---> uname -a: Linux prd-centos8-docker-4c-4g-118.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 763 12206 20 2791 14657 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:8b:0f:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85998sec preferred_lft 85998sec inet6 fe80::f816:3eff:fe8b:f4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:10:05:b7:b4 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) 09/09/2026 _x86_64_ (4 CPU) 06:58:02 LINUX RESTART (4 CPU) 06:59:01 AM tps rtps wtps bread/s bwrtn/s 07:00:01 AM 128.33 14.62 113.71 3098.87 9970.75 07:01:01 AM 151.32 5.65 145.67 926.22 11370.69 07:02:01 AM 87.65 1.80 85.85 115.07 9944.30 07:03:01 AM 8.47 0.00 8.47 0.00 328.87 07:04:02 AM 2.83 1.73 1.10 51.56 215.50 Average: 75.72 4.76 70.96 838.35 6366.65 06:59:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 AM 12928904 15018052 3210412 19.89 2688 2297424 1440684 8.38 158200 2662708 230448 07:01:01 AM 12328468 14565248 3810848 23.61 2688 2440308 1558056 9.06 215740 3178084 54000 07:02:01 AM 10293064 12762180 5846252 36.22 2688 2668796 3356984 19.53 261064 5148224 2220 07:03:01 AM 10077932 12550232 6061384 37.56 2688 2671912 3388536 19.71 261132 5362960 1100 07:04:02 AM 8635980 11119128 7503336 46.49 2688 2682440 4762568 27.71 265384 6795768 4380 Average: 10852870 13202968 5286446 32.76 2688 2552176 2901366 16.88 232304 4629549 58430 06:59:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 AM eth0 141.92 97.39 1601.86 12.91 0.00 0.00 0.00 0.00 07:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM eth0 244.25 201.85 1721.58 30.57 0.00 0.00 0.00 0.00 07:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM eth0 286.82 216.66 3446.81 43.96 0.00 0.00 0.00 0.00 07:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM eth0 161.93 115.73 121.33 113.27 0.00 0.00 0.00 0.00 07:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:02 AM eth0 45.25 33.37 18.82 23.55 0.00 0.00 0.00 0.00 07:04:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 176.04 133.00 1382.38 44.84 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) 09/09/2026 _x86_64_ (4 CPU) 06:58:02 LINUX RESTART (4 CPU) 06:59:01 AM CPU %user %nice %system %iowait %steal %idle 07:00:01 AM all 16.31 0.00 1.67 0.69 0.02 81.31 07:00:01 AM 0 10.52 0.00 1.45 0.50 0.02 87.51 07:00:01 AM 1 24.60 0.00 2.44 1.07 0.02 71.88 07:00:01 AM 2 23.27 0.00 1.89 0.85 0.02 73.98 07:00:01 AM 3 6.83 0.00 0.92 0.33 0.02 91.90 07:01:01 AM all 27.66 0.00 1.71 0.90 0.04 69.68 07:01:01 AM 0 25.82 0.00 2.04 0.99 0.05 71.09 07:01:01 AM 1 27.56 0.00 1.85 0.72 0.05 69.82 07:01:01 AM 2 34.46 0.00 1.24 0.60 0.03 63.67 07:01:01 AM 3 22.80 0.00 1.71 1.31 0.02 74.17 07:02:01 AM all 61.33 0.00 1.90 0.41 0.05 36.31 07:02:01 AM 0 59.74 0.00 2.12 0.42 0.03 37.69 07:02:01 AM 1 68.25 0.00 1.52 0.35 0.08 29.79 07:02:01 AM 2 53.91 0.00 1.80 0.23 0.03 44.02 07:02:01 AM 3 63.43 0.00 2.17 0.62 0.03 33.75 07:03:01 AM all 17.34 0.00 1.46 0.01 0.02 81.17 07:03:01 AM 0 15.78 0.00 1.40 0.02 0.02 82.79 07:03:01 AM 1 17.75 0.00 1.54 0.02 0.02 80.68 07:03:01 AM 2 20.06 0.00 0.99 0.00 0.02 78.94 07:03:01 AM 3 15.78 0.00 1.91 0.00 0.03 82.28 07:04:02 AM all 44.83 0.00 1.16 0.02 0.02 53.97 07:04:02 AM 0 37.66 0.00 0.75 0.02 0.02 61.55 07:04:02 AM 1 33.63 0.00 0.92 0.00 0.02 65.44 07:04:02 AM 2 68.06 0.00 1.77 0.07 0.02 30.08 07:04:02 AM 3 39.98 0.00 1.19 0.00 0.02 58.82 Average: all 33.50 0.00 1.58 0.41 0.03 64.49 Average: 0 29.91 0.00 1.55 0.39 0.03 68.13 Average: 1 34.36 0.00 1.65 0.43 0.04 63.52 Average: 2 39.96 0.00 1.54 0.35 0.02 58.13 Average: 3 29.77 0.00 1.58 0.45 0.02 68.17