---> uname -a: Linux prd-centos8-docker-8c-8g-13571.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 1052 26994 19 3840 30370 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:a1:c0:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.54/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fea1:c067/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:13:a4:98 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:d4ff:fe13:a498/64 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) 08/19/2026 _x86_64_ (8 CPU) 03:38:04 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 238.84 14.58 224.26 3222.39 16675.17 03:41:01 AM 439.00 6.41 432.59 1207.86 13004.98 03:42:01 AM 208.81 2.42 206.40 492.37 43801.98 Average: 295.55 7.80 287.75 1640.88 24494.05 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28952432 31025128 3700940 11.33 2688 2385232 1831100 5.43 195824 3019984 102688 03:41:01 AM 27435372 30003460 5218000 15.98 2688 2870876 2355708 6.99 401712 4288732 270332 03:42:01 AM 27711832 31166436 4941540 15.13 2688 3744884 1481084 4.39 653212 3721308 149404 Average: 28033212 30731675 4620160 14.15 2688 3000331 1889297 5.61 416916 3676675 174141 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 249.73 216.04 2420.01 51.48 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 586.87 482.51 7126.10 61.49 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 499.03 435.35 5368.82 2349.86 0.00 0.00 0.00 0.00 03:42:01 AM docker0 10.61 16.06 0.61 308.32 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 445.21 377.97 4971.64 820.94 0.00 0.00 0.00 0.00 Average: docker0 3.54 5.35 0.20 102.77 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) 08/19/2026 _x86_64_ (8 CPU) 03:38:04 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 14.13 0.00 1.26 0.77 0.06 83.78 03:40:01 AM 0 11.92 0.00 1.14 1.14 0.07 85.74 03:40:01 AM 1 10.10 0.00 1.00 1.07 0.07 87.76 03:40:01 AM 2 9.60 0.00 1.00 0.94 0.08 88.37 03:40:01 AM 3 10.39 0.00 1.24 0.64 0.07 87.67 03:40:01 AM 4 7.06 0.00 1.32 1.35 0.05 90.22 03:40:01 AM 5 15.69 0.00 1.57 0.63 0.05 82.06 03:40:01 AM 6 16.40 0.00 0.92 0.28 0.05 82.35 03:40:01 AM 7 31.86 0.00 1.90 0.08 0.07 66.08 03:41:01 AM all 27.24 0.00 1.74 1.07 0.09 69.86 03:41:01 AM 0 33.37 0.00 2.43 0.99 0.10 63.11 03:41:01 AM 1 19.31 0.00 1.53 0.90 0.08 78.18 03:41:01 AM 2 23.95 0.00 1.98 2.21 0.10 71.77 03:41:01 AM 3 36.05 0.00 1.37 0.82 0.08 61.68 03:41:01 AM 4 23.00 0.00 1.71 0.92 0.12 74.25 03:41:01 AM 5 36.74 0.00 1.49 0.84 0.08 60.85 03:41:01 AM 6 27.42 0.00 1.98 0.84 0.10 69.66 03:41:01 AM 7 18.09 0.00 1.41 1.04 0.08 79.38 03:42:01 AM all 17.09 0.00 2.87 0.82 0.07 79.14 03:42:01 AM 0 20.74 0.00 2.08 0.44 0.07 76.67 03:42:01 AM 1 10.76 0.00 2.62 0.92 0.07 85.63 03:42:01 AM 2 16.83 0.00 2.78 1.47 0.08 78.84 03:42:01 AM 3 26.29 0.00 4.39 0.77 0.08 68.47 03:42:01 AM 4 15.25 0.00 2.87 1.21 0.07 80.60 03:42:01 AM 5 18.87 0.00 3.25 0.32 0.07 77.49 03:42:01 AM 6 13.53 0.00 2.12 0.77 0.07 83.52 03:42:01 AM 7 14.48 0.00 2.86 0.67 0.08 81.91 Average: all 19.49 0.00 1.96 0.89 0.08 77.60 Average: 0 22.00 0.00 1.88 0.85 0.08 75.19 Average: 1 13.39 0.00 1.71 0.97 0.07 83.86 Average: 2 16.79 0.00 1.92 1.54 0.09 79.66 Average: 3 24.23 0.00 2.33 0.74 0.08 72.61 Average: 4 15.10 0.00 1.97 1.16 0.08 81.70 Average: 5 23.76 0.00 2.10 0.60 0.07 73.47 Average: 6 19.12 0.00 1.67 0.63 0.07 78.51 Average: 7 21.50 0.00 2.06 0.60 0.08 75.77