---> uname -a: Linux prd-centos8-docker-4c-4g-13422.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1079 10764 19 3917 14332 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:47:00:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.244/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe47:38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:4f:0b:16 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:f2ff:fe4f:b16/64 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) 07/28/2026 _x86_64_ (4 CPU) 18:55:50 LINUX RESTART (4 CPU) 06:56:03 PM tps rtps wtps bread/s bwrtn/s 06:57:01 PM 269.32 30.30 239.02 7392.62 45728.44 06:58:01 PM 296.00 6.80 289.20 1178.14 33109.75 06:59:01 PM 979.46 1.67 977.79 79.31 34792.42 07:00:01 PM 222.00 112.31 109.69 1979.75 5525.12 Average: 443.12 37.84 405.29 2617.62 29653.00 06:56:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:57:01 PM 13131180 15003928 3008140 18.64 2688 2085012 1210680 7.04 152668 2489572 246908 06:58:01 PM 9537832 12119944 6601488 40.90 2688 2773508 4723332 27.48 275000 5856732 540 06:59:01 PM 10141056 13666064 5998264 37.17 2688 3521752 1975692 11.49 355852 4753320 93128 07:00:01 PM 9968520 13585264 6170800 38.23 2688 3605700 2156688 12.55 421612 4841820 16976 Average: 10694647 13593800 5444673 33.74 2688 2996493 2516598 14.64 301283 4485361 89388 06:56:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 PM eth0 373.10 220.46 2140.09 74.87 0.00 0.00 0.00 0.00 06:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 PM lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 06:58:01 PM eth0 394.54 308.71 5846.77 43.13 0.00 0.00 0.00 0.00 06:58:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 06:58:01 PM veth76a18b9 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 06:58:01 PM vethfd9afc9 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:59:01 PM lo 6.11 6.11 4.52 4.52 0.00 0.00 0.00 0.00 06:59:01 PM eth0 174.61 136.37 1810.65 27.77 0.00 0.00 0.00 0.00 06:59:01 PM docker0 3.20 2.98 4.08 0.44 0.00 0.00 0.00 0.00 07:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM eth0 7.08 4.45 59.45 2.07 0.00 0.00 0.00 0.00 07:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.61 1.61 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 236.17 167.04 2466.76 36.64 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.81 1.03 0.11 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) 07/28/2026 _x86_64_ (4 CPU) 18:55:50 LINUX RESTART (4 CPU) 06:56:03 PM CPU %user %nice %system %iowait %steal %idle 06:57:01 PM all 28.19 0.00 3.83 2.30 0.08 65.60 06:57:01 PM 0 19.41 0.00 3.74 3.03 0.09 73.73 06:57:01 PM 1 35.82 0.00 4.24 1.20 0.09 58.65 06:57:01 PM 2 27.53 0.00 4.26 4.29 0.09 63.83 06:57:01 PM 3 30.01 0.00 3.07 0.69 0.07 66.16 06:58:01 PM all 40.19 0.04 3.89 1.85 0.10 53.93 06:58:01 PM 0 33.44 0.03 4.27 2.62 0.10 59.53 06:58:01 PM 1 40.93 0.00 3.93 1.36 0.10 53.68 06:58:01 PM 2 42.94 0.00 3.07 1.88 0.08 52.03 06:58:01 PM 3 43.45 0.12 4.29 1.53 0.10 50.51 06:59:01 PM all 35.41 0.07 11.26 6.46 0.10 46.70 06:59:01 PM 0 46.90 0.03 13.39 7.30 0.10 32.27 06:59:01 PM 1 24.72 0.03 10.96 6.89 0.12 57.28 06:59:01 PM 2 37.07 0.17 9.27 4.45 0.10 48.93 06:59:01 PM 3 32.89 0.05 11.39 7.19 0.09 48.39 07:00:01 PM all 39.11 0.00 1.94 1.49 0.11 57.35 07:00:01 PM 0 36.00 0.00 1.72 0.84 0.12 61.33 07:00:01 PM 1 25.56 0.00 1.69 1.54 0.12 71.10 07:00:01 PM 2 63.86 0.00 2.69 2.48 0.10 30.87 07:00:01 PM 3 31.07 0.00 1.66 1.10 0.12 66.06 Average: all 35.79 0.03 5.21 3.01 0.10 55.86 Average: 0 34.01 0.02 5.77 3.44 0.10 56.66 Average: 1 31.75 0.01 5.19 2.74 0.11 60.21 Average: 2 43.01 0.04 4.80 3.26 0.09 48.79 Average: 3 34.39 0.04 5.08 2.61 0.09 57.78