---> uname -a: Linux prd-centos8-docker-8c-8g-5396.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): 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: 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): 0-7 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: 31888 1067 26983 19 3837 30355 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:ce:b3:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.145/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fece:b37a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c2:8f:62:51 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:c2ff:fe8f:6251/64 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) 08/10/2026 _x86_64_ (8 CPU) 03:37:55 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 259.66 14.45 245.21 3118.15 16311.28 03:41:01 AM 416.68 7.13 409.55 1272.91 13232.16 03:42:01 AM 206.26 2.50 203.77 608.20 43126.41 Average: 294.20 8.03 286.18 1666.34 24223.72 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28656352 30779224 3997020 12.24 2688 2433600 1820140 5.40 202172 3303332 147640 03:41:01 AM 27382764 29945280 5270608 16.14 2688 2865140 2425672 7.20 402076 4341552 246220 03:42:01 AM 27689672 31140328 4963700 15.20 2688 3740976 1518176 4.50 654592 3741488 149404 Average: 27909596 30621611 4743776 14.53 2688 3013239 1921329 5.70 419613 3795457 181088 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 323.38 280.19 3200.10 60.62 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 477.37 400.92 6218.44 51.39 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 474.43 435.55 5355.08 2349.20 0.00 0.00 0.00 0.00 03:42:01 AM docker0 11.38 16.24 0.66 308.27 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 425.07 372.22 4924.64 820.44 0.00 0.00 0.00 0.00 Average: docker0 3.79 5.42 0.22 102.76 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) 08/10/2026 _x86_64_ (8 CPU) 03:37:55 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 15.74 0.00 1.32 0.69 0.07 82.18 03:40:01 AM 0 13.37 0.00 1.40 0.90 0.08 84.24 03:40:01 AM 1 23.17 0.00 2.02 0.50 0.08 74.22 03:40:01 AM 2 13.18 0.00 1.06 0.70 0.08 84.97 03:40:01 AM 3 12.98 0.00 1.05 0.37 0.07 85.54 03:40:01 AM 4 7.97 0.00 1.04 0.52 0.05 90.42 03:40:01 AM 5 20.23 0.00 1.60 1.10 0.05 77.02 03:40:01 AM 6 20.93 0.00 1.35 0.79 0.07 76.86 03:40:01 AM 7 14.09 0.00 1.04 0.64 0.07 84.17 03:41:01 AM all 25.31 0.00 1.59 0.88 0.09 72.14 03:41:01 AM 0 33.14 0.00 0.85 0.10 0.08 65.82 03:41:01 AM 1 22.93 0.00 1.47 0.57 0.08 74.95 03:41:01 AM 2 17.68 0.00 1.37 0.40 0.08 80.46 03:41:01 AM 3 29.75 0.00 2.24 2.31 0.08 65.61 03:41:01 AM 4 29.63 0.00 1.56 0.90 0.10 67.82 03:41:01 AM 5 16.91 0.00 1.24 0.79 0.10 80.97 03:41:01 AM 6 15.87 0.00 1.49 0.45 0.08 82.11 03:41:01 AM 7 36.51 0.00 2.48 1.51 0.08 59.42 03:42:01 AM all 15.82 0.00 2.64 0.75 0.08 80.72 03:42:01 AM 0 19.75 0.00 1.76 0.35 0.07 78.07 03:42:01 AM 1 15.65 0.00 3.05 0.86 0.08 80.36 03:42:01 AM 2 10.13 0.00 2.39 0.64 0.08 86.76 03:42:01 AM 3 11.68 0.00 3.31 1.13 0.08 83.80 03:42:01 AM 4 26.40 0.00 3.62 1.66 0.08 68.23 03:42:01 AM 5 7.43 0.00 2.02 0.24 0.08 90.24 03:42:01 AM 6 17.18 0.00 2.55 0.77 0.07 79.43 03:42:01 AM 7 18.30 0.00 2.40 0.34 0.07 78.90 Average: all 18.96 0.00 1.85 0.77 0.08 78.35 Average: 0 22.09 0.00 1.34 0.45 0.08 76.04 Average: 1 20.59 0.00 2.18 0.64 0.08 76.51 Average: 2 13.67 0.00 1.60 0.58 0.08 84.06 Average: 3 18.14 0.00 2.20 1.27 0.08 78.31 Average: 4 21.32 0.00 2.07 1.03 0.08 75.50 Average: 5 14.87 0.00 1.62 0.71 0.08 82.73 Average: 6 18.00 0.00 1.80 0.67 0.07 79.46 Average: 7 22.96 0.00 1.97 0.83 0.07 74.17