---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20746 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 635 10545 4 4807 15011 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:da:ad:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:feda:ad3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:fc:54:03:68:42 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20746) 02/26/26 _x86_64_ (4 CPU) 00:27:18 LINUX RESTART (4 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:08 8.50 1.38 6.73 0.39 73.13 1551.19 588.93 00:50:08 20.17 0.51 6.08 13.58 18.45 740.12 239938.16 Average: 14.33 0.94 6.41 6.98 45.80 1145.76 120230.64 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:08 9253064 12236280 3726516 22.76 114692 3033052 3883480 22.29 505192 6260420 1688 00:50:08 8765944 12440216 3518808 21.49 132068 3669044 3692716 21.20 611536 6599948 485996 Average: 9009504 12338248 3622662 22.13 123380 3351048 3788098 21.74 558364 6430184 243842 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:08 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 00:40:08 ens3 26.77 20.55 249.22 4.65 0.00 0.00 0.00 0.00 00:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 93.61 93.61 88.60 88.60 0.00 0.00 0.00 0.00 00:50:08 ens3 37.78 25.93 409.22 3.79 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 47.13 47.13 44.48 44.48 0.00 0.00 0.00 0.00 Average: ens3 32.27 23.23 329.20 4.22 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20746) 02/26/26 _x86_64_ (4 CPU) 00:27:18 LINUX RESTART (4 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:08 all 52.42 0.00 0.83 0.05 0.08 46.61 00:40:08 0 57.77 0.00 0.70 0.03 0.08 41.42 00:40:08 1 53.77 0.00 1.00 0.11 0.08 45.04 00:40:08 2 46.60 0.00 0.83 0.03 0.09 52.46 00:40:08 3 51.56 0.00 0.79 0.04 0.07 47.53 00:50:08 all 52.98 0.00 0.73 0.05 0.08 46.17 00:50:08 0 92.27 0.00 0.82 0.03 0.09 6.79 00:50:08 1 40.40 0.00 0.88 0.12 0.07 58.53 00:50:08 2 39.12 0.00 0.63 0.03 0.08 60.15 00:50:08 3 40.16 0.00 0.59 0.02 0.07 59.17 Average: all 52.70 0.00 0.78 0.05 0.08 46.39 Average: 0 75.01 0.00 0.76 0.03 0.09 24.12 Average: 1 47.08 0.00 0.94 0.11 0.07 51.79 Average: 2 42.86 0.00 0.73 0.03 0.08 56.30 Average: 3 45.86 0.00 0.69 0.03 0.07 53.35