---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24113 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 634 10612 4 4741 15011 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:c6:77:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84870sec preferred_lft 84870sec inet6 fe80::f816:3eff:fec6:77f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:68:e2:23:5f:62 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24113) 02/28/26 _x86_64_ (4 CPU) 08:26:22 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 4.30 0.14 4.00 0.17 10.59 641.12 31.55 08:50:27 19.38 0.51 17.39 1.48 18.69 2400.49 13695.71 Average: 12.00 0.33 10.84 0.84 14.72 1539.47 7008.57 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 8511984 11436872 4526584 27.65 112228 2979940 4685812 26.90 494920 7028268 1880 08:50:27 10219724 13614000 2345320 14.32 134896 3395988 2526060 14.50 679776 5086804 20276 Average: 9365854 12525436 3435952 20.99 123562 3187964 3605936 20.70 587348 6057536 11078 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:40:01 ens3 13.34 10.67 77.39 2.49 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:27 lo 466.50 466.50 444.09 444.09 0.00 0.00 0.00 0.00 08:50:27 ens3 36.86 27.09 392.31 3.85 0.00 0.00 0.00 0.00 08:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 238.50 238.50 226.94 226.94 0.00 0.00 0.00 0.00 Average: ens3 25.35 19.05 238.19 3.19 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24113) 02/28/26 _x86_64_ (4 CPU) 08:26:22 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 46.68 0.00 0.66 0.04 0.08 52.55 08:40:01 0 61.07 0.00 0.65 0.04 0.08 38.16 08:40:01 1 42.67 0.00 0.73 0.03 0.08 56.49 08:40:01 2 36.03 0.00 0.63 0.05 0.08 63.21 08:40:01 3 46.92 0.00 0.61 0.05 0.08 52.35 08:50:27 all 54.74 0.00 1.32 0.12 0.08 43.74 08:50:27 0 44.82 0.00 1.31 0.07 0.09 53.72 08:50:27 1 79.21 0.00 1.36 0.12 0.09 19.22 08:50:27 2 49.32 0.00 1.52 0.13 0.08 48.95 08:50:27 3 45.62 0.00 1.10 0.17 0.08 53.03 Average: all 50.79 0.00 0.99 0.08 0.08 48.05 Average: 0 52.78 0.00 0.98 0.06 0.09 46.09 Average: 1 61.31 0.00 1.05 0.07 0.08 37.48 Average: 2 42.82 0.00 1.09 0.09 0.08 55.92 Average: 3 46.26 0.00 0.86 0.11 0.08 52.69