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| author | Richard Carlsson <[email protected]> | 2016-11-01 15:36:57 +0100 |
|---|---|---|
| committer | Richard Carlsson <[email protected]> | 2016-11-29 10:31:43 +0100 |
| commit | eda5c4859f561fae7d3a3b74f19dd8596c212966 (patch) | |
| tree | c957eb3248ceb4618fe062af90d28201faf58a48 /lib/kernel/src/disk_log.hrl | |
| parent | 5a8a1a963edd6d6dbb35bf615a4bad7d77041443 (diff) | |
| download | otp-eda5c4859f561fae7d3a3b74f19dd8596c212966.tar.gz otp-eda5c4859f561fae7d3a3b74f19dd8596c212966.tar.bz2 otp-eda5c4859f561fae7d3a3b74f19dd8596c212966.zip | |
Improve caching in disk_log
Avoid starting timers for flushing when the written data is empty or larger
than the max cache size. Previously, a single huge write to an empty cache
would be put in the cache until the next write or the timer event. Also
increase the cache size from 16K to 64K.
Diffstat (limited to 'lib/kernel/src/disk_log.hrl')
| -rw-r--r-- | lib/kernel/src/disk_log.hrl | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/kernel/src/disk_log.hrl b/lib/kernel/src/disk_log.hrl index 3cf8a3b3a2..593dbb31ab 100644 --- a/lib/kernel/src/disk_log.hrl +++ b/lib/kernel/src/disk_log.hrl @@ -39,6 +39,7 @@ -define(MAX_FILES, 65000). -define(MAX_BYTES, ((1 bsl 64) - 1)). -define(MAX_CHUNK_SIZE, 65536). +-define(MAX_FWRITE_CACHE, 65536). %% Object defines -define(LOGMAGIC, <<1,2,3,4>>). |