---> uname -a: Linux prd-centos8-docker-4c-4g-5385.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 1042 10846 20 3872 14368 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:dd:22:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85909sec preferred_lft 85909sec inet6 fe80::f816:3eff:fedd:22b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:db:3b:43 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 inet6 fe80::42:aaff:fedb:3b43/64 scope link 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) 10/26/2026 _x86_64_ (4 CPU) 18:55:23 LINUX RESTART (4 CPU) 06:56:01 PM tps rtps wtps bread/s bwrtn/s 06:57:01 PM 171.68 31.14 140.54 4626.46 38314.30 06:58:01 PM 105.18 0.58 104.60 143.82 9885.25 06:59:01 PM 201.12 5.58 195.53 638.96 11153.24 07:00:01 PM 30.19 0.45 29.74 396.40 5030.82 07:01:01 PM 69.46 0.85 68.61 84.91 12204.55 07:02:01 PM 903.88 0.57 903.31 120.72 29564.84 07:03:01 PM 381.19 115.53 265.67 2031.12 8716.34 Average: 266.13 22.10 244.03 1148.90 16410.47 06:56:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:57:01 PM 13529772 15095564 2609544 16.17 2688 1793676 1181764 6.88 139324 2154104 44216 06:58:01 PM 13196512 15127324 2942804 18.23 2688 2139388 1098948 6.39 140508 2415864 176504 06:59:01 PM 11721832 13904916 4417484 27.37 2688 2385304 2335036 13.59 203084 3792728 127792 07:00:01 PM 11650200 13859488 4489116 27.81 2688 2410616 2665120 15.51 204692 3855972 20 07:01:01 PM 10970864 13528032 5168452 32.02 2688 2748532 2913952 16.95 306080 4392528 1196 07:02:01 PM 10412096 13877920 5727220 35.49 2688 3473052 1781340 10.36 396320 4450576 149384 07:03:01 PM 10149680 13720632 5989636 37.11 2688 3559184 1999088 11.63 464624 4599692 16976 Average: 11661565 14159125 4477751 27.74 2688 2644250 1996464 11.62 264947 3665923 73727 06:56:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 PM eth0 282.06 152.95 973.68 64.59 0.00 0.00 0.00 0.00 06:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 PM eth0 76.54 44.77 1150.43 8.57 0.00 0.00 0.00 0.00 06:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 PM eth0 264.92 221.21 3159.58 41.49 0.00 0.00 0.00 0.00 06:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 07:00:01 PM eth0 14.86 11.08 99.70 3.27 0.00 0.00 0.00 0.00 07:00:01 PM docker0 0.15 0.27 0.01 0.02 0.00 0.00 0.00 0.00 07:00:01 PM veth7733ed8 0.15 0.42 0.01 0.03 0.00 0.00 0.00 0.00 07:01:01 PM lo 6.36 6.36 5.13 5.13 0.00 0.00 0.00 0.00 07:01:01 PM eth0 187.50 86.72 2181.00 12.14 0.00 0.00 0.00 0.00 07:01:01 PM docker0 3.32 3.15 4.09 0.44 0.00 0.00 0.00 0.00 07:01:01 PM veth7733ed8 0.18 0.22 0.01 0.01 0.00 0.00 0.00 0.00 07:02:01 PM lo 0.97 0.97 0.21 0.21 0.00 0.00 0.00 0.00 07:02:01 PM eth0 249.22 163.64 1729.49 973.54 0.00 0.00 0.00 0.00 07:02:01 PM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM eth0 7.21 4.13 59.44 1.63 0.00 0.00 0.00 0.00 07:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 154.61 97.78 1336.13 157.93 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.49 0.59 0.07 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) 10/26/2026 _x86_64_ (4 CPU) 18:55:23 LINUX RESTART (4 CPU) 06:56:01 PM CPU %user %nice %system %iowait %steal %idle 06:57:01 PM all 12.54 0.00 2.28 1.53 0.02 83.63 06:57:01 PM 0 8.46 0.00 1.94 0.20 0.02 89.38 06:57:01 PM 1 19.08 0.00 2.47 3.09 0.03 75.32 06:57:01 PM 2 12.11 0.00 3.44 2.43 0.02 82.00 06:57:01 PM 3 10.50 0.00 1.27 0.40 0.00 87.83 06:58:01 PM all 12.82 0.00 1.22 0.50 0.01 85.45 06:58:01 PM 0 15.33 0.00 1.03 0.32 0.00 83.32 06:58:01 PM 1 21.66 0.00 1.97 0.88 0.02 75.47 06:58:01 PM 2 2.93 0.00 0.57 0.39 0.02 96.10 06:58:01 PM 3 11.33 0.00 1.32 0.40 0.02 86.93 06:59:01 PM all 28.41 0.00 1.86 1.08 0.02 68.63 06:59:01 PM 0 31.30 0.00 2.50 1.29 0.02 64.90 06:59:01 PM 1 30.10 0.00 1.51 1.09 0.00 67.30 06:59:01 PM 2 24.04 0.00 2.06 1.69 0.03 72.17 06:59:01 PM 3 28.17 0.00 1.39 0.27 0.02 70.16 07:00:01 PM all 1.38 0.00 0.32 0.21 0.01 98.08 07:00:01 PM 0 0.99 0.00 0.30 0.10 0.02 98.60 07:00:01 PM 1 1.70 0.00 0.37 0.40 0.02 97.51 07:00:01 PM 2 1.39 0.00 0.35 0.25 0.00 98.01 07:00:01 PM 3 1.44 0.00 0.27 0.08 0.00 98.21 07:01:01 PM all 22.87 0.09 2.00 0.37 0.01 74.65 07:01:01 PM 0 25.16 0.03 1.94 0.22 0.02 72.62 07:01:01 PM 1 25.59 0.08 1.88 0.22 0.02 72.22 07:01:01 PM 2 17.12 0.05 2.30 0.59 0.00 79.94 07:01:01 PM 3 23.59 0.20 1.88 0.47 0.02 73.84 07:02:01 PM all 18.29 0.00 8.50 5.83 0.01 67.37 07:02:01 PM 0 18.99 0.00 8.33 5.86 0.02 66.81 07:02:01 PM 1 15.65 0.00 9.21 6.60 0.00 68.55 07:02:01 PM 2 26.45 0.00 8.62 5.38 0.02 59.53 07:02:01 PM 3 12.08 0.00 7.85 5.48 0.02 74.57 07:03:01 PM all 37.59 0.00 2.28 2.50 0.02 57.61 07:03:01 PM 0 23.24 0.00 1.71 1.29 0.00 73.77 07:03:01 PM 1 45.92 0.00 2.33 2.53 0.03 49.19 07:03:01 PM 2 26.32 0.00 2.09 2.11 0.02 69.46 07:03:01 PM 3 54.88 0.00 2.99 4.06 0.02 38.05 Average: all 19.12 0.01 2.63 1.71 0.01 76.52 Average: 0 17.63 0.00 2.53 1.32 0.01 78.51 Average: 1 22.82 0.01 2.81 2.11 0.02 72.24 Average: 2 15.74 0.01 2.77 1.83 0.01 79.64 Average: 3 20.28 0.03 2.42 1.59 0.01 75.67