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Alexandru Sisu alexsisu

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  • bigdataresearch.io
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alexsisu / test_parquet_query.py
Created March 19, 2020 14:55
mport os
import sys
import psutil
import pyarrow.parquet as pq
import time
import cudf
import subprocess
from subprocess import Popen, PIPE
from blazingsql import BlazingContext
@alexsisu
alexsisu / business-models.md
Created July 23, 2014 17:42 — forked from ndarville/business-models.md

Business Models

Advertising

Models Examples
Display ads Yahoo!
Search ads Google
@alexsisu
alexsisu / gist:3235953
Created August 2, 2012 09:45
Thread CPU consumption by id.
Tasks: 232 total, 1 running, 231 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.9%us, 0.2%sy, 0.0%ni, 97.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 132150264k total, 129247212k used, 2903052k free, 168804k buffers
Swap: 67190776k total, 306704k used, 66884072k free, 15678276k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5218 buzzcapt 20 0 126g 102g 8912 R 100.8 81.2 2352:08 java
5252 buzzcapt 20 0 126g 102g 8912 S 1.0 81.2 17:26.02 java
65018 buzzcapt 20 0 126g 102g 8912 S 1.0 81.2
@alexsisu
alexsisu / buzz_jstack_cpu_idle_snapshot1
Created August 1, 2012 13:50
high cpu consumption 200% in the last 2 days.
2012-08-01 14:38:26
Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.2-b06 mixed mode):
"Attach Listener" daemon prio=10 tid=0x00007fd580001800 nid=0xc237 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"elasticsearch[artemis2]http_server_worker-pool-23-thread-6236" daemon prio=10 tid=0x00007fd4f8269000 nid=0xc1d5 waiting on condition [0x00007fd486659000]
@alexsisu
alexsisu / partial_update_maybe_issue
Created April 16, 2012 12:04
ElasticSearch partial field update: remove element from array, does not work
curl -XPUT 'http://localhost:9200/testindex' -d '{
"settings":
{
"number_of_shards": 1,
"number_of_replicas": 0
}
}
'
curl -XPUT 'http://localhost:9200/testindex/posting/_mapping' -d '
@alexsisu
alexsisu / jhat_es_hprof_stat
Created December 19, 2011 14:05
jhat_es_hprof_stat
Heap Histogram
All Classes (excluding platform)
Class Instance Count Total Size
class [I 2287 10128210616
class [B 3280 463710673
class [J 1586 50219808
class [C 38406 1842394
class [Ljava.util.HashMap$Entry; 6683 1128912
@alexsisu
alexsisu / jstack_es_blocked
Created December 12, 2011 15:50
jstack elastic_search
Thread 19023: (state = BLOCKED)
- org.elasticsearch.index.field.data.support.FieldDataLoader.load(org.apache.lucene.index.IndexReader, java.lang.String, org.elasticsearch.index.field.data.support.FieldDataLoader$TypeLoader) @bci=107, line=57 (Compiled frame; information may be imprecise)
- org.elasticsearch.index.field.data.strings.StringFieldData.load(org.apache.lucene.index.IndexReader, java.lang.String) @bci=9, line=84 (Interpreted frame)
- org.elasticsearch.index.field.data.strings.StringFieldDataType.load(org.apache.lucene.index.IndexReader, java.lang.String) @bci=2, line=52 (Interpreted frame)
- org.elasticsearch.index.field.data.strings.StringFieldDataType.load(org.apache.lucene.index.IndexReader, java.lang.String) @bci=3, line=34 (Interpreted frame)
- org.elasticsearch.index.field.data.FieldData.load(org.elasticsearch.index.field.data.FieldDataType, org.apache.lucene.index.IndexReader, java.lang.String) @bci=3, line=110 (Interpreted frame)
- org.elasticsearch.index.cache.field.data.support.Abstr