<< product bragging alert >> We've got people running Solr on the Zing JVM at various places for exactly this reason. A key side effect of running on Zing is the complete elimination of GC effects, with no code changes or tuning needed. So instead of wanting pauses of half a second or less, and settling for pauses of 2 seconds or less (per your message), you can instead actually run on a JVM with a GC behavior that drops noise to below 20 msec with Solr. And you can get this the day you turn Zing on, without needing to know any more about tuning, or having to make the various interplays or tradeoffs around things like Parnew sizing, heap sizing, occupancy thresholds, and the 75 other flags that may strongly affect your user experience. -- Gil. (CTO, Azul Systems).
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