---> uname -a: Linux prd-centos8-docker-8c-8g-3074.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1522 27725 19 2640 29916 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:e1:dc:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fee1:dce9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:83:e7:0a 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) 06/27/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 191.58 2.62 188.97 578.70 10870.82 02:04:01 PM 113.41 1.73 111.68 663.78 13554.47 02:05:01 PM 46.56 2.07 44.49 78.92 5810.03 Average: 117.19 2.14 115.05 440.48 10078.63 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27869256 29887852 4784116 14.65 2688 2332712 2698488 8.01 169872 4139160 333528 02:04:01 PM 27338436 29522172 5314936 16.28 2688 2492760 3431360 10.18 223128 4592360 106200 02:05:01 PM 28446244 30677268 4207128 12.88 2688 2538628 1880176 5.58 449916 3255920 7512 Average: 27884645 30029097 4768727 14.60 2688 2454700 2670008 7.92 280972 3995813 149080 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 251.82 190.27 3663.25 45.50 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 180.67 140.25 1478.47 33.79 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 263.67 184.54 666.16 139.83 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 232.05 171.68 1935.93 73.04 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) 06/27/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 18.15 0.00 1.27 0.46 0.06 80.06 02:03:01 PM 0 11.59 0.00 0.77 0.27 0.07 87.31 02:03:01 PM 1 20.63 0.00 1.87 0.85 0.07 76.58 02:03:01 PM 2 24.38 0.00 1.49 0.67 0.05 73.42 02:03:01 PM 3 21.08 0.00 2.00 1.09 0.05 75.78 02:03:01 PM 4 12.89 0.00 0.45 0.00 0.10 86.56 02:03:01 PM 5 29.60 0.00 1.79 0.22 0.07 68.33 02:03:01 PM 6 13.35 0.00 0.70 0.37 0.07 85.51 02:03:01 PM 7 11.66 0.00 1.10 0.18 0.05 87.00 02:04:01 PM all 43.28 0.00 1.66 0.38 0.09 54.59 02:04:01 PM 0 30.63 0.00 1.92 0.32 0.10 67.03 02:04:01 PM 1 45.30 0.00 1.49 0.89 0.08 52.24 02:04:01 PM 2 35.78 0.00 1.65 0.67 0.10 61.79 02:04:01 PM 3 44.30 0.00 1.39 0.05 0.08 54.18 02:04:01 PM 4 44.28 0.00 1.40 0.48 0.08 53.74 02:04:01 PM 5 56.94 0.00 2.57 0.20 0.10 40.18 02:04:01 PM 6 42.30 0.00 1.09 0.38 0.08 56.14 02:04:01 PM 7 46.70 0.00 1.77 0.08 0.08 51.36 02:05:01 PM all 20.09 0.00 1.07 0.14 0.05 78.65 02:05:01 PM 0 14.16 0.00 0.67 0.48 0.07 84.62 02:05:01 PM 1 26.44 0.00 1.55 0.03 0.07 71.91 02:05:01 PM 2 18.06 0.00 0.90 0.07 0.05 80.92 02:05:01 PM 3 13.12 0.00 0.90 0.02 0.07 85.89 02:05:01 PM 4 27.08 0.00 1.56 0.13 0.05 71.18 02:05:01 PM 5 13.31 0.00 1.02 0.08 0.03 85.56 02:05:01 PM 6 25.53 0.00 1.09 0.08 0.03 73.26 02:05:01 PM 7 23.02 0.00 0.85 0.22 0.05 75.86 Average: all 27.17 0.00 1.33 0.33 0.07 71.10 Average: 0 18.79 0.00 1.12 0.36 0.08 79.65 Average: 1 30.78 0.00 1.64 0.59 0.07 66.92 Average: 2 26.07 0.00 1.35 0.47 0.07 72.05 Average: 3 26.17 0.00 1.43 0.38 0.07 71.95 Average: 4 28.09 0.00 1.14 0.21 0.08 70.48 Average: 5 33.28 0.00 1.79 0.17 0.07 64.69 Average: 6 27.06 0.00 0.96 0.28 0.06 71.64 Average: 7 27.12 0.00 1.24 0.16 0.06 71.41