---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491153 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 66G 16% / 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 674 8788 4 6525 14972 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:3d:14:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83277sec preferred_lft 83277sec inet6 fe80::f816:3eff:fe3d:1428/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:90:c6:c2:97:0d 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-491153) 03/16/26 _x86_64_ (4 CPU) 10:07:25 LINUX RESTART (4 CPU) 10:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:20 1.52 0.05 1.46 0.01 2.31 18.64 216.57 10:30:26 38.13 2.75 34.80 0.58 142.61 2389.94 1020.43 10:40:24 29.13 2.37 23.84 2.92 145.30 4169.54 4355.83 10:50:16 32.97 0.01 29.58 3.37 0.23 2660.55 16623.59 Average: 25.42 1.30 22.41 1.71 72.93 2305.67 5502.61 10:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:20 13782732 15519416 499820 3.05 54228 1909472 1134940 6.51 192992 2134756 12 10:30:26 12117180 14805452 1163384 7.11 103156 2769236 1685204 9.67 372072 3552648 314588 10:40:24 9129104 12607976 3351144 20.47 134572 3471096 3426936 19.67 671760 6179396 3012 10:50:16 9222644 13166512 2789220 17.04 160600 3875904 3159384 18.13 801728 5928168 34656 Average: 11062915 14024839 1950892 11.92 113139 3006427 2351616 13.50 509638 4448742 88067 10:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:20 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:20:20 ens3 0.56 0.13 0.11 0.04 0.00 0.00 0.00 0.00 10:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:26 lo 0.32 0.32 0.04 0.04 0.00 0.00 0.00 0.00 10:30:26 ens3 78.02 59.23 743.42 10.25 0.00 0.00 0.00 0.00 10:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:24 lo 1454.39 1454.39 1380.20 1380.20 0.00 0.00 0.00 0.00 10:40:24 ens3 78.57 53.94 464.57 11.62 0.00 0.00 0.00 0.00 10:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:16 lo 1561.47 1561.47 1488.05 1488.05 0.00 0.00 0.00 0.00 10:50:16 ens3 26.66 22.93 45.62 6.83 0.00 0.00 0.00 0.00 10:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 748.34 748.34 711.62 711.62 0.00 0.00 0.00 0.00 Average: ens3 46.04 34.12 315.11 7.19 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-491153) 03/16/26 _x86_64_ (4 CPU) 10:07:25 LINUX RESTART (4 CPU) 10:10:18 CPU %user %nice %system %iowait %steal %idle 10:20:20 all 0.16 0.00 0.03 0.01 0.01 99.78 10:20:20 0 0.02 0.00 0.03 0.02 0.01 99.93 10:20:20 1 0.18 0.00 0.04 0.01 0.01 99.75 10:20:20 2 0.42 0.00 0.04 0.00 0.02 99.52 10:20:20 3 0.03 0.00 0.02 0.00 0.01 99.93 10:30:26 all 5.74 0.00 0.44 0.21 0.02 93.58 10:30:26 0 4.37 0.00 0.31 0.04 0.02 95.26 10:30:26 1 4.52 0.00 0.36 0.33 0.02 94.76 10:30:26 2 5.95 0.00 0.48 0.07 0.02 93.47 10:30:26 3 8.11 0.00 0.62 0.41 0.03 90.82 10:40:24 all 68.13 0.00 2.39 0.08 0.11 29.29 10:40:24 0 68.15 0.00 2.34 0.06 0.11 29.35 10:40:24 1 67.44 0.00 2.43 0.09 0.11 29.93 10:40:24 2 68.33 0.00 2.45 0.08 0.11 29.02 10:40:24 3 68.60 0.00 2.33 0.09 0.11 28.86 10:50:16 all 64.54 0.00 2.55 0.06 0.10 32.74 10:50:16 0 63.76 0.00 2.52 0.04 0.10 33.58 10:50:16 1 63.68 0.00 2.60 0.05 0.10 33.57 10:50:16 2 66.90 0.00 2.69 0.08 0.11 30.22 10:50:16 3 63.82 0.00 2.40 0.08 0.10 33.60 Average: all 34.36 0.00 1.34 0.09 0.06 64.14 Average: 0 33.80 0.00 1.29 0.04 0.06 64.81 Average: 1 33.68 0.00 1.35 0.12 0.06 64.79 Average: 2 35.12 0.00 1.41 0.06 0.06 63.35 Average: 3 34.85 0.00 1.34 0.15 0.06 63.61