---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9698 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 657 8658 4 6673 14989 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:69:fd:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84468sec preferred_lft 84468sec inet6 fe80::f816:3eff:fe69:fd61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:06:5f:1c:e2:1c 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-9698) 02/12/26 _x86_64_ (4 CPU) 09:10:57 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:26 24.13 0.02 21.49 2.62 0.79 2059.80 6750.71 09:40:18 21.13 0.02 19.22 1.89 0.46 3974.32 5944.39 Average: 22.67 0.02 20.38 2.27 0.63 2991.49 6358.32 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:26 8951804 12912576 3043752 18.59 148480 3920404 3084924 17.71 936396 6079172 23076 09:40:18 5555724 10425584 5526768 33.76 159240 4783112 5303048 30.44 1201584 9157436 176 Average: 7253764 11669080 4285260 26.17 153860 4351758 4193986 24.07 1068990 7618304 11626 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:26 lo 1154.60 1154.60 1099.30 1099.30 0.00 0.00 0.00 0.00 09:30:26 ens3 21.27 19.30 17.57 6.38 0.00 0.00 0.00 0.00 09:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 lo 856.01 856.01 5336.25 5336.25 0.00 0.00 0.00 0.00 09:40:18 ens3 13.81 12.01 13.03 3.95 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1009.29 1009.29 3161.20 3161.20 0.00 0.00 0.00 0.00 Average: ens3 17.64 15.75 15.36 5.20 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-9698) 02/12/26 _x86_64_ (4 CPU) 09:10:57 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:26 all 65.80 0.00 2.39 0.51 0.13 31.17 09:30:26 0 66.21 0.00 2.27 0.87 0.13 30.52 09:30:26 1 65.45 0.00 2.32 0.49 0.13 31.61 09:30:26 2 66.04 0.00 2.61 0.42 0.13 30.80 09:30:26 3 65.51 0.00 2.34 0.28 0.14 31.74 09:40:18 all 47.33 0.00 1.84 1.22 0.11 49.51 09:40:18 0 40.20 0.00 1.64 1.07 0.10 56.99 09:40:18 1 51.41 0.00 1.79 1.13 0.11 45.56 09:40:18 2 51.88 0.00 2.01 0.57 0.11 45.42 09:40:18 3 45.83 0.00 1.93 2.10 0.10 50.04 Average: all 56.79 0.00 2.12 0.86 0.12 40.11 Average: 0 53.51 0.00 1.96 0.97 0.12 43.44 Average: 1 58.61 0.00 2.06 0.80 0.12 38.41 Average: 2 59.14 0.00 2.32 0.50 0.12 37.92 Average: 3 55.91 0.00 2.14 1.17 0.12 40.66