---> uname -a: Linux prd-centos8-docker-4c-4g-3424.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1046 10797 20 3916 14364 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:cc:e8:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.71/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:fecc:e8dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:5b:fb:8e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:82ff:fe5b:fb8e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/19/2026 _x86_64_ (4 CPU) 15:29:51 LINUX RESTART (4 CPU) 03:30:00 PM tps rtps wtps bread/s bwrtn/s 03:31:01 PM 313.55 147.59 165.96 19111.14 37915.69 03:32:01 PM 57.18 0.33 56.85 32.52 5053.68 03:33:01 PM 182.71 4.83 177.87 444.79 13044.05 03:34:01 PM 100.52 1.75 98.77 723.76 9374.98 03:35:01 PM 20.24 0.00 20.24 0.00 2974.44 03:36:01 PM 87.72 1.52 86.20 136.38 17594.60 03:37:01 PM 1232.90 94.99 1137.91 1696.17 30470.00 03:38:01 PM 60.63 23.88 36.75 475.71 1927.52 Average: 257.17 34.67 222.50 2871.15 14857.56 03:30:00 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 PM 13578036 15136772 2561280 15.87 2688 1787056 1124804 6.54 140548 2107328 72080 03:32:01 PM 13392076 15134040 2747240 17.02 2688 1959384 1108072 6.45 139768 2253972 137768 03:33:01 PM 12675344 14715320 3463972 21.46 2688 2245168 1537428 8.94 160708 2895412 93620 03:34:01 PM 11539980 13764872 4599336 28.50 2688 2426928 2717060 15.81 208576 3964700 60 03:35:01 PM 11164828 13732668 4974488 30.82 2688 2760968 2761404 16.07 208672 4308120 258124 03:36:01 PM 11208000 14164880 4931316 30.55 2688 3124716 1866476 10.86 352076 4061872 132644 03:37:01 PM 9900424 13487472 6238892 38.66 2688 3577568 1948948 11.34 401548 4914840 6756 03:38:01 PM 11104000 14753424 5035316 31.20 2688 3635396 1182700 6.88 609420 3509964 38788 Average: 11820336 14361181 4318980 26.76 2688 2689648 1780862 10.36 277664 3502026 92480 03:30:00 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 PM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 PM eth0 274.02 167.13 961.10 63.37 0.00 0.00 0.00 0.00 03:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 PM eth0 53.97 30.44 794.75 5.33 0.00 0.00 0.00 0.00 03:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM eth0 148.15 124.36 1517.82 24.97 0.00 0.00 0.00 0.00 03:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:34:01 PM eth0 183.97 144.24 2456.06 17.54 0.00 0.00 0.00 0.00 03:34:01 PM docker0 0.07 0.15 0.00 0.01 0.00 0.00 0.00 0.00 03:34:01 PM veth20cdc38 0.07 0.20 0.00 0.02 0.00 0.00 0.00 0.00 03:35:01 PM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:35:01 PM eth0 203.95 99.43 2177.45 7.68 0.00 0.00 0.00 0.00 03:35:01 PM docker0 0.18 0.20 0.01 0.01 0.00 0.00 0.00 0.00 03:35:01 PM veth20cdc38 0.18 0.30 0.01 0.02 0.00 0.00 0.00 0.00 03:36:01 PM lo 6.10 6.10 