---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26219 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 629 10291 4 5068 15017 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:2d:1b:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84840sec preferred_lft 84840sec inet6 fe80::f816:3eff:fe2d:1ba5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:7e:71:f5:46:4d 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26219) 03/04/26 _x86_64_ (4 CPU) 06:24:44 LINUX RESTART (4 CPU) 06:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 4.87 0.21 4.42 0.25 30.67 645.25 4313.41 06:50:10 23.20 0.60 20.46 2.14 30.08 4742.11 4457.47 Average: 13.97 0.40 12.38 1.19 30.38 2679.52 4384.94 06:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 9258252 12560380 3401288 20.77 117648 3342804 3608732 20.71 710188 6053844 280 06:50:10 10568192 15400424 555552 3.39 140496 4791308 1090184 6.26 1084960 4305736 424116 Average: 9913222 13980402 1978420 12.08 129072 4067056 2349458 13.49 897574 5179790 212198 06:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 06:40:10 ens3 8.53 7.17 35.75 2.22 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 479.90 479.90 457.02 457.02 0.00 0.00 0.00 0.00 06:50:10 ens3 45.02 33.24 485.03 17.73 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 238.60 238.60 227.12 227.12 0.00 0.00 0.00 0.00 Average: ens3 26.65 20.12 258.84 9.92 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26219) 03/04/26 _x86_64_ (4 CPU) 06:24:44 LINUX RESTART (4 CPU) 06:30:02 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 48.54 0.00 0.73 0.03 0.10 50.61 06:40:10 0 46.33 0.00 0.81 0.03 0.09 52.75 06:40:10 1 47.29 0.00 0.74 0.06 0.11 51.80 06:40:10 2 55.51 0.00 0.71 0.00 0.09 43.68 06:40:10 3 45.02 0.00 0.65 0.02 0.09 54.22 06:50:10 all 54.30 0.00 1.46 0.20 0.10 43.94 06:50:10 0 44.71 0.00 1.39 0.07 0.10 53.73 06:50:10 1 74.02 0.00 1.51 0.40 0.10 23.97 06:50:10 2 49.12 0.00 1.36 0.17 0.10 49.25 06:50:10 3 49.36 0.00 1.59 0.17 0.10 48.78 Average: all 51.40 0.00 1.09 0.11 0.10 47.30 Average: 0 45.53 0.00 1.09 0.05 0.10 53.23 Average: 1 60.55 0.00 1.12 0.23 0.11 38.00 Average: 2 52.34 0.00 1.03 0.09 0.09 46.45 Average: 3 47.17 0.00 1.12 0.10 0.09 51.52