---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-174459 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 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 717 9823 4 5448 14929 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:f6:95:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fef6:958c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:91:34:ea:1b:2e 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-174459) 03/07/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:12 21.60 3.34 17.30 0.96 169.67 4445.17 2462.12 06:50:06 34.38 0.17 30.51 3.70 6.97 3286.19 13813.85 07:00:01 22.93 0.24 19.89 2.80 10.79 6404.58 3802.51 Average: 26.26 1.27 22.51 2.47 63.47 4710.83 6649.32 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:12 9083800 12386844 3573528 21.83 139568 3283288 3711012 21.30 618676 6290112 29044 06:50:06 9302932 13300072 2654936 16.22 175868 3882112 2855616 16.39 818980 5803720 137300 07:00:01 10152500 15368744 578896 3.54 203872 5000824 1099376 6.31 915656 4761152 28 Average: 9513077 13685220 2269120 13.86 173103 4055408 2555335 14.67 784437 5618328 55457 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:12 lo 276.51 276.51 263.24 263.24 0.00 0.00 0.00 0.00 06:40:12 ens3 81.97 63.29 734.86 13.33 0.00 0.00 0.00 0.00 06:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:06 lo 1566.73 1566.73 1493.70 1493.70 0.00 0.00 0.00 0.00 06:50:06 ens3 62.21 49.25 189.88 14.59 0.00 0.00 0.00 0.00 06:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 293.30 293.30 272.57 272.57 0.00 0.00 0.00 0.00 07:00:01 ens3 72.00 63.51 121.57 190.57 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 707.60 707.60 672.15 672.15 0.00 0.00 0.00 0.00 Average: ens3 72.16 58.74 352.32 72.35 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-174459) 03/07/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:12 all 34.56 0.00 1.17 0.09 0.06 64.13 06:40:12 0 36.23 0.00 1.21 0.14 0.05 62.37 06:40:12 1 34.61 0.00 1.28 0.12 0.06 63.93 06:40:12 2 31.92 0.00 1.27 0.05 0.05 66.71 06:40:12 3 35.47 0.00 0.91 0.04 0.06 63.52 06:50:06 all 63.54 0.00 2.56 0.06 0.10 33.74 06:50:06 0 64.58 0.00 2.40 0.06 0.09 32.86 06:50:06 1 63.17 0.00 2.64 0.07 0.09 34.03 06:50:06 2 61.28 0.00 2.45 0.06 0.10 36.11 06:50:06 3 65.13 0.00 2.74 0.07 0.10 31.96 07:00:01 all 50.42 0.00 1.72 0.08 0.08 47.70 07:00:01 0 55.55 0.00 2.32 0.04 0.08 42.01 07:00:01 1 46.15 0.00 1.48 0.23 0.08 52.07 07:00:01 2 52.17 0.00 1.56 0.03 0.08 46.17 07:00:01 3 47.79 0.00 1.51 0.03 0.08 50.58 Average: all 49.35 0.00 1.81 0.08 0.08 48.69 Average: 0 51.96 0.00 1.97 0.08 0.08 45.91 Average: 1 47.83 0.00 1.79 0.14 0.08 50.17 Average: 2 48.29 0.00 1.75 0.05 0.08 49.83 Average: 3 49.31 0.00 1.71 0.05 0.08 48.85