4.58 4.58 0.00 0.00 0.00 0.00 03:36:01 PM eth0 92.47 74.70 954.51 16.58 0.00 0.00 0.00 0.00 03:36:01 PM docker0 3.33 2.97 4.09 0.43 0.00 0.00 0.00 0.00 03:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 PM eth0 112.09 70.03 911.74 13.19 0.00 0.00 0.00 0.00 03:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 PM eth0 15.81 13.90 46.31 5.11 0.00 0.00 0.00 0.00 03:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.57 0.57 0.00 0.00 0.00 0.00 Average: eth0 135.92 90.73 1226.73 19.34 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.41 0.51 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/19/2026 _x86_64_ (4 CPU) 15:29:51 LINUX RESTART (4 CPU) 03:30:00 PM CPU %user %nice %system %iowait %steal %idle 03:31:01 PM all 17.99 0.00 5.59 2.58 0.01 73.84 03:31:01 PM 0 20.14 0.00 6.76 0.87 0.02 72.22 03:31:01 PM 1 14.24 0.00 5.35 3.26 0.00 77.15 03:31:01 PM 2 21.08 0.00 5.20 1.89 0.02 71.82 03:31:01 PM 3 16.49 0.00 5.05 4.31 0.00 74.15 03:32:01 PM all 8.60 0.00 0.92 0.27 0.01 90.20 03:32:01 PM 0 5.92 0.00 0.77 0.17 0.02 93.13 03:32:01 PM 1 1.74 0.00 0.39 0.29 0.00 97.58 03:32:01 PM 2 13.18 0.00 1.20 0.32 0.00 85.30 03:32:01 PM 3 13.52 0.00 1.32 0.32 0.02 84.82 03:33:01 PM all 19.31 0.00 1.84 1.02 0.01 77.82 03:33:01 PM 0 19.48 0.00 1.92 0.85 0.02 77.73 03:33:01 PM 1 12.96 0.00 1.32 0.69 0.00 85.03 03:33:01 PM 2 29.88 0.00 2.57 1.55 0.02 65.97 03:33:01 PM 3 14.92 0.00 1.54 0.97 0.00 82.58 03:34:01 PM all 20.25 0.00 1.11 0.51 0.01 78.12 03:34:01 PM 0 16.90 0.00 1.39 0.55 0.00 81.15 03:34:01 PM 1 23.25 0.00 1.25 0.72 0.02 74.76 03:34:01 PM 2 21.87 0.00 0.83 0.27 0.02 77.01 03:34:01 PM 3 18.98 0.00 0.97 0.50 0.00 79.55 03:35:01 PM all 2.84 0.00 1.16 0.10 0.00 95.91 03:35:01 PM 0 2.51 0.00 1.14 0.18 0.00 96.16 03:35:01 PM 1 2.56 0.00 1.19 0.00 0.00 96.25 03:35:01 PM 2 3.35 0.00 0.92 0.17 0.00 95.56 03:35:01 PM 3 2.91 0.00 1.37 0.03 0.00 95.68 03:36:01 PM all 28.54 0.09 3.12 0.62 0.01 67.61 03:36:01 PM 0 23.52 0.28 3.24 0.87 0.02 72.07 03:36:01 PM 1 28.80 0.02 2.73 0.65 0.02 67.77 03:36:01 PM 2 29.47 0.03 3.56 0.76 0.00 66.17 03:36:01 PM 3 32.38 0.02 2.95 0.20 0.02 64.44 03:37:01 PM all 27.31 0.00 8.62 7.56 0.01 56.51 03:37:01 PM 0 14.98 0.00 7.95 8.17 0.00 68.91 03:37:01 PM 1 24.33 0.00 8.13 6.26 0.02 61.27 03:37:01 PM 2 28.44 0.00 9.75 7.89 0.02 53.90 03:37:01 PM 3 41.52 0.00 8.64 7.90 0.02 41.92 03:38:01 PM all 38.23 0.00 1.96 0.56 0.02 59.24 03:38:01 PM 0 38.33 0.00 1.86 0.43 0.02 59.37 03:38:01 PM 1 45.04 0.00 1.82 0.69 0.03 52.42 03:38:01 PM 2 31.62 0.00 1.77 0.54 0.02 66.06 03:38:01 PM 3 37.95 0.00 2.37 0.57 0.00 59.10 Average: all 20.37 0.01 3.04 1.65 0.01 74.93 Average: 0 17.73 0.04 3.13 1.50 0.01 77.59 Average: 1 19.11 0.00 2.77 1.57 0.01 76.54 Average: 2 22.35 0.00 3.22 1.67 0.01 72.75 Average: 3 22.29 0.00 3.02 1.85 0.01 72.83