---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20974 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: 5600.00 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 674 10564 4 4750 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:4f:1f:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe4f:1fae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:1e:17:bb:e6:8c 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-20974) 02/26/26 _x86_64_ (4 CPU) 11:14:00 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:05 3.49 0.07 3.27 0.15 6.95 497.02 28.79 11:40:25 14.95 0.51 13.55 0.88 18.69 3444.82 5129.03 Average: 9.29 0.29 8.48 0.52 12.90 1990.58 2612.93 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:05 10798988 13751720 2211748 13.51 113052 3003912 2432356 13.96 494680 4734728 26196 11:40:25 9076296 12726976 3231800 19.74 135052 3642816 3284948 18.86 709148 6197764 65288 Average: 9937642 13239348 2721774 16.62 124052 3323364 2858652 16.41 601914 5466246 45742 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:05 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 11:30:05 ens3 10.22 7.80 36.02 2.19 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:25 lo 285.65 285.65 271.80 271.80 0.00 0.00 0.00 0.00 11:40:25 ens3 31.18 22.81 394.71 3.37 0.00 0.00 0.00 0.00 11:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 145.03 145.03 137.90 137.90 0.00 0.00 0.00 0.00 Average: ens3 20.84 15.41 217.76 2.79 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-20974) 02/26/26 _x86_64_ (4 CPU) 11:14:00 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:05 all 41.09 0.00 0.64 8.41 0.08 49.78 11:30:05 0 35.52 0.00 0.60 10.67 0.07 53.15 11:30:05 1 43.74 0.00 0.66 11.43 0.08 44.09 11:30:05 2 50.80 0.00 0.68 11.51 0.08 36.93 11:30:05 3 34.29 0.00 0.61 0.04 0.07 64.98 11:40:25 all 47.99 0.00 1.03 4.33 0.11 46.55 11:40:25 0 39.42 0.00 0.91 5.39 0.11 54.17 11:40:25 1 52.24 0.00 1.26 3.51 0.12 42.87 11:40:25 2 40.10 0.00 0.96 6.11 0.11 52.71 11:40:25 3 60.16 0.00 0.97 2.31 0.11 36.46 Average: all 44.58 0.00 0.83 6.35 0.09 48.15 Average: 0 37.49 0.00 0.76 8.00 0.09 53.66 Average: 1 48.03 0.00 0.97 7.43 0.10 43.47 Average: 2 45.39 0.00 0.82 8.78 0.10 44.90 Average: 3 47.39 0.00 0.79 1.19 0.09 50.54