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* performance/io-cache: fix memory leak.Raghavendra G2009-10-281-0/+1
| | | | | | | | | - page table of cache was not being destroyed in ioc_forget. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: fix double free.Raghavendra G2009-10-281-1/+1
| | | | | | | | | | | - the destroyer function passed to rbthash_table_init is used to free the data. The data being inserted is page and it is destroyed in ioc_page_destroy. Hence no destroyer function needs to be passed to rbthash_table_init. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: change data structure used to store page-cache.Raghavendra G2009-10-285-69/+90
| | | | | | | | | - io-cache uses rbtree based hash tables to store page-cache instead of lists. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/write-behind: fix to bug in setattr which was causing frames to ↵Raghavendra G2009-10-201-1/+2
| | | | | | | | | | | | | | | be missed. - local->file was being assigned even before file pointer was got from any of the fds opened on the inode, thus making local->file to be NULL. In wb_setattr_cbk, since local->file is NULL (and hence file passed to wb_process_queue), wb_process_queue does not resume the pending operations queued for the file. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 327 (dbench does not complete) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=327
* performance/read-ahead: Process state dump operations are added.vinayak hegde2009-10-201-0/+47
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* performance/quick-read: Process state dump operations are added.vinayak hegde2009-10-201-0/+35
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* performance/write-behind: Process state dump operations are added.vinayak hegde2009-10-201-0/+43
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* performance/write-behind: initialize frame->local before goto out labelvinayak hegde2009-10-161-10/+10
| | | | | | | | | | if mtime,atime are not changed, frame->local will not be initialized. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* performance/write-behind: In wb_setattr, inode is checked twicevinayak hegde2009-10-151-27/+10
| | | | | | | | | | 1. check for is it a directory, 2. otherwise check for inode and continue. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* performance/io-cache: remove caching in lookup.Raghavendra G2009-10-151-219/+0
| | | | | | | | | | - caching file contents in io-cache during lookup is obsolete since quick-read does the same work. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 314 (Hang in quick-read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=314
* performance/quick-read: frame->local need not be set in qr_open_cbk.Raghavendra G2009-10-151-4/+1
| | | | | | | | | | - local is used only by certain operations and hence it need not be set by all the operations invoking open. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 323 (fd leak with quick-read loaded in translator tree) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=323
* performance/quick-read: flush should proceed with winding if fd-context is ↵Raghavendra G2009-10-151-2/+1
| | | | | | | | | | | | not found. - if the fd-context is not set, quick-read has no role to play other than just passing down the call to underlying translators. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 317 (Data corruption with write-behind loaded in translator tree.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=317
* performance/write-behind:STACK_UNWIND happens only in failure path of wb_stat()Vijay Bellur2009-10-151-1/+2
| | | | | | | | | | Only in case of errors STACK_UNWIND happens in wb_stat(). Also, fixed an incorrect check which would fail all writes. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 309 (In replicate set-up when exnihilate.sh is run , client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=309
* io-cache: NFS-friendly changesShehjar Tikoo2009-10-141-3/+4
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
* performance/write-behind: return from wb_open after STACK_WINDVijay Bellur2009-10-141-0/+1
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 312 (iozone crash in Distribute-Replicate) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=312
* performance/write-behind: In wb_setattr file is used before getting fd contextvinayak hegde2009-10-131-1/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* performance/write-behind: file is referenced, without checking for NULLvinayak hegde2009-10-131-1/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* performance/quick-read: change the default option values in quick-read.Raghavendra G2009-10-091-1/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 273 (Code review and optimize quick-read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=273
* performance/write-behind: Add enable-trickling-writes to volume_options.Raghavendra G2009-10-091-0/+3
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 276 (write behind needs to be optimized.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=276
* performance/stat-prefetch: checking for cache and creation if not present is ↵Raghavendra G2009-10-091-23/+64
| | | | | | | | | made atomic. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in xattrop if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_entrylk.Raghavendra G2009-10-091-0/+85
| | | | | | | | | - lookup on path should be sent in entrylk if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_inodelk.Raghavendra G2009-10-091-0/+83
| | | | | | | | | - path has to be looked up in inodelk if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in removexattr if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_getxattr.Raghavendra G2009-10-091-0/+89
| | | | | | | | | - path should be looked up in getxattr if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in setxattr if it is not already ↵Raghavendra G2009-10-091-10/+71
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in opendir if it is not already ↵Raghavendra G2009-10-091-9/+72
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in create if it is not already looked up.Raghavendra G2009-10-091-15/+88
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: remove stat corresponding to oldloc->path from ↵Raghavendra G2009-10-091-3/+9
| | | | | | | | | | | cache in sp_link. - ctime of oldloc->path will be changed on completion of link fop. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup oldloc->path in link if it has not already ↵Raghavendra G2009-10-091-12/+83
| | | | | | | | | been looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup oldpath and newpath in rename if they've ↵Raghavendra G2009-10-092-17/+185
| | | | | | | | | not already been looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in symlink if it is not already ↵Raghavendra G2009-10-091-12/+73
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in rmdir if it is not already looked up.Raghavendra G2009-10-091-13/+71
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in unlink if it is not already looked up.Raghavendra G2009-10-091-12/+70
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: fix mkdir to unwind with proper number of arguments.Raghavendra G2009-10-091-2/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in mkdir if it is not already looked up.Raghavendra G2009-10-091-12/+75
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in mknod if it is not already looked up.Raghavendra G2009-10-091-12/+75
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* peformance/stat-prefetch: lookup path in readlink if it is not already ↵Raghavendra G2009-10-091-10/+70
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_accessRaghavendra G2009-10-091-0/+79
| | | | | | | | | - sp_access should send lookup on the path if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in truncate if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in setattr if it is not already ↵Raghavendra G2009-10-091-11/+70
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_stat.Raghavendra G2009-10-091-0/+87
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in checksum if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup the path in open if it is not already ↵Raghavendra G2009-10-091-9/+77
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement procedure sp_process_inode_ctx.Raghavendra G2009-10-091-0/+93
| | | | | | | | | | | | | - this procedure processes inode_ctx to make decisions like whether the current procedure can continue (i.e., inode is already looked up), or the procedure has to initiate/wait for lookup on the path. It also sets up the frame->local and adds the stub corresponding to current fop if needed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: use op_errno instead of errno to store error code.Raghavendra G2009-10-091-109/+191
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: Add support code to implement lookup-behind.Raghavendra G2009-10-092-55/+199
| | | | | | | | | | | | | - change sp_lookup and sp_lookup_cbk to support sending lookups when needed. lookups might need to be sent in fops like open, chmod, chown etc which operate on a path, since the actual lookup sent to stat-prefetch by its parent xlators is not propagated down the xlator tree if the path is cached. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: remove lookup-behind in sp_lookup.Raghavendra G2009-10-091-60/+8
| | | | | | | | | | | | - lookup-behind should be done on-demand basis, in fops like open instead of in sp_lookup itself. This would reduce network traffic between client and server related to lookup, if the only use of lookup was to fetch stat structure. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: optimizations to sp_lookup.Raghavendra G2009-10-091-1/+12
| | | | | | | | | | | - if stat cache cannot be found for a path in its parent inode and the path is a directory, we can get the cache from the inode corresponding to path and look for "." in that cache. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: Add accounting of cache hits and misses.Raghavendra G2009-10-092-0/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
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