---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19246 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 640 10356 4 4992 15006 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:f4:8b:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84797sec preferred_lft 84797sec inet6 fe80::f816:3eff:fef4:8be2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:e9:57:2f:69:cc 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-19246) 02/20/26 _x86_64_ (4 CPU) 07:34:23 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:01 6.38 0.43 5.56 0.39 409.65 1017.03 10122.13 08:00:01 19.98 0.54 17.89 1.56 19.43 2387.56 15207.64 Average: 13.18 0.48 11.73 0.97 214.54 1702.29 12664.89 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:01 9515868 12743388 3217996 19.65 119268 3266328 3470868 19.92 635472 5878128 888 08:00:01 9250864 13551276 2404864 14.69 139644 4272504 2531728 14.53 962292 5739752 632536 Average: 9383366 13147332 2811430 17.17 129456 3769416 3001298 17.23 798882 5808940 316712 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:01 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 07:50:01 ens3 17.04 11.16 78.95 2.44 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 517.72 517.72 492.90 492.90 0.00 0.00 0.00 0.00 08:00:01 ens3 43.52 31.43 482.05 5.09 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 259.18 259.18 246.64 246.64 0.00 0.00 0.00 0.00 Average: ens3 30.28 21.30 280.50 3.76 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-19246) 02/20/26 _x86_64_ (4 CPU) 07:34:23 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:01 all 52.26 0.00 0.78 0.10 0.09 46.78 07:50:01 0 44.99 0.00 0.71 0.15 0.09 54.07 07:50:01 1 67.93 0.00 0.80 0.04 0.10 31.13 07:50:01 2 49.46 0.00 0.79 0.13 0.09 49.54 07:50:01 3 46.63 0.00 0.82 0.07 0.08 52.40 08:00:01 all 54.53 0.00 1.41 0.26 0.10 43.70 08:00:01 0 45.32 0.00 1.29 0.17 0.09 53.13 08:00:01 1 47.84 0.00 1.23 0.39 0.10 50.44 08:00:01 2 82.14 0.00 1.68 0.13 0.12 15.94 08:00:01 3 42.86 0.00 1.44 0.35 0.08 55.27 Average: all 53.39 0.00 1.09 0.18 0.09 45.24 Average: 0 45.15 0.00 1.00 0.16 0.09 53.60 Average: 1 57.91 0.00 1.01 0.21 0.10 40.77 Average: 2 65.79 0.00 1.24 0.13 0.10 32.74 Average: 3 44.74 0.00 1.13 0.21 0.08 53.84