---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3172 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 670 10374 4 4944 14975 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e1:4f:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83933sec preferred_lft 83933sec inet6 fe80::f816:3eff:fee1:4fff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:a3:2f:4a:8b:dc 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3172) 09/08/26 _x86_64_ (4 CPU) 14:41:08 LINUX RESTART (4 CPU) 14:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:03 9.43 0.43 8.11 0.89 14.88 1985.81 1514.41 15:10:03 26.95 0.64 22.38 3.93 26.41 4308.15 8369.15 15:20:01 2.16 0.01 2.13 0.02 0.58 45.99 0.37 Average: 12.85 0.36 10.88 1.61 13.97 2115.36 3295.97 14:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:03 9552536 13180748 2776076 16.96 146444 3576912 3026288 17.37 634116 5773816 77592 15:10:03 10694752 15396056 554788 3.39 176588 4549840 1139676 6.54 916312 4258696 216 15:20:01 10690796 15394028 556528 3.40 177240 4551136 1113408 6.39 923288 4242248 836 Average: 10312695 14656944 1295797 7.91 166757 4225963 1759791 10.10 824572 4758253 26215 14:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:03 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 15:00:03 ens3 42.42 35.84 125.22 14.68 0.00 0.00 0.00 0.00 15:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:03 lo 1635.98 1635.98 1558.59 1558.59 0.00 0.00 0.00 0.00 15:10:03 ens3 81.39 67.08 430.95 34.60 0.00 0.00 0.00 0.00 15:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 13.64 13.64 1.41 1.41 0.00 0.00 0.00 0.00 15:20:01 ens3 61.15 61.12 28.26 168.11 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 550.18 550.18 519.96 519.96 0.00 0.00 0.00 0.00 Average: ens3 61.63 54.65 194.90 72.29 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3172) 09/08/26 _x86_64_ (4 CPU) 14:41:08 LINUX RESTART (4 CPU) 14:50:01 CPU %user %nice %system %iowait %steal %idle 15:00:03 all 61.27 0.00 2.06 0.03 0.03 36.60 15:00:03 0 59.37 0.00 2.20 0.05 0.03 38.34 15:00:03 1 62.59 0.00 1.87 0.03 0.03 35.47 15:00:03 2 61.62 0.00 2.18 0.02 0.03 36.16 15:00:03 3 61.49 0.00 2.01 0.03 0.03 36.44 15:10:03 all 49.76 0.00 2.44 0.10 0.03 47.66 15:10:03 0 50.76 0.00 2.50 0.03 0.03 46.68 15:10:03 1 50.52 0.00 2.38 0.07 0.03 47.00 15:10:03 2 48.51 0.00 2.54 0.20 0.03 48.72 15:10:03 3 49.26 0.00 2.36 0.10 0.03 48.26 15:20:01 all 5.37 0.00 0.28 0.01 0.01 94.33 15:20:01 0 5.28 0.00 0.29 0.01 0.01 94.41 15:20:01 1 2.56 0.00 0.26 0.01 0.01 97.16 15:20:01 2 10.66 0.00 0.34 0.03 0.01 88.96 15:20:01 3 2.97 0.00 0.21 0.00 0.01 96.80 Average: all 38.87 0.00 1.60 0.05 0.02 59.46 Average: 0 38.52 0.00 1.66 0.03 0.02 59.76 Average: 1 38.63 0.00 1.51 0.04 0.02 59.81 Average: 2 40.32 0.00 1.69 0.08 0.02 57.88 Average: 3 38.02 0.00 1.53 0.04 0.02 60.38