---> uname -a: Linux prd-centos8-docker-4c-4g-13409.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 770 12201 19 2789 14652 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:34:99:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe34:990c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:11:1d:fe 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) 07/15/2026 _x86_64_ (4 CPU) 13:02:15 LINUX RESTART (4 CPU) 01:03:01 PM tps rtps wtps bread/s bwrtn/s 01:04:01 PM 206.35 18.54 187.80 3455.11 11416.03 01:05:01 PM 133.91 3.20 130.71 774.54 13217.19 01:06:01 PM 25.26 0.05 25.21 1.07 6713.36 01:07:01 PM 2.90 1.70 1.20 51.06 257.66 01:08:01 PM 21.70 1.48 20.21 141.98 720.46 Average: 78.03 5.00 73.03 884.83 6465.33 01:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:04:01 PM 12559296 14732436 3580016 22.18 2688 2377372 1427200 8.30 168472 3006444 268088 01:05:01 PM 10947816 13428744 5191496 32.17 2688 2679940 2717528 15.81 257692 4498800 189860 01:06:01 PM 10211176 12696804 5928136 36.73 2688 2684492 3237244 18.83 264652 5228308 1600 01:07:01 PM 9443204 11937832 6696108 41.49 2688 2693208 3886480 22.61 268636 5989192 1708 01:08:01 PM 12563164 15070640 3576148 22.16 2688 2705532 1091888 6.35 472616 2675352 25672 Average: 11144931 13573291 4994381 30.95 2688 2628109 2472068 14.38 286414 4279619 97386 01:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 PM eth0 198.77 158.16 2552.37 28.66 0.00 0.00 0.00 0.00 01:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 PM eth0 264.35 202.42 4274.24 24.58 0.00 0.00 0.00 0.00 01:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 PM eth0 21.18 17.13 3.99 28.06 0.00 0.00 0.00 0.00 01:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 PM eth0 19.30 19.25 4.02 18.23 0.00 0.00 0.00 0.00 01:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:01 PM lo 6.42 6.42 0.79 0.79 0.00 0.00 0.00 0.00 01:08:01 PM eth0 26.56 23.06 17.40 10.49 0.00 0.00 0.00 0.00 01:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 106.04 84.01 1370.54 22.00 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) 07/15/2026 _x86_64_ (4 CPU) 13:02:15 LINUX RESTART (4 CPU) 01:03:01 PM CPU %user %nice %system %iowait %steal %idle 01:04:01 PM all 25.69 0.00 2.96 1.15 0.11 70.09 01:04:01 PM 0 14.05 0.00 1.84 1.09 0.10 82.92 01:04:01 PM 1 27.76 0.00 1.92 0.57 0.10 69.64 01:04:01 PM 2 30.05 0.00 4.03 1.02 0.12 64.78 01:04:01 PM 3 30.91 0.00 4.05 1.91 0.12 63.01 01:05:01 PM all 64.91 0.00 2.42 0.60 0.14 31.93 01:05:01 PM 0 66.39 0.00 2.85 0.65 0.13 29.98 01:05:01 PM 1 57.20 0.00 2.12 0.40 0.15 40.12 01:05:01 PM 2 67.07 0.00 2.88 0.60 0.15 29.30 01:05:01 PM 3 68.99 0.00 1.82 0.74 0.13 28.32 01:06:01 PM all 34.75 0.00 0.61 0.17 0.09 64.38 01:06:01 PM 0 37.73 0.00 0.47 0.00 0.08 61.72 01:06:01 PM 1 27.78 0.00 0.92 0.65 0.10 70.55 01:06:01 PM 2 34.61 0.00 0.52 0.02 0.10 64.75 01:06:01 PM 3 38.87 0.00 0.55 0.00 0.08 60.50 01:07:01 PM all 29.45 0.00 0.64 0.02 0.08 69.81 01:07:01 PM 0 23.19 0.00 0.38 0.00 0.08 76.34 01:07:01 PM 1 32.05 0.00 0.80 0.00 0.08 67.07 01:07:01 PM 2 19.14 0.00 0.55 0.02 0.07 80.22 01:07:01 PM 3 43.39 0.00 0.82 0.05 0.08 55.66 01:08:01 PM all 38.24 0.00 1.58 0.08 0.09 60.01 01:08:01 PM 0 39.39 0.00 1.40 0.12 0.08 59.01 01:08:01 PM 1 39.85 0.00 1.82 0.13 0.10 58.10 01:08:01 PM 2 28.52 0.00 1.87 0.05 0.08 69.47 01:08:01 PM 3 45.16 0.00 1.24 0.03 0.10 53.47 Average: all 38.61 0.00 1.64 0.40 0.10 59.25 Average: 0 36.15 0.00 1.39 0.37 0.10 62.00 Average: 1 36.93 0.00 1.52 0.35 0.11 61.09 Average: 2 35.88 0.00 1.97 0.34 0.10 61.71 Average: 3 45.47 0.00 1.69 0.54 0.10 52.19