diff --git a/test/long_stochastic.sh b/test/long_stochastic.sh
index 7d895c2d..0fb64ca2 100755
--- a/test/long_stochastic.sh
+++ b/test/long_stochastic.sh
@@ -25,6 +25,9 @@ EXTRA=no
 TAILLOG=0
 DELAY=0
 REPORT_DEPTH=no
+REPEAT=11
+ROUNDS=1
+SMALL=no
 
 while [ -n "$1" ]
 do
@@ -40,6 +43,8 @@ do
     echo "--skip-make            Don't (re)build libmdbx and test's executable"
     echo "--from NN              Start iterating from the NN ops per test case"
     echo "--upto NN              Don't run tests with more than NN ops per test case"
+    echo "--repeat NN            Repeat each testcase NN times within test run"
+    echo "--rounds NN            Cycle each n-ops/wbatch case NN times"
     echo "--loops NN             Stop after the NN loops"
     echo "--dir PATH             Specifies directory for test DB and other files (it will be cleared)"
     echo "--db-upto-mb NN        Limits upper size of test DB to the NN megabytes"
@@ -51,6 +56,7 @@ do
     echo "--taillog              Dump tail of test log on failure"
     echo "--delay NN             Delay NN seconds before run test"
     echo "--report-depth         Report tree depth (tee+grep log)"
+    echo "--small                Small transactions/batch/nops pattern"
     echo "--help                 Print this usage help and exit"
     exit -2
   ;;
@@ -103,6 +109,22 @@ do
     fi
     shift
   ;;
+  --repeat|--reps|--rep)
+    REPEAT=$(($2))
+    if [ -z "$REPEAT" -o "$REPEAT" -lt 1 -o "$REPEAT" -gt 99 ]; then
+      echo "Invalid value '$REPEAT' for --repeat option"
+      exit -2
+    fi
+    shift
+  ;;
+  --rounds)
+    ROUNDS=$(($2))
+    if [ -z "$ROUNDS" -o "$ROUNDS" -lt 1 -o "$ROUNDS" -gt 99 ]; then
+      echo "Invalid value '$ROUNDS' for --rounds option"
+      exit -2
+    fi
+    shift
+  ;;
   --loops)
     LOOPS=$(($2))
     if [ -z "$LOOPS" -o "$LOOPS" -lt 1 -o "$LOOPS" -gt 99 ]; then
@@ -184,6 +206,9 @@ do
   --report-depth)
     REPORT_DEPTH=yes
   ;;
+  --small)
+    SMALL=yes
+  ;;
   *)
     echo "Unknown option '$1'"
     exit -2
@@ -470,7 +495,7 @@ function probe {
   rm -f ${TESTDB_DIR}/* || failed
   for case in $LIST
   do
-    echo "${speculum} --random-writemap=no --ignore-dbfull --repeat=11 --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} $@ $case"
+    echo "${speculum} --random-writemap=no --ignore-dbfull --repeat=${REPEAT} --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} $@ $case"
     if [[ ${REPORT_DEPTH} = "yes" && ($case = "basic" || $case = "--hill") ]]; then
       if [ -z "${TEE4PIPE:-}" ]; then
         TEE4PIPE=$(tee --help | grep -q ' -p' && echo "tee -i -p" || echo "tee -i")
@@ -479,7 +504,7 @@ function probe {
     else
       exec {LFD}> >(logger)
     fi
-    ${MONITOR} ./mdbx_test ${speculum} --random-writemap=no --ignore-dbfull --repeat=11 --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} "$@" $case >&${LFD} \
+    ${MONITOR} ./mdbx_test ${speculum} --random-writemap=no --ignore-dbfull --repeat=${REPEAT} --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} "$@" $case >&${LFD} \
       && ${MONITOR} ./mdbx_chk -q ${TESTDB_DIR}/long.db | tee ${TESTDB_DIR}/long-chk.log \
       && ([ ! -e ${TESTDB_DIR}/long.db-copy ] || ${MONITOR} ./mdbx_chk -q ${TESTDB_DIR}/long.db-copy | tee ${TESTDB_DIR}/long-chk-copy.log) \
       || failed
@@ -491,25 +516,14 @@ function probe {
   done
 }
 
-#------------------------------------------------------------------------------
-
-if [ "$DELAY" != "0" ]; then
-  sleep $DELAY
-fi
-
-count=0
-loop=0
-cases='?'
