---> uname -a: Linux prd-centos8-docker-8c-8g-7572.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 995 27964 19 2931 30446 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:06:cd:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.130/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe06:cd76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:f3:80:84 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/02/2026 _x86_64_ (8 CPU) 05:35:19 LINUX RESTART (8 CPU) 05:36:01 AM tps rtps wtps bread/s bwrtn/s 05:37:01 AM 203.33 2.88 200.45 855.58 15269.79 05:38:01 AM 103.05 6.48 96.57 2140.98 7413.76 05:39:01 AM 256.94 14.35 242.59 3338.24 14289.64 Average: 187.77 7.90 179.87 2111.53 12324.56 05:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:37:01 AM 28351992 30251496 4303720 13.18 2688 2215392 2268332 6.73 195668 3630436 78400 05:38:01 AM 29039528 31153592 3616184 11.07 2688 2425016 1992804 5.91 223984 2906056 40412 05:39:01 AM 28633796 31172324 4021916 12.32 2688 2846888 1466732 4.35 494836 3034620 26560 Average: 28675105 30859137 3980607 12.19 2688 2495765 1909289 5.66 304829 3190371 48457 05:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:37:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:37:01 AM eth0 217.93 172.48 2532.12 44.44 0.00 0.00 0.00 0.00 05:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 AM eth0 177.70 149.64 1569.62 35.95 0.00 0.00 0.00 0.00 05:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM eth0 295.48 228.55 5042.70 96.76 0.00 0.00 0.00 0.00 05:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 230.37 183.55 3048.12 59.05 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/02/2026 _x86_64_ (8 CPU) 05:35:19 LINUX RESTART (8 CPU) 05:36:01 AM CPU %user %nice %system %iowait %steal %idle 05:37:01 AM all 26.77 0.00 1.35 0.62 0.07 71.19 05:37:01 AM 0 25.54 0.00 0.85 0.65 0.08 72.87 05:37:01 AM 1 30.97 0.00 2.24 0.70 0.08 66.00 05:37:01 AM 2 25.66 0.00 1.04 0.53 0.08 72.68 05:37:01 AM 3 35.20 0.00 2.12 0.92 0.07 61.70 05:37:01 AM 4 32.35 0.00 1.84 0.50 0.07 65.24 05:37:01 AM 5 23.12 0.00 0.64 0.17 0.07 76.01 05:37:01 AM 6 27.98 0.00 1.02 0.50 0.07 70.43 05:37:01 AM 7 13.35 0.00 1.08 0.95 0.05 84.56 05:38:01 AM all 45.91 0.00 1.51 0.24 0.09 52.25 05:38:01 AM 0 37.55 0.00 1.62 0.07 0.08 60.67 05:38:01 AM 1 52.30 0.00 1.27 0.25 0.08 46.10 05:38:01 AM 2 45.03 0.00 1.55 0.17 0.10 53.15 05:38:01 AM 3 45.47 0.00 2.00 0.63 0.08 51.81 05:38:01 AM 4 50.53 0.00 1.54 0.20 0.08 47.65 05:38:01 AM 5 47.78 0.00 1.60 0.17 0.08 50.37 05:38:01 AM 6 48.89 0.00 1.49 0.37 0.07 49.19 05:38:01 AM 7 39.76 0.00 1.04 0.05 0.10 59.05 05:39:01 AM all 29.08 0.00 1.13 0.54 0.07 69.18 05:39:01 AM 0 22.69 0.00 1.29 0.03 0.08 75.90 05:39:01 AM 1 22.67 0.00 1.62 0.54 0.07 75.11 05:39:01 AM 2 39.77 0.00 1.82 0.03 0.07 58.31 05:39:01 AM 3 36.74 0.00 0.63 0.65 0.07 61.91 05:39:01 AM 4 47.38 0.00 0.52 0.07 0.07 51.97 05:39:01 AM 5 33.58 0.00 1.59 2.68 0.07 62.08 05:39:01 AM 6 17.65 0.00 0.77 0.12 0.08 81.38 05:39:01 AM 7 12.16 0.00 0.77 0.23 0.05 86.79 Average: all 33.92 0.00 1.33 0.47 0.08 64.21 Average: 0 28.60 0.00 1.25 0.25 0.08 69.82 Average: 1 35.32 0.00 1.71 0.50 0.08 62.40 Average: 2 36.82 0.00 1.47 0.25 0.08 61.38 Average: 3 39.13 0.00 1.59 0.73 0.07 58.47 Average: 4 43.42 0.00 1.30 0.26 0.07 54.96 Average: 5 34.83 0.00 1.28 1.00 0.07 62.81 Average: 6 31.50 0.00 1.09 0.33 0.07 67.00 Average: 7 21.75 0.00 0.96 0.41 0.07 76.81