---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1918 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 713 10045 4 5230 14933 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:62:98:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84797sec preferred_lft 84797sec inet6 fe80::f816:3eff:fe62:988d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:37:4d:10:8e:4d 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-1918) 04/11/26 _x86_64_ (4 CPU) 02:46:51 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:36 26.31 0.54 23.17 2.60 18.28 3660.41 5946.42 03:10:36 29.17 0.04 26.20 2.93 1.56 6044.96 11263.73 Average: 27.70 0.30 24.64 2.76 10.16 4818.85 8529.62 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:36 9426468 13196800 2759800 16.86 151580 3712044 3091564 17.75 709416 5822620 100160 03:10:36 7722600 12818328 3131892 19.13 181968 4937876 3412532 19.59 1009316 7142948 29088 Average: 8574534 13007564 2945846 17.99 166774 4324960 3252048 18.67 859366 6482784 64624 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:36 lo 1279.77 1279.77 1220.07 1220.07 0.00 0.00 0.00 0.00 03:00:36 ens3 54.21 39.33 306.95 10.03 0.00 0.00 0.00 0.00 03:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:36 lo 894.78 894.78 852.35 852.35 0.00 0.00 0.00 0.00 03:10:36 ens3 42.52 34.38 229.23 8.79 0.00 0.00 0.00 0.00 03:10:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1092.74 1092.74 1041.43 1041.43 0.00 0.00 0.00 0.00 Average: ens3 48.53 36.93 269.19 9.43 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-1918) 04/11/26 _x86_64_ (4 CPU) 02:46:51 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:36 all 62.85 0.00 2.33 0.10 0.10 34.62 03:00:36 0 62.56 0.00 2.06 0.17 0.10 35.11 03:00:36 1 63.90 0.00 2.42 0.07 0.10 33.51 03:00:36 2 62.38 0.00 2.56 0.11 0.10 34.84 03:00:36 3 62.56 0.00 2.27 0.06 0.09 35.02 03:10:36 all 59.55 0.00 2.18 0.11 0.10 38.06 03:10:36 0 61.04 0.00 2.29 0.04 0.11 36.51 03:10:36 1 57.10 0.00 2.52 0.12 0.10 40.16 03:10:36 2 60.20 0.00 1.84 0.16 0.11 37.69 03:10:36 3 59.86 0.00 2.06 0.10 0.10 37.88 Average: all 61.25 0.00 2.26 0.10 0.10 36.29 Average: 0 61.83 0.00 2.18 0.11 0.10 35.79 Average: 1 60.60 0.00 2.47 0.10 0.10 36.74 Average: 2 61.32 0.00 2.21 0.14 0.10 36.22 Average: 3 61.25 0.00 2.17 0.08 0.10 36.41