-for nops in 10 33 100 333 1000 3333 10000 33333 100000 333333 1000000 3333333 10000000 33333333 100000000 333333333 1000000000; do
-  if [ $nops -lt $FROM ]; then continue; fi
-  if [ $nops -gt $UPTO ]; then echo "The '--upto $UPTO' limit reached"; break; fi
-  if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then echo "The '--loops $LOOPS' limit reached"; break; fi
-  echo "======================================================================="
-  wbatch=$((nops / 7 + 1))
-  speculum=$([ $nops -le 1000 ] && echo '--speculum' || true)
-  while true; do
+function pass {
+  for ((round=1; round <= ROUNDS; ++round)); do
     echo "======================================================================="
-    ${BANNER} "$nops / $wbatch"
+    if [[ $ROUNDS > 1 ]]; then
+      ${BANNER} "$nops / $wbatch / round $round of $ROUNDS"
+    else
+      ${BANNER} "$nops / $wbatch"
+    fi
     subcase=0
     for ((bits=2**${#options[@]}; --bits >= 0; )); do
       seed=$(($(date +%s) + RANDOM))
@@ -548,7 +562,6 @@ for nops in 10 33 100 333 1000 3333 10000 33333 100000 333333 1000000 3333333 10
         --prng-seed=${seed} --pagesize=$PAGESIZE --size-upper-upto=${db_size_mb}M --table=+data.fixed --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen=rnd \
         --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%4]}
 
-
       split=16
       caption="$((++count)) int-key,w/o-dups, split=${split}, case $((++subcase)) of ${cases}" probe \
         --prng-seed=${seed} --pagesize=$PAGESIZE --size-upper-upto=${db_size_mb}M --table=+key.integer,-data.dups --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=1111 \
@@ -614,12 +627,44 @@ for nops in 10 33 100 333 1000 3333 10000 33333 100000 333333 1000000 3333333 10
         --prng-seed=${seed} --pagesize=$PAGESIZE --size-upper-upto=${db_size_mb}M --table=+data.fixed --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen=rnd \
         --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%4]}
     done # options
-    loop=$((loop + 1))
-    if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then break; fi
     cases="${subcase}"
-    wbatch=$(((wbatch > 7) ? wbatch / 7 : 1))
-    if [ $wbatch -eq 1 -o $((nops / wbatch)) -gt 1000 ]; then break; fi
-  done # batch (write-ops per txn)
-done # n-ops
+  done
+}
+
+#------------------------------------------------------------------------------
+
+if [ "$DELAY" != "0" ]; then
+  sleep $DELAY
+fi
+
+count=0
+loop=0
+cases='?'
+if [[ $SMALL != "yes" ]]; then
+  for nops in 10 33 100 333 1000 3333 10000 33333 100000 333333 1000000 3333333 10000000 33333333 100000000 333333333 1000000000; do
+    if [ $nops -lt $FROM ]; then continue; fi
+    if [ $nops -gt $UPTO ]; then echo "The '--upto $UPTO' limit reached"; break; fi
+    if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then echo "The '--loops $LOOPS' limit reached"; break; fi
+    echo "======================================================================="
+    wbatch=$((nops / 7 + 1))
+    speculum=$([ $nops -le 1000 ] && echo '--speculum' || true)
+    while true; do
+      pass
+      loop=$((loop + 1))
+      if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then break; fi
+      wbatch=$(((wbatch > 7) ? wbatch / 7 : 1))
+      if [ $wbatch -eq 1 -o $((nops / wbatch)) -gt 1000 ]; then break; fi
+    done # batch (write-ops per txn)
+  done # n-ops
+else
+  for ((wbatch=FROM; wbatch<=UPTO; ++wbatch)); do
+    if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then echo "The '--loops $LOOPS' limit reached"; break; fi
+    echo "======================================================================="
+    speculum=$([ $wbatch -le 1000 ] && echo '--speculum' || true)
+    nops=$((wbatch / 7 + 1))
+    pass
+    loop=$((loop + 1))
+  done # wbatch
+fi
 
 echo "=== ALL DONE ====================== $(date)"
