---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8486 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 697 10343 4 4948 14948 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:47:87:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84564sec preferred_lft 84564sec inet6 fe80::f816:3eff:fe47:879e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:ae:70:13:ca: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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8486) 02/07/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 31.55 15.00 15.44 1.12 691.68 3456.33 15100.70 15:00:01 16.64 0.83 14.32 1.48 27.26 3185.04 2795.81 Average: 24.10 7.92 14.88 1.30 359.80 3320.82 8954.25 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10526968 13721948 2238480 13.67 120984 3216312 2563568 14.71 664436 4814648 51736 15:00:01 8915952 13232968 2718064 16.60 166016 4197208 2954288 16.96 926796 6061328 232336 Average: 9721460 13477458 2478272 15.14 143500 3706760 2758928 15.84 795616 5437988 142036 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.75 0.75 0.08 0.08 0.00 0.00 0.00 0.00 14:50:01 ens3 76.81 59.51 826.04 12.59 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 425.10 425.10 404.30 404.30 0.00 0.00 0.00 0.00 15:00:01 ens3 85.40 63.76 365.50 19.09 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 212.72 212.72 202.00 202.00 0.00 0.00 0.00 0.00 Average: ens3 81.10 61.63 595.99 15.84 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-8486) 02/07/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 32.54 0.08 1.20 0.30 0.06 65.81 14:50:01 0 32.88 0.02 1.31 0.28 0.06 65.45 14:50:01 1 32.32 0.15 1.18 0.22 0.06 66.07 14:50:01 2 32.04 0.05 1.06 0.48 0.07 66.30 14:50:01 3 32.91 0.11 1.25 0.23 0.07 65.44 15:00:01 all 72.01 0.00 2.41 0.04 0.12 25.42 15:00:01 0 72.22 0.00 2.46 0.05 0.12 25.15 15:00:01 1 73.25 0.00 1.86 0.03 0.12 24.74 15:00:01 2 74.28 0.00 2.84 0.05 0.12 22.70 15:00:01 3 68.30 0.00 2.46 0.05 0.12 29.07 Average: all 52.25 0.04 1.80 0.17 0.09 45.64 Average: 0 52.51 0.01 1.88 0.16 0.09 45.34 Average: 1 52.73 0.08 1.52 0.12 0.09 45.46 Average: 2 53.14 0.03 1.95 0.27 0.09 44.52 Average: 3 50.61 0.05 1.86 0.14 0.09 47.25