---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-286533 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 744 9294 4 5950 14902 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:04:e9:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84111sec preferred_lft 84111sec inet6 fe80::f816:3eff:fe04:e920/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:7f:26:e0:09:7f 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-286533) 03/08/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 21.91 0.80 19.71 1.41 25.26 4529.50 2757.07 20:50:03 60.18 0.00 47.27 12.91 0.00 3169.26 30939.26 21:00:04 29.51 0.23 24.48 4.79 10.85 4710.26 9412.58 Average: 37.16 0.34 30.46 6.36 12.06 4137.66 14341.77 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9005404 13344008 2608112 15.93 185120 4209256 2928468 16.81 877472 6033716 252792 20:50:03 8507268 13167944 2779936 16.98 210172 4474904 3299548 18.94 967040 6410392 102768 21:00:04 9643892 15369148 573908 3.51 240532 5451900 1104160 6.34 1344532 4810820 276 Average: 9052188 13960367 1987319 12.14 211941 4712020 2444059 14.03 1063015 5751643 118612 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 225.79 225.79 214.22 214.22 0.00 0.00 0.00 0.00 20:40:04 ens3 87.58 69.17 312.59 20.56 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5660.98 5660.98 5398.72 5398.72 0.00 0.00 0.00 0.00 20:50:03 ens3 75.40 57.83 26.15 19.71 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 2154.42 2154.42 2037.64 2037.64 0.00 0.00 0.00 0.00 21:00:04 ens3 120.13 113.13 119.67 176.60 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2674.99 2674.99 2545.04 2545.04 0.00 0.00 0.00 0.00 Average: ens3 94.38 80.05 153.09 72.28 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-286533) 03/08/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 69.58 0.00 2.49 0.03 0.10 27.79 20:40:04 0 70.62 0.00 2.35 0.02 0.10 26.90 20:40:04 1 68.50 0.00 2.41 0.04 0.10 28.95 20:40:04 2 71.05 0.00 2.83 0.05 0.10 25.97 20:40:04 3 68.16 0.00 2.36 0.02 0.10 29.34 20:50:03 all 60.28 0.00 4.16 0.10 0.09 35.38 20:50:03 0 60.00 0.00 3.79 0.09 0.09 36.03 20:50:03 1 61.43 0.00 4.46 0.10 0.09 33.92 20:50:03 2 60.33 0.00 4.02 0.11 0.09 35.45 20:50:03 3 59.37 0.00 4.36 0.08 0.09 36.10 21:00:04 all 47.65 0.00 2.45 0.09 0.09 49.72 21:00:04 0 44.73 0.00 2.41 0.14 0.09 52.64 21:00:04 1 48.34 0.00 2.80 0.14 0.08 48.63 21:00:04 2 45.34 0.00 2.13 0.05 0.09 52.39 21:00:04 3 52.20 0.00 2.47 0.04 0.09 45.20 Average: all 59.18 0.00 3.03 0.07 0.09 37.62 Average: 0 58.46 0.00 2.85 0.09 0.09 38.52 Average: 1 59.43 0.00 3.22 0.10 0.09 37.17 Average: 2 58.92 0.00 2.99 0.07 0.09 37.93 Average: 3 59.92 0.00 3.06 0.05 0.09 36.87