[GitHub] athanatos edited a comment on issue #1937: [bk-gc] Fix GC thread gets blocked

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athanatos edited a comment on issue #1937: [bk-gc] Fix GC thread gets blocked
URL: https://github.com/apache/bookkeeper/pull/1937#issuecomment-461255873
 
 
   @rdhabalia No, the patch I linked above addresses a problem with the zk client side cxid (which unlike the zxid increments with reads), not the zk server side zxid.  Rolling the client side cxid is actually harmless and does not require a leader election.  With that patch, this call won't hang in the first place.  However, that may not be the only such bug and there are other ways for zk calls to hang, so this patch may nevertheless be useful for some auxiliary zk users like the gc scan.

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