Documentation
Products
Services & Support
Solutions
List of Pages in Category Performance (68 pages)
Start typing to see matching topic titles in the
Performance
category:
If this category isn't helpful:
List of all categories
|
Back to navigation tree view
A
B
C
D
E
G
H
I
L
M
N
O
P
Q
R
S
T
U
*
All Cloudera Documentation Categories
A
(Task)
Auditing Impala Operations
(1060 words:
)
B
BATCH_SIZE Query Option
(218 words:
)
(Task)
Benchmarking Impala Queries
(291 words:
)
C
(Task)
Choosing and Configuring Data Compression
(557 words:
)
COMPUTE STATS Statement
(3437 words:
)
(Task)
Configuring HiveServer2 High Availability in CDH
(1546 words:
)
(Task)
Configuring Short-Circuit Reads
(453 words:
)
(Task)
Controlling Impala Resource Usage
(391 words:
)
D
(Task)
Detecting and Correcting HDFS Block Skew Conditions
(1104 words:
)
DISABLE_CODEGEN Query Option
(278 words:
)
DISABLE_ROW_RUNTIME_FILTERING Query Option (CDH 5.7 or higher only)
(383 words:
)
DISABLE_STREAMING_PREAGGREGATIONS Query Option (CDH 5.7 or higher only)
(333 words:
)
DISABLE_UNSAFE_SPILLS Query Option (CDH 5.2 or higher only)
(386 words:
)
DROP STATS Statement
(2208 words:
)
E
EXEC_SINGLE_NODE_ROWS_THRESHOLD Query Option (CDH 5.3 or higher only)
(550 words:
)
EXPLAIN Statement
(1531 words:
)
EXPLAIN_LEVEL Query Option
(1862 words:
)
G
(Concept)
Guidelines for Designing Impala Schemas
(1288 words:
)
H
Hedged Reads
(509 words:
)
Hive Metastore High Availability
(867 words:
)
Hive Table Statistics
(316 words:
)
I
(Concept)
Impala Performance Guidelines and Best Practices
(2241 words:
)
Impala User-Defined Functions (UDFs)
(7142 words:
)
(Task)
Installing Hive
(1101 words:
)
L
LIVE_PROGRESS Query Option (CDH 5.5 or higher only)
(607 words:
)
LIVE_SUMMARY Query Option (CDH 5.5 or higher only)
(1275 words:
)
M
MAX_NUM_RUNTIME_FILTERS Query Option (CDH 5.7 or higher only)
(341 words:
)
MAX_SCAN_RANGE_LENGTH Query Option
(317 words:
)
(Task)
Monitoring the Performance of HDFS Replications
(925 words:
)
(Task)
Monitoring the Performance of Hive Replications
(1080 words:
)
N
NUM_SCANNER_THREADS Query Option
(209 words:
)
O
OPTIMIZE_PARTITION_KEY_SCANS Query Option (CDH 5.7 or higher only)
(982 words:
)
(Task)
Optimizing Performance in CDH
(1399 words:
)
P
(Task)
Partitioning for Impala Tables
(3953 words:
)
Performance Considerations for Join Queries
(2879 words:
)
Performance Management
(201 words:
)
Post-Installation Configuration for Impala
(816 words:
)
PREFETCH_MODE Query Option (CDH 5.8 or higher only)
(226 words:
)
Q
Query Hints in Impala SELECT Statements
(1762 words:
)
R
Runtime Filtering for Impala Queries (CDH 5.7 or higher only)
(3109 words:
)
RUNTIME_BLOOM_FILTER_SIZE Query Option (CDH 5.7 or higher only)
(517 words:
)
RUNTIME_FILTER_MAX_SIZE Query Option (CDH 5.8 or higher only)
(306 words:
)
RUNTIME_FILTER_MIN_SIZE Query Option (CDH 5.8 or higher only)
(306 words:
)
RUNTIME_FILTER_MODE Query Option (CDH 5.7 or higher only)
(429 words:
)
RUNTIME_FILTER_WAIT_TIME_MS Query Option (CDH 5.7 or higher only)
(266 words:
)
S
S3_SKIP_INSERT_STAGING Query Option (CDH 5.8 or higher only)
(473 words:
)
Scalability Considerations for Impala
(4424 words:
)
SCAN_NODE_CODEGEN_THRESHOLD Query Option (CDH 5.7 or higher only)
(447 words:
)
SCHEDULE_RANDOM_REPLICA Query Option (CDH 5.7 or higher only)
(504 words:
)
SHOW Statement
(8094 words:
)
(Task)
Sizing NameNode Heap Memory
(1580 words:
)
(Task)
Storing Medium Objects (MOBs) in HBase
(1274 words:
)
T
Table and Column Statistics
(6982 words:
)
(Task)
Testing Impala Performance
(691 words:
)
(Task)
Tuning Hive
(3910 words:
)
(Task)
Tuning Hive on Spark
(2074 words:
)
(Task)
Tuning Impala for Performance
(678 words:
)
(Task)
Tuning Spark Applications
(3305 words:
)
(Task)
Tuning Spark Applications
(3309 words:
)
(Task)
Tuning the Solr Server
(2924 words:
)
(Task)
Tuning YARN
(1420 words:
)
U
(Task)
Understanding Impala Query Performance - EXPLAIN Plans and Query Profiles
(1554 words:
)
(Task)
Using Apache Parquet Data Files with CDH
(3255 words:
)
(Task)
Using HDFS Caching with Impala (CDH 5.3 or higher only)
(3532 words:
)
(Task)
Using Impala to Query HBase Tables
(4112 words:
)
(Task)
Using Impala with the Amazon S3 Filesystem
(4316 words:
)
(Task)
Using Text Data Files with Impala Tables
(4023 words:
)
(Task)
Using the Parquet File Format with Impala Tables
(6892 words:
)