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POWhen log shows a lot of GC hits, what code change shall we need?
 

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  1. POWhen log shows a lot of GC hits, what code change shall we need?
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    <p>When log shows a lot of Garbage Collection hits, what code change shall we need?<br> Do we need to free some objects?<br> Will we speed up the code with object reusal?</p> <p><strong>EDIT</strong></p> <p>I run this code against a lot of names:</p> <pre><code> public static String removeAccents(String s) { if (s == null) return null; StringBuilder sb = new StringBuilder(); int n = s.length(); for (int i = 0; i &lt; n; i++) { char c = s.charAt(i); int pos = UNICODE.indexOf(c); if (pos &gt; -1) { sb.append(PLAIN_ASCII.charAt(pos)); } else { sb.append(c); } } return sb.toString(); } </code></pre> <p>EDIT2</p> <p>log of GC</p> <pre><code>05-17 14:05:07.629: DEBUG/dalvikvm(8823): GC freed 13344 objects / 523736 bytes in 73ms 05-17 14:05:08.269: DEBUG/dalvikvm(8823): GC freed 13341 objects / 524608 bytes in 72ms 05-17 14:05:08.889: DEBUG/dalvikvm(8823): GC freed 13302 objects / 525112 bytes in 72ms 05-17 14:05:09.519: DEBUG/dalvikvm(8823): GC freed 13151 objects / 524360 bytes in 72ms 05-17 14:05:10.089: DEBUG/dalvikvm(8823): GC freed 13377 objects / 524384 bytes in 71ms 05-17 14:05:10.779: DEBUG/dalvikvm(8823): GC freed 13137 objects / 523872 bytes in 72ms 05-17 14:05:11.389: DEBUG/dalvikvm(8823): GC freed 13289 objects / 524656 bytes in 72ms 05-17 14:05:12.049: DEBUG/dalvikvm(8823): GC freed 13113 objects / 524336 bytes in 71ms 05-17 14:05:12.299: DEBUG/dalvikvm(4864): GC freed 206 objects / 10216 bytes in 358ms 05-17 14:05:12.769: DEBUG/dalvikvm(8823): GC freed 13289 objects / 524272 bytes in 75ms 05-17 14:05:13.449: DEBUG/dalvikvm(8823): GC freed 13165 objects / 524192 bytes in 68ms 05-17 14:05:14.099: DEBUG/dalvikvm(8823): GC freed 13221 objects / 524016 bytes in 73ms 05-17 14:05:14.719: DEBUG/dalvikvm(8823): GC freed 13179 objects / 524768 bytes in 73ms 05-17 14:05:15.349: DEBUG/dalvikvm(8823): GC freed 13306 objects / 524328 bytes in 73ms 05-17 14:05:15.999: DEBUG/dalvikvm(8823): GC freed 13280 objects / 523536 bytes in 73ms 05-17 14:05:16.589: DEBUG/dalvikvm(8823): GC freed 13314 objects / 524928 bytes in 68ms 05-17 14:05:17.249: DEBUG/dalvikvm(8823): GC freed 13217 objects / 524792 bytes in 73ms 05-17 14:05:17.929: DEBUG/dalvikvm(8823): GC freed 13176 objects / 524104 bytes in 68ms 05-17 14:05:18.449: DEBUG/dalvikvm(9926): GC freed 10341 objects / 558184 bytes in 488ms 05-17 14:05:18.689: DEBUG/dalvikvm(8823): GC freed 13485 objects / 524664 bytes in 75ms 05-17 14:05:19.279: DEBUG/dalvikvm(8823): GC freed 13337 objects / 523816 bytes in 67ms 05-17 14:05:19.909: DEBUG/dalvikvm(8823): GC freed 13269 objects / 524784 bytes in 72ms 05-17 14:05:20.419: DEBUG/dalvikvm(8823): GC freed 13389 objects / 524416 bytes in 72ms 05-17 14:05:21.069: DEBUG/dalvikvm(8823): GC freed 12948 objects / 523712 bytes in 72ms 05-17 14:05:21.659: DEBUG/dalvikvm(8823): GC freed 13436 objects / 525040 bytes in 68ms </code></pre> <p>Do you consider this is too much?</p>
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