---> uname -a: Linux prd-centos8-docker-4c-4g-13365.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 767 12192 19 2801 14654 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:3e:53:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.208/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fe3e:530a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:17:b6:f5 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) 07/28/2026 _x86_64_ (4 CPU) 14:29:45 LINUX RESTART (4 CPU) 02:30:00 PM tps rtps wtps bread/s bwrtn/s 02:30:01 PM 3.17 3.17 0.00 156.61 0.00 02:31:01 PM 281.39 20.69 260.70 5494.17 10261.20 02:32:01 PM 243.19 22.11 221.08 4229.66 17565.39 02:33:02 PM 59.31 0.05 59.26 1.07 8375.00 02:34:01 PM 1.20 0.00 1.20 0.00 230.38 02:35:01 PM 7.70 2.83 4.87 263.69 250.67 Average: 118.22 9.13 109.09 1992.72 7314.38 02:30:00 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 PM 14071004 15437768 2068316 12.82 2688 1598056 804052 4.68 93316 1683452 19236 02:31:01 PM 13133844 15054316 3005476 18.62 2688 2130480 1141240 6.64 159292 2471308 271780 02:32:01 PM 12020784 14309928 4118536 25.52 2688 2489740 1750016 10.18 235660 3459268 46836 02:33:02 PM 9677216 12157432 6462104 40.04 2688 2678808 3843904 22.36 264028 5760908 3420 02:34:01 PM 9538568 12022496 6600752 40.90 2688 2682468 3859708 22.46 264052 5898688 1032 02:35:01 PM 10987628 13500260 5151692 31.92 2688 2710132 2508040 14.59 280968 4435664 15544 Average: 11571507 13747033 4567813 28.30 2688 2381614 2317827 13.49 216219 3951548 59641 02:30:00 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 PM eth0 2.65 2.12 0.96 0.33 0.00 0.00 0.00 0.00 02:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 PM eth0 360.26 206.70 2155.80 69.24 0.00 0.00 0.00 0.00 02:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 PM eth0 262.58 224.41 2784.94 48.40 0.00 0.00 0.00 0.00 02:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:02 PM eth0 206.23 137.26 2927.65 30.86 0.00 0.00 0.00 0.00 02:33:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 PM eth0 238.11 139.27 77.71 77.57 0.00 0.00 0.00 0.00 02:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:35:01 PM lo 6.45 6.45 0.79 0.79 0.00 0.00 0.00 0.00 02:35:01 PM eth0 58.16 44.91 17.03 27.53 0.00 0.00 0.00 0.00 02:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 223.63 149.62 1587.81 50.31 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) 07/28/2026 _x86_64_ (4 CPU) 14:29:45 LINUX RESTART (4 CPU) 02:30:00 PM CPU %user %nice %system %iowait %steal %idle 02:30:01 PM all 91.49 0.00 5.19 0.13 0.13 3.06 02:30:01 PM 0 95.70 0.00 3.76 0.00 0.00 0.54 02:30:01 PM 1 93.16 0.00 4.74 0.00 0.00 2.11 02:30:01 PM 2 83.60 0.00 8.47 0.53 0.53 6.88 02:30:01 PM 3 93.58 0.00 3.74 0.00 0.00 2.67 02:31:01 PM all 26.63 0.00 3.10 1.13 0.08 69.05 02:31:01 PM 0 17.52 0.00 1.69 0.27 0.08 80.45 02:31:01 PM 1 42.08 0.00 4.03 0.85 0.10 52.94 02:31:01 PM 2 22.80 0.00 3.01 1.02 0.05 73.11 02:31:01 PM 3 24.12 0.00 3.67 2.40 0.10 69.70 02:32:01 PM all 50.85 0.00 2.46 1.44 0.10 45.14 02:32:01 PM 0 45.75 0.00 2.23 1.46 0.12 50.45 02:32:01 PM 1 48.63 0.00 2.16 0.84 0.10 48.28 02:32:01 PM 2 53.64 0.00 2.85 1.93 0.10 41.48 02:32:01 PM 3 55.38 0.00 2.62 1.55 0.10 40.34 02:33:02 PM all 68.55 0.00 1.49 0.25 0.10 29.61 02:33:02 PM 0 78.01 0.00 1.44 0.13 0.10 20.32 02:33:02 PM 1 61.97 0.00 1.67 0.25 0.10 36.01 02:33:02 PM 2 53.17 0.00 1.89 0.52 0.10 44.32 02:33:02 PM 3 81.01 0.00 0.95 0.12 0.08 17.84 02:34:01 PM all 16.95 0.00 1.40 0.01 0.07 81.57 02:34:01 PM 0 16.90 0.00 1.19 0.00 0.07 81.84 02:34:01 PM 1 17.63 0.00 1.46 0.00 0.07 80.84 02:34:01 PM 2 19.57 0.00 1.43 0.00 0.07 78.93 02:34:01 PM 3 13.72 0.00 1.53 0.03 0.07 84.65 02:35:01 PM all 52.33 0.00 1.29 0.04 0.09 46.25 02:35:01 PM 0 43.57 0.00 0.97 0.02 0.08 55.36 02:35:01 PM 1 46.46 0.00 0.80 0.00 0.08 52.65 02:35:01 PM 2 71.43 0.00 1.60 0.10 0.08 26.78 02:35:01 PM 3 47.86 0.00 1.79 0.03 0.10 50.22 Average: all 43.46 0.00 1.97 0.57 0.09 53.91 Average: 0 40.77 0.00 1.52 0.37 0.09 57.25 Average: 1 43.76 0.00 2.04 0.39 0.09 53.72 Average: 2 44.46 0.00 2.20 0.71 0.08 52.55 Average: 3 44.86 0.00 2.12 0.82 0.09 52.11