---> uname -a: Linux prd-centos8-docker-4c-4g-69.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 781 12170 19 2809 14640 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:23:fd:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.25/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86032sec preferred_lft 86032sec inet6 fe80::f816:3eff:fe23:fd6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:23:3b:43 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) 07/16/2026 _x86_64_ (4 CPU) 07:37:00 LINUX RESTART (4 CPU) 07:38:01 AM tps rtps wtps bread/s bwrtn/s 07:39:01 AM 222.66 19.93 202.73 3982.68 10705.74 07:40:01 AM 117.28 2.01 115.26 245.14 12568.59 07:41:01 AM 19.06 0.00 19.06 0.00 6585.00 07:42:01 AM 5.88 1.73 4.15 51.59 336.99 07:43:01 AM 25.51 1.47 24.04 141.55 1114.90 Average: 78.11 5.03 73.08 884.51 6264.30 07:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:39:01 AM 12151516 14391704 3987804 24.71 2688 2443112 1901236 11.06 179936 3397848 299928 07:40:01 AM 10778760 13266604 5360560 33.21 2688 2686308 2826676 16.45 264660 4662412 192028 07:41:01 AM 9974408 12468808 6164912 38.20 2688 2692628 3376496 19.64 266800 5461384 2636 07:42:01 AM 9086744 11588672 7052576 43.70 2688 2699996 4193008 24.40 269308 6344540 1592 07:43:01 AM 12530056 15057368 3609264 22.36 2688 2723188 1087528 6.33 475816 2700224 26272 Average: 10904297 13354631 5235023 32.44 2688 2649046 2676989 15.57 291304 4513282 104491 07:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:39:01 AM eth0 240.44 194.46 2664.35 35.64 0.00 0.00 0.00 0.00 07:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 AM eth0 245.22 182.61 3551.26 34.58 0.00 0.00 0.00 0.00 07:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM eth0 89.90 57.18 32.49 42.38 0.00 0.00 0.00 0.00 07:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 AM eth0 277.37 178.22 81.94 76.10 0.00 0.00 0.00 0.00 07:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:43:01 AM lo 6.50 6.50 0.80 0.80 0.00 0.00 0.00 0.00 07:43:01 AM eth0 30.96 26.91 21.06 21.98 0.00 0.00 0.00 0.00 07:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 176.80 127.89 1270.90 42.13 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) 07/16/2026 _x86_64_ (4 CPU) 07:37:00 LINUX RESTART (4 CPU) 07:38:01 AM CPU %user %nice %system %iowait %steal %idle 07:39:01 AM all 31.54 0.00 2.53 1.28 0.13 64.52 07:39:01 AM 0 26.05 0.00 2.14 1.20 0.13 70.48 07:39:01 AM 1 45.69 0.00 3.34 1.04 0.13 49.80 07:39:01 AM 2 22.68 0.00 2.04 0.97 0.10 74.20 07:39:01 AM 3 31.72 0.00 2.59 1.92 0.15 63.62 07:40:01 AM all 63.18 0.00 1.96 0.73 0.13 34.00 07:40:01 AM 0 51.20 0.00 2.00 0.38 0.13 46.28 07:40:01 AM 1 65.53 0.00 1.80 1.03 0.13 31.50 07:40:01 AM 2 60.59 0.00 1.79 1.14 0.12 36.37 07:40:01 AM 3 75.39 0.00 2.25 0.38 0.12 21.86 07:41:01 AM all 47.07 0.00 1.12 0.12 0.10 51.59 07:41:01 AM 0 33.91 0.00 1.25 0.12 0.08 64.63 07:41:01 AM 1 52.71 0.00 0.79 0.00 0.10 46.40 07:41:01 AM 2 56.33 0.00 0.85 0.00 0.10 42.72 07:41:01 AM 3 45.32 0.00 1.61 0.37 0.10 52.60 07:42:01 AM all 23.06 0.00 1.24 0.07 0.08 75.56 07:42:01 AM 0 22.71 0.00 0.77 0.03 0.07 76.42 07:42:01 AM 1 22.70 0.00 1.55 0.00 0.08 75.66 07:42:01 AM 2 32.09 0.00 1.09 0.22 0.07 66.54 07:42:01 AM 3 14.75 0.00 1.54 0.02 0.08 83.61 07:43:01 AM all 44.13 0.00 1.74 0.10 0.10 53.93 07:43:01 AM 0 34.59 0.00 1.45 0.05 0.10 63.81 07:43:01 AM 1 45.22 0.00 1.12 0.13 0.10 53.43 07:43:01 AM 2 47.95 0.00 2.02 0.07 0.10 49.87 07:43:01 AM 3 48.77 0.00 2.37 0.13 0.10 48.62 Average: all 41.80 0.00 1.72 0.46 0.11 55.91 Average: 0 33.69 0.00 1.52 0.36 0.10 64.32 Average: 1 46.37 0.00 1.72 0.44 0.11 51.35 Average: 2 43.94 0.00 1.56 0.48 0.10 53.92 Average: 3 43.20 0.00 2.07 0.57 0.11 54.05