diff --git a/test/stochastic_small.sh b/test/stochastic_small.sh
deleted file mode 100755
index ffdd212e..00000000
--- a/test/stochastic_small.sh
+++ /dev/null
@@ -1,461 +0,0 @@
-#!/usr/bin/env bash
-
-# Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru>
-# SPDX-License-Identifier: Apache-2.0
-
-LIST=--hill
-FROM=1
-UPTO=9999999
-MONITOR=
-LOOPS=
-SKIP_MAKE=no
-GEOMETRY_JITTER=yes
-BANNER="$(which banner 2>/dev/null | echo echo)"
-UNAME="$(uname -s 2>/dev/null || echo Unknown)"
-DB_UPTO_MB=17408
-PAGESIZE=min
-DONT_CHECK_RAM=no
-
-while [ -n "$1" ]
-do
-  case "$1" in
-  --help)
-    echo "--multi                Engage multi-process test scenario (default)"
-    echo "--single               Execute series of single-process tests (for QEMU, etc)"
-    echo "--nested               Execute only 'nested' testcase"
-    echo "--hill                 Execute only 'hill' testcase"
-    echo "--append               Execute only 'append' testcase"
-    echo "--ttl                  Execute only 'ttl' testcase"
-    echo "--with-valgrind        Run tests under Valgrind's memcheck tool"
-    echo "--skip-make            Don't (re)build libmdbx and test's executable"
-    echo "--from NN              Start iterating from the NN ops per test case"
-    echo "--upto NN              Don't run tests with more than NN ops per test case"
-    echo "--loops NN             Stop after the NN loops"
-    echo "--dir PATH             Specifies directory for test DB and other files (it will be cleared)"
-    echo "--db-upto-mb NN        Limits upper size of test DB to the NN megabytes"
-    echo "--no-geometry-jitter   Disable jitter for geometry upper-size"
-    echo "--pagesize NN          Use specified page size (256 is minimal and used by default) "
-    echo "--dont-check-ram-size  Don't check available RAM "
-    echo "--help                 Print this usage help and exit"
-    exit -2
-  ;;
-  --multi)
-    LIST=basic
-  ;;
-  --single)
-    LIST="--nested --hill --append --ttl --copy"
-  ;;
-  --nested)
-    LIST="--nested"
-  ;;
-  --hill)
-    LIST="--hill"
-  ;;
-  --append)
-    LIST="--append"
-  ;;
-  --ttl)
-    LIST="--ttl"
-  ;;
-  --with-valgrind)
-    echo " NOTE: Valgrind could produce some false-positive warnings"
-    echo "       in multi-process environment with shared memory."
-    echo "       For instance, when the process 'A' explicitly marks a memory"
-    echo "       region as 'undefined', the process 'B' fill it,"
-    echo "       and after this process 'A' read such region, etc."
-    MONITOR="valgrind --trace-children=yes --log-file=valgrind-%p.log --leak-check=full --track-origins=yes --read-var-info=yes --error-exitcode=42 --suppressions=test/valgrind_suppress.txt"
-    rm -f valgrind-*.log
-  ;;
-  --skip-make)
-    SKIP_MAKE=yes
-  ;;
-  --from)
-    FROM=$(($2))
-    if [ -z "$FROM" -o "$FROM" -lt 1 ]; then
-      echo "Invalid value '$FROM' for --from option"
-      exit -2
-    fi
-    shift
-  ;;
-  --upto)
-    UPTO=$(($2))
-    if [ -z "$UPTO" -o "$UPTO" -lt 1 ]; then
-      echo "Invalid value '$UPTO' for --upto option"
-      exit -2
-    fi
-    shift
-  ;;
-  --loops)
-    LOOPS=$(($2))
-    if [ -z "$LOOPS" -o "$LOOPS" -lt 1 -o "$LOOPS" -gt 99 ]; then
-      echo "Invalid value '$LOOPS' for --loops option"
-      exit -2
-    fi
-    shift
-  ;;
-  --dir)
-    TESTDB_DIR="$2"
-    if [ -z "$TESTDB_DIR" ]; then
-      echo "Invalid value '$TESTDB_DIR' for --dir option"
-      exit -2
-    fi
-    shift
-  ;;
-  --db-upto-mb)
-    DB_UPTO_MB=$(($2))
-    if [ -z "$DB_UPTO_MB" -o "$DB_UPTO_MB" -lt 1 -o "$DB_UPTO_MB" -gt 4194304 ]; then
-      echo "Invalid value '$DB_UPTO_MB' for --db-upto-mb option"
-      exit -2
-    fi
-    shift
-  ;;
-  --no-geometry-jitter)
-    GEOMETRY_JITTER=no
-  ;;
-  --pagesize|--page-size)
-    case "$2" in
