---> uname -a: Linux prd-centos8-docker-4c-4g-4670.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 nrip_save 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 818 11737 19 3204 14594 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:df:de:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.31/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85943sec preferred_lft 85943sec inet6 fe80::f816:3eff:fedf:de18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:cb:e8:5b 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:d8ff:fecb:e85b/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) 07/02/2026 _x86_64_ (4 CPU) 15:17:00 LINUX RESTART (4 CPU) 03:18:01 PM tps rtps wtps bread/s bwrtn/s 03:19:01 PM 158.78 14.68 144.10 3196.40 10739.39 03:20:01 PM 164.22 7.20 157.02 1034.13 11693.93 03:21:01 PM 31.67 0.05 31.62 1.07 7850.65 03:22:01 PM 6.03 1.80 4.23 56.52 268.49 03:23:01 PM 79.74 1.62 78.12 503.57 15291.94 03:24:01 PM 17.91 0.12 17.79 10.80 1425.02 Average: 76.39 4.24 72.15 800.42 7878.24 03:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:19:01 PM 12684172 14802296 3455140 21.41 2688 2324188 1406876 8.19 161616 2896236 225880 03:20:01 PM 10589568 13054236 5549744 34.39 2688 2663768 3387132 19.71 248912 4868076 222240 03:21:01 PM 9663660 12132960 6475652 40.12 2688 2668240 3845052 22.37 264228 5775780 1952 03:22:01 PM 8659040 11137288 7480272 46.35 2688 2676888 4828984 28.10 268116 6774056 4536 03:23:01 PM 6151112 9118616 9988200 61.89 2688 3155244 13974052 81.30 375828 9089168 22488 03:24:01 PM 12069932 14983596 4069380 25.21 2688 3101708 1730632 10.07 579328 3018000 9280 Average: 9969581 12538165 6169731 38.23 2688 2765006 4862121 28.29 316338 5403553 81063 03:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 PM eth0 126.89 95.10 1833.60 17.45 0.00 0.00 0.00 0.00 03:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM eth0 324.58 254.93 4702.73 33.69 0.00 0.00 0.00 0.00 03:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM eth0 18.71 17.26 3.92 27.09 0.00 0.00 0.00 0.00 03:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM eth0 19.30 18.50 3.89 19.40 0.00 0.00 0.00 0.00 03:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM lo 14.10 14.10 27.34 27.34 0.00 0.00 0.00 0.00 03:23:01 PM eth0 135.37 102.97 2824.56 12.31 0.00 0.00 0.00 0.00 03:23:01 PM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 03:23:01 PM veth4cd720b 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:23:01 PM br-29a73bb7a9ae 5.36 5.41 25.59 0.91 0.00 0.00 0.00 0.00 03:23:01 PM veth903f8b8 5.96 5.28 25.68 0.88 0.00 0.00 0.00 0.00 03:23:01 PM veth2e3d02b 10.40 11.41 26.52 26.59 0.00 0.00 0.00 0.00 03:24:01 PM lo 2.88 2.88 0.19 0.19 0.00 0.00 0.00 0.00 03:24:01 PM eth0 9.13 7.83 6.02 3.81 0.00 0.00 0.00 0.00 03:24:01 PM docker0 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.83 2.83 4.59 4.59 0.00 0.00 0.00 0.00 Average: eth0 105.65 82.76 1562.32 18.96 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 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) 07/02/2026 _x86_64_ (4 CPU) 15:17:00 LINUX RESTART (4 CPU) 03:18:01 PM CPU %user %nice %system %iowait %steal %idle 03:19:01 PM all 20.34 0.00 2.23 4.24 0.08 73.10 03:19:01 PM 0 18.23 0.00 2.44 6.65 0.08 72.59 03:19:01 PM 1 13.42 0.00 1.37 2.39 0.08 82.73 03:19:01 PM 2 34.65 0.00 4.25 5.18 0.10 55.81 03:19:01 PM 3 15.05 0.00 0.87 2.71 0.07 81.30 03:20:01 PM all 51.41 0.00 2.93 1.53 0.12 44.01 03:20:01 PM 0 51.01 0.00 2.59 1.57 0.12 44.71 03:20:01 PM 1 53.03 0.00 3.49 1.97 0.13 41.37 03:20:01 PM 2 49.90 0.00 3.33 2.04 0.12 44.62 03:20:01 PM 3 51.70 0.00 2.29 0.54 0.12 45.36 03:21:01 PM all 38.99 0.00 0.75 0.51 0.09 59.67 03:21:01 PM 0 41.79 0.00 0.67 0.00 0.08 57.46 03:21:01 PM 1 45.96 0.00 0.70 0.00 0.08 53.25 03:21:01 PM 2 39.84 0.00 0.67 1.52 0.08 57.89 03:21:01 PM 3 28.34 0.00 0.95 0.50 0.10 70.10 03:22:01 PM all 26.58 0.00 0.64 0.08 0.08 72.61 03:22:01 PM 0 21.96 0.00 0.52 0.00 0.08 77.44 03:22:01 PM 1 38.64 0.00 0.92 0.13 0.08 60.23 03:22:01 PM 2 18.66 0.00 0.47 0.00 0.08 80.79 03:22:01 PM 3 27.07 0.00 0.65 0.18 0.08 72.01 03:23:01 PM all 40.95 0.00 3.18 2.10 0.13 53.63 03:23:01 PM 0 51.93 0.00 3.54 3.52 0.15 40.85 03:23:01 PM 1 38.59 0.00 2.72 2.05 0.12 56.52 03:23:01 PM 2 39.19 0.00 3.60 0.54 0.12 56.56 03:23:01 PM 3 34.07 0.00 2.86 2.29 0.13 60.64 03:24:01 PM all 19.67 0.00 1.22 2.12 0.62 76.38 03:24:01 PM 0 17.71 0.00 1.39 2.69 0.08 78.12 03:24:01 PM 1 20.62 0.00 1.40 5.23 0.20 72.54 03:24:01 PM 2 24.34 0.00 0.92 0.42 0.08 74.23 03:24:01 PM 3 16.07 0.00 1.16 0.16 2.07 80.53 Average: all 32.98 0.00 1.82 1.76 0.19 63.25 Average: 0 33.76 0.00 1.86 2.40 0.10 61.87 Average: 1 35.05 0.00 1.77 1.96 0.12 61.10 Average: 2 34.43 0.00 2.20 1.62 0.10 61.65 Average: 3 28.67 0.00 1.46 1.06 0.43 68.37