diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/conn/conn_sweep.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/conn/conn_sweep.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/third_party/wiredtiger/src/conn/conn_sweep.c b/src/third_party/wiredtiger/src/conn/conn_sweep.c index 3de9347f38f..8da32416242 100644 --- a/src/third_party/wiredtiger/src/conn/conn_sweep.c +++ b/src/third_party/wiredtiger/src/conn/conn_sweep.c @@ -283,6 +283,13 @@ __sweep_server(void *arg) WT_STAT_FAST_CONN_INCR(session, dh_sweeps); /* + * Sweep the lookaside table. If the lookaside table hasn't yet + * been written, there's no work to do. + */ + if (__wt_las_is_written(session)) + WT_ERR(__wt_las_sweep(session)); + + /* * Mark handles with a time of death, and report whether any * handles are marked dead. If sweep_idle_time is 0, handles * never become idle. @@ -359,8 +366,14 @@ __wt_sweep_create(WT_SESSION_IMPL *session) /* * Handle sweep does enough I/O it may be called upon to perform slow * operations for the block manager. + * + * The sweep thread sweeps the lookaside table for outdated records, + * it gets its own cursor for that purpose. + * + * Don't tap the sweep thread for eviction. */ - F_SET(session, WT_SESSION_CAN_WAIT); + F_SET(session, WT_SESSION_CAN_WAIT | + WT_SESSION_LOOKASIDE_CURSOR | WT_SESSION_NO_EVICTION); WT_RET(__wt_cond_alloc( session, "handle sweep server", 0, &conn->sweep_cond)); @@ -399,5 +412,9 @@ __wt_sweep_destroy(WT_SESSION_IMPL *session) conn->sweep_session = NULL; } + + /* Discard any saved lookaside key. */ + __wt_buf_free(session, &conn->las_sweep_key); + return (ret); } |