---> uname -a: Linux prd-centos8-docker-8c-8g-451.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: 2799.998 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: 31890 1050 27167 19 3672 30380 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:79:93:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe79:9364/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:db:9d:06 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::42:4cff:fedb:9d06/64 scope link 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) 03/29/2026 _x86_64_ (8 CPU) 17:11:58 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 492.78 15.56 477.22 3942.54 16298.13 05:15:01 PM 249.70 5.61 244.09 518.23 16100.30 05:16:01 PM 154.14 3.36 150.77 459.24 39668.45 Average: 298.86 8.18 290.68 1639.81 24023.59 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28557548 30693084 4098164 12.55 2688 2446152 1857392 5.51 214896 3394212 186168 05:15:01 PM 26924492 29802300 5731220 17.55 2688 3180196 2700948 8.01 492404 4714504 489632 05:16:01 PM 27857120 31146792 4798592 14.69 2688 3585972 1494160 4.43 828008 3428084 23236 Average: 27779720 30547392 4875992 14.93 2688 3070773 2017500 5.99 511769 3845600 233012 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 414.48 362.57 4049.35 72.52 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 603.45 465.54 9247.00 55.64 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 252.54 266.65 482.55 2371.02 0.00 0.00 0.00 0.00 05:16:01 PM docker0 5.58 12.28 0.45 257.69 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 423.48 364.92 4592.77 833.19 0.00 0.00 0.00 0.00 Average: docker0 1.86 4.09 0.15 85.91 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) 03/29/2026 _x86_64_ (8 CPU) 17:11:58 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.26 0.00 1.51 1.19 0.07 79.96 05:14:01 PM 0 13.87 0.00 2.49 3.15 0.08 80.40 05:14:01 PM 1 21.70 0.00 2.21 1.49 0.07 74.54 05:14:01 PM 2 10.62 0.00 1.36 1.06 0.08 86.88 05:14:01 PM 3 22.84 0.00 1.34 1.04 0.07 74.72 05:14:01 PM 4 12.61 0.00 1.47 1.31 0.08 84.53 05:14:01 PM 5 15.03 0.00 1.50 1.05 0.05 82.36 05:14:01 PM 6 21.75 0.00 0.94 0.28 0.08 76.94 05:14:01 PM 7 19.65 0.00 0.80 0.18 0.07 79.30 05:15:01 PM all 29.39 0.00 1.75 0.66 0.08 68.11 05:15:01 PM 0 25.75 0.00 1.01 0.69 0.08 72.48 05:15:01 PM 1 29.97 0.00 2.13 0.79 0.08 67.02 05:15:01 PM 2 37.29 0.00 2.53 0.91 0.10 59.17 05:15:01 PM 3 33.39 0.00 1.91 1.02 0.07 63.61 05:15:01 PM 4 29.36 0.00 1.78 0.39 0.10 68.38 05:15:01 PM 5 15.86 0.00 1.58 0.65 0.08 81.83 05:15:01 PM 6 41.24 0.00 1.54 0.18 0.07 56.97 05:15:01 PM 7 22.27 0.00 1.53 0.67 0.08 75.45 05:16:01 PM all 11.77 0.00 2.47 0.51 0.06 85.18 05:16:01 PM 0 6.62 0.00 2.11 0.17 0.07 91.04 05:16:01 PM 1 19.97 0.00 2.92 1.17 0.07 75.88 05:16:01 PM 2 11.75 0.00 2.72 0.86 0.05 84.62 05:16:01 PM 3 8.06 0.00 2.60 1.21 0.07 88.07 05:16:01 PM 4 20.22 0.00 2.88 0.39 0.07 76.44 05:16:01 PM 5 8.53 0.00 2.01 0.13 0.05 89.27 05:16:01 PM 6 9.64 0.00 2.43 0.10 0.07 87.76 05:16:01 PM 7 9.38 0.00 2.13 0.08 0.07 88.34 Average: all 19.47 0.00 1.91 0.79 0.07 77.75 Average: 0 15.41 0.00 1.87 1.33 0.08 81.31 Average: 1 23.88 0.00 2.42 1.15 0.07 72.48 Average: 2 19.88 0.00 2.20 0.94 0.08 76.90 Average: 3 21.43 0.00 1.95 1.09 0.07 75.47 Average: 4 20.72 0.00 2.04 0.69 0.08 76.46 Average: 5 13.14 0.00 1.70 0.61 0.06 84.49 Average: 6 24.20 0.00 1.64 0.19 0.07 73.90 Average: 7 17.10 0.00 1.49 0.31 0.07 81.03