---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4239 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 666 9566 4 5756 14980 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:a3:49:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fea3:49ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:a4:70:23:2c:4d 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4239) 04/18/26 _x86_64_ (4 CPU) 10:27:10 LINUX RESTART (4 CPU) 10:30:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:00 34.08 0.55 16.02 17.51 435.59 1383.99 331041.59 10:50:00 24.86 12.04 11.73 1.09 136.77 4736.29 21847.56 Average: 29.31 6.49 13.80 9.02 281.03 3117.94 171113.64 10:30:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:00 9644576 13065016 2894592 17.68 125696 3431428 3076640 17.66 776960 5579676 348 10:50:00 7487728 12552124 3398268 20.76 155532 4955884 3583168 20.57 1550572 6855836 189804 Average: 8566152 12808570 3146430 19.22 140614 4193656 3329904 19.11 1163766 6217756 95076 10:30:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:00 lo 31.37 31.37 7.22 7.22 0.00 0.00 0.00 0.00 10:40:00 ens3 23.59 16.64 152.87 14.65 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 425.83 425.83 390.40 390.40 0.00 0.00 0.00 0.00 10:50:00 ens3 61.49 63.42 341.28 659.96 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 235.40 235.40 205.42 205.42 0.00 0.00 0.00 0.00 Average: ens3 43.20 40.84 250.32 348.43 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4239) 04/18/26 _x86_64_ (4 CPU) 10:27:10 LINUX RESTART (4 CPU) 10:30:40 CPU %user %nice %system %iowait %steal %idle 10:40:00 all 28.29 0.00 1.06 0.14 0.09 70.42 10:40:00 0 27.82 0.00 1.04 0.21 0.08 70.84 10:40:00 1 29.41 0.00 1.03 0.15 0.08 69.33 10:40:00 2 28.11 0.00 1.01 0.10 0.09 70.69 10:40:00 3 27.84 0.00 1.16 0.11 0.09 70.81 10:50:00 all 26.78 0.08 1.24 0.11 0.08 71.70 10:50:00 0 27.19 0.00 1.17 0.04 0.09 71.52 10:50:00 1 26.58 0.00 1.08 0.04 0.08 72.22 10:50:00 2 28.04 0.11 1.24 0.16 0.08 70.37 10:50:00 3 25.33 0.19 1.49 0.21 0.09 72.70 Average: all 27.51 0.04 1.16 0.13 0.09 71.08 Average: 0 27.49 0.00 1.11 0.12 0.08 71.19 Average: 1 27.95 0.00 1.06 0.10 0.08 70.82 Average: 2 28.07 0.06 1.13 0.13 0.09 70.52 Average: 3 26.54 0.10 1.33 0.16 0.09 71.79