[Xapian-tickets] [Xapian] #546: xapian-replicate reads from a socket without using timeouts

[Xapian]

#546: xapian-replicate reads from a socket without using timeouts
--------------------+-------------------------------------------------------
 Reporter:  nkvoll  |       Owner:  olly
     Type:  defect  |      Status:  new 
 Priority:  normal  |   Milestone:      
Component:  Other   |     Version:      
 Severity:  normal  |    Keywords:      
Blockedby:          |    Platform:  All 
 Blocking:          |  
--------------------+-------------------------------------------------------

Comment(by olly):

 Paste of external content (please just include such information in the
 ticket unless it's really enormous, otherwise if the external content goes
 away context is lost):

 {{{
 # ps aux | grep xapian
 user     1074  0.1  0.3  26532  2112 ?        S    May16   4:54 xapian-
 replicate -v -h [...]

 # strace -p 1074
 Process 1074 attached - interrupt to quit
 read(3,

 ...

 # gdb --pid 1074
 GNU gdb (GDB) 7.2-ubuntu
 Attaching to process 1074
 Reading symbols from /usr/local/bin/xapian-replicate...done.
 Reading symbols from /usr/local/lib/libxapian.so.22...done.
 Loaded symbols for /usr/local/lib/libxapian.so.22
 0x00007f04914db710 in read () from /lib/libc.so.6
 (gdb) bt
 #0  0x00007f04914db710 in read () from /lib/libc.so.6
 #1  0x00007f04924b8135 in read (this=0x15472f0, min_len=61,
 end_time=<value optimized out>) at /usr/include/bits/unistd.h:45
 #2  RemoteConnection::read_at_least (this=0x15472f0, min_len=61,
 end_time=<value optimized out>) at net/remoteconnection.cc:130
 #3  0x00007f04924b9b7c in RemoteConnection::get_message_chunk (this=0x3,
 result=..., at_least=140735456284160, end_time=0) at
 net/remoteconnection.cc:572
 #4  0x00007f0492419c4e in
 ChertDatabaseReplicator::process_changeset_chunk_blocks (this=<value
 optimized out>, tablename=<value optimized out>, buf=..., conn=...,
 end_time=<value optimized out>, changes_fd=-1) at
 backends/chert/chert_databasereplicator.cc:205
 #5  0x00007f049241af60 in
 ChertDatabaseReplicator::apply_changeset_from_conn (this=<value optimized
 out>, conn=..., end_time=<value optimized out>, valid=<value optimized
 out>) at backends/chert/chert_databasereplicator.cc:353
 #6  0x00007f04923b6596 in
 Xapian::DatabaseReplica::Internal::apply_next_changeset (this=0x1543f50,
 info=0x7fff86e12790, reader_close_time=30) at api/replication.cc:583
 #7  0x00007f04923b6d7b in Xapian::DatabaseReplica::apply_next_changeset
 (this=<value optimized out>, info=0x7fff86e10e00, reader_close_time=4096)
 at api/replication.cc:280
 #8  0x00007f04924c2e43 in ReplicateTcpClient::update_from_master
 (this=<value optimized out>, path=<value optimized out>, masterdb=...,
 info=..., reader_close_time=<value optimized out>) at
 net/replicatetcpclient.cc:60
 #9  0x0000000000401a93 in main (argc=<value optimized out>,
 argv=0x7fff86e12b08) at bin/xapian-replicate.cc:146
 (gdb)
 }}}

-- 
Ticket URL: <http://trac.xapian.org/ticket/546#comment:3>
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