---> uname -a: Linux prd-centos8-docker-8c-8g-3893.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: 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: 31888 1071 26984 19 3832 30350 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:60:ce:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.177/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe60:cebb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:81:cc:17 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:acff:fe81:cc17/64 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) 08/04/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 181.55 14.60 166.96 3119.35 10764.87 03:40:01 AM 504.51 5.58 498.93 1232.32 18406.25 03:41:01 AM 273.05 2.93 270.11 447.78 46191.49 Average: 319.72 7.70 312.02 1599.64 25122.46 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28815732 30841380 3837632 11.75 2688 2340744 1808836 5.37 164480 3203304 262488 03:40:01 AM 27827800 30270196 4825564 14.78 2688 2747880 2123732 6.30 273080 4039184 221484 03:41:01 AM 25967120 29402432 6686244 20.48 2688 3726624 2926584 8.68 646720 5468776 125996 Average: 27536884 30171336 5116480 15.67 2688 2938416 2286384 6.78 361427 4237088 203323 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 217.75 167.42 2608.58 44.35 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 448.26 383.34 5795.21 54.66 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 576.38 477.28 7134.37 1367.62 0.00 0.00 0.00 0.00 03:41:01 AM docker0 8.76 13.61 0.52 308.00 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 414.15 342.70 5179.67 488.92 0.00 0.00 0.00 0.00 Average: docker0 2.92 4.54 0.17 102.68 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) 08/04/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.73 0.00 1.19 0.48 0.05 86.54 03:39:01 AM 0 7.01 0.00 0.78 0.23 0.08 91.89 03:39:01 AM 1 10.08 0.00 1.02 0.50 0.07 88.33 03:39:01 AM 2 5.15 0.00 1.00 0.84 0.05 92.96 03:39:01 AM 3 12.12 0.00 1.50 0.57 0.05 85.76 03:39:01 AM 4 15.01 0.00 1.24 0.27 0.03 83.46 03:39:01 AM 5 2.96 0.00 0.48 0.62 0.05 95.89 03:39:01 AM 6 8.83 0.00 0.90 0.45 0.03 89.79 03:39:01 AM 7 32.73 0.00 2.56 0.38 0.07 64.26 03:40:01 AM all 28.63 0.00 1.74 1.29 0.10 68.24 03:40:01 AM 0 29.80 0.00 1.39 0.85 0.10 67.86 03:40:01 AM 1 31.22 0.00 1.98 3.05 0.10 63.65 03:40:01 AM 2 37.95 0.00 1.93 1.27 0.10 58.75 03:40:01 AM 3 19.68 0.00 1.71 1.41 0.10 77.10 03:40:01 AM 4 26.70 0.00 2.20 1.21 0.10 69.79 03:40:01 AM 5 34.16 0.00 1.89 0.70 0.08 63.16 03:40:01 AM 6 28.50 0.00 1.27 0.87 0.08 69.27 03:40:01 AM 7 20.98 0.00 1.59 0.99 0.10 76.35 03:41:01 AM all 18.30 0.00 3.07 0.94 0.07 77.61 03:41:01 AM 0 16.24 0.00 2.63 0.24 0.07 80.83 03:41:01 AM 1 14.98 0.00 2.91 1.63 0.07 80.41 03:41:01 AM 2 16.76 0.00 3.74 1.20 0.08 78.22 03:41:01 AM 3 12.02 0.00 3.27 1.01 0.07 83.63 03:41:01 AM 4 19.58 0.00 2.61 1.14 0.08 76.59 03:41:01 AM 5 19.61 0.00 3.34 0.86 0.07 76.13 03:41:01 AM 6 24.40 0.00 2.98 0.71 0.08 71.83 03:41:01 AM 7 22.84 0.00 3.08 0.74 0.07 73.28 Average: all 19.55 0.00 2.00 0.91 0.07 77.47 Average: 0 17.68 0.00 1.60 0.44 0.08 80.20 Average: 1 18.76 0.00 1.97 1.73 0.08 77.47 Average: 2 19.95 0.00 2.22 1.10 0.08 76.65 Average: 3 14.61 0.00 2.16 1.00 0.07 82.16 Average: 4 20.42 0.00 2.01 0.87 0.07 76.62 Average: 5 18.90 0.00 1.90 0.73 0.07 78.41 Average: 6 20.55 0.00 1.71 0.68 0.07 76.99 Average: 7 25.52 0.00 2.41 0.70 0.08 71.29