---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16002 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 647 10217 4 5124 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:b7:b6:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84839sec preferred_lft 84839sec inet6 fe80::f816:3eff:feb7:b64a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:a4:ec:b4:88:a4 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-16002) 02/19/26 _x86_64_ (4 CPU) 10:16:54 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:25 22.36 0.82 8.15 13.39 612.31 1830.48 244753.86 10:40:15 13.52 0.54 12.15 0.83 19.72 1954.81 2594.37 Average: 18.06 0.69 10.09 7.29 324.30 1890.91 127059.18 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:25 8354744 11675880 4285100 26.17 118800 3361776 4418956 25.36 690624 6982220 1308 10:40:15 8863984 12901616 3055420 18.66 137448 4020752 3283484 18.85 899012 6223316 274140 Average: 8609364 12288748 3670260 22.42 128124 3691264 3851220 22.11 794818 6602768 137724 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:25 lo 0.66 0.66 0.37 0.37 0.00 0.00 0.00 0.00 10:30:25 ens3 37.22 26.56 334.67 3.48 0.00 0.00 0.00 0.00 10:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:15 lo 279.94 279.94 266.28 266.28 0.00 0.00 0.00 0.00 10:40:15 ens3 40.51 27.78 416.25 3.85 0.00 0.00 0.00 0.00 10:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 136.40 136.40 129.61 129.61 0.00 0.00 0.00 0.00 Average: ens3 38.82 27.16 374.32 3.66 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-16002) 02/19/26 _x86_64_ (4 CPU) 10:16:54 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:25 all 50.64 0.00 0.88 0.14 0.08 48.26 10:30:25 0 48.79 0.00 0.98 0.09 0.09 50.06 10:30:25 1 51.86 0.00 0.84 0.11 0.08 47.11 10:30:25 2 54.67 0.00 0.78 0.24 0.09 44.23 10:30:25 3 47.26 0.00 0.92 0.12 0.07 51.63 10:40:15 all 52.13 0.00 1.06 0.06 0.08 46.68 10:40:15 0 42.94 0.00 1.14 0.05 0.08 55.79 10:40:15 1 62.42 0.00 1.13 0.09 0.08 36.29 10:40:15 2 47.96 0.00 0.95 0.05 0.07 50.97 10:40:15 3 55.23 0.00 1.01 0.04 0.08 43.64 Average: all 51.37 0.00 0.97 0.10 0.08 47.49 Average: 0 45.94 0.00 1.06 0.07 0.08 52.84 Average: 1 56.99 0.00 0.98 0.10 0.08 41.86 Average: 2 51.40 0.00 0.86 0.15 0.08 47.51 Average: 3 51.13 0.00 0.96 0.08 0.08 47.75