There are total 11 files as part of tar. You will have to untar it to get to actual files (.json.gz)
No, I am getting Count: 33447 spark.time(spark.read.json(“/data/small-anon/")) Time taken: 431 ms res73: org.apache.spark.sql.DataFrame = [created: bigint, id: string ... 2 more fields] scala> res73.count() res74: Long = 33447 ls -ltr total 7592 -rw-r--r-- 1 sanjeevmishra staff 132413 Jun 29 08:40 part-00010-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 272767 Jun 29 08:40 part-00009-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 272314 Jun 29 08:40 part-00008-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 277158 Jun 29 08:40 part-00007-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 321451 Jun 29 08:40 part-00006-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 331419 Jun 29 08:40 part-00005-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 337195 Jun 29 08:40 part-00004-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 366346 Jun 29 08:40 part-00003-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 423154 Jun 29 08:40 part-00002-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 458187 Jun 29 08:40 part-00000-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 673836 Jun 29 08:40 part-00001-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz -rw-r--r-- 1 sanjeevmishra staff 0 Jun 29 08:40 _SUCCESS > On Jun 30, 2020, at 5:37 AM, Gourav Sengupta <gourav.sengu...@gmail.com> > wrote: > > Hi Sanjeev, > that just gives 11 records from the sample that you have loaded to the JIRA > tickets is it correct? > > > Regards, > Gourav Sengupta > > On Tue, Jun 30, 2020 at 1:25 PM Sanjeev Mishra <sanjeev.mis...@gmail.com > <mailto:sanjeev.mis...@gmail.com>> wrote: > There is not much code, I am just using spark-shell and reading the data like > so > > spark.time(spark.read.json("/data/small-anon/")) > >> On Jun 30, 2020, at 3:53 AM, Gourav Sengupta <gourav.sengu...@gmail.com >> <mailto:gourav.sengu...@gmail.com>> wrote: >> >> Hi Sanjeev, >> >> can you share the exact code that you are using to read the JSON files? >> Currently I am getting only 11 records from the tar file that you have >> attached with JIRA. >> >> Regards, >> Gourav Sengupta >> >> On Mon, Jun 29, 2020 at 5:46 PM ArtemisDev <arte...@dtechspace.com >> <mailto:arte...@dtechspace.com>> wrote: >> According to the spec, in addition to the line breaks, you should also put >> the nested object values in arrays instead of dictionaries. You may want to >> give a try and see if this would give you a better performance. >> >> Nevertheless, this still doesn't explain why Spark 2.4.6 outperforms 3.0. >> Hope the Databricks engineers will find an answer or bug fix soon. >> >> -- ND >> >> On 6/29/20 12:27 PM, Sanjeev Mishra wrote: >>> The tar file that I have attached has bunch of json.zip files and this is >>> the file that is being processed. Each line is self contained JSON as shown >>> below >>> >>> zcat < part-00010-2558524a-1a1f-4f14-b027-4276a8143194-c000.json.gz | head >>> -3 >>> {"id":"954e7819e91a11e981f60050569979b6","created":1570463599492,"properties":{"WANAccessType":"2","deviceClassifiers":["ARRIS >>> HNC IGD","Annex F >>> Gateway","Supports.Collect.Optimized.Workflow","Fast.Inform","Supports.TR98.Traceroute","InternetGatewayDevice:1.4","Motorola.ServiceType.IP","Supports >>> Arris FastPath Speed >>> Test","Arris.NVG468MQ.9.3.0h0","Wireless.Common.IGD.DualRadio","001E46.NVG468MQ.Is.WANIP","Device.Supports.HNC","Device.Type.RG","Arris.NVG4xx.Missing.CA >>> >>> <http://arris.nvg4xx.missing.ca/>","Supports.TR98.IPPing","Arris.NVG468MQ.9.3.0+","Wireless","ARRIS >>> HNC IGD >>> EUROPA","Arris.NVG.Wireless","WLAN.Radios.Action.Common.TR098","VoiceService:1.0","ConnecticutDeviceTypes","Device.Supports.SpeedTest","Motorola.Device.Supports.VoIP","Arris.NVG468MQ","Motorola.device","CaptivePortal:1","Arris.NVG4xx","All.TR069.RG.Devices","TraceRoute:1","Arris.NVG4xx.9.3.0+","datamodel.igd","Arris.NVG4xxQ","IPPing:1","Device.ServiceType.IP","001E46.NVG468MQ.Is.WANEth","Arris.NVG468MQ.9.2.4+","broken.device.no.notification"],"deviceType":"IGD","firstInform":"1570463619543","groups":["Self-Service >>> Diagnostics","SLF-SRVC_DGNSTCS000","TCW - NVG4xx - First >>> Contact"],"hardwareVersion":"NVG468MQ_0200240031004E","hncEnable":"0","lastBoot":"1587765844155","lastInform":"1590624062260","lastPeriodic":"1590624062260","manufacturerName":"Motorola","modelName":"NVG468MQ","productClass":"NVG468MQ","protocolVersion":"cwmp10","provisioningCode":"","softwareVersion":"9.3.0h0d55","tags":["default"],"timeZone":"EST+5EDT,M3.2.0/2,M11.1.0/2","wan":{"ethDuplexMode":"Full","ethSyncBitRate":"1000"},"wifi":[{"0":{"Enable":"1","SSID":"Frontier3136","SSIDAdvertisementEnabled":"1"},"1":{"Enable":"0","SSID":"Guest3136","SSIDAdvertisementEnabled":"1"},"2":{"Enable":"0","SSID":"Frontier3136_D2","SSIDAdvertisementEnabled":"1"},"3":{"Enable":"0","SSID":"Frontier3136_D3","SSIDAdvertisementEnabled":"1"},"4":{"Enable":"1","SSID":"Frontier3136_5G","SSIDAdvertisementEnabled":"1"},"5":{"Enable":"0","SSID":"Guest3136_5G","SSIDAdvertisementEnabled":"1"},"6":{"Enable":"1","SSID":"Frontier3136_5G-TV","SSIDAdvertisementEnabled":"0"},"7":{"Enable":"0","SSID":"Frontier3136_5G_D2","SSIDAdvertisementEnabled":"1"}}]},"ts":1590624062260} >>> {"id":"bf0448736d09e2e677ea383ef857d5bc","created":1517843609967,"properties":{"WANAccessType":"2","arrisNvgDbCheck":"1:success","deviceClassifiers":["ARRIS >>> HNC IGD","Annex F >>> Gateway","Supports.Collect.Optimized.Workflow","Fast.Inform","InternetGatewayDevice:1.4","Supports.TR98.Traceroute","Supports >>> Arris FastPath Speed >>> Test","Motorola.ServiceType.IP","Arris.NVG468MQ.9.3.0h0","Wireless.Common.IGD.DualRadio","001E46.NVG468MQ.Is.WANIP","Device.Supports.HNC","Device.Type.RG","Arris.NVG4xx.Missing.CA >>> >>> <http://arris.nvg4xx.missing.ca/>","Supports.TR98.IPPing","Arris.NVG468MQ.9.3.0+","Wireless","ARRIS >>> HNC IGD >>> EUROPA","Arris.NVG.Wireless","VoiceService:1.0","WLAN.Radios.Action.Common.TR098","ConnecticutDeviceTypes","Device.Supports.SpeedTest","Motorola.Device.Supports.VoIP","Arris.NVG468MQ","Motorola.device","CaptivePortal:1","Arris.NVG4xx","All.TR069.RG.Devices","TraceRoute:1","Arris.NVG4xx.9.3.0+","datamodel.igd","Arris.NVG4xxQ","IPPing:1","Device.ServiceType.IP","001E46.NVG468MQ.Is.WANEth","Arris.NVG468MQ.9.2.4+","broken.device.no.notification"],"deviceType":"IGD","firstInform":"1517843629132","groups":["Total >>> Control","GPON_100M_100M","Self-Service >>> Diagnostics","HSI","SLF-SRVC_DGNSTCS000","HS002","TTL_CNTRL000","GPN_100M_100M001"],"hardwareVersion":"NVG468MQ_0200240031004E","hncEnable":"0","lastBoot":"1590196375084","lastInform":"1590624060253","lastPeriodic":"1590624060253","manufacturerName":"Motorola","modelName":"NVG468MQ","productClass":"NVG468MQ","protocolVersion":"cwmp10","provisioningCode":"","softwareVersion":"9.3.0h0d55","tags":["default"],"timeZone":"EST+5EDT,M3.2.0/2,M11.1.0/2","wan":{"ethDuplexMode":"Full","ethSyncBitRate":"1000"},"wifi":[{"0":{"Enable":"1","SSID":"NE-TB12-GOAT-2G","SSIDAdvertisementEnabled":"1"},"1":{"Enable":"1","SSID":"TP-Link_extender_2.4GHz","SSIDAdvertisementEnabled":"1"},"2":{"Enable":"0","SSID":"Frontier5360_D2","SSIDAdvertisementEnabled":"1"},"3":{"Enable":"0","SSID":"Frontier5360_D3","SSIDAdvertisementEnabled":"1"},"4":{"Enable":"1","SSID":"NE-TB12-GOAT-5G","SSIDAdvertisementEnabled":"1"},"5":{"Enable":"0","SSID":"Guest5360_5G","SSIDAdvertisementEnabled":"1"},"6":{"Enable":"1","SSID":"Frontier5360_5G-TV","SSIDAdvertisementEnabled":"0"},"7":{"Enable":"0","SSID":"Frontier5360_5G_D2","SSIDAdvertisementEnabled":"1"}}]},"ts":1590624060253} >>> {"id":"1512b1b8526211e9acf100505699063c","created":1553891682535,"properties":{"WANAccessType":"2","arrisNvgDbCheck":"1:success","deviceClassifiers":["ARRIS >>> HNC IGD","Annex F >>> Gateway","Supports.Collect.Optimized.Workflow","Fast.Inform","InternetGatewayDevice:1.4","Supports.TR98.Traceroute","Motorola.ServiceType.IP","Supports >>> Arris FastPath Speed >>> Test","Arris.NVG468MQ.9.3.0h0","Wireless.Common.IGD.DualRadio","001E46.NVG468MQ.Is.WANIP","Device.Supports.HNC","Arris.NVG4xx.Missing.CA >>> >>> <http://arris.nvg4xx.missing.ca/>","Device.Type.RG","Supports.TR98.IPPing","Arris.NVG468MQ.9.3.0+","Wireless","ARRIS >>> HNC IGD >>> EUROPA","Arris.NVG.Wireless","WLAN.Radios.Action.Common.TR098","VoiceService:1.0","ConnecticutDeviceTypes","Device.Supports.SpeedTest","Motorola.Device.Supports.VoIP","Arris.NVG468MQ","Motorola.device","Arris.NVG4xx","CaptivePortal:1","All.TR069.RG.Devices","TraceRoute:1","Arris.NVG4xx.9.3.0+","datamodel.igd","Arris.NVG4xxQ","IPPing:1","Device.ServiceType.IP","001E46.NVG468MQ.Is.WANEth","Arris.NVG468MQ.9.2.4+","broken.device.no.notification"],"deviceType":"IGD","firstInform":"1553891708717","groups":["Total >>> Control","HSI","Self-Service >>> Diagnostics","SLF-SRVC_DGNSTCS000","HS004","TTL_CNTRL000","TCW - NVG4xx - >>> First Contact","GPON_200M_200M","TCW >>> Enabled","GPN_200M_200M000"],"hardwareVersion":"NVG468MQ_0200240031004E","hncEnable":"1","lastBoot":"1590537703734","lastInform":"1590624061415","lastPeriodic":"1590624061415","manufacturerName":"Motorola","modelName":"NVG468MQ","productClass":"NVG468MQ","protocolVersion":"cwmp10","provisioningCode":"","softwareVersion":"9.3.0h0d55","tags":["default"],"timeZone":"EST+5EDT,M3.2.0/2,M11.1.0/2","wan":{"ethDuplexMode":"Full","ethSyncBitRate":"1000"},"wifi":[{"0":{"Enable":"1","SSID":"Frontier7968","SSIDAdvertisementEnabled":"1"},"1":{"Enable":"0","SSID":"Guest7968","SSIDAdvertisementEnabled":"1"},"2":{"Enable":"0","SSID":"Frontier7968_D2","SSIDAdvertisementEnabled":"1"},"3":{"Enable":"0","SSID":"Frontier7968_D3","SSIDAdvertisementEnabled":"1"},"4":{"Enable":"1","SSID":"Frontier7968","SSIDAdvertisementEnabled":"1"},"5":{"Enable":"0","SSID":"Guest7968_5G","SSIDAdvertisementEnabled":"1"},"6":{"Enable":"1","SSID":"Frontier7968_5G-TV","SSIDAdvertisementEnabled":"0"},"7":{"Enable":"0","SSID":"Frontier7968_5G_D2","SSIDAdvertisementEnabled":"1"}}]},"ts":1590624061415} >>> >>> On Mon, Jun 29, 2020 at 9:20 AM ArtemisDev <arte...@dtechspace.com >>> <mailto:arte...@dtechspace.com>> wrote: >>> Could you please share your input file instead of output files on that >>> ticket? Not sure if you were following the specific file format >>> requirement for JSON in Spark. The following is a snippet from the Spark >>> online doc: >>> >>> Note that the file that is offered as a json file is not a typical JSON >>> file. Each line must contain a separate, self-contained valid JSON object. >>> For more information, please see JSON Lines text format, also called >>> newline-delimited JSON <http://jsonlines.org/>. >>> >>> For a regular multi-line JSON file, set the multiLine option to true. >>> >>> -- ND >>> >>> On 6/29/20 11:55 AM, Sanjeev Mishra wrote: >>>> Done. https://issues.apache.org/jira/browse/SPARK-32130 >>>> <https://issues.apache.org/jira/browse/SPARK-32130> >>>> >>>> >>>> >>>> On Mon, Jun 29, 2020 at 8:21 AM Maxim Gekk <maxim.g...@databricks.com >>>> <mailto:maxim.g...@databricks.com>> wrote: >>>> Hello Sanjeev, >>>> >>>> It is hard to troubleshoot the issue without input files. Could you open >>>> an JIRA ticket at https://issues.apache.org/jira/projects/SPARK >>>> <https://issues.apache.org/jira/projects/SPARK> and attach the JSON files >>>> there (or samples or code which generates JSON files)? >>>> >>>> Maxim Gekk >>>> Software Engineer >>>> Databricks, Inc. >>>> >>>> >>>> On Mon, Jun 29, 2020 at 6:12 PM Sanjeev Mishra <sanjeev.mis...@gmail.com >>>> <mailto:sanjeev.mis...@gmail.com>> wrote: >>>> It has read everything. As you notice the timing of count is still smaller >>>> in Spark 2.4 >>>> >>>> Spark 2.4 >>>> >>>> scala> spark.time(spark.read.json("/data/20200528")) >>>> Time taken: 19691 ms >>>> res61: org.apache.spark.sql.DataFrame = [created: bigint, id: string ... 