---> uname -a: Linux prd-centos8-docker-8c-8g-8014.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: 2799.996 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): 0-7 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 1003 28205 19 2681 30440 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:3c:ef:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.55/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86227sec preferred_lft 86227sec inet6 fe80::f816:3eff:fe3c:ef3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:b1:b5:cb 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) 05/04/2026 _x86_64_ (8 CPU) 05:37:53 LINUX RESTART (8 CPU) 05:38:03 AM tps rtps wtps bread/s bwrtn/s 05:39:01 AM 468.10 203.43 264.67 15766.19 45450.28 05:40:00 AM 292.97 19.31 273.65 4252.59 16904.80 05:40:01 AM 3.85 3.85 0.00 6326.15 0.00 Average: 375.87 109.65 266.23 9935.18 30750.78 05:38:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:39:01 AM 29587060 31254248 3068652 9.40 2688 1991644 1389524 4.12 147624 2495500 183416 05:40:00 AM 27567164 29833704 5088548 15.58 2688 2577808 2606596 7.73 242320 4353576 237400 05:40:01 AM 27536948 29807980 5118764 15.67 2688 2582276 2608336 7.74 247092 4378324 237772 Average: 28230391 30298644 4425321 13.55 2688 2383909 2201485 6.53 212345 3742467 219529 05:38:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 479.30 311.10 2079.84 82.07 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 05:40:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:00 AM eth0 441.20 347.21 5949.17 50.20 0.00 0.00 0.00 0.00 05:40:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM eth0 127.69 51.54 35.42 7.32 0.00 0.00 0.00 0.00 05:40:01 AM docker0 0.00 0.00 0.00 0.00 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 456.48 326.20 3981.99 65.39 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) 05/04/2026 _x86_64_ (8 CPU) 05:37:53 LINUX RESTART (8 CPU) 05:38:03 AM CPU %user %nice %system %iowait %steal %idle 05:39:01 AM all 15.00 0.01 3.58 1.40 0.07 79.94 05:39:01 AM 0 16.68 0.00 2.96 1.45 0.07 78.84 05:39:01 AM 1 15.52 0.00 2.50 0.82 0.09 81.08 05:39:01 AM 2 22.42 0.00 4.73 0.97 0.07 71.81 05:39:01 AM 3 24.71 0.00 4.39 3.05 0.07 67.78 05:39:01 AM 4 9.00 0.09 4.70 2.96 0.03 83.22 05:39:01 AM 5 6.74 0.00 3.35 0.55 0.07 89.29 05:39:01 AM 6 12.40 0.00 2.53 0.48 0.07 84.52 05:39:01 AM 7 12.56 0.00 3.47 0.94 0.07 82.96 05:40:00 AM all 29.17 0.00 1.54 0.90 0.08 68.31 05:40:00 AM 0 32.05 0.00 1.71 0.56 0.09 65.59 05:40:00 AM 1 28.18 0.00 1.92 1.73 0.10 68.08 05:40:00 AM 2 28.55 0.00 0.99 0.91 0.09 69.47 05:40:00 AM 3 34.52 0.00 1.14 0.72 0.09 63.53 05:40:00 AM 4 20.08 0.00 1.69 1.27 0.07 76.90 05:40:00 AM 5 19.91 0.00 1.06 0.99 0.07 77.97 05:40:00 AM 6 37.06 0.00 2.60 0.87 0.09 59.38 05:40:00 AM 7 33.00 0.00 1.21 0.14 0.09 65.57 05:40:01 AM all 45.83 0.00 1.36 0.10 0.00 52.71 05:40:01 AM 0 33.59 0.00 0.78 0.00 0.00 65.62 05:40:01 AM 1 70.54 0.00 0.78 0.00 0.00 28.68 05:40:01 AM 2 29.23 0.00 1.54 0.00 0.00 69.23 05:40:01 AM 3 26.15 0.00 1.54 0.77 0.00 71.54 05:40:01 AM 4 27.34 0.00 0.00 0.00 0.00 72.66 05:40:01 AM 5 56.25 0.00 0.78 0.00 0.00 42.97 05:40:01 AM 6 81.40 0.00 2.33 0.00 0.00 16.28 05:40:01 AM 7 42.31 0.00 3.08 0.00 0.00 54.62 Average: all 22.40 0.01 2.54 1.14 0.07 73.85 Average: 0 24.52 0.00 2.31 0.99 0.08 72.09 Average: 1 22.43 0.00 2.19 1.26 0.09 74.03 Average: 2 25.55 0.00 2.83 0.93 0.08 70.61 Average: 3 29.62 0.00 2.74 1.86 0.08 65.70 Average: 4 14.71 0.04 3.15 2.09 0.05 79.96 Average: 5 13.84 0.00 2.18 0.77 0.07 83.15 Average: 6 25.43 0.00 2.56 0.67 0.08 71.26 Average: 7 23.07 0.00 2.34 0.53 0.08 73.98