---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47194 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 12G 67G 15% / 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 630 9565 4 5792 15015 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:49:51:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84120sec preferred_lft 84120sec inet6 fe80::f816:3eff:fe49:5110/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:6a:16:e6:86:26 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-47194) 09/03/26 _x86_64_ (4 CPU) 14:07:26 LINUX RESTART (4 CPU) 14:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:15 15.91 2.56 12.57 0.78 147.99 4335.38 1668.56 14:30:01 31.98 0.04 28.52 3.42 1.43 3000.50 16705.21 14:40:03 17.17 0.03 15.00 2.13 0.43 5336.01 4693.71 Average: 21.60 0.89 18.62 2.10 50.26 4234.79 7615.77 14:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:15 9015860 12684608 3272244 19.99 150144 3611912 3638616 20.89 644460 6297948 51604 14:30:01 8594524 12826972 3126008 19.09 176408 4116248 3373208 19.36 801448 6518712 186588 14:40:03 7953620 13106296 2841384 17.35 195840 4969800 3035820 17.43 903216 7000964 36040 Average: 8521335 12872625 3079879 18.81 174131 4232653 3349215 19.22 783041 6605875 91411 14:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:15 lo 331.24 331.24 315.49 315.49 0.00 0.00 0.00 0.00 14:20:15 ens3 124.73 98.01 834.11 18.08 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 2304.81 2304.81 2198.63 2198.63 0.00 0.00 0.00 0.00 14:30:01 ens3 41.76 33.56 238.13 10.24 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:03 lo 320.56 320.56 304.51 304.51 0.00 0.00 0.00 0.00 14:40:03 ens3 36.51 31.67 107.61 10.96 0.00 0.00 0.00 0.00 14:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 974.52 974.52 929.03 929.03 0.00 0.00 0.00 0.00 Average: ens3 67.83 54.55 394.13 13.11 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-47194) 09/03/26 _x86_64_ (4 CPU) 14:07:26 LINUX RESTART (4 CPU) 14:10:15 CPU %user %nice %system %iowait %steal %idle 14:20:15 all 44.28 0.00 1.71 0.07 0.02 53.93 14:20:15 0 42.59 0.00 1.46 0.08 0.02 55.85 14:20:15 1 46.20 0.00 1.58 0.05 0.02 52.16 14:20:15 2 44.27 0.00 2.00 0.06 0.03 53.64 14:20:15 3 44.04 0.00 1.79 0.07 0.03 54.07 14:30:01 all 55.53 0.00 3.05 0.08 0.03 41.30 14:30:01 0 54.99 0.00 3.24 0.08 0.03 41.66 14:30:01 1 54.40 0.00 3.09 0.14 0.03 42.34 14:30:01 2 56.18 0.00 3.16 0.06 0.03 40.57 14:30:01 3 56.55 0.00 2.71 0.06 0.03 40.65 14:40:03 all 54.76 0.00 2.18 0.07 0.03 42.96 14:40:03 0 53.73 0.00 2.12 0.04 0.03 44.07 14:40:03 1 51.73 0.00 1.94 0.09 0.03 46.21 14:40:03 2 57.12 0.00 2.38 0.02 0.03 40.44 14:40:03 3 56.47 0.00 2.28 0.11 0.03 41.11 Average: all 51.49 0.00 2.31 0.07 0.03 46.10 Average: 0 50.41 0.00 2.27 0.07 0.03 47.23 Average: 1 50.75 0.00 2.19 0.09 0.03 46.94 Average: 2 52.50 0.00 2.51 0.05 0.03 44.91 Average: 3 52.32 0.00 2.26 0.08 0.03 45.31