-      min|max|256|512|1024|2048|4096|8192|16386|32768|65536)
-        PAGESIZE=$2
-      ;;
-      1|1k|1K|k|K)
-        PAGESIZE=$((1024*1))
-      ;;
-      2|2k|2K)
-        PAGESIZE=$((1024*2))
-      ;;
-      4|4k|4K)
-        PAGESIZE=$((1024*4))
-      ;;
-      8|8k|8K)
-        PAGESIZE=$((1024*8))
-      ;;
-      16|16k|16K)
-        PAGESIZE=$((1024*16))
-      ;;
-      32|32k|32K)
-        PAGESIZE=$((1024*32))
-      ;;
-      64|64k|64K)
-        PAGESIZE=$((1024*64))
-      ;;
-      *)
-        echo "Invalig page size '$2'"
-        exit -2
-      ;;
-    esac
-    shift
-  ;;
-  --dont-check-ram-size)
-    DONT_CHECK_RAM=yes
-  ;;
-  *)
-    echo "Unknown option '$1'"
-    exit -2
-  ;;
-  esac
- shift
-done
-
-set -euo pipefail
-if [ -z "$MONITOR" ]; then
-  if which time >/dev/null 2>/dev/null; then
-    MONITOR=$(which time)
-    if $MONITOR -o /dev/stdout true >/dev/null 2>/dev/null; then
-      MONITOR="$MONITOR -o /dev/stdout"
-    fi
-  fi
-  export MALLOC_CHECK_=7 MALLOC_PERTURB_=42
-fi
-
-if ! which $([ "$SKIP_MAKE" == "no" ] && echo make cc c++) tee >/dev/null; then
-  echo "Please install the following prerequisites: make cc c++ tee banner" >&2
-  exit 1
-fi
-
-###############################################################################
-# 1. clean data from prev runs and examine available RAM
-
-WANNA_MOUNT=0
-case ${UNAME} in
-  Linux)
-    MAKE=make
-    if [ -z "${TESTDB_DIR:-}" ]; then
-      for old_test_dir in $(ls -d /dev/shm/mdbx-test.[0-9]* 2>/dev/null); do
-        rm -rf $old_test_dir
-      done
-      TESTDB_DIR="/dev/shm/mdbx-test.$$"
-    fi
-    mkdir -p $TESTDB_DIR && rm -f $TESTDB_DIR/*
-
-    if LC_ALL=C free | grep -q -i available; then
-      ram_avail_mb=$(($(LC_ALL=C free | grep -i Mem: | tr -s '[:blank:]' ' ' | cut -d ' ' -f 7) / 1024))
-    else
-      ram_avail_mb=$(($(LC_ALL=C free | grep -i Mem: | tr -s '[:blank:]' ' ' | cut -d ' ' -f 4) / 1024))
-    fi
-  ;;
-
-  FreeBSD)
-    MAKE=gmake
-    if [ -z "${TESTDB_DIR:-}" ]; then
-      for old_test_dir in $(ls -d /tmp/mdbx-test.[0-9]* 2>/dev/null); do
-        umount $old_test_dir && rm -r $old_test_dir
-      done
-      TESTDB_DIR="/tmp/mdbx-test.$$"
-      rm -rf $TESTDB_DIR && mkdir -p $TESTDB_DIR
-      WANNA_MOUNT=1
-    else
-      mkdir -p $TESTDB_DIR && rm -f $TESTDB_DIR/*
-    fi
-    ram_avail_mb=$(($(LC_ALL=C vmstat -s | grep -ie '[0-9] pages free$' | cut -d p -f 1) * ($(LC_ALL=C vmstat -s | grep -ie '[0-9] bytes per page$' | cut -d b -f 1) / 1024) / 1024))
-  ;;
-
-  Darwin)
-    MAKE=make
-    if [ -z "${TESTDB_DIR:-}" ]; then
-      for vol in $(ls -d /Volumes/mdx[0-9]*[0-9]tst 2>/dev/null); do
-        disk=$(mount | grep $vol | cut -d ' ' -f 1)
-        echo "umount: volume $vol disk $disk"
-        hdiutil unmount $vol -force
-        hdiutil detach $disk
-      done
-      TESTDB_DIR="/Volumes/mdx$$tst"
-      WANNA_MOUNT=1
-    else
-      mkdir -p $TESTDB_DIR && rm -f $TESTDB_DIR/*
-    fi
-    pagesize=$(($(LC_ALL=C vm_stat | grep -o 'page size of [0-9]\+ bytes' | cut -d' ' -f 4) / 1024))
-    freepages=$(LC_ALL=C vm_stat | grep '^Pages free:' | grep -o '[0-9]\+\.$' | cut -d'.' -f 1)
-    ram_avail_mb=$((pagesize * freepages / 1024))
-    echo "pagesize ${pagesize}K, freepages ${freepages}, ram_avail_mb ${ram_avail_mb}"
-  ;;
-
-  MSYS*|MINGW*)
-    if [ -z "${TESTDB_DIR:-}" ]; then
-      for old_test_dir in $(ls -d /tmp/mdbx-test.[0-9]* 2>/dev/null); do
-        rm -rf $old_test_dir
-      done
-      TESTDB_DIR="/tmp/mdbx-test.$$"
-    fi
-    mkdir -p $TESTDB_DIR && rm -f $TESTDB_DIR/*
-
-    echo "FIXME: Fake support for ${UNAME}"
-    ram_avail_mb=32768
-  ;;
-
-  *)
-    echo "FIXME: ${UNAME} not supported by this script"
-    exit 2
-  ;;
-esac
-
-rm -f ${TESTDB_DIR}/*
-
-###############################################################################
