---> uname -a: Linux prd-centos8-docker-4c-4g-304.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2800.000 BogoMIPS: 5600.00 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 849 11607 19 3305 14564 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:21:47:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.227/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85898sec preferred_lft 85898sec inet6 fe80::f816:3eff:fe21:476b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:e8:5f:38 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:d7ff:fee8:5f38/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 12/20/2025 _x86_64_ (4 CPU) 08:02:29 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 207.38 18.53 188.85 3308.23 10388.00 08:05:01 AM 140.98 3.15 137.83 766.81 10271.59 08:06:01 AM 23.01 0.05 22.96 1.07 6254.47 08:07:01 AM 5.62 2.93 2.68 227.03 271.49 08:08:01 AM 66.83 0.62 66.21 425.46 14872.48 08:09:01 AM 17.28 0.13 17.14 4.80 3853.78 08:10:01 AM 53.62 1.10 52.52 1586.27 7501.18 Average: 73.53 3.79 69.74 902.87 7630.57 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12744864 14766856 3396668 21.04 2688 2228500 1398116 8.13 166824 2836472 181916 08:05:01 AM 11313372 13623980 4828160 29.91 2688 2511860 2399296 13.96 260020 4145056 177704 08:06:01 AM 10940892 13255688 5200640 32.22 2688 2515912 2672316 15.55 260224 4515572 212 08:07:01 AM 8966856 11296708 7174676 44.45 2688 2530408 4659952 27.11 272428 6468876 980 08:08:01 AM 6518420 9346228 9623112 59.62 2688 3017904 13254396 77.10 381716 8729564 48812 08:09:01 AM 11871092 14697704 4270440 26.46 2688 3016716 1460300 8.50 431212 3376400 69656 08:10:01 AM 10438676 13483772 5702856 35.33 2688 3230208 2490844 14.49 472956 4749852 28296 Average: 10399167 12924419 5742365 35.58 2688 2721644 4047889 23.55 320769 4974542 72511 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 223.24 182.77 2177.11 33.42 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 307.77 224.63 3946.30 35.07 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 195.28 126.11 63.26 70.04 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 08:07:01 AM eth0 114.60 67.64 47.84 50.53 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 11.68 11.68 26.70 26.70 0.00 0.00 0.00 0.00 08:08:01 AM eth0 260.35 141.59 2830.85 12.29 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth699a146 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-730c0f2eae36 5.63 5.45 25.60 0.91 0.00 0.00 0.00 0.00 08:08:01 AM vethb14280c 5.80 5.46 25.68 0.89 0.00 0.00 0.00 0.00 08:08:01 AM veth31286f7 10.85 11.28 26.54 26.60 0.00 0.00 0.00 0.00 08:09:01 AM lo 2.30 2.30 0.18 0.18 0.00 0.00 0.00 0.00 08:09:01 AM eth0 82.84 57.38 1169.55 6.52 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 68.53 54.72 1734.57 5.68 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.93 2.93 3.95 3.95 0.00 0.00 0.00 0.00 Average: eth0 178.94 122.12 1709.95 30.51 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 12/20/2025 _x86_64_ (4 CPU) 08:02:29 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 26.58 0.00 2.22 1.28 0.08 69.84 08:04:01 AM 0 28.78 0.00 3.59 2.52 0.10 65.00 08:04:01 AM 1 21.66 0.00 2.11 1.30 0.08 74.85 08:04:01 AM 2 22.12 0.00 1.20 0.69 0.07 75.92 08:04:01 AM 3 33.75 0.00 1.95 0.60 0.08 63.61 08:05:01 AM all 62.29 0.00 1.93 0.66 0.10 35.01 08:05:01 AM 0 60.63 0.00 1.49 0.82 0.10 36.96 08:05:01 AM 1 64.64 0.00 1.82 0.27 0.10 33.18 08:05:01 AM 2 55.28 0.00 2.19 0.48 0.10 41.95 08:05:01 AM 3 68.62 0.00 2.24 1.05 0.12 27.97 08:06:01 AM all 20.71 0.00 1.26 0.20 0.07 77.76 08:06:01 AM 0 14.38 0.00 1.75 0.17 0.08 83.61 08:06:01 AM 1 23.68 0.00 1.04 0.30 0.07 74.92 08:06:01 AM 2 22.89 0.00 1.12 0.12 0.07 75.81 08:06:01 AM 3 21.90 0.00 1.12 0.20 0.07 76.71 08:07:01 AM all 37.95 0.00 1.42 0.03 0.08 60.52 08:07:01 AM 0 41.00 0.00 1.64 0.07 0.08 57.21 08:07:01 AM 1 54.55 0.00 1.72 0.03 0.08 43.61 08:07:01 AM 2 26.74 0.00 1.42 0.02 0.07 71.75 08:07:01 AM 3 29.50 0.00 0.92 0.00 0.07 69.51 08:08:01 AM all 23.76 0.00 3.09 3.28 0.10 69.77 08:08:01 AM 0 21.63 0.00 2.82 3.78 0.10 71.67 08:08:01 AM 1 26.30 0.00 3.18 0.45 0.10 69.97 08:08:01 AM 2 28.77 0.00 3.23 8.08 0.08 59.83 08:08:01 AM 3 18.33 0.00 3.12 0.82 0.10 77.62 08:09:01 AM all 22.14 0.00 1.27 0.16 0.07 76.37 08:09:01 AM 0 25.56 0.00 1.67 0.03 0.07 72.66 08:09:01 AM 1 21.86 0.00 0.85 0.00 0.08 77.20 08:09:01 AM 2 18.79 0.00 1.25 0.28 0.08 79.59 08:09:01 AM 3 22.34 0.00 1.29 0.32 0.05 76.01 08:10:01 AM all 72.49 0.00 1.25 0.30 0.11 25.84 08:10:01 AM 0 41.43 0.00 1.25 0.45 0.10 56.76 08:10:01 AM 1 83.84 0.00 0.50 0.05 0.12 15.49 08:10:01 AM 2 81.81 0.00 2.27 0.08 0.13 15.71 08:10:01 AM 3 82.87 0.00 0.99 0.62 0.10 15.43 Average: all 38.00 0.00 1.78 0.84 0.09 59.29 Average: 0 33.35 0.00 2.03 1.12 0.09 63.41 Average: 1 42.39 0.00 1.60 0.34 0.09 55.57 Average: 2 36.64 0.00 1.81 1.39 0.09 60.08 Average: 3 39.63 0.00 1.66 0.52 0.08 58.11