---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20266 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 12G 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 740 9410 4 5837 14906 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:6c:b6:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84115sec preferred_lft 84115sec inet6 fe80::f816:3eff:fe6c:b669/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:f1:e4:28:fe:f2 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-20266) 02/23/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 19.56 1.02 16.97 1.58 232.00 4469.40 2024.73 20:50:02 56.71 0.00 45.56 11.15 0.00 3121.58 17180.38 21:00:02 27.84 0.14 23.15 4.56 6.47 4789.00 7236.73 Average: 34.73 0.39 28.58 5.77 79.40 4125.66 8822.57 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9048776 13269548 2683320 16.39 182696 4094944 3010796 17.28 813096 6040044 248444 20:50:02 8479496 13022132 2927016 17.88 211444 4356072 3165832 18.17 908600 6498700 101440 21:00:02 9772848 15384068 560356 3.42 245700 5333204 1115348 6.40 1284016 4743952 376 Average: 9100373 13891916 2056897 12.56 213280 4594740 2430659 13.95 1001904 5760899 116753 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 296.50 296.50 281.63 281.63 0.00 0.00 0.00 0.00 20:40:00 ens3 89.98 65.94 361.87 19.29 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5573.34 5573.34 5311.00 5311.00 0.00 0.00 0.00 0.00 20:50:02 ens3 68.23 53.36 26.50 19.92 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 1968.51 1968.51 1861.25 1861.25 0.00 0.00 0.00 0.00 21:00:02 ens3 105.47 102.26 141.30 168.24 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2615.83 2615.83 2487.53 2487.53 0.00 0.00 0.00 0.00 Average: ens3 87.87 73.83 176.40 69.11 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-20266) 02/23/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 69.19 0.00 2.55 0.07 0.11 28.07 20:40:00 0 68.78 0.00 2.37 0.09 0.12 28.65 20:40:00 1 69.73 0.00 2.48 0.09 0.11 27.59 20:40:00 2 70.66 0.00 2.75 0.08 0.12 26.39 20:40:00 3 67.60 0.00 2.59 0.04 0.11 29.66 20:50:02 all 61.24 0.00 4.25 0.14 0.12 34.25 20:50:02 0 61.82 0.00 4.47 0.11 0.12 33.48 20:50:02 1 61.00 0.00 4.08 0.23 0.12 34.58 20:50:02 2 61.56 0.00 4.51 0.11 0.12 33.70 20:50:02 3 60.59 0.00 3.94 0.10 0.12 35.26 21:00:02 all 45.60 0.00 2.41 0.14 0.10 51.75 21:00:02 0 43.80 0.00 2.46 0.35 0.10 53.30 21:00:02 1 46.87 0.00 2.15 0.09 0.10 50.79 21:00:02 2 45.09 0.00 2.52 0.05 0.10 52.24 21:00:02 3 46.64 0.00 2.52 0.08 0.09 50.66 Average: all 58.68 0.00 3.07 0.12 0.11 38.02 Average: 0 58.13 0.00 3.10 0.18 0.11 38.48 Average: 1 59.20 0.00 2.90 0.14 0.11 37.65 Average: 2 59.11 0.00 3.26 0.08 0.11 37.44 Average: 3 58.28 0.00 3.02 0.07 0.11 38.53