-# 2. estimate reasonable RAM space for test-db
-
-echo "=== ${ram_avail_mb}M RAM available"
-if [ $DONT_CHECK_RAM = yes ]; then
-  db_size_mb=$DB_UPTO_MB
-  ram_reserve4logs_mb=64
-else
-  ram_reserve4logs_mb=1234
-  if [ $ram_avail_mb -lt $ram_reserve4logs_mb ]; then
-    echo "=== At least ${ram_reserve4logs_mb}Mb RAM required"
-    exit 3
-  fi
-
-#
-# В режимах отличных от MDBX_WRITEMAP изменения до записи в файл
-# будут накапливаться в памяти, что может потребовать свободной
-# памяти размером с БД. Кроме этого, в тест входит сценарий
-# создания копия БД на ходу. Поэтому БД не может быть больше 1/3
-# от доступной памяти. Однако, следует учесть что malloc() будет
-# не сразу возвращать выделенную память системе, а также
-# предусмотреть места для логов.
-#
-# In non-MDBX_WRITEMAP modes, updates (dirty pages) will
-# accumulate in memory before writing to the disk, which may
-# require a free memory up to the size of a whole database. In
-# addition, the test includes a script create a copy of the
-# database on the go. Therefore, the database cannot be more 1/3
-# of available memory. Moreover, should be taken into account
-# that malloc() will not return the allocated memory to the
-# system immediately, as well some space is required for logs.
-#
-  db_size_mb=$(((ram_avail_mb - ram_reserve4logs_mb) / 4))
-  if [ $db_size_mb -gt $DB_UPTO_MB ]; then
-    db_size_mb=$DB_UPTO_MB
-  fi
-fi
-echo "=== use ${db_size_mb}M for DB"
-
-###############################################################################
-# 3. Create test-directory in ramfs/tmpfs, i.e. create/format/mount if required
-case ${UNAME} in
-  Linux)
-    ulimit -c unlimited
-    if [ "$(cat /proc/sys/kernel/core_pattern)" != "core.%p" ]; then
-      echo "core.%p > /proc/sys/kernel/core_pattern" >&2
-      if [ $(id -u) -ne 0 -a -n "$(which sudo 2>/dev/null)" ]; then
-        echo "core.%p" | sudo tee /proc/sys/kernel/core_pattern || true
-      else
-        (echo "core.%p" > /proc/sys/kernel/core_pattern) || true
-      fi
-    fi
-  ;;
-
-  FreeBSD)
-    if [[ WANNA_MOUNT ]]; then
-      mount -t tmpfs tmpfs $TESTDB_DIR
-    fi
-  ;;
-
-  Darwin)
-    if [[ WANNA_MOUNT ]]; then
-      ramdisk_size_mb=$((42 + db_size_mb * 2 + ram_reserve4logs_mb))
-      number_of_sectors=$((ramdisk_size_mb * 2048))
-      ramdev=$(hdiutil attach -nomount ram://${number_of_sectors})
-      diskutil erasevolume ExFAT "mdx$$tst" ${ramdev}
-    fi
-  ;;
-
-  MSYS*|MINGW*)
-    echo "FIXME: Fake support for ${UNAME}"
-  ;;
-
-  *)
-    echo "FIXME: ${UNAME} not supported by this script"
-    exit 2
-  ;;
-esac
-
-###############################################################################
-# 4. build the test executables
-
-if [ "$SKIP_MAKE" != "yes" ]; then
-  ${MAKE} -j$(which nproc  >/dev/null 2>/dev/null && nproc || echo 2) build-test
-fi
-
-###############################################################################
-# 5. run stochastic iterations
-
-if which lz4 >/dev/null; then
-  function logger {
-    lz4 > ${TESTDB_DIR}/long.log.lz4
-  }
-elif which gzip >/dev/null; then
-  function logger {
-    gzip > ${TESTDB_DIR}/long.log.gz
-  }
-else
-  function logger {
-    cat > ${TESTDB_DIR}/long.log
-  }
-fi
-
-syncmodes=("" ,+nosync-safe ,+nosync-utterly)
-options=(writemap lifo nostickythreads perturb)
-
-function join { local IFS="$1"; shift; echo "$*"; }
-
-function bits2options {
-  local bits=$1
-  local i
-  local list=()
-  for ((i = 0; i < ${#options[@]}; ++i)); do
-    list[$i]=$( (( (bits & (1 << i)) != 0 )) && echo -n '+' || echo -n '-'; echo ${options[$i]})
-  done
-  join , ${list[@]}
-}
-
-function failed {
-  echo "FAILED" >&2
-  exit 1
-}
-
-function check_deep {
-  if [ "$case" = "basic" -o "$case" = "--hill" ]; then
-    tee >(logger) | grep -e reach -e achieve
-  else
-    logger
-  fi
-}
