---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2811 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 746 9517 4 5725 14900 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:07:a2:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84101sec preferred_lft 84101sec inet6 fe80::f816:3eff:fe07:a2be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:a0:af:68:d4:7c 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-2811) 04/14/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 22.80 0.47 20.15 2.18 14.28 4657.83 3546.56 20:50:04 56.07 0.00 45.00 11.07 0.00 2738.87 15425.50 21:00:07 24.72 0.29 20.52 3.91 11.66 4379.25 9486.82 Average: 34.48 0.25 28.52 5.71 8.67 3927.92 9477.64 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 9441284 13497392 2455384 15.00 183036 3933288 2676684 15.36 747100 5706536 13024 20:50:04 8917684 13319628 2629952 16.06 210012 4218836 2811580 16.14 839380 6116872 17704 21:00:07 9854368 15350348 594516 3.63 238916 5227324 1127312 6.47 1202536 4738832 264 Average: 9404445 14055789 1893284 11.56 210655 4459816 2205192 12.66 929672 5520747 10331 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 773.79 773.79 737.11 737.11 0.00 0.00 0.00 0.00 20:40:08 ens3 100.56 70.65 323.88 20.18 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 5752.60 5752.60 5485.39 5485.39 0.00 0.00 0.00 0.00 20:50:04 ens3 74.92 57.36 26.50 20.21 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 1755.66 1755.66 1657.49 1657.49 0.00 0.00 0.00 0.00 21:00:07 ens3 121.31 113.43 120.27 178.72 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2754.39 2754.39 2620.63 2620.63 0.00 0.00 0.00 0.00 Average: ens3 99.01 80.58 157.00 73.32 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-2811) 04/14/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 67.39 0.00 2.60 0.05 0.10 29.86 20:40:08 0 67.99 0.00 2.61 0.05 0.10 29.26 20:40:08 1 67.66 0.00 2.68 0.05 0.09 29.52 20:40:08 2 67.19 0.00 2.77 0.05 0.10 29.89 20:40:08 3 66.73 0.00 2.35 0.04 0.10 30.79 20:50:04 all 61.75 0.00 4.19 0.10 0.09 33.86 20:50:04 0 61.67 0.00 4.34 0.07 0.10 33.83 20:50:04 1 61.86 0.00 4.11 0.14 0.09 33.79 20:50:04 2 62.36 0.00 4.31 0.10 0.09 33.14 20:50:04 3 61.11 0.00 4.02 0.08 0.10 34.70 21:00:07 all 43.91 0.00 2.18 0.08 0.08 53.74 21:00:07 0 44.91 0.00 2.21 0.12 0.08 52.68 21:00:07 1 40.95 0.00 1.95 0.05 0.08 56.96 21:00:07 2 39.37 0.00 2.16 0.10 0.08 58.28 21:00:07 3 50.41 0.00 2.40 0.04 0.09 47.06 Average: all 57.65 0.00 2.99 0.07 0.09 39.20 Average: 0 58.15 0.00 3.05 0.08 0.09 38.63 Average: 1 56.78 0.00 2.91 0.08 0.09 40.15 Average: 2 56.26 0.00 3.07 0.08 0.09 40.49 Average: 3 59.39 0.00 2.92 0.05 0.09 37.54