5 >>>> more fields] >>>> >>>> scala> spark.time(res61.count()) >>>> Time taken: 7113 ms >>>> res64: Long = 2605349 >>>> >>>> Spark 3.0 >>>> scala> spark.time(spark.read.json("/data/20200528")) >>>> 20/06/29 08:06:53 WARN package: Truncated the string representation of a >>>> plan since it was too large. This behavior can be adjusted by setting >>>> 'spark.sql.debug.maxToStringFields'. >>>> Time taken: 849652 ms >>>> res0: org.apache.spark.sql.DataFrame = [created: bigint, id: string ... 5 >>>> more fields] >>>> >>>> scala> spark.time(res0.count()) >>>> Time taken: 8201 ms >>>> res2: Long = 2605349 >>>> >>>> >>>> >>>> >>>> On Mon, Jun 29, 2020 at 7:45 AM ArtemisDev <arte...@dtechspace.com >>>> <mailto:arte...@dtechspace.com>> wrote: >>>> Could you share your code? Are you sure you Spark 2.4 cluster had indeed >>>> read anything? Looks like the Input size field is empty under 2.4. >>>> >>>> -- ND >>>> >>>> On 6/27/20 7:58 PM, Sanjeev Mishra wrote: >>>>> >>>>> I have large amount of json files that Spark can read in 36 seconds but >>>>> Spark 3.0 takes almost 33 minutes to read the same. On closer analysis, >>>>> looks like Spark 3.0 is choosing different DAG than Spark 2.0. Does >>>>> anyone have any idea what is going on? Is there any configuration problem >>>>> with Spark 3.0. >>>>> >>>>> Here are the details: >>>>> >>>>> Spark 2.4 >>>>> >>>>> Summary Metrics for 2203 Completed Tasks >>>>> <http://10.0.0.8:4040/stages/stage/?id=0&attempt=0#tasksTitle> >>>>> Metric Min 25th percentile Median 75th percentile Max >>>>> Duration 0.0 ms 0.0 ms 0.0 ms 1.0 ms 62.0 ms >>>>> GC Time 0.0 ms 0.0 ms 0.0 ms 0.0 ms 11.0 ms >>>>> Showing 1 to 2 of 2 entries >>>>> Aggregated Metrics by Executor <> >>>>> Show entries >>>>> Search: >>>>> Executor ID Logs Address Task Time Total Tasks Failed >>>>> Tasks Killed Tasks Succeeded Tasks Blacklisted >>>>> driver >>>>> 10.0.0.8:49159 <http://10.0.0.8:49159/> 36 s 2203 0 0 >>>>> 2203 false >>>>> >>>>> >>>>> Spark 3.0 >>>>> >>>>> Summary Metrics for 8 Completed Tasks >>>>> <http://10.0.0.8:4040/stages/stage/?id=1&attempt=0&task.eventTimelinePageNumber=1&task.eventTimelinePageSize=47#tasksTitle> >>>>> Metric Min 25th percentile Median 75th percentile Max >>>>> Duration 3.8 min 4.0 min 4.1 min 4.4 min 5.0 min >>>>> GC Time 3 s 3 s 3 s 4 s 4 s >>>>> Input Size / Records 15.6 MiB / 51028 16.2 MiB / 53303 >>>>> 16.8 MiB / 55259 17.8 MiB / 58148 20.2 MiB / 71624 >>>>> Showing 1 to 3 of 3 entries >>>>> Aggregated Metrics by Executor <> >>>>> Show entries >>>>> Search: >>>>> Executor ID Logs Address Task Time Total Tasks Failed >>>>> Tasks Killed Tasks Succeeded Tasks Blacklisted Input Size / >>>>> Records >>>>> driver >>>>> 10.0.0.8:50224 <http://10.0.0.8:50224/> 33 min 8 0 0 >>>>> 8 false 136.1 MiB / 451999 >>>>> >>>>> >>>>> The DAG is also different >>>>> Spark 2.0 DAG >>>>> >>>>> <Screenshot 2020-06-27 16.30.26.png> >>>>> >>>>> Spark 3.0 DAG >>>>> >>>>> <Screenshot 2020-06-27 16.32.32.png> >>>>> >>>>> >