-
-function probe {
-  echo "----------------------------------------------- $(date)"
-  echo "${caption}"
-  rm -f ${TESTDB_DIR}/* || failed
-  for case in $LIST
-  do
-    echo "Run ./mdbx_test ${speculum} --random-writemap=no --ignore-dbfull --repeat=11 --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} $@ $case"
-    ${MONITOR} ./mdbx_test ${speculum} --random-writemap=no --ignore-dbfull --repeat=11 --pathname=${TESTDB_DIR}/long.db --cleanup-after=no --geometry-jitter=${GEOMETRY_JITTER} "$@" $case | check_deep \
-      && ${MONITOR} ./mdbx_chk ${TESTDB_DIR}/long.db | tee ${TESTDB_DIR}/long-chk.log \
-      && ([ ! -e ${TESTDB_DIR}/long.db-copy ] || ${MONITOR} ./mdbx_chk ${TESTDB_DIR}/long.db-copy | tee ${TESTDB_DIR}/long-chk-copy.log) \
-      || failed
-   done
-}
-
-#------------------------------------------------------------------------------
-
-count=0
-loop=0
-cases='?'
-for ((wbatch=FROM; wbatch<=UPTO; ++wbatch)); do
-  if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then echo "The '--loops $LOOPS' limit reached"; break; fi
-  echo "======================================================================="
-  speculum=$([ $wbatch -le 1000 ] && echo '--speculum' || true)
-  nops=$((wbatch/7 + 1))
-  for ((rep=1; rep < 11; ++rep)); do
-    echo "======================================================================="
-    ${BANNER} "$nops / $wbatch, repeat $rep"
-    subcase=0
-    for ((bits=2**${#options[@]}; --bits >= 0; )); do
-      seed=$(($(date +%s) + RANDOM))
-
-      split=30
-      caption="Probe #$((++count)) int-key,int-data, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,+data.integer --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=max \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-
-      split=24
-      caption="Probe #$((++count)) int-key,int-data, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,+data.integer --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=max \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-
-      split=16
-      caption="Probe #$((++count)) int-key,w/o-dups, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,-data.dups --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=1111 \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-      caption="Probe #$((++count)) int-key,int-data, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,+data.integer --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=max \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-      caption="Probe #$((++count)) w/o-dups, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=-data.dups --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=1111 \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-
-      split=4
-      caption="Probe #$((++count)) int-key,w/o-dups, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,-data.dups --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=1111 \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-      caption="Probe #$((++count)) int-key,int-data, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=+key.integer,+data.integer --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=max \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-      caption="Probe #$((++count)) w/o-dups, split=${split}, case $((++subcase)) of ${cases}" probe \
-        --pagesize=4K --size-upper-upto=${db_size_mb}M --table=-data.dups --keygen.split=${split} --keylen.min=min --keylen.max=max --datalen.min=min --datalen.max=1111 \
-        --nops=$nops --batch.write=$wbatch --mode=$(bits2options $bits)${syncmodes[count%3]} \
-        --keygen.seed=${seed}
-    done # options
-    cases="${subcase}"
-  done # repeats
-  loop=$((loop + 1))
-  if [ -n "$LOOPS" ] && [ $loop -ge "$LOOPS" ]; then break; fi
-done # wbatch
-
-echo "=== ALL DONE ====================== $(date)"