>
>>> Then I use the bulk import from CSV tool and imported about 1 billion rows.
>>>
>>>
>>>
>>> This also seemed to work.
>>>
>>>
>>>
>>> I can query by hashed_key and get immediate results.
>>>
>>>
>>>
>>> If I query by endpoint_id or meter_key, it is MUCH slower (clue 1 that
>>> there’s a problem), but it gives me results eventually.
>>>
>>>
>>>
>>> However, when I try to get a count, it returns 0:
>>>
>>>
>>>
>>>
>>>
>>> > select count(*) from fma.er_keyed_gz_hashed_indexed_meterkey_immutable;
>>>
>>> +------------+
>>>
>>> | COUNT(1) |
>>>
>>> +------------+
>>>
>>> | 0 |
>>>
>>> +------------+
>>>
>>> 1 row selected (0.075 seconds)
>>>
>>>
>>>
>>> And when I try to do a RowCounter job, it fails completely (see below).
>>>
>>>
>>>
>>> Can anyone help me diagnose what is going on here?
>>>
>>>
>>>
>>> This is a cluster with 6 large region servers, that each have about 600
>>> regions (from this and other tables).
>>>
>>>
>>>
>>> This table has about 12 columns and 1 billion rows currently.
>>>
>>>
>>>
>>> Thanks!
>>>
>>>
>>>
>>> # hbase org.apache.hadoop.hbase.mapreduce.RowCounter
>>> fma.er_keyed_gz_hashed_indexed_meterkey_immutable;
>>>
>>>
>>>
>>>
>>>
>>> 2015-07-25 06:53:36,425 DEBUG [main] util.RegionSizeCalculator: Region
>>> sizes calculated
>>>
>>> 2015-07-25 06:53:36,427 WARN [main] hbase.HBaseConfiguration: Config
>>> option "hbase.regionserver.lease.period" is deprecated. Instead, use
>>> "hbase.client.scanner.timeout.period"
>>>
>>> 2015-07-25 06:53:36,468 WARN [main]
>>> client.ConnectionManager$HConnectionImplementation: Encountered problems
>>> when prefetch hbase:meta table:
>>>
>>> org.apache.hadoop.hbase.TableNotFoundException: Cannot find row in
>>> hbase:meta for table: fma.er_keyed_gz_hashed_indexed_meterkey_immutable,
>>> row=fma.er_keyed_gz_hashed_indexed_meterkey_immutable,,99999999999999
>>>
>>> at
>>> org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:164)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.prefetchRegionCache(ConnectionManager.java:1222)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1286)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1135)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1118)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1075)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getRegionLocation(ConnectionManager.java:909)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.HTable.getRegionLocation(HTable.java:528)
>>>
>>> at
>>> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:165)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:597)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:614)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:492)
>>>
>>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1296)
>>>
>>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1293)
>>>
>>> at java.security.AccessController.doPrivileged(Native Method)
>>>
>>> at javax.security.auth.Subject.doAs(Subject.java:415)
>>>
>>> at
>>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
>>>
>>> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1293)
>>>
>>> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1314)
>>>
>>> at
>>> org.apache.hadoop.hbase.mapreduce.RowCounter.main(RowCounter.java:191)
>>>
>>> 2015-07-25 06:53:36,471 INFO [main] mapreduce.JobSubmitter: Cleaning up
>>> the staging area /user/root/.staging/job_1437395072897_1775
>>>
>>> Exception in thread "main" org.apache.hadoop.hbase.TableNotFoundException:
>>> fma.er_keyed_gz_hashed_indexed_meterkey_immutable
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1319)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1135)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1118)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1075)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getRegionLocation(ConnectionManager.java:909)
>>>
>>> at
>>> org.apache.hadoop.hbase.client.HTable.getRegionLocation(HTable.java:528)
>>>
>>> at
>>> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:165)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:597)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:614)
>>>
>>> at
>>> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:492)
>>>
>>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1296)
>>>
>>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1293)
>>>
>>> at java.security.AccessController.doPrivileged(Native Method)
>>>
>>> at javax.security.auth.Subject.doAs(Subject.java:415)
>>>
>>> at
>>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
>>>
>>> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1293)
>>>
>>> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1314)
>>>
>>> at
>>> org.apache.hadoop.hbase.mapreduce.RowCounter.main(RowCounter.java:191)
