---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24022 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 15% / 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 705 9772 4 5511 14941 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:47:35:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:fe47:35bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:40:a1:a8:ae:a0 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-24022) 02/28/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:08 23.77 2.68 19.70 1.39 149.81 4996.48 3895.67 06:50:09 35.60 0.05 31.57 3.98 1.23 3467.18 11380.12 07:00:01 20.48 0.16 17.81 2.50 9.29 5748.72 3930.36 Average: 26.64 0.97 23.05 2.62 53.59 4732.83 6414.27 06:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:08 10086980 13642192 2314252 14.13 152112 3502612 2634500 15.12 694524 5186620 23992 06:50:09 8649216 12923764 3027968 18.49 178940 4141924 3348492 19.22 859100 6398260 194204 07:00:01 10110608 15393420 552544 3.37 204356 5064084 1067096 6.13 926676 4787116 10988 Average: 9615601 13986459 1964921 12.00 178469 4236207 2350029 13.49 826767 5457332 76395 06:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:08 lo 482.29 482.29 459.01 459.01 0.00 0.00 0.00 0.00 06:40:08 ens3 99.11 78.30 860.63 16.21 0.00 0.00 0.00 0.00 06:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 1845.17 1845.17 1758.67 1758.67 0.00 0.00 0.00 0.00 06:50:09 ens3 50.92 37.53 117.79 11.72 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 12.09 12.09 2.80 2.80 0.00 0.00 0.00 0.00 07:00:01 ens3 86.44 78.72 128.71 232.15 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 783.41 783.41 743.58 743.58 0.00 0.00 0.00 0.00 Average: ens3 78.78 64.78 369.88 86.08 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-24022) 02/28/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:09 CPU %user %nice %system %iowait %steal %idle 06:40:08 all 50.76 0.00 1.81 6.59 0.10 40.74 06:40:08 0 51.34 0.00 1.78 13.59 0.10 33.20 06:40:08 1 50.66 0.00 1.68 0.09 0.10 47.47 06:40:08 2 49.85 0.00 1.85 11.32 0.10 36.88 06:40:08 3 51.20 0.00 1.93 1.36 0.10 45.40 06:50:09 all 60.19 0.00 2.63 2.05 0.12 35.01 06:50:09 0 59.88 0.00 2.68 1.85 0.12 35.47 06:50:09 1 59.65 0.00 2.46 2.94 0.12 34.83 06:50:09 2 59.78 0.00 3.01 1.86 0.13 35.22 06:50:09 3 61.44 0.00 2.37 1.57 0.12 34.50 07:00:01 all 46.06 0.00 1.55 0.13 0.10 52.17 07:00:01 0 43.62 0.00 1.33 0.16 0.09 54.81 07:00:01 1 47.80 0.00 1.71 0.13 0.11 50.25 07:00:01 2 48.93 0.00 1.76 0.16 0.09 49.05 07:00:01 3 43.89 0.00 1.38 0.05 0.09 54.58 Average: all 52.36 0.00 2.00 2.93 0.11 42.60 Average: 0 51.64 0.00 1.93 5.21 0.10 41.11 Average: 1 52.72 0.00 1.95 1.06 0.11 44.16 Average: 2 52.87 0.00 2.21 4.47 0.11 40.35 Average: 3 52.21 0.00 1.90 1.00 0.11 44.79