MAPREDUCE-7101. Add config parameter to allow JHS to alway scan user dir irrespective of modTime. (Thomas Marquardt via asuresh)
This commit is contained in:
parent
aeaf9fec62
commit
5670e89b2e
@ -62,6 +62,11 @@ public class JHAdminConfig {
|
|||||||
public static final long DEFAULT_MR_HISTORY_CLEANER_INTERVAL_MS =
|
public static final long DEFAULT_MR_HISTORY_CLEANER_INTERVAL_MS =
|
||||||
1 * 24 * 60 * 60 * 1000l; //1 day
|
1 * 24 * 60 * 60 * 1000l; //1 day
|
||||||
|
|
||||||
|
/** Always scan user dir, irrespective of dir modification time.*/
|
||||||
|
public static final String MR_HISTORY_ALWAYS_SCAN_USER_DIR =
|
||||||
|
MR_HISTORY_PREFIX + "always-scan-user-dir";
|
||||||
|
public static final boolean DEFAULT_MR_HISTORY_ALWAYS_SCAN_USER_DIR =
|
||||||
|
false;
|
||||||
|
|
||||||
/** The number of threads to handle client API requests.*/
|
/** The number of threads to handle client API requests.*/
|
||||||
public static final String MR_HISTORY_CLIENT_THREAD_COUNT =
|
public static final String MR_HISTORY_CLIENT_THREAD_COUNT =
|
||||||
|
@ -1774,6 +1774,15 @@
|
|||||||
</description>
|
</description>
|
||||||
</property>
|
</property>
|
||||||
|
|
||||||
|
<property>
|
||||||
|
<name>mapreduce.jobhistory.always-scan-user-dir</name>
|
||||||
|
<value>false</value>
|
||||||
|
<description>Some Cloud FileSystems do not currently update the
|
||||||
|
modification time of directories. To support these filesystems, this
|
||||||
|
configuration value should be set to 'true'.
|
||||||
|
</description>
|
||||||
|
</property>
|
||||||
|
|
||||||
<property>
|
<property>
|
||||||
<name>mapreduce.jobhistory.done-dir</name>
|
<name>mapreduce.jobhistory.done-dir</name>
|
||||||
<value>${yarn.app.mapreduce.am.staging-dir}/history/done</value>
|
<value>${yarn.app.mapreduce.am.staging-dir}/history/done</value>
|
||||||
|
@ -324,7 +324,13 @@ public synchronized void scanIfNeeded(FileStatus fs) {
|
|||||||
// so we need to have additional check.
|
// so we need to have additional check.
|
||||||
// Note: modTime (X second Y millisecond) could be casted to X second or
|
// Note: modTime (X second Y millisecond) could be casted to X second or
|
||||||
// X+1 second.
|
// X+1 second.
|
||||||
if (modTime != newModTime
|
// MAPREDUCE-7101: Some Cloud FileSystems do not currently update the
|
||||||
|
// modification time of directories. For these, we scan every time if
|
||||||
|
// the 'alwaysScan' is true.
|
||||||
|
boolean alwaysScan = conf.getBoolean(
|
||||||
|
JHAdminConfig.MR_HISTORY_ALWAYS_SCAN_USER_DIR,
|
||||||
|
JHAdminConfig.DEFAULT_MR_HISTORY_ALWAYS_SCAN_USER_DIR);
|
||||||
|
if (alwaysScan || modTime != newModTime
|
||||||
|| (scanTime/1000) == (modTime/1000)
|
|| (scanTime/1000) == (modTime/1000)
|
||||||
|| (scanTime/1000 + 1) == (modTime/1000)) {
|
|| (scanTime/1000 + 1) == (modTime/1000)) {
|
||||||
// reset scanTime before scanning happens
|
// reset scanTime before scanning happens
|
||||||
|
Loading…
Reference in New Issue
Block a user