import libdb-5.3.28-39.el8
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CentOS Sources
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SOURCES/libdb-5.3.21-trickle_cpu.patch
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150
SOURCES/libdb-5.3.21-trickle_cpu.patch
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@ -0,0 +1,150 @@
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diff -up db-5.3.21/src/dbinc_auto/int_def.in.trickle db-5.3.21/src/dbinc_auto/int_def.in
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--- db-5.3.21/src/dbinc_auto/int_def.in.trickle 2018-08-21 10:54:06.066757392 +0200
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+++ db-5.3.21/src/dbinc_auto/int_def.in 2018-08-21 10:54:06.111756561 +0200
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@@ -1458,6 +1458,7 @@
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#define __memp_sync_int __memp_sync_int@DB_VERSION_UNIQUE_NAME@
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#define __memp_mf_sync __memp_mf_sync@DB_VERSION_UNIQUE_NAME@
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#define __memp_purge_dead_files __memp_purge_dead_files@DB_VERSION_UNIQUE_NAME@
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+#define __memp_purge_dead_and_count __memp_purge_dead_and_count@DB_VERSION_UNIQUE_NAME@
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#define __memp_trickle_pp __memp_trickle_pp@DB_VERSION_UNIQUE_NAME@
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#define __mutex_alloc __mutex_alloc@DB_VERSION_UNIQUE_NAME@
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#define __mutex_alloc_int __mutex_alloc_int@DB_VERSION_UNIQUE_NAME@
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diff -up db-5.3.21/src/dbinc_auto/mp_ext.h.trickle db-5.3.21/src/dbinc_auto/mp_ext.h
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--- db-5.3.21/src/dbinc_auto/mp_ext.h.trickle 2018-08-21 10:54:06.103756709 +0200
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+++ db-5.3.21/src/dbinc_auto/mp_ext.h 2018-08-21 10:54:06.112756543 +0200
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@@ -101,6 +101,7 @@ int __mp_xxx_fh __P((DB_MPOOLFILE *, DB_
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int __memp_sync_int __P((ENV *, DB_MPOOLFILE *, u_int32_t, u_int32_t, u_int32_t *, int *));
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int __memp_mf_sync __P((DB_MPOOL *, MPOOLFILE *, int));
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int __memp_purge_dead_files __P((ENV *));
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+int __memp_purge_dead_and_count __P((ENV *, u_int32_t *, u_int32_t *));
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int __memp_trickle_pp __P((DB_ENV *, int, int *));
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#if defined(__cplusplus)
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diff -up db-5.3.21/src/mp/mp_sync.c.trickle db-5.3.21/src/mp/mp_sync.c
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--- db-5.3.21/src/mp/mp_sync.c.trickle 2018-08-21 10:54:06.105756672 +0200
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+++ db-5.3.21/src/mp/mp_sync.c 2018-09-04 09:43:57.502992291 +0200
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@@ -965,17 +965,34 @@ __bhcmp(p1, p2)
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return (0);
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}
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+
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/*
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* __memp_purge_dead_files --
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+ * Thin wrapper over __memp_purge_dead_and_count. Does not return any
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+ * information about the number of total/dirty buffers.
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+ *
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+ * PUBLIC: int __memp_purge_dead_files __P((ENV *));
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+ */
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+int
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+__memp_purge_dead_files(env)
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+ ENV *env;
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+{
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+ return __memp_purge_dead_and_count(env, NULL, NULL);
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+}
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+
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+/*
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+ * __memp_purge_dead_and_count --
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* Remove all dead files and their buffers from the mpool. The caller
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* cannot hold any lock on the dead MPOOLFILE handles, their buffers
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* or their hash buckets.
