---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53733 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: 5599.94 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 66G 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 694 9114 4 6180 14952 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:62:2c:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84790sec preferred_lft 84790sec inet6 fe80::f816:3eff:fe62:2cd6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:61:34:6d:de:81 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-53733) 03/28/26 _x86_64_ (4 CPU) 07:08:26 LINUX RESTART (4 CPU) 07:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:16 50.39 3.62 29.79 16.98 547.52 5250.91 303518.84 07:30:16 23.68 0.16 20.26 3.26 4.91 1788.51 24964.95 Average: 37.11 1.90 25.05 10.16 277.72 3529.35 165017.38 07:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:16 9349512 13070996 2886736 17.63 127296 3720316 3159484 18.14 829224 5814364 228 07:30:16 8612168 12732968 3221356 19.67 147716 4069208 3304424 18.97 962384 6385112 15268 Average: 8980840 12901982 3054046 18.65 137506 3894762 3231954 18.55 895804 6099738 7748 07:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:16 lo 24.38 24.38 5.68 5.68 0.00 0.00 0.00 0.00 07:20:16 ens3 74.83 55.96 842.54 10.32 0.00 0.00 0.00 0.00 07:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:16 lo 1346.45 1346.45 1257.08 1257.08 0.00 0.00 0.00 0.00 07:30:16 ens3 42.58 30.02 266.22 7.86 0.00 0.00 0.00 0.00 07:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 681.73 681.73 627.90 627.90 0.00 0.00 0.00 0.00 Average: ens3 58.79 43.06 555.98 9.10 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-53733) 03/28/26 _x86_64_ (4 CPU) 07:08:26 LINUX RESTART (4 CPU) 07:10:09 CPU %user %nice %system %iowait %steal %idle 07:20:16 all 37.44 0.00 1.59 0.25 0.09 60.63 07:20:16 0 37.51 0.00 1.69 0.33 0.09 60.38 07:20:16 1 36.73 0.00 1.46 0.29 0.09 61.44 07:20:16 2 38.77 0.00 1.62 0.20 0.08 59.32 07:20:16 3 36.77 0.00 1.59 0.18 0.09 61.37 07:30:16 all 30.25 0.00 1.54 0.06 0.09 68.06 07:30:16 0 30.81 0.00 1.70 0.14 0.09 67.26 07:30:16 1 29.57 0.00 1.37 0.03 0.09 68.94 07:30:16 2 30.61 0.00 1.81 0.03 0.08 67.48 07:30:16 3 30.01 0.00 1.30 0.04 0.09 68.56 Average: all 33.87 0.00 1.57 0.15 0.09 64.32 Average: 0 34.19 0.00 1.70 0.23 0.09 63.80 Average: 1 33.17 0.00 1.41 0.16 0.09 65.17 Average: 2 34.71 0.00 1.71 0.12 0.08 63.37 Average: 3 33.41 0.00 1.44 0.11 0.09 64.95