---> uname -a: Linux prd-centos8-docker-4c-4g-1125.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: 2799.998 BogoMIPS: 5599.99 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 774 12179 19 2807 14647 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:5a:3d:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fe5a:3d23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b3:d6:78:4c 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/20/2026 _x86_64_ (4 CPU) 05:56:33 LINUX RESTART (4 CPU) 05:57:01 AM tps rtps wtps bread/s bwrtn/s 05:58:01 AM 224.56 6.18 218.38 942.11 8934.83 05:59:01 AM 262.10 21.94 240.16 4136.07 17967.57 06:00:01 AM 34.71 0.05 34.66 1.07 8120.33 06:01:01 AM 6.18 0.02 6.16 0.13 374.83 06:02:01 AM 10.81 2.93 7.88 176.55 760.16 Average: 107.67 6.22 101.45 1051.27 7231.38 05:57:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 AM 13098644 15032140 3040676 18.84 2688 2141336 1160904 6.75 147188 2512620 281588 05:59:01 AM 11736728 14210616 4402592 27.28 2688 2673556 1741184 10.13 240540 3735540 220680 06:00:01 AM 9554996 12043720 6584324 40.80 2688 2687168 3805124 22.14 264108 5882276 3992 06:01:01 AM 9482012 11974404 6657308 41.25 2688 2690728 3805124 22.14 264136 5954816 1056 06:02:01 AM 12507352 15022708 3631968 22.50 2688 2712532 1112236 6.47 458084 2742232 9220 Average: 11275946 13656718 4863374 30.13 2688 2581064 2324914 13.53 274811 4165497 103307 05:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM eth0 134.28 88.14 1484.19 28.53 0.00 0.00 0.00 0.00 05:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 AM eth0 430.68 345.39 5773.86 56.76 0.00 0.00 0.00 0.00 05:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 AM eth0 37.24 27.46 14.56 27.30 0.00 0.00 0.00 0.00 06:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 AM eth0 321.31 208.98 87.60 93.24 0.00 0.00 0.00 0.00 06:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 AM lo 6.65 6.65 0.81 0.81 0.00 0.00 0.00 0.00 06:02:01 AM eth0 46.94 37.41 16.35 24.39 0.00 0.00 0.00 0.00 06:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 194.10 141.48 1475.41 46.04 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/20/2026 _x86_64_ (4 CPU) 05:56:33 LINUX RESTART (4 CPU) 05:57:01 AM CPU %user %nice %system %iowait %steal %idle 05:58:01 AM all 20.76 0.00 2.15 1.12 0.08 75.90 05:58:01 AM 0 34.18 0.00 2.82 1.35 0.08 61.57 05:58:01 AM 1 20.18 0.00 2.15 0.30 0.08 77.29 05:58:01 AM 2 23.35 0.00 2.43 1.82 0.07 72.33 05:58:01 AM 3 5.27 0.00 1.21 1.00 0.07 92.45 05:59:01 AM all 51.37 0.00 2.61 2.03 0.12 43.87 05:59:01 AM 0 51.09 0.00 2.71 1.82 0.12 44.26 05:59:01 AM 1 58.60 0.00 2.44 2.02 0.12 36.82 05:59:01 AM 2 45.27 0.00 3.27 3.33 0.13 48.00 05:59:01 AM 3 50.49 0.00 2.04 0.95 0.10 46.41 06:00:01 AM all 68.18 0.00 1.33 0.24 0.11 30.15 06:00:01 AM 0 69.43 0.00 0.90 0.00 0.10 29.57 06:00:01 AM 1 78.49 0.00 1.10 0.00 0.12 20.29 06:00:01 AM 2 74.87 0.00 2.05 0.00 0.12 22.96 06:00:01 AM 3 49.92 0.00 1.25 0.95 0.10 47.78 06:01:01 AM all 14.64 0.00 1.32 0.10 0.05 83.88 06:01:01 AM 0 14.99 0.00 1.40 0.02 0.07 83.52 06:01:01 AM 1 11.52 0.00 1.71 0.00 0.05 86.73 06:01:01 AM 2 16.31 0.00 1.15 0.37 0.05 82.12 06:01:01 AM 3 15.74 0.00 1.04 0.02 0.05 83.15 06:02:01 AM all 55.70 0.00 1.46 0.06 0.10 42.68 06:02:01 AM 0 51.39 0.00 0.70 0.07 0.10 47.74 06:02:01 AM 1 43.55 0.00 1.29 0.02 0.08 55.06 06:02:01 AM 2 77.14 0.00 2.50 0.12 0.10 20.14 06:02:01 AM 3 50.72 0.00 1.34 0.05 0.10 47.80 Average: all 42.13 0.00 1.77 0.71 0.09 55.29 Average: 0 44.22 0.00 1.71 0.65 0.09 53.33 Average: 1 42.47 0.00 1.74 0.47 0.09 55.24 Average: 2 47.40 0.00 2.28 1.13 0.09 49.10 Average: 3 34.44 0.00 1.37 0.60 0.08 63.50