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Allow recollindex to adjust its oom killer "badness" on startup

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This commit is contained in:
Jean-Francois Dockes 2021-09-15 20:12:20 +02:00
parent 2e6b25b1a8
commit 31348b5470
1 changed files with 14 additions and 2 deletions
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16
src/index/recollindex.cpp
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@ -148,8 +148,7 @@ static void sigcleanup(int sig)
stopindexing = 1; stopindexing = 1;
} }
} else { } else {
cerr << "Recollindex: got signal " << sig << cerr << "Recollindex: got signal " << sig << ", registering stop request\n";
", registering stop request\n";
LOGDEB("Got signal " << sig << ", registering stop request\n"); LOGDEB("Got signal " << sig << ", registering stop request\n");
CancelCheck::instance().setCancel(); CancelCheck::instance().setCancel();
stopindexing = 1; stopindexing = 1;
@ -169,6 +168,7 @@ static void makeIndexerOrExit(RclConfig *config, bool inPlaceReset)
} }
} }
// Adjust IO priority (if available), and also Linux Out-Of-Memory killer badness (idem)
void rclIxIonice(const RclConfig *config) void rclIxIonice(const RclConfig *config)
{ {
PRETEND_USE(config); PRETEND_USE(config);
@ -179,6 +179,18 @@ void rclIxIonice(const RclConfig *config)
// Classdata may be empty (must be for idle class) // Classdata may be empty (must be for idle class)
config->getConfParam("monioniceclassdata", classdata); config->getConfParam("monioniceclassdata", classdata);
rclionice(clss, classdata); rclionice(clss, classdata);
std::string choompath;
if (ExecCmd::which("choom", choompath) && !choompath.empty()) {
std::string oomadj = "300";
config->getConfParam("oomadj", oomadj);
std::string spid = lltodecstr(getpid());
ExecCmd cmd;
std::string msg;
cmd.doexec(choompath, {"-n", oomadj, "-p", spid}, nullptr, &msg);
LOGDEB("rclIxIonice: oomadj output: " << msg);
}
#endif #endif
} }