---> uname -a: Linux prd-centos8-docker-8c-8g-8865.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1063 27069 19 3757 30363 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:82:57:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.216/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe82:575f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a5:ed:6d:aa 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:a5ff:feed:6daa/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) 05/08/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 207.90 14.51 193.38 3120.28 10868.44 03:40:01 AM 425.84 5.56 420.28 1232.12 16141.79 03:41:01 AM 262.11 2.98 259.13 451.72 45932.76 Average: 298.62 7.69 290.94 1601.29 24315.07 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29175192 31140864 3480520 10.66 2688 2282004 1994548 5.92 194072 2821996 223064 03:40:01 AM 27729792 30102732 4925920 15.08 2688 2680300 2305040 6.84 396520 4025464 219976 03:41:01 AM 27745880 31112856 4909832 15.04 2688 3660888 1494768 4.43 656656 3700408 132684 Average: 28216955 30785484 4438757 13.59 2688 2874397 1931452 5.73 415749 3515956 191908 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 227.28 185.77 2682.83 47.76 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 444.29 376.66 5661.98 53.23 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 623.99 487.09 7095.31 1368.38 0.00 0.00 0.00 0.00 03:41:01 AM docker0 22.86 34.69 1.23 309.24 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 431.86 349.85 5146.84 489.81 0.00 0.00 0.00 0.00 Average: docker0 7.62 11.56 0.41 103.08 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) 05/08/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 13.38 0.00 1.27 0.76 0.08 84.51 03:39:01 AM 0 17.50 0.00 1.87 0.20 0.10 80.33 03:39:01 AM 1 27.44 0.00 2.39 1.67 0.13 68.36 03:39:01 AM 2 9.00 0.00 1.07 1.42 0.10 88.40 03:39:01 AM 3 15.87 0.00 0.85 0.17 0.08 83.02 03:39:01 AM 4 5.05 0.00 0.70 0.33 0.05 93.86 03:39:01 AM 5 15.09 0.00 1.07 0.87 0.05 82.93 03:39:01 AM 6 6.71 0.00 0.75 0.28 0.07 92.18 03:39:01 AM 7 10.37 0.00 1.45 1.10 0.07 87.01 03:40:01 AM all 27.89 0.00 1.71 1.59 0.11 68.70 03:40:01 AM 0 32.75 0.00 1.43 1.29 0.12 64.41 03:40:01 AM 1 25.69 0.00 1.17 1.12 0.13 71.88 03:40:01 AM 2 23.69 0.00 1.34 1.06 0.10 73.81 03:40:01 AM 3 27.92 0.00 2.76 2.87 0.12 66.33 03:40:01 AM 4 25.18 0.00 1.48 0.52 0.10 72.73 03:40:01 AM 5 39.80 0.00 2.33 3.39 0.13 54.35 03:40:01 AM 6 27.53 0.00 1.46 1.38 0.10 69.53 03:40:01 AM 7 20.55 0.00 1.71 1.11 0.08 76.55 03:41:01 AM all 15.67 0.00 3.12 1.92 0.11 79.18 03:41:01 AM 0 18.03 0.00 3.24 0.66 0.12 77.95 03:41:01 AM 1 10.12 0.00 3.47 3.08 0.10 83.24 03:41:01 AM 2 14.14 0.00 3.33 1.13 0.10 81.30 03:41:01 AM 3 19.16 0.00 2.57 1.36 0.12 76.79 03:41:01 AM 4 9.96 0.00 3.18 3.89 0.12 82.85 03:41:01 AM 5 21.96 0.00 2.94 0.82 0.10 74.18 03:41:01 AM 6 20.36 0.00 3.50 4.04 0.12 71.97 03:41:01 AM 7 11.66 0.00 2.74 0.37 0.10 85.14 Average: all 18.98 0.00 2.03 1.42 0.10 77.47 Average: 0 22.76 0.00 2.18 0.72 0.11 74.23 Average: 1 21.10 0.00 2.34 1.96 0.12 74.47 Average: 2 15.60 0.00 1.91 1.20 0.10 81.18 Average: 3 20.98 0.00 2.06 1.47 0.11 75.39 Average: 4 13.39 0.00 1.79 1.58 0.09 83.16 Average: 5 25.61 0.00 2.11 1.69 0.09 70.49 Average: 6 18.18 0.00 1.90 1.90 0.10 77.93 Average: 7 14.19 0.00 1.97 0.86 0.08 82.90