---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20930 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 12G 66G 16% / 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 674 8636 4 6678 14972 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:c4:64:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84365sec preferred_lft 84365sec inet6 fe80::f816:3eff:fec4:6435/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:7a:6e:4c:9d:a5 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-20930) 02/26/26 _x86_64_ (4 CPU) 09:48:38 LINUX RESTART (4 CPU) 09:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:28 49.14 15.36 30.55 3.23 692.75 5211.03 10311.13 10:10:19 20.39 0.03 18.26 2.10 1.84 2376.83 20474.29 10:20:19 20.70 0.03 18.84 1.83 1.31 3971.44 19063.75 Average: 30.40 5.31 22.69 2.40 239.83 3880.09 16505.41 09:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:28 9966204 13682344 2276224 13.90 135792 3695480 2623968 15.06 832508 5181728 107760 10:10:19 9214028 13154400 2801412 17.11 150208 3882604 2950736 16.94 913260 5817312 23536 10:20:19 8085788 12928900 3023072 18.46 161932 4737328 3032748 17.41 1183924 6599804 1576 Average: 9088673 13255215 2700236 16.49 149311 4105137 2869151 16.47 976564 5866281 44291 09:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:28 lo 1775.50 1775.50 1686.49 1686.49 0.00 0.00 0.00 0.00 10:00:28 ens3 109.96 84.12 1053.69 13.69 0.00 0.00 0.00 0.00 10:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:19 lo 878.66 878.66 835.75 835.75 0.00 0.00 0.00 0.00 10:10:19 ens3 18.20 16.46 12.63 5.29 0.00 0.00 0.00 0.00 10:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:19 lo 995.95 995.95 7565.76 7565.76 0.00 0.00 0.00 0.00 10:20:19 ens3 16.62 14.43 17.76 4.78 0.00 0.00 0.00 0.00 10:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1226.52 1226.52 3350.17 3350.17 0.00 0.00 0.00 0.00 Average: ens3 49.31 39.11 373.19 8.02 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-20930) 02/26/26 _x86_64_ (4 CPU) 09:48:38 LINUX RESTART (4 CPU) 09:50:02 CPU %user %nice %system %iowait %steal %idle 10:00:28 all 58.81 0.07 2.60 5.32 0.12 33.09 10:00:28 0 57.43 0.01 2.39 5.58 0.12 34.47 10:00:28 1 59.17 0.12 2.52 4.06 0.13 34.01 10:00:28 2 60.77 0.05 2.93 3.77 0.13 32.35 10:00:28 3 57.86 0.09 2.56 7.87 0.12 31.51 10:10:19 all 59.34 0.00 1.94 4.44 0.11 34.17 10:10:19 0 59.67 0.00 1.94 5.13 0.11 33.14 10:10:19 1 58.21 0.00 1.97 3.26 0.11 36.45 10:10:19 2 60.19 0.00 1.76 2.83 0.11 35.11 10:10:19 3 59.28 0.00 2.10 6.53 0.12 31.97 10:20:19 all 50.03 0.00 1.81 0.19 0.11 47.86 10:20:19 0 44.83 0.00 1.56 0.34 0.11 53.16 10:20:19 1 57.10 0.00 1.95 0.23 0.12 40.60 10:20:19 2 48.67 0.00 2.31 0.15 0.11 48.76 10:20:19 3 49.52 0.00 1.43 0.03 0.11 48.90 Average: all 56.08 0.02 2.13 3.34 0.12 38.32 Average: 0 54.00 0.00 1.97 3.71 0.11 40.21 Average: 1 58.17 0.04 2.15 2.53 0.12 36.98 Average: 2 56.59 0.02 2.34 2.27 0.12 38.66 Average: 3 55.57 0.03 2.04 4.84 0.11 37.41