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DawnZhang commented on KUDU-2231:
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[~twmarshall] any news on 1.4 ?
> "materializing_iterat
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang commented on KUDU-2231:
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here's detail:
h3. table under test:
{code:sql}
CREATE
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DawnZhang updated KUDU-2231:
Comment: was deleted
(was: here's detail:
h3. table under test:
{code:sql}
CREATE TABLE rawdata.test_table
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
h3. sql
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{c
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{c
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DawnZhang updated KUDU-2231:
Description:
I ran the following SQL again and again
while refresh 8050/scans page at the same time.
sql:
{c
DawnZhang created KUDU-2231:
---
Summary: "materializing_iterator_do_pushdown=true" cause simple
query slow
Key: KUDU-2231
URL: https://issues.apache.org/jira/browse/KUDU-2231
Project: Kudu
Issue Typ
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https://issues.apache.org/jira/browse/KUDU-1985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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DawnZhang updated KUDU-1985:
Description:
dear Kudu developers,
a string field cost at least 16 bytes in rows data while transferring sca
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DawnZhang updated KUDU-1985:
Description:
dear Kudu developers,
a string field cost at least 16 bytes in rows data while transferring sca
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DawnZhang updated KUDU-1985:
Description:
dear Kudu developers,
a string field cost at least 16 bytes in rows data while transferring sca
DawnZhang created KUDU-1985:
---
Summary: optimize result transferring performance for scanning
short/null STRING values
Key: KUDU-1985
URL: https://issues.apache.org/jira/browse/KUDU-1985
Project: Kudu
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DawnZhang commented on KUDU-1762:
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any further instructions on this issue?
[~tlipcon]
> su
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DawnZhang edited comment on KUDU-1762 at 12/23/16 6:10 AM:
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mrs =
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DawnZhang updated KUDU-1762:
Attachment: server02_30day_rss_before_and_after_mrs_flag_2.png
mrs = false flag could not prevent the issue.
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DawnZhang commented on KUDU-1762:
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do i need to add "mrs_use_codegen=false" on the profilin
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DawnZhang edited comment on KUDU-1762 at 12/20/16 7:05 AM:
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https
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DawnZhang updated KUDU-1762:
Attachment: server02_30day_rss_before_and_after_mrs_flag.png
30day rss graph of server02
still have to wait f
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DawnZhang commented on KUDU-1762:
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10GB rss only occurred on the profiling server. (on serv
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DawnZhang edited comment on KUDU-1762 at 12/19/16 3:13 AM:
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--mrs
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DawnZhang commented on KUDU-1762:
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--mrs_use_codegen can not prevents the issue. see the pi
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DawnZhang updated KUDU-1762:
Attachment: mem_rss_graph_2016_12_19.png
before and after "-mrs_use_codegen=false" added.
> suspected tablet
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DawnZhang commented on KUDU-1762:
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"--mrs_use_codegen=false " added.
i'll post the result i
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DawnZhang commented on KUDU-1762:
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/varz page:
Command-line Flags
--block_cache_capacity_
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DawnZhang edited comment on KUDU-1762 at 12/13/16 2:15 PM:
---
tserv
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DawnZhang updated KUDU-1762:
Attachment: tserver_smaps1
tserver /proc/ .. /smaps file
> suspected tablet memory leak
> --
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DawnZhang commented on KUDU-1762:
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$ sudo cat /sys/kernel/mm/redhat_transparent_hugepage/de
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DawnZhang commented on KUDU-1762:
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hi, it's using 10GB now
please download heap files here
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DawnZhang commented on KUDU-1762:
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detail memory usage
{code}
Memory usage by subsystem
I
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DawnZhang commented on KUDU-1762:
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/memz here
{code}
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DawnZhang commented on KUDU-1762:
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tcmalloc heap profiling files uploaded.
see kudu_heap_pr
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DawnZhang updated KUDU-1762:
Attachment: kudu_heap_prof_20161206.tar.gz
tcmalloc heap profiling files.
program:
$ md5sum
/data/cloudera/
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DawnZhang commented on KUDU-1762:
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kudu version:
kudu 1.0.1
revision e60b610253f4303b24d41
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DawnZhang commented on KUDU-1762:
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i turned on the flags but HEAP_PROFILE_TIME_INTERVAL see
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DawnZhang edited comment on KUDU-1762 at 11/29/16 9:56 AM:
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add m
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DawnZhang commented on KUDU-1762:
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add more detail here (the same server as [~cfreely] post
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DawnZhang updated KUDU-1762:
Comment: was deleted
(was: memory usage chart on cloudera manager
tserver hit soft memory limit about every
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DawnZhang updated KUDU-1762:
Attachment: 0B2CE7BB-EF26-4EA1-B824-3584D7D79256.png
memory usage chart on cloudera manager
tserver hit soft
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