77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*-
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* Public Domain 2014-2015 MongoDB, Inc.
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* Public Domain 2008-2014 WiredTiger, Inc.
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "format.h"
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/*
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* compaction --
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* Periodically do a compaction operation.
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*/
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void *
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compact(void *arg)
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{
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WT_CONNECTION *conn;
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WT_SESSION *session;
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u_int period;
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int ret;
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(void)(arg);
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/* Compaction isn't supported for all data sources. */
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if (DATASOURCE("helium") || DATASOURCE("kvsbdb"))
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return (NULL);
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/* Open a session. */
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conn = g.wts_conn;
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if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
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die(ret, "connection.open_session");
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/*
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* Perform compaction at somewhere under 15 seconds (so we get at
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* least one done), and then at 23 second intervals.
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*/
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for (period = MMRAND(1, 15);; period = 23) {
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/* Sleep for short periods so we don't make the run wait. */
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while (period > 0 && !g.workers_finished) {
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--period;
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sleep(1);
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}
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if (g.workers_finished)
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break;
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if ((ret = session->compact(
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session, g.uri, NULL)) != 0 && ret != WT_ROLLBACK)
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die(ret, "session.compact");
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}
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if ((ret = session->close(session, NULL)) != 0)
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die(ret, "session.close");
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return (NULL);
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}
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