---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20152 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 68G 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 608 10697 4 4683 15038 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:9a:a7:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fe9a:a7c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:59:96:a2:55:85 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-20152) 02/23/26 _x86_64_ (4 CPU) 09:56:07 LINUX RESTART (4 CPU) 10:00:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:53 3.80 0.13 3.51 0.16 9.93 601.90 145.60 10:20:00 12.69 0.59 11.25 0.85 21.34 1883.79 1288.40 Average: 7.96 0.35 7.13 0.48 15.27 1202.01 680.60 10:00:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:53 8147120 11053536 4910444 29.99 112792 2960832 5152908 29.58 494996 7381988 3008 10:20:00 9758888 13193364 2767032 16.90 134456 3435732 2995548 17.19 672584 5567048 113240 Average: 8953004 12123450 3838738 23.45 123624 3198282 4074228 23.39 583790 6474518 58124 10:00:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:53 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 10:10:53 ens3 11.02 9.82 77.47 2.52 0.00 0.00 0.00 0.00 10:10:53 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 312.86 312.86 297.73 297.73 0.00 0.00 0.00 0.00 10:20:00 ens3 31.41 23.66 426.64 3.71 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 146.78 146.78 139.57 139.57 0.00 0.00 0.00 0.00 Average: ens3 20.56 16.30 240.93 3.08 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-20152) 02/23/26 _x86_64_ (4 CPU) 09:56:07 LINUX RESTART (4 CPU) 10:00:32 CPU %user %nice %system %iowait %steal %idle 10:10:53 all 45.30 0.00 0.69 0.04 0.10 53.86 10:10:53 0 42.10 0.00 0.90 0.07 0.11 56.83 10:10:53 1 42.40 0.00 0.61 0.02 0.10 56.86 10:10:53 2 48.02 0.00 0.67 0.05 0.10 51.15 10:10:53 3 48.69 0.00 0.59 0.02 0.10 50.61 10:20:00 all 54.14 0.00 1.14 0.09 0.12 44.51 10:20:00 0 45.91 0.00 1.08 0.07 0.11 52.82 10:20:00 1 67.40 0.00 1.33 0.09 0.12 31.05 10:20:00 2 42.17 0.00 1.13 0.12 0.12 56.46 10:20:00 3 61.05 0.00 1.02 0.08 0.12 37.74 Average: all 49.44 0.00 0.90 0.06 0.11 49.49 Average: 0 43.88 0.00 0.99 0.07 0.11 54.95 Average: 1 54.09 0.00 0.95 0.05 0.11 44.80 Average: 2 45.28 0.00 0.89 0.09 0.11 53.64 Average: 3 54.48 0.00 0.79 0.05 0.11 44.57