---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26220 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: 5600.00 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 706 9622 4 5660 14940 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:ce:8d:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84560sec preferred_lft 84560sec inet6 fe80::f816:3eff:fece:8d2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:43:5f:0f:c3:50 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-26220) 03/04/26 _x86_64_ (4 CPU) 06:27:57 LINUX RESTART (4 CPU) 06:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:11 25.46 3.06 20.71 1.70 551.00 4796.61 10574.53 06:50:02 33.48 0.06 29.79 3.63 1.72 3326.52 16920.76 Average: 29.44 1.57 25.21 2.65 278.48 4067.24 13723.16 06:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:11 9379724 13121116 2835528 17.32 153968 3683804 3124944 17.94 843176 5737780 28084 06:50:02 8320264 12737436 3215256 19.64 186304 4276384 3378748 19.39 1008384 6535868 120288 Average: 8849994 12929276 3025392 18.48 170136 3980094 3251846 18.67 925780 6136824 74186 06:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:11 lo 590.37 590.37 562.54 562.54 0.00 0.00 0.00 0.00 06:40:11 ens3 108.12 83.73 906.61 17.77 0.00 0.00 0.00 0.00 06:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 1530.11 1530.11 1458.27 1458.27 0.00 0.00 0.00 0.00 06:50:02 ens3 63.36 48.66 199.08 14.14 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.62 1056.62 1006.95 1006.95 0.00 0.00 0.00 0.00 Average: ens3 85.91 66.33 555.57 15.97 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-26220) 03/04/26 _x86_64_ (4 CPU) 06:27:57 LINUX RESTART (4 CPU) 06:30:11 CPU %user %nice %system %iowait %steal %idle 06:40:11 all 54.21 0.00 1.89 0.17 0.08 43.66 06:40:11 0 52.90 0.00 1.73 0.19 0.08 45.09 06:40:11 1 55.86 0.00 1.57 0.10 0.08 42.39 06:40:11 2 52.84 0.00 2.04 0.24 0.08 44.79 06:40:11 3 55.22 0.00 2.20 0.16 0.07 42.34 06:50:02 all 58.70 0.00 2.45 0.19 0.09 38.58 06:50:02 0 57.47 0.00 2.31 0.31 0.09 39.82 06:50:02 1 59.67 0.00 2.67 0.22 0.09 37.35 06:50:02 2 58.19 0.00 2.56 0.14 0.08 39.02 06:50:02 3 59.46 0.00 2.24 0.10 0.08 38.11 Average: all 56.43 0.00 2.16 0.18 0.08 41.14 Average: 0 55.17 0.00 2.02 0.25 0.08 42.48 Average: 1 57.75 0.00 2.11 0.16 0.08 39.89 Average: 2 55.49 0.00 2.30 0.19 0.08 41.93 Average: 3 57.32 0.00 2.22 0.13 0.08 40.24