---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9810 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 68G 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 674 10352 4 4963 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:97:e9:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84837sec preferred_lft 84837sec inet6 fe80::f816:3eff:fe97:e9cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:17:18:57:24:c2 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-9810) 02/12/26 _x86_64_ (4 CPU) 14:57:50 LINUX RESTART (4 CPU) 15:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:17 32.42 14.39 16.55 1.48 671.96 3796.51 17208.38 15:20:30 28.51 0.91 23.55 4.05 29.60 4455.32 3054.70 Average: 30.44 7.56 20.10 2.78 346.42 4130.39 10035.52 15:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:17 10312876 13839940 2118004 12.94 139396 3498172 2635852 15.13 737680 4929028 27836 15:20:30 10640096 15361352 588016 3.59 173036 4571232 1086816 6.24 1066548 4145044 76 Average: 10476486 14600646 1353010 8.26 156216 4034702 1861334 10.68 902114 4537036 13956 15:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:17 lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 15:10:17 ens3 110.40 83.03 715.51 19.67 0.00 0.00 0.00 0.00 15:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:30 lo 1433.62 1433.62 1361.07 1361.07 0.00 0.00 0.00 0.00 15:20:30 ens3 89.28 74.99 417.04 89.16 0.00 0.00 0.00 0.00 15:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 727.23 727.23 689.84 689.84 0.00 0.00 0.00 0.00 Average: ens3 99.69 78.96 564.25 54.89 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-9810) 02/12/26 _x86_64_ (4 CPU) 14:57:50 LINUX RESTART (4 CPU) 15:00:21 CPU %user %nice %system %iowait %steal %idle 15:10:17 all 70.55 0.07 2.38 0.25 0.15 26.60 15:10:17 0 68.44 0.06 2.35 0.35 0.15 28.65 15:10:17 1 71.60 0.13 2.33 0.18 0.15 25.62 15:10:17 2 69.53 0.07 2.20 0.27 0.15 27.79 15:10:17 3 72.63 0.04 2.65 0.20 0.15 24.33 15:20:30 all 60.38 0.00 2.49 0.20 0.13 36.80 15:20:30 0 62.69 0.00 2.55 0.24 0.13 34.39 15:20:30 1 59.26 0.00 2.33 0.28 0.13 38.00 15:20:30 2 59.35 0.00 2.62 0.13 0.13 37.77 15:20:30 3 60.24 0.00 2.44 0.14 0.13 37.05 Average: all 65.40 0.04 2.43 0.22 0.14 31.77 Average: 0 65.53 0.03 2.45 0.29 0.14 31.56 Average: 1 65.34 0.06 2.33 0.23 0.14 31.89 Average: 2 64.37 0.03 2.41 0.20 0.14 32.84 Average: 3 66.35 0.02 2.55 0.17 0.14 30.78