---> uname -a: Linux prd-centos8-docker-4c-4g-1267.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1030 10811 20 3919 14380 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:1e:c3:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.41/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fe1e:c33b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:1b:4b:4a 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::42:7cff:fe1b:4b4a/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) 10/13/2026 _x86_64_ (4 CPU) 10:46:27 LINUX RESTART (4 CPU) 10:47:01 AM tps rtps wtps bread/s bwrtn/s 10:48:02 AM 269.68 7.83 261.85 1229.79 9282.48 10:49:01 AM 289.55 5.20 284.35 901.36 31949.64 10:50:01 AM 1075.71 60.62 1015.09 920.34 36237.60 10:51:01 AM 145.13 59.17 85.95 1280.45 4628.01 Average: 445.69 33.32 412.37 1083.72 20478.46 10:47:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:48:02 AM 13011124 14996428 3128192 19.38 2688 2194312 1438968 8.37 152936 2591852 308904 10:49:01 AM 9709272 12291180 6430044 39.84 2688 2774112 4456048 25.93 276120 5681124 972 10:50:01 AM 10381216 13942272 5758100 35.68 2688 3553556 1886944 10.98 400284 4455164 80172 10:51:01 AM 11042848 14683532 5096468 31.58 2688 3627840 1265580 7.36 609524 3583844 38200 Average: 11036115 13978353 5103201 31.62 2688 3037455 2261885 13.16 359716 4077996 107062 10:47:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:48:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:02 AM eth0 165.63 97.37 1866.80 31.61 0.00 0.00 0.00 0.00 10:48:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 10:49:01 AM eth0 466.99 323.63 5389.61 43.37 0.00 0.00 0.00 0.00 10:49:01 AM docker0 0.14 0.24 0.01 0.02 0.00 0.00 0.00 0.00 10:49:01 AM vetha486db1 0.10 0.34 0.01 0.03 0.00 0.00 0.00 0.00 10:49:01 AM veth39cfc64 0.03 0.14 0.00 0.01 0.00 0.00 0.00 0.00 10:50:01 AM lo 5.96 5.96 4.56 4.56 0.00 0.00 0.00 0.00 10:50:01 AM eth0 204.36 151.76 1870.79 30.38 0.00 0.00 0.00 0.00 10:50:01 AM docker0 3.12 2.82 4.08 0.43 0.00 0.00 0.00 0.00 10:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 AM eth0 16.06 12.65 46.08 5.67 0.00 0.00 0.00 0.00 10:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 212.23 145.63 2280.69 27.69 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.77 1.02 0.11 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) 10/13/2026 _x86_64_ (4 CPU) 10:46:27 LINUX RESTART (4 CPU) 10:47:01 AM CPU %user %nice %system %iowait %steal %idle 10:48:02 AM all 22.22 0.00 2.27 1.30 0.02 74.19 10:48:02 AM 0 22.23 0.00 2.55 0.70 0.02 74.50 10:48:02 AM 1 16.87 0.00 2.46 3.55 0.02 77.10 10:48:02 AM 2 25.68 0.00 2.07 0.55 0.02 71.68 10:48:02 AM 3 24.09 0.00 1.99 0.42 0.02 73.48 10:49:01 AM all 35.86 0.05 3.51 1.71 0.03 58.84 10:49:01 AM 0 30.03 0.03 3.78 2.22 0.03 63.91 10:49:01 AM 1 42.47 0.00 3.72 1.96 0.02 51.83 10:49:01 AM 2 29.79 0.03 3.50 1.37 0.03 65.27 10:49:01 AM 3 41.14 0.12 3.05 1.31 0.02 54.36 10:50:01 AM all 33.48 0.05 9.58 6.95 0.03 49.91 10:50:01 AM 0 35.67 0.07 9.17 6.37 0.02 48.70 10:50:01 AM 1 24.53 0.03 8.27 7.51 0.03 59.62 10:50:01 AM 2 31.53 0.05 8.91 5.18 0.03 54.29 10:50:01 AM 3 42.21 0.05 11.97 8.75 0.02 37.00 10:51:01 AM all 43.14 0.00 2.02 0.82 0.02 53.99 10:51:01 AM 0 28.86 0.00 1.67 0.69 0.02 68.77 10:51:01 AM 1 36.86 0.00 1.99 0.75 0.02 60.37 10:51:01 AM 2 65.13 0.00 2.39 0.67 0.02 31.79 10:51:01 AM 3 41.74 0.00 2.04 1.17 0.03 55.01 Average: all 33.66 0.02 4.33 2.69 0.02 59.27 Average: 0 29.17 0.03 4.28 2.48 0.02 64.03 Average: 1 30.14 0.01 4.10 3.44 0.02 62.29 Average: 2 38.10 0.02 4.20 1.93 0.03 55.72 Average: 3 37.26 0.04 4.75 2.90 0.02 55.04