---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62174 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 13G 65G 17% / 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 656 8184 4 7148 14989 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:6a:cc:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84132sec preferred_lft 84132sec inet6 fe80::f816:3eff:fe6a:cc67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:a4:d5:2e:01:a1 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62174) 10/05/26 _x86_64_ (4 CPU) 07:57:01 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:26 28.94 1.00 24.83 3.10 41.98 3900.28 18229.43 08:20:25 32.46 0.02 29.14 3.30 0.43 2760.10 32936.01 08:30:01 8.34 0.02 8.11 0.21 0.43 7529.01 1601.91 Average: 23.51 0.36 20.91 2.24 14.84 4683.67 17794.53 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:26 9234632 12999972 2956580 18.06 143704 3730396 3205776 18.40 703876 6034028 44216 08:20:25 8017588 12859628 3092348 18.89 169304 4731676 3421344 19.64 1009804 6890592 614304 08:30:01 6293016 12870644 3075180 18.78 184520 6394892 3090780 17.74 1665428 7892436 290612 Average: 7848412 12910081 3041369 18.58 165843 4952321 3239300 18.59 1126369 6939019 316377 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:26 lo 1688.79 1688.79 1605.52 1605.52 0.00 0.00 0.00 0.00 08:10:26 ens3 92.85 71.27 487.31 16.71 0.00 0.00 0.00 0.00 08:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:25 lo 1371.07 1371.07 1307.37 1307.37 0.00 0.00 0.00 0.00 08:20:25 ens3 44.88 32.53 31.71 12.82 0.00 0.00 0.00 0.00 08:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 2650.37 2650.37 9660.23 9660.23 0.00 0.00 0.00 0.00 08:30:01 ens3 20.93 17.77 97.76 4.23 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1891.20 1891.20 4087.26 4087.26 0.00 0.00 0.00 0.00 Average: ens3 53.84 41.24 210.91 11.41 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62174) 10/05/26 _x86_64_ (4 CPU) 07:57:01 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:26 all 68.46 0.00 2.84 0.07 0.04 28.59 08:10:26 0 69.80 0.00 2.69 0.04 0.04 27.44 08:10:26 1 68.72 0.00 3.05 0.06 0.04 28.12 08:10:26 2 68.76 0.00 2.77 0.11 0.04 28.32 08:10:26 3 66.56 0.00 2.85 0.07 0.04 30.48 08:20:25 all 62.43 0.00 2.84 0.10 0.04 34.59 08:20:25 0 60.73 0.00 2.69 0.08 0.03 36.47 08:20:25 1 63.33 0.00 2.93 0.12 0.04 33.58 08:20:25 2 63.41 0.00 2.59 0.11 0.04 33.86 08:20:25 3 62.27 0.00 3.14 0.09 0.05 34.46 08:30:01 all 29.45 0.00 1.31 0.11 0.03 69.11 08:30:01 0 25.53 0.00 1.30 0.05 0.02 73.10 08:30:01 1 35.85 0.00 0.93 0.23 0.03 62.96 08:30:01 2 29.44 0.00 1.62 0.05 0.03 68.86 08:30:01 3 26.96 0.00 1.38 0.11 0.02 71.53 Average: all 53.94 0.00 2.35 0.09 0.03 43.59 Average: 0 52.58 0.00 2.24 0.06 0.03 45.09 Average: 1 56.38 0.00 2.33 0.13 0.04 41.11 Average: 2 54.36 0.00 2.34 0.09 0.04 43.17 Average: 3 52.43 0.00 2.48 0.09 0.04 44.97