diff options
Diffstat (limited to 'src/main/java/org/traccar/config/Keys.java')
| -rw-r--r-- | src/main/java/org/traccar/config/Keys.java | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/config/Keys.java b/src/main/java/org/traccar/config/Keys.java index c6a202d2f..a77204175 100644 --- a/src/main/java/org/traccar/config/Keys.java +++ b/src/main/java/org/traccar/config/Keys.java @@ -890,11 +890,12 @@ public final class Keys { Collections.singletonList(KeyType.GLOBAL)); /** - * If FALSE, then filter compares duplicates, distance or period only with the last received location. - * Server expects all locations to come sequentially. + * If false, the server expects all locations to come sequentially (for each device). Filter checks for duplicates, + * distance, speed, or time period only against the location that was last received by server. * - * If TRUE, then filter compares duplicates, distance or period with Position's fixTime strictly before and after. - * Server expects locations to come at random order, since tracking device might go offline. + * If true, the server expects locations to come at random order (since tracking device might go offline). + * Filter checks for duplicates, distance, speed, or time period against the preceding Position's. + * Important: setting to true can cause potential performance issues. */ public static final ConfigKey<Boolean> FILTER_RELATIVE = new ConfigKey<>( "filter.relative", |