---> uname -a: Linux prd-centos8-docker-4c-4g-1417.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1424 10451 20 3885 13994 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:d3:af:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85989sec preferred_lft 85989sec inet6 fe80::f816:3eff:fed3:af4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8c:39:b3:4f 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) 09/14/2026 _x86_64_ (4 CPU) 20:02:03 LINUX RESTART (4 CPU) 08:03:01 PM tps rtps wtps bread/s bwrtn/s 08:04:01 PM 225.26 18.93 206.33 3467.29 14379.39 08:05:01 PM 118.49 3.10 115.39 765.35 43179.63 08:06:01 PM 30.16 0.00 30.16 0.00 7580.40 08:07:01 PM 4.25 0.00 4.25 0.00 321.04 08:08:01 PM 24.31 5.42 18.90 210.10 477.17 Average: 80.49 5.49 75.00 888.48 13188.67 08:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 PM 11492832 14789056 4646484 28.79 2688 3499016 1352900 7.87 196856 4034476 1255448 08:05:01 PM 9871672 13422664 6267644 38.83 2688 3749276 2604056 15.15 305140 5526024 215032 08:06:01 PM 8985632 12542304 7153684 44.32 2688 3754816 3296772 19.18 315312 6399312 2584 08:07:01 PM 8140552 11702700 7998764 49.56 2688 3760012 4189928 24.38 315584 7241040 1364 08:08:01 PM 10791720 14413948 5347596 33.13 2688 3818656 1670712 9.72 368008 4542180 51896 Average: 9856482 13374134 6282834 38.93 2688 3716355 2622874 15.26 300180 5548606 305265 08:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 PM eth0 817.30 452.36 20728.90 53.40 0.00 0.00 0.00 0.00 08:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 PM eth0 201.92 149.23 3427.51 21.35 0.00 0.00 0.00 0.00 08:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 PM eth0 183.74 125.21 82.71 85.97 0.00 0.00 0.00 0.00 08:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 PM eth0 264.08 181.98 104.87 95.60 0.00 0.00 0.00 0.00 08:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 PM lo 6.60 6.60 0.80 0.80 0.00 0.00 0.00 0.00 08:08:01 PM eth0 187.92 136.53 657.34 60.84 0.00 0.00 0.00 0.00 08:08:01 PM 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 330.98 209.05 4999.84 63.43 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) 09/14/2026 _x86_64_ (4 CPU) 20:02:03 LINUX RESTART (4 CPU) 08:03:01 PM CPU %user %nice %system %iowait %steal %idle 08:04:01 PM all 25.71 0.00 2.78 1.33 0.02 70.17 08:04:01 PM 0 36.07 0.00 4.21 1.84 0.02 57.86 08:04:01 PM 1 14.84 0.00 1.90 1.06 0.02 82.19 08:04:01 PM 2 25.26 0.00 3.07 1.59 0.02 70.06 08:04:01 PM 3 26.61 0.00 1.92 0.84 0.02 70.61 08:05:01 PM all 63.21 0.00 2.00 1.02 0.04 33.73 08:05:01 PM 0 72.12 0.00 1.28 0.42 0.07 26.11 08:05:01 PM 1 50.00 0.00 2.84 1.82 0.03 45.30 08:05:01 PM 2 66.57 0.00 1.62 1.57 0.05 30.19 08:05:01 PM 3 64.12 0.00 2.24 0.28 0.02 33.34 08:06:01 PM all 46.02 0.00 1.53 0.19 0.01 52.24 08:06:01 PM 0 47.89 0.00 1.40 0.13 0.00 50.58 08:06:01 PM 1 39.69 0.00 1.55 0.62 0.02 58.12 08:06:01 PM 2 48.99 0.00 1.47 0.02 0.02 49.51 08:06:01 PM 3 47.51 0.00 1.69 0.00 0.02 50.78 08:07:01 PM all 20.68 0.00 1.44 0.02 0.01 77.86 08:07:01 PM 0 25.72 0.00 0.87 0.03 0.00 73.38 08:07:01 PM 1 11.18 0.00 1.64 0.00 0.00 87.18 08:07:01 PM 2 11.58 0.00 1.79 0.03 0.02 86.58 08:07:01 PM 3 34.23 0.00 1.45 0.00 0.02 64.30 08:08:01 PM all 62.91 0.00 1.89 0.11 0.04 35.06 08:08:01 PM 0 59.19 0.00 2.19 0.07 0.05 38.51 08:08:01 PM 1 51.16 0.00 1.93 0.10 0.03 46.78 08:08:01 PM 2 70.15 0.00 1.15 0.00 0.03 28.67 08:08:01 PM 3 71.11 0.00 2.28 0.27 0.03 26.31 Average: all 43.72 0.00 1.92 0.53 0.02 53.80 Average: 0 48.20 0.00 1.99 0.50 0.03 49.28 Average: 1 33.39 0.00 1.97 0.72 0.02 63.90 Average: 2 44.54 0.00 1.82 0.64 0.03 52.97 Average: 3 48.72 0.00 1.92 0.28 0.02 49.07