---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18975 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 629 10415 4 4943 15016 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:85:52:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84741sec preferred_lft 84741sec inet6 fe80::f816:3eff:fe85:52c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:b0:4e:e1:06:85 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-18975) 02/19/26 _x86_64_ (4 CPU) 14:05:38 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:19 6.35 0.50 5.48 0.37 401.65 1003.91 4846.52 14:30:17 16.38 0.53 14.71 1.14 19.46 2091.14 3511.51 Average: 11.29 0.52 10.02 0.75 213.57 1538.93 4189.57 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:19 8018788 11150064 4812672 29.39 115924 3178004 4880616 28.01 635708 7375944 224 14:30:17 8968200 12819696 3138792 19.17 138532 3836488 3320276 19.06 855632 6167740 270916 Average: 8493494 11984880 3975732 24.28 127228 3507246 4100446 23.54 745670 6771842 135570 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:19 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 14:20:19 ens3 18.04 13.13 199.52 2.65 0.00 0.00 0.00 0.00 14:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:17 lo 431.59 431.59 411.09 411.09 0.00 0.00 0.00 0.00 14:30:17 ens3 38.26 28.08 411.54 4.54 0.00 0.00 0.00 0.00 14:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 212.70 212.70 202.48 202.48 0.00 0.00 0.00 0.00 Average: ens3 27.99 20.49 303.86 3.58 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-18975) 02/19/26 _x86_64_ (4 CPU) 14:05:38 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:19 all 48.33 0.00 0.71 0.05 0.08 50.84 14:20:19 0 42.67 0.00 0.64 0.03 0.08 56.58 14:20:19 1 41.61 0.00 0.77 0.06 0.08 57.49 14:20:19 2 51.24 0.00 0.72 0.04 0.07 47.93 14:20:19 3 57.82 0.00 0.71 0.07 0.08 41.32 14:30:17 all 50.57 0.00 1.19 0.04 0.09 48.10 14:30:17 0 42.43 0.00 1.18 0.04 0.09 56.25 14:30:17 1 42.46 0.00 1.03 0.05 0.08 56.38 14:30:17 2 60.40 0.00 1.03 0.03 0.10 38.45 14:30:17 3 57.06 0.00 1.53 0.04 0.10 41.28 Average: all 49.43 0.00 0.95 0.05 0.09 49.49 Average: 0 42.55 0.00 0.90 0.04 0.09 56.42 Average: 1 42.03 0.00 0.89 0.05 0.08 56.94 Average: 2 55.75 0.00 0.87 0.04 0.09 43.26 Average: 3 57.44 0.00 1.11 0.06 0.09 41.30