---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8310 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: 5600.00 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 646 10496 4 4845 14999 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:d6:1f:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84816sec preferred_lft 84816sec inet6 fe80::f816:3eff:fed6:1f74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:a3:09:67:5e:eb 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-8310) 02/07/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:17 6.17 0.47 5.32 0.38 401.71 920.69 5174.88 00:50:10 20.39 0.55 17.96 1.87 20.22 2545.62 10689.10 Average: 13.14 0.51 11.52 1.11 214.67 1717.39 7878.47 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:17 10144616 13220148 2743352 16.76 113020 3128960 2965064 17.02 631868 5265196 22872 00:50:10 10836948 15431252 525932 3.21 133612 4569080 1034876 5.94 1000512 4126684 1084152 Average: 10490782 14325700 1634642 9.98 123316 3849020 1999970 11.48 816190 4695940 553512 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:17 lo 0.62 0.62 0.37 0.37 0.00 0.00 0.00 0.00 00:40:17 ens3 20.19 12.66 160.52 3.20 0.00 0.00 0.00 0.00 00:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:10 lo 503.96 503.96 480.01 480.01 0.00 0.00 0.00 0.00 00:50:10 ens3 52.98 38.43 490.50 7.20 0.00 0.00 0.00 0.00 00:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.40 247.40 235.53 235.53 0.00 0.00 0.00 0.00 Average: ens3 36.27 25.30 322.31 5.16 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-8310) 02/07/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:17 all 48.28 0.00 0.77 0.04 0.07 50.84 00:40:17 0 43.25 0.00 0.61 0.06 0.08 56.01 00:40:17 1 51.84 0.00 0.73 0.02 0.07 47.34 00:40:17 2 56.85 0.00 0.96 0.03 0.07 42.08 00:40:17 3 41.18 0.00 0.77 0.07 0.07 57.91 00:50:10 all 51.98 0.00 1.37 0.08 0.08 46.49 00:50:10 0 38.72 0.00 1.24 0.13 0.08 59.82 00:50:10 1 47.07 0.00 1.16 0.04 0.08 51.66 00:50:10 2 79.71 0.00 1.65 0.04 0.09 18.50 00:50:10 3 42.42 0.00 1.45 0.11 0.08 55.95 Average: all 50.09 0.00 1.06 0.06 0.08 48.71 Average: 0 41.03 0.00 0.92 0.09 0.08 57.88 Average: 1 49.50 0.00 0.94 0.03 0.08 49.45 Average: 2 68.06 0.00 1.30 0.04 0.08 30.52 Average: 3 41.79 0.00 1.10 0.09 0.07 56.95