---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24116 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 618 10450 4 4920 15028 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:71:5d:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84878sec preferred_lft 84878sec inet6 fe80::f816:3eff:fe71:5df8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:a6:ec:70:30:f3 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-24116) 02/28/26 _x86_64_ (4 CPU) 08:26:34 LINUX RESTART (4 CPU) 08:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 6.87 0.35 6.04 0.48 220.22 1136.08 26548.53 08:50:16 17.79 0.52 15.95 1.32 19.03 2300.42 9965.65 Average: 12.43 0.44 11.09 0.91 117.75 1729.10 18102.53 08:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 8535620 11644880 4317296 26.37 115292 3157112 4549956 26.12 562184 6935748 1284 08:50:16 9074904 12914012 3043868 18.59 136792 3825928 3304820 18.97 777112 6136848 272712 Average: 8805262 12279446 3680582 22.48 126042 3491520 3927388 22.54 669648 6536298 136998 08:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 08:40:01 ens3 22.17 15.94 221.33 2.85 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:16 lo 500.97 500.97 477.09 477.09 0.00 0.00 0.00 0.00 08:50:16 ens3 36.97 25.20 399.89 3.64 0.00 0.00 0.00 0.00 08:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 255.48 255.48 243.18 243.18 0.00 0.00 0.00 0.00 Average: ens3 29.71 20.66 312.28 3.25 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-24116) 02/28/26 _x86_64_ (4 CPU) 08:26:34 LINUX RESTART (4 CPU) 08:30:09 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 46.93 0.00 0.72 0.07 0.08 52.20 08:40:01 0 42.82 0.00 0.61 0.03 0.07 56.46 08:40:01 1 48.47 0.00 0.90 0.15 0.08 50.39 08:40:01 2 40.20 0.00 0.61 0.03 0.08 59.08 08:40:01 3 56.23 0.00 0.76 0.06 0.07 42.87 08:50:16 all 52.85 0.00 1.29 0.06 0.08 45.72 08:50:16 0 45.18 0.00 1.29 0.03 0.08 53.42 08:50:16 1 57.97 0.00 1.24 0.09 0.08 40.62 08:50:16 2 62.90 0.00 1.34 0.09 0.08 35.59 08:50:16 3 45.33 0.00 1.31 0.04 0.08 53.25 Average: all 49.94 0.00 1.01 0.07 0.08 48.90 Average: 0 44.02 0.00 0.96 0.03 0.07 54.91 Average: 1 53.31 0.00 1.07 0.12 0.08 45.42 Average: 2 51.76 0.00 0.98 0.06 0.08 47.12 Average: 3 50.68 0.00 1.04 0.05 0.08 48.15