---> uname -a: Linux prd-centos8-docker-8c-8g-9148.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: 2799.934 BogoMIPS: 5599.86 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 1046 27000 19 3840 30376 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:6a:28:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.212/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe6a:280e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:3f:17:90 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::42:7dff:fe3f:1790/64 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) 07/12/2026 _x86_64_ (8 CPU) 03:38:00 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 240.86 14.58 226.28 3222.93 16521.10 03:41:01 AM 472.56 6.41 466.14 1207.86 13755.08 03:42:01 AM 191.75 2.43 189.32 495.30 42683.36 Average: 301.73 7.81 293.92 1641.94 24320.28 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28744960 30860492 3908412 11.97 2688 2427424 1805120 5.36 201068 3219048 132880 03:41:01 AM 27422548 30012160 5230824 16.02 2688 2891840 2360788 7.00 406976 4296312 265112 03:42:01 AM 27713960 31169048 4939412 15.13 2688 3745248 1489320 4.42 829124 3543776 150588 Average: 27960489 30680567 4692883 14.37 2688 3021504 1885076 5.59 479056 3686379 182860 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 306.35 260.09 3113.83 47.20 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 523.24 421.46 6762.68 56.45 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 476.56 410.15 5058.70 2348.69 0.00 0.00 0.00 0.00 03:42:01 AM docker0 14.53 21.11 0.83 308.82 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 435.39 363.90 4978.51 817.49 0.00 0.00 0.00 0.00 Average: docker0 4.84 7.04 0.28 102.95 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) 07/12/2026 _x86_64_ (8 CPU) 03:38:00 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 14.09 0.00 1.26 0.62 0.06 83.98 03:40:01 AM 0 14.92 0.00 0.57 0.22 0.07 84.23 03:40:01 AM 1 12.86 0.00 1.24 0.65 0.07 85.19 03:40:01 AM 2 19.07 0.00 1.75 0.48 0.07 78.62 03:40:01 AM 3 17.49 0.00 1.22 0.55 0.07 80.67 03:40:01 AM 4 11.58 0.00 0.67 0.40 0.03 87.32 03:40:01 AM 5 11.09 0.00 1.34 0.75 0.07 86.75 03:40:01 AM 6 9.59 0.00 1.17 0.40 0.07 88.78 03:40:01 AM 7 16.10 0.00 2.11 1.47 0.07 80.25 03:41:01 AM all 27.20 0.00 1.70 0.96 0.09 70.04 03:41:01 AM 0 30.51 0.00 1.57 0.65 0.10 67.16 03:41:01 AM 1 37.82 0.00 2.06 0.62 0.10 59.40 03:41:01 AM 2 32.56 0.00 1.05 0.42 0.08 65.88 03:41:01 AM 3 31.24 0.00 2.18 2.95 0.10 63.53 03:41:01 AM 4 27.16 0.00 1.93 0.79 0.10 70.03 03:41:01 AM 5 15.63 0.00 1.71 0.92 0.08 81.65 03:41:01 AM 6 22.93 0.00 1.56 0.65 0.08 74.76 03:41:01 AM 7 19.71 0.00 1.58 0.70 0.10 77.91 03:42:01 AM all 15.74 0.00 2.64 0.69 0.07 80.86 03:42:01 AM 0 10.75 0.00 2.35 0.84 0.07 86.00 03:42:01 AM 1 20.84 0.00 3.16 1.06 0.07 74.88 03:42:01 AM 2 26.65 0.00 3.26 1.01 0.10 68.99 03:42:01 AM 3 9.53 0.00 2.34 1.36 0.07 86.71 03:42:01 AM 4 19.99 0.00 2.32 0.12 0.07 77.51 03:42:01 AM 5 10.62 0.00 2.44 0.61 0.08 86.25 03:42:01 AM 6 11.95 0.00 2.42 0.17 0.07 85.40 03:42:01 AM 7 15.63 0.00 2.83 0.35 0.05 81.13 Average: all 19.01 0.00 1.87 0.76 0.08 78.29 Average: 0 18.72 0.00 1.50 0.57 0.08 79.13 Average: 1 23.84 0.00 2.15 0.78 0.08 73.15 Average: 2 26.09 0.00 2.02 0.64 0.08 71.17 Average: 3 19.42 0.00 1.91 1.62 0.08 76.97 Average: 4 19.57 0.00 1.64 0.44 0.07 78.29 Average: 5 12.45 0.00 1.83 0.76 0.08 84.89 Average: 6 14.82 0.00 1.72 0.41 0.07 82.99 Average: 7 17.15 0.00 2.17 0.84 0.07 79.76