---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-440610 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 641 10111 4 5236 15005 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:50:96:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84454sec preferred_lft 84454sec inet6 fe80::f816:3eff:fe50:96f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:e8:80:a7:fe:05 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-440610) 03/11/26 _x86_64_ (4 CPU) 09:38:21 LINUX RESTART (4 CPU) 09:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:11 59.42 2.63 48.93 7.86 154.46 4611.67 144068.33 10:00:04 29.06 0.16 13.25 15.65 4.90 1495.25 267443.36 10:10:07 31.19 0.43 26.24 4.52 19.88 5736.57 7202.92 Average: 39.93 1.08 29.55 9.31 59.97 3960.76 138867.12 09:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:11 9606036 12791824 3169344 19.36 149548 3179228 3603572 20.68 654616 5741484 6776 10:00:04 9565572 13138784 2818980 17.22 168820 3516084 3033872 17.41 757864 5644872 9708 10:10:07 10442360 15449864 500268 3.06 190148 4859584 1057100 6.07 1330112 4104296 13196 Average: 9871323 13793491 2162864 13.21 169505 3851632 2564848 14.72 914197 5163551 9893 09:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:11 lo 16.85 16.85 3.69 3.69 0.00 0.00 0.00 0.00 09:50:11 ens3 76.95 61.11 620.45 12.00 0.00 0.00 0.00 0.00 09:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:04 lo 529.86 529.86 471.30 471.30 0.00 0.00 0.00 0.00 10:00:04 ens3 36.06 25.21 223.79 5.67 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:07 lo 1922.28 1922.28 1852.61 1852.61 0.00 0.00 0.00 0.00 10:10:07 ens3 107.38 99.35 262.47 636.42 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 825.23 825.23 778.13 778.13 0.00 0.00 0.00 0.00 Average: ens3 73.67 62.09 369.50 219.35 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-440610) 03/11/26 _x86_64_ (4 CPU) 09:38:21 LINUX RESTART (4 CPU) 09:40:10 CPU %user %nice %system %iowait %steal %idle 09:50:11 all 35.34 0.00 1.44 0.40 0.08 62.75 09:50:11 0 34.82 0.00 1.07 0.22 0.08 63.81 09:50:11 1 36.78 0.00 1.76 0.74 0.08 60.64 09:50:11 2 33.94 0.00 1.33 0.37 0.08 64.28 09:50:11 3 35.82 0.00 1.58 0.27 0.08 62.25 10:00:04 all 22.77 0.00 1.19 0.09 0.08 75.87 10:00:04 0 23.15 0.00 1.08 0.04 0.08 75.65 10:00:04 1 23.17 0.00 1.27 0.03 0.08 75.46 10:00:04 2 22.74 0.00 1.24 0.24 0.08 75.70 10:00:04 3 22.01 0.00 1.18 0.05 0.08 76.68 10:10:07 all 47.15 0.00 2.45 1.19 0.09 49.12 10:10:07 0 47.19 0.00 2.26 1.45 0.08 49.01 10:10:07 1 49.29 0.00 2.60 1.31 0.09 46.71 10:10:07 2 45.16 0.00 2.38 0.79 0.09 51.58 10:10:07 3 46.96 0.00 2.55 1.22 0.09 49.18 Average: all 35.15 0.00 1.69 0.56 0.08 62.51 Average: 0 35.13 0.00 1.47 0.58 0.08 62.74 Average: 1 36.48 0.00 1.88 0.70 0.08 60.86 Average: 2 34.01 0.00 1.65 0.47 0.08 63.79 Average: 3 35.00 0.00 1.77 0.51 0.08 62.63