---> uname -a: Linux prd-centos8-docker-4c-4g-357.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: 2799.996 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 784 12167 19 2808 14637 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:e9:b6:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.36/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fee9:b6dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:ce:94:ad 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) 07/17/2026 _x86_64_ (4 CPU) 07:55:16 LINUX RESTART (4 CPU) 07:56:01 AM tps rtps wtps bread/s bwrtn/s 07:57:01 AM 223.62 19.28 204.34 3967.64 11590.41 07:58:01 AM 125.52 2.62 122.91 258.67 13162.02 07:59:01 AM 26.59 0.05 26.54 1.07 6760.33 08:00:01 AM 1.13 0.03 1.10 0.53 252.79 08:01:01 AM 29.11 3.18 25.92 192.74 1356.58 Average: 81.22 5.03 76.19 884.65 6625.68 07:56:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:57:01 AM 12448688 14688716 3690632 22.87 2688 2443368 1438104 8.37 176684 3108000 315360 07:58:01 AM 10684508 13171168 5454812 33.80 2688 2685308 2763560 16.08 261684 4759844 192260 07:59:01 AM 9515964 12009380 6623356 41.04 2688 2691840 3757876 21.86 263852 5921528 2728 08:00:01 AM 8883812 11383120 7255508 44.96 2688 2697516 4403960 25.62 264148 6551468 1556 08:01:01 AM 12479204 15004828 3660116 22.68 2688 2722304 1127088 6.56 473184 2754820 24220 Average: 10802435 13251442 5336885 33.07 2688 2648067 2698118 15.70 287910 4619132 107225 07:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 AM eth0 256.40 204.69 3323.52 36.60 0.00 0.00 0.00 0.00 07:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:58:01 AM eth0 239.21 175.31 3523.97 34.88 0.00 0.00 0.00 0.00 07:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM eth0 71.21 44.25 25.46 37.39 0.00 0.00 0.00 0.00 07:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM eth0 205.68 141.76 62.95 65.85 0.00 0.00 0.00 0.00 08:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM lo 6.60 6.60 0.80 0.80 0.00 0.00 0.00 0.00 08:01:01 AM eth0 30.09 26.09 19.83 23.57 0.00 0.00 0.00 0.00 08:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.32 1.32 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 160.54 118.44 1391.59 39.66 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) 07/17/2026 _x86_64_ (4 CPU) 07:55:16 LINUX RESTART (4 CPU) 07:56:01 AM CPU %user %nice %system %iowait %steal %idle 07:57:01 AM all 28.85 0.00 2.42 1.32 0.10 67.31 07:57:01 AM 0 43.16 0.00 3.91 1.40 0.12 51.41 07:57:01 AM 1 15.39 0.00 1.54 0.74 0.08 82.25 07:57:01 AM 2 25.89 0.00 2.08 1.72 0.10 70.21 07:57:01 AM 3 30.92 0.00 2.16 1.44 0.08 65.39 07:58:01 AM all 64.26 0.00 1.99 0.61 0.13 33.01 07:58:01 AM 0 61.58 0.00 1.54 0.50 0.13 36.25 07:58:01 AM 1 58.34 0.00 2.44 0.70 0.13 38.38 07:58:01 AM 2 65.17 0.00 2.57 0.74 0.13 31.39 07:58:01 AM 3 71.93 0.00 1.42 0.48 0.13 26.04 07:59:01 AM all 49.13 0.00 1.21 0.15 0.10 49.40 07:59:01 AM 0 49.32 0.00 1.14 0.00 0.10 49.45 07:59:01 AM 1 33.80 0.00 1.66 0.62 0.10 63.82 07:59:01 AM 2 56.01 0.00 1.67 0.00 0.12 42.20 07:59:01 AM 3 57.36 0.00 0.37 0.00 0.10 42.17 08:00:01 AM all 18.64 0.00 1.16 0.00 0.07 80.12 08:00:01 AM 0 14.13 0.00 0.94 0.02 0.07 84.85 08:00:01 AM 1 11.32 0.00 1.17 0.00 0.07 87.45 08:00:01 AM 2 29.73 0.00 1.80 0.00 0.08 68.38 08:00:01 AM 3 19.39 0.00 0.73 0.00 0.07 79.81 08:01:01 AM all 44.73 0.00 1.75 0.12 0.13 53.27 08:01:01 AM 0 38.04 0.00 1.20 0.17 0.12 60.47 08:01:01 AM 1 39.06 0.00 1.60 0.10 0.15 59.08 08:01:01 AM 2 52.60 0.00 2.11 0.12 0.12 45.06 08:01:01 AM 3 49.25 0.00 2.07 0.10 0.13 48.45 Average: all 41.12 0.00 1.71 0.44 0.11 56.62 Average: 0 41.25 0.00 1.74 0.42 0.11 56.49 Average: 1 31.57 0.00 1.68 0.43 0.11 66.21 Average: 2 45.89 0.00 2.05 0.51 0.11 51.44 Average: 3 45.78 0.00 1.35 0.40 0.10 52.37