---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36677 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 636 10371 4 4981 15010 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:c2:64:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84777sec preferred_lft 84777sec inet6 fe80::f816:3eff:fec2:6492/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:27:24:8e:4e:5e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36677) 07/17/26 _x86_64_ (4 CPU) 15:36:36 LINUX RESTART (4 CPU) 15:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 5.38 0.32 4.85 0.22 29.66 1240.12 150.10 16:00:11 15.33 0.51 13.75 1.08 18.94 2217.21 7937.22 Average: 10.44 0.42 9.37 0.65 24.21 1736.77 4108.28 15:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 9357376 12443952 3519008 21.49 114792 3128304 3705104 21.27 492432 6164880 1656 16:00:11 9188756 13025076 2933104 17.91 134740 3816516 3061212 17.57 713608 6063660 269424 Average: 9273066 12734514 3226056 19.70 124766 3472410 3383158 19.42 603020 6114270 135540 15:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 15:50:01 ens3 17.64 14.44 83.00 3.55 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:11 lo 401.96 401.96 382.95 382.95 0.00 0.00 0.00 0.00 16:00:11 ens3 44.50 30.70 445.78 5.20 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 204.63 204.63 194.84 194.84 0.00 0.00 0.00 0.00 Average: ens3 31.29 22.71 267.40 4.39 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36677) 07/17/26 _x86_64_ (4 CPU) 15:36:36 LINUX RESTART (4 CPU) 15:40:11 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 50.33 0.00 0.80 0.04 0.10 48.74 15:50:01 0 45.94 0.00 0.85 0.03 0.10 53.08 15:50:01 1 43.96 0.00 0.63 0.01 0.09 55.31 15:50:01 2 54.82 0.00 0.81 0.08 0.10 44.19 15:50:01 3 56.61 0.00 0.90 0.03 0.11 42.35 16:00:11 all 59.23 0.00 1.25 0.14 0.11 39.28 16:00:11 0 65.97 0.00 1.28 0.21 0.12 32.42 16:00:11 1 48.70 0.00 0.96 0.10 0.10 50.14 16:00:11 2 69.57 0.00 1.44 0.12 0.12 28.75 16:00:11 3 52.66 0.00 1.31 0.13 0.10 45.81 Average: all 54.85 0.00 1.03 0.09 0.11 43.93 Average: 0 56.11 0.00 1.07 0.12 0.11 42.59 Average: 1 46.37 0.00 0.80 0.06 0.10 52.68 Average: 2 62.31 0.00 1.13 0.10 0.11 36.34 Average: 3 54.60 0.00 1.11 0.08 0.11 44.11