---> uname -a: Linux prd-centos8-docker-4c-4g-2717.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 811 11893 19 3057 14605 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:f6:54:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.112/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85993sec preferred_lft 85993sec inet6 fe80::f816:3eff:fef6:542e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:20:3c:4e 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::42:8aff:fe20:3c4e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/24/2026 _x86_64_ (4 CPU) 20:10:55 LINUX RESTART (4 CPU) 08:12:03 PM tps rtps wtps bread/s bwrtn/s 08:13:01 PM 235.12 20.14 214.98 3988.97 13245.24 08:14:01 PM 94.50 1.78 92.72 114.51 10435.66 08:15:01 PM 3.38 0.00 3.38 0.00 317.63 08:16:01 PM 59.35 3.30 56.06 648.61 13730.20 08:17:01 PM 35.83 0.10 35.73 1.33 4861.49 Average: 84.64 4.96 79.67 930.39 8486.63 08:12:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:13:01 PM 11940660 14060084 4200872 26.03 2688 2323636 2047212 11.91 217580 3572456 98456 08:14:01 PM 10133516 12456200 6008016 37.22 2688 2523548 3415380 19.87 263648 5316304 4220 08:15:01 PM 10057900 12384804 6083632 37.69 2688 2527628 3431536 19.96 263704 5392160 776 08:16:01 PM 7696316 10479044 8445216 52.32 2688 2972780 5757812 33.49 376420 7588388 24416 08:17:01 PM 10893128 13661556 5248404 32.51 2688 2958420 2629512 15.30 408448 4373748 9624 Average: 10144304 12608338 5997228 37.15 2688 2661202 3456290 20.11 305960 5248611 27498 08:12:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 PM eth0 226.25 191.16 2560.22 39.20 0.00 0.00 0.00 0.00 08:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 PM eth0 213.46 145.68 2916.86 30.31 0.00 0.00 0.00 0.00 08:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 PM eth0 17.45 17.23 3.65 27.47 0.00 0.00 0.00 0.00 08:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 PM lo 4.28 4.28 0.54 0.54 0.00 0.00 0.00 0.00 08:16:01 PM eth0 243.58 126.02 2714.13 15.43 0.00 0.00 0.00 0.00 08:16:01 PM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:16:01 PM vethc0ae55c 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 08:16:01 PM br-3175b1a27815 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:16:01 PM veth266588b 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 08:17:01 PM lo 12.76 12.76 26.61 26.61 0.00 0.00 0.00 0.00 08:17:01 PM eth0 13.56 11.88 119.25 13.16 0.00 0.00 0.00 0.00 08:17:01 PM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:17:01 PM vethc0ae55c 0.12 0.17 0.01 0.01 0.00 0.00 0.00 0.00 08:17:01 PM br-3175b1a27815 5.51 5.51 25.59 0.92 0.00 0.00 0.00 0.00 Average: lo 3.43 3.43 5.47 5.47 0.00 0.00 0.00 0.00 Average: eth0 142.30 97.77 1656.78 25.02 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethc0ae55c 0.04 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-3175b1a27815 1.11 1.13 5.15 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/24/2026 _x86_64_ (4 CPU) 20:10:55 LINUX RESTART (4 CPU) 08:12:03 PM CPU %user %nice %system %iowait %steal %idle 08:13:01 PM all 38.39 0.00 2.98 1.91 0.11 56.62 08:13:01 PM 0 48.80 0.00 4.11 1.59 0.10 45.40 08:13:01 PM 1 46.06 0.00 2.33 1.92 0.12 49.57 08:13:01 PM 2 28.16 0.00 1.99 1.28 0.10 68.46 08:13:01 PM 3 30.48 0.00 3.48 2.84 0.10 63.10 08:14:01 PM all 64.69 0.00 1.86 0.54 0.11 32.79 08:14:01 PM 0 69.68 0.00 1.84 0.52 0.10 27.87 08:14:01 PM 1 60.24 0.00 1.27 0.57 0.12 37.80 08:14:01 PM 2 73.80 0.00 2.40 0.22 0.12 23.47 08:14:01 PM 3 55.02 0.00 1.94 0.85 0.12 42.07 08:15:01 PM all 17.40 0.00 0.34 0.01 0.07 82.18 08:15:01 PM 0 17.60 0.00 0.30 0.00 0.07 82.03 08:15:01 PM 1 20.08 0.00 0.38 0.00 0.07 79.47 08:15:01 PM 2 14.26 0.00 0.37 0.02 0.07 85.28 08:15:01 PM 3 17.67 0.00 0.32 0.02 0.07 81.93 08:16:01 PM all 36.26 0.00 2.41 0.62 0.10 60.60 08:16:01 PM 0 32.25 0.00 2.26 0.23 0.10 65.15 08:16:01 PM 1 58.34 0.00 2.78 0.65 0.10 38.13 08:16:01 PM 2 26.30 0.00 2.43 0.62 0.10 70.55 08:16:01 PM 3 28.13 0.00 2.16 0.99 0.10 68.61 08:17:01 PM all 19.71 0.00 1.76 0.28 0.08 78.18 08:17:01 PM 0 23.30 0.00 2.12 0.37 0.07 74.14 08:17:01 PM 1 18.61 0.00 1.62 0.32 0.08 79.37 08:17:01 PM 2 19.33 0.00 1.11 0.33 0.07 79.17 08:17:01 PM 3 17.58 0.00 2.18 0.08 0.08 80.07 Average: all 35.27 0.00 1.86 0.66 0.09 62.11 Average: 0 38.26 0.00 2.11 0.53 0.09 59.01 Average: 1 40.62 0.00 1.67 0.68 0.10 56.93 Average: 2 32.43 0.00 1.66 0.49 0.09 65.34 Average: 3 29.77 0.00 2.01 0.94 0.09 67.18