---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8279 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 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 645 10153 4 5190 15001 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:98:2a:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe98:2a2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:05:6a:5a:2b:af 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-8279) 02/06/26 _x86_64_ (4 CPU) 18:22:00 LINUX RESTART (4 CPU) 18:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 20.01 0.02 16.96 3.03 0.60 990.97 72917.85 18:50:09 37.58 0.20 32.94 4.45 6.01 6308.27 25309.23 Average: 28.87 0.11 25.02 3.74 3.33 3672.16 48911.74 18:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 9603028 12839280 3119896 19.06 150560 3225060 3362280 19.30 672288 5719168 968 18:50:09 7185884 12322816 3626152 22.15 186608 4989188 3770312 21.64 1313016 7392216 199660 Average: 8394456 12581048 3373024 20.60 168584 4107124 3566296 20.47 992652 6555692 100314 18:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 49.48 49.48 11.99 11.99 0.00 0.00 0.00 0.00 18:40:01 ens3 8.54 6.25 8.06 2.00 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:09 lo 1980.72 1980.72 1889.73 1889.73 0.00 0.00 0.00 0.00 18:50:09 ens3 73.09 57.31 454.67 14.11 0.00 0.00 0.00 0.00 18:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1023.29 1023.29 958.82 958.82 0.00 0.00 0.00 0.00 Average: ens3 41.09 32.00 233.26 8.11 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-8279) 02/06/26 _x86_64_ (4 CPU) 18:22:00 LINUX RESTART (4 CPU) 18:30:04 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 18.73 0.00 0.81 0.97 0.09 79.41 18:40:01 0 18.88 0.00 0.77 0.04 0.08 80.23 18:40:01 1 19.16 0.00 1.04 2.32 0.08 77.40 18:40:01 2 18.80 0.00 0.71 1.44 0.09 78.96 18:40:01 3 18.06 0.00 0.73 0.06 0.09 81.05 18:50:09 all 49.40 0.00 2.42 0.13 0.08 47.97 18:50:09 0 48.90 0.00 2.36 0.15 0.08 48.51 18:50:09 1 49.41 0.00 2.60 0.21 0.08 47.70 18:50:09 2 50.61 0.00 2.38 0.14 0.08 46.78 18:50:09 3 48.66 0.00 2.34 0.04 0.08 48.88 Average: all 34.18 0.00 1.62 0.55 0.08 63.57 Average: 0 34.00 0.00 1.57 0.10 0.08 64.25 Average: 1 34.41 0.00 1.82 1.26 0.08 62.43 Average: 2 34.82 0.00 1.55 0.78 0.09 62.75 Average: 3 33.49 0.00 1.55 0.05 0.08 64.83