Young-Seok Kim has posted comments on this change.

Change subject: Make LSM bulkload append-only and write-once.
......................................................................


Patch Set 41:

(14 comments)

to be continued

https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
File 
hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java:

Line 230:             //readBloomFilterMetaData();
remove!


Line 253:         private void persistBloomFilterMetaData() throws 
HyracksDataException {
Let's give a meaningful name.


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java
File 
hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java:

Line 55:     protected boolean hasEverBeenActivated = false;
could you add comment for the purpose of having hasEverBeenActivated flag from 
isActive?


Line 181:         }
Let's just use FreePageManager.appendOnlyMode()


Line 369:                     continue;
remove continue?


Line 412:             }
remove else{


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java
File 
hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java:

Line 618:             //component.getBuddyBTree().create(false);
remove comments


Line 623: //        component.getBuddyBTree().activate();
remove comments


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java
File 
hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java:

Line 441:         //System.out.println("Flushing component:"+ 
component.getBTree().hashCode());
remove comment


Line 587: //        // Flush the bloom filter first.
clean up


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
File 
hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java:

Line 75:             //System.out.println("Searching disk component: 
"+btreeAccessors[i].hashCode());
remove!


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java
File 
hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java:

Line 84:                 
treeMetaManager.setFilterPage(bufferCache.confiscatePage(-2l));
use INVALID_DPID


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java
File 
hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java:

Line 393:     public boolean isVirtual(ICachedPage vp) throws 
HyracksDataException {
remove the interface method


https://asterix-gerrit.ics.uci.edu/#/c/255/41/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
File 
hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java:

Line 885:         forceFlushDirtyPages(invIndex.getBTree());
Make sure that the inverted list file pages are all flushed.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I80fb891b5310252143854a336b591bf3f8cd4ba7
Gerrit-PatchSet: 41
Gerrit-Project: hyracks
Gerrit-Branch: master
Gerrit-Owner: Ian Maxon <[email protected]>
Gerrit-Reviewer: Ian Maxon <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Murtadha Hubail <[email protected]>
Gerrit-Reviewer: Young-Seok Kim <[email protected]>
Gerrit-HasComments: Yes

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