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*
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- * PUBLIC: int __memp_purge_dead_files __P((ENV *));
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+ * PUBLIC: int __memp_purge_dead_and_count __P((ENV *, u_int32_t *, u_int32_t *));
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*/
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int
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-__memp_purge_dead_files(env)
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+__memp_purge_dead_and_count(env, totalp, dirtyp)
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ENV *env;
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+ u_int32_t *totalp;
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+ u_int32_t *dirtyp;
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{
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BH *bhp;
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DB_MPOOL *dbmp;
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@@ -983,7 +1000,7 @@ __memp_purge_dead_files(env)
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REGINFO *infop;
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MPOOL *c_mp, *mp;
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MPOOLFILE *mfp;
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- u_int32_t i_cache;
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+ u_int32_t i_cache, dirty, total;
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int ret, t_ret, h_lock;
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if (!MPOOL_ON(env))
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@@ -992,6 +1009,7 @@ __memp_purge_dead_files(env)
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dbmp = env->mp_handle;
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mp = dbmp->reginfo[0].primary;
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ret = t_ret = h_lock = 0;
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+ dirty = total = 0;
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/*
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* Walk each cache's list of buffers and free all buffers whose
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@@ -1000,6 +1018,7 @@ __memp_purge_dead_files(env)
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for (i_cache = 0; i_cache < mp->nreg; i_cache++) {
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infop = &dbmp->reginfo[i_cache];
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c_mp = infop->primary;
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+ total += c_mp->pages;
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hp = R_ADDR(infop, c_mp->htab);
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hp_end = &hp[c_mp->htab_buckets];
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@@ -1008,6 +1027,9 @@ __memp_purge_dead_files(env)
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if (SH_TAILQ_FIRST(&hp->hash_bucket, __bh) == NULL)
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continue;
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+ /* Count dirty pages first as we do not wait on mutex locks */
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+ dirty += (u_int32_t)atomic_read(&hp->hash_page_dirty);
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+
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/*
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* Search for a dead buffer. Other places that call
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* __memp_bhfree() acquire the buffer lock before the
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@@ -1073,6 +1095,11 @@ __memp_purge_dead_files(env)
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}
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}
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+ if (dirtyp != NULL)
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+ *dirtyp = dirty;
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+ if (totalp != NULL)
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+ *totalp = total;
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+
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return (ret);
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}
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diff -up db-5.3.21/src/mp/mp_trickle.c.trickle db-5.3.21/src/mp/mp_trickle.c
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--- db-5.3.21/src/mp/mp_trickle.c.trickle 2018-08-21 10:54:06.105756672 +0200
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+++ db-5.3.21/src/mp/mp_trickle.c 2018-08-21 10:54:06.112756543 +0200
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@@ -56,6 +56,7 @@ __memp_trickle(env, pct, nwrotep)
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dbmp = env->mp_handle;
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mp = dbmp->reginfo[0].primary;
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+ dirty = total = 0;
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if (nwrotep != NULL)
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*nwrotep = 0;
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@@ -67,12 +68,8 @@ __memp_trickle(env, pct, nwrotep)
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return (EINVAL);
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}
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- /* First we purge all dead files and their buffers. */
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- if ((ret = __memp_purge_dead_files(env)) != 0)
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- return (ret);
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-
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- /*
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- * Loop through the caches counting total/dirty buffers.
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+ /* First we purge all dead files and their buffers and
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+ * loop through the caches counting total/dirty buffers.
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*
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* XXX
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* Using hash_page_dirty is our only choice at the moment, but it's not
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@@ -80,12 +77,8 @@ __memp_trickle(env, pct, nwrotep)
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* than one page size, as a free 512B buffer may not be equivalent to
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* having a free 8KB buffer.
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*/
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- for (ret = 0, i = dirty = total = 0; i < mp->nreg; ++i) {
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- c_mp = dbmp->reginfo[i].primary;
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- total += c_mp->pages;
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- __memp_stat_hash(&dbmp->reginfo[i], c_mp, &dtmp);
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- dirty += dtmp;
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- }
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+ if ((ret = __memp_purge_dead_and_count(env, &total, &dirty)) != 0)
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+ return (ret);
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/*
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* If there are sufficient clean buffers, no buffers or no dirty
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@ -4,7 +4,7 @@
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Summary: The Berkeley DB database library for C
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Name: libdb
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Version: 5.3.28
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Release: 37%{?dist}
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Release: 39%{?dist}
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Source0: http://download.oracle.com/berkeley-db/db-%{version}.tar.gz
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Source1: http://download.oracle.com/berkeley-db/db.1.85.tar.gz
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# For mt19937db.c
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@ -56,6 +56,10 @@ Patch38: db-5.3.28-openssl.patch
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# https://community.oracle.com/message/13274780#13274780
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Patch39: libdb-limit-cpu.patch
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# rhbz#1670768 Patch sent upstream
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# Expects libdb-5.3.21-mutex_leak.patch applied
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Patch40: libdb-5.3.21-trickle_cpu.patch
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# https://cov01.lab.eng.brq.redhat.com/el8-results/el8/libdb-5.3.28-31.el8+7/scan-results-imp.html#def182
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Patch200: db-5.3.28-add_getopt_h.patch
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# https://cov01.lab.eng.brq.redhat.com/el8-results/el8/libdb-5.3.28-31.el8+7/scan-results-imp.html#def1
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@ -270,6 +274,7 @@ popd
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%patch37 -p1
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%patch38 -p1 -b .openssl
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%patch39 -p1
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%patch40 -p1
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%patch200 -p1
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%patch201 -p1
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%patch202 -p1
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@ -496,6 +501,12 @@ rm -rf ${RPM_BUILD_ROOT}
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%{_libdir}/libdb_java.so
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%changelog
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* Thu Jun 18 2020 Petr Kubat <pkubat@redhat.com> 5.3.28-39
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- Rebuild for rhel 8.3.0
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* Thu Dec 12 2019 Petr Kubat <pkubat@redhat.com> 5.3.28-38
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- Optimize trickle thread CPU usage (#1670768)
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* Mon Jun 01 2019 Matej Mužila <mmzuila@redhat.com> - 5.3.28-37
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- Fixed flaws found by coverity
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- Resolves: #1606978
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