---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26685 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 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 616 10477 4 4894 15030 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:5d:2e:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fe5d:2ead/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:0f:e1:f8:fb:94 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-26685) 03/24/26 _x86_64_ (4 CPU) 22:34:30 LINUX RESTART (4 CPU) 22:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:05 4.28 0.07 4.03 0.17 7.09 605.02 372.49 23:00:01 29.17 0.53 14.15 14.49 19.51 2040.25 244146.77 Average: 16.68 0.30 9.07 7.30 13.28 1319.91 121795.71 22:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:05 10407868 13519812 2442244 14.92 116076 3156164 2776340 15.94 529820 5097652 7812 23:00:01 8946024 12743176 3214292 19.63 135864 3785160 3344436 19.20 747936 6294912 271024 Average: 9676946 13131494 2828268 17.27 125970 3470662 3060388 17.57 638878 5696282 139418 22:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:05 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 22:50:05 ens3 9.33 7.61 36.11 2.07 0.00 0.00 0.00 0.00 22:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 381.33 381.33 362.95 362.95 0.00 0.00 0.00 0.00 23:00:01 ens3 36.48 25.30 411.21 3.52 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 190.24 190.24 180.97 180.97 0.00 0.00 0.00 0.00 Average: ens3 22.85 16.42 222.94 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26685) 03/24/26 _x86_64_ (4 CPU) 22:34:30 LINUX RESTART (4 CPU) 22:40:05 CPU %user %nice %system %iowait %steal %idle 22:50:05 all 49.54 0.00 0.71 0.01 0.08 49.66 22:50:05 0 44.78 0.00 0.67 0.02 0.07 54.46 22:50:05 1 37.97 0.00 0.69 0.02 0.08 61.24 22:50:05 2 75.80 0.00 0.86 0.01 0.09 23.25 22:50:05 3 39.60 0.00 0.62 0.01 0.07 59.70 23:00:01 all 59.13 0.00 1.20 0.05 0.08 39.54 23:00:01 0 50.69 0.00 1.06 0.06 0.08 48.11 23:00:01 1 72.29 0.00 1.18 0.02 0.09 26.42 23:00:01 2 52.86 0.00 1.25 0.06 0.09 45.74 23:00:01 3 60.72 0.00 1.31 0.06 0.08 37.83 Average: all 54.32 0.00 0.95 0.03 0.08 44.62 Average: 0 47.73 0.00 0.87 0.04 0.08 51.29 Average: 1 55.06 0.00 0.94 0.02 0.08 43.90 Average: 2 64.39 0.00 1.05 0.03 0.09 34.44 Average: 3 50.11 0.00 0.96 0.03 0.08 48.82