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new a045d92 [docs] Update dbStorage_writeCacheMaxSizeMb configuration
(#8756)
a045d92 is described below
commit a045d926c9620a3744a4bc755bf6f2a65209e6b6
Author: Jennifer Huang <[email protected]>
AuthorDate: Wed Dec 2 00:58:54 2020 +0800
[docs] Update dbStorage_writeCacheMaxSizeMb configuration (#8756)
Fixes https://github.com/apache/bookkeeper/issues/2500
### Motivation
The dbStorage_writeCacheMaxSizeMb description is not described clearly in
the docs.
### Modifications
Update the doc with broker.conf file and sync in different versions.
---
site2/docs/reference-configuration.md | 2 +-
.../versioned_docs/version-2.1.0-incubating/reference-configuration.md | 2 +-
.../versioned_docs/version-2.1.1-incubating/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.2.0/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.2.1/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.3.0/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.3.1/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.3.2/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.4.0/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.4.1/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.4.2/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.5.0/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.5.1/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.5.2/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.6.0/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.6.1/reference-configuration.md | 2 +-
site2/website/versioned_docs/version-2.6.2/reference-configuration.md | 2 +-
17 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/site2/docs/reference-configuration.md
b/site2/docs/reference-configuration.md
index 67ed800..573a78f 100644
--- a/site2/docs/reference-configuration.md
+++ b/site2/docs/reference-configuration.md
@@ -118,7 +118,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|bookieAuthProviderFactoryClass|The factory class name of the bookie
authentication provider. If this is null, then there is no authentication.|null|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log. For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval. By default, it is
allocated to 25% of the available direct memory.|N/A
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log. For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens. By default, it is allocated to 25% of the available
direct memory.|N/A|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases. By default, it uses 10%
of direct memory.|N/A|
diff --git
a/site2/website/versioned_docs/version-2.1.0-incubating/reference-configuration.md
b/site2/website/versioned_docs/version-2.1.0-incubating/reference-configuration.md
index 3d67d5f..e544b5a 100644
---
a/site2/website/versioned_docs/version-2.1.0-incubating/reference-configuration.md
+++
b/site2/website/versioned_docs/version-2.1.0-incubating/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.1.1-incubating/reference-configuration.md
b/site2/website/versioned_docs/version-2.1.1-incubating/reference-configuration.md
index ab8e387..a2e0b59 100644
---
a/site2/website/versioned_docs/version-2.1.1-incubating/reference-configuration.md
+++
b/site2/website/versioned_docs/version-2.1.1-incubating/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.2.0/reference-configuration.md
b/site2/website/versioned_docs/version-2.2.0/reference-configuration.md
index 10e76ea..2768648 100644
--- a/site2/website/versioned_docs/version-2.2.0/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.2.0/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.2.1/reference-configuration.md
b/site2/website/versioned_docs/version-2.2.1/reference-configuration.md
index 4ca50d4..09a81ff 100644
--- a/site2/website/versioned_docs/version-2.2.1/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.2.1/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.3.0/reference-configuration.md
b/site2/website/versioned_docs/version-2.3.0/reference-configuration.md
index 8b765cd..c2a6668 100644
--- a/site2/website/versioned_docs/version-2.3.0/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.3.0/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.3.1/reference-configuration.md
b/site2/website/versioned_docs/version-2.3.1/reference-configuration.md
index 25f3a18..b70866b 100644
--- a/site2/website/versioned_docs/version-2.3.1/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.3.1/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|512|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|256|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|268435456|
diff --git
a/site2/website/versioned_docs/version-2.3.2/reference-configuration.md
b/site2/website/versioned_docs/version-2.3.2/reference-configuration.md
index fe91495..1802b4a 100644
--- a/site2/website/versioned_docs/version-2.3.2/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.3.2/reference-configuration.md
@@ -85,7 +85,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.4.0/reference-configuration.md
b/site2/website/versioned_docs/version-2.4.0/reference-configuration.md
index 2e805d0..e7e7239 100644
--- a/site2/website/versioned_docs/version-2.4.0/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.4.0/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.4.1/reference-configuration.md
b/site2/website/versioned_docs/version-2.4.1/reference-configuration.md
index 3fac3a0..e7c823b 100644
--- a/site2/website/versioned_docs/version-2.4.1/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.4.1/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.4.2/reference-configuration.md
b/site2/website/versioned_docs/version-2.4.2/reference-configuration.md
index 375b6de..890181a 100644
--- a/site2/website/versioned_docs/version-2.4.2/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.4.2/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.5.0/reference-configuration.md
b/site2/website/versioned_docs/version-2.5.0/reference-configuration.md
index 365aa43..dc1ad29 100644
--- a/site2/website/versioned_docs/version-2.5.0/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.5.0/reference-configuration.md
@@ -86,7 +86,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.5.1/reference-configuration.md
b/site2/website/versioned_docs/version-2.5.1/reference-configuration.md
index ff4a941..1a00788 100644
--- a/site2/website/versioned_docs/version-2.5.1/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.5.1/reference-configuration.md
@@ -86,7 +86,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.5.2/reference-configuration.md
b/site2/website/versioned_docs/version-2.5.2/reference-configuration.md
index 362988c..7b63a0b 100644
--- a/site2/website/versioned_docs/version-2.5.2/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.5.2/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.6.0/reference-configuration.md
b/site2/website/versioned_docs/version-2.6.0/reference-configuration.md
index 65fd1ff..1215771 100644
--- a/site2/website/versioned_docs/version-2.6.0/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.6.0/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.6.1/reference-configuration.md
b/site2/website/versioned_docs/version-2.6.1/reference-configuration.md
index c0179c8..46dd8aa 100644
--- a/site2/website/versioned_docs/version-2.6.1/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.6.1/reference-configuration.md
@@ -87,7 +87,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a
substantial amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
diff --git
a/site2/website/versioned_docs/version-2.6.2/reference-configuration.md
b/site2/website/versioned_docs/version-2.6.2/reference-configuration.md
index 32ec853..0be83e0 100644
--- a/site2/website/versioned_docs/version-2.6.2/reference-configuration.md
+++ b/site2/website/versioned_docs/version-2.6.2/reference-configuration.md
@@ -86,7 +86,7 @@ BookKeeper is a replicated log storage system that Pulsar
uses for durable stora
|useHostNameAsBookieID|Whether the bookie should use its hostname to register
with the coordination service (e.g.: zookeeper service). When false, bookie
will use its ipaddress for the registration.|false|
|statsProviderClass||org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider|
|prometheusStatsHttpPort||8000|
-|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold a sub|25%
of direct memory|
+|dbStorage_writeCacheMaxSizeMb|Size of Write Cache. Memory is allocated from
JVM direct memory. Write cache is used to buffer entries before flushing into
the entry log For good performance, it should be big enough to hold substantial
amount of entries in the flush interval.|25% of direct memory|
|dbStorage_readAheadCacheMaxSizeMb|Size of Read cache. Memory is allocated
from JVM direct memory. This read cache is pre-filled doing read-ahead whenever
a cache miss happens|25% of direct memory|
|dbStorage_readAheadCacheBatchSize|How many entries to pre-fill in cache after
a read cache miss|1000|
|dbStorage_rocksDB_blockCacheSize|Size of RocksDB block-cache. For best
performance, this cache should be big enough to hold a significant portion of
the index database which can reach ~2GB in some cases|10% of direct memory|
