---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-554 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 12G 67G 15% / 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 735 9627 4 5625 14911 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:50:c9:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84332sec preferred_lft 84332sec inet6 fe80::f816:3eff:fe50:c9f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:41:8c:96:1a:6f 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-554) 07/30/26 _x86_64_ (4 CPU) 06:26:27 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 19.71 2.66 15.82 1.22 147.42 4394.52 5371.67 06:50:08 34.51 0.04 30.78 3.68 1.27 3194.16 19607.96 07:00:01 18.44 0.15 15.86 2.43 10.49 5561.70 2026.26 Average: 24.27 0.95 20.87 2.45 53.03 4375.19 9063.43 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9743848 13437796 2519560 15.39 152968 3630228 2852312 16.37 689736 5510904 14988 06:50:08 9048412 13309480 2643012 16.14 185268 4118696 2783736 15.98 846616 5993684 20464 07:00:01 9868808 15268728 677780 4.14 205184 5172212 1159980 6.66 917408 5014748 10796 Average: 9553689 14005335 1946784 11.89 181140 4307045 2265343 13.00 817920 5506445 15416 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 472.22 472.22 449.69 449.69 0.00 0.00 0.00 0.00 06:40:01 ens3 111.46 82.89 829.53 16.77 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:08 lo 1619.22 1619.22 1543.19 1543.19 0.00 0.00 0.00 0.00 06:50:08 ens3 50.37 38.41 118.17 12.02 0.00 0.00 0.00 0.00 06:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 12.01 12.01 1.21 1.21 0.00 0.00 0.00 0.00 07:00:01 ens3 79.79 76.80 126.61 231.63 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 706.77 706.77 670.08 670.08 0.00 0.00 0.00 0.00 Average: ens3 80.44 65.90 358.07 86.04 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-554) 07/30/26 _x86_64_ (4 CPU) 06:26:27 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 51.95 0.00 1.75 0.09 0.11 46.10 06:40:01 0 49.43 0.00 1.52 0.10 0.11 48.83 06:40:01 1 54.77 0.00 2.07 0.08 0.12 42.97 06:40:01 2 50.49 0.00 1.80 0.09 0.11 47.51 06:40:01 3 53.11 0.00 1.61 0.08 0.11 45.08 06:50:08 all 62.13 0.00 2.65 0.10 0.14 34.98 06:50:08 0 61.90 0.00 2.49 0.10 0.14 35.37 06:50:08 1 62.13 0.00 2.85 0.13 0.13 34.76 06:50:08 2 62.51 0.00 2.52 0.08 0.14 34.75 06:50:08 3 61.99 0.00 2.75 0.07 0.14 35.05 07:00:01 all 45.65 0.00 1.60 0.08 0.11 52.55 07:00:01 0 43.14 0.00 1.49 0.04 0.11 55.21 07:00:01 1 47.88 0.00 1.68 0.02 0.12 50.30 07:00:01 2 43.28 0.00 1.51 0.13 0.11 54.96 07:00:01 3 48.31 0.00 1.73 0.11 0.11 49.73 Average: all 53.29 0.00 2.01 0.09 0.12 44.49 Average: 0 51.55 0.00 1.84 0.08 0.12 46.41 Average: 1 54.97 0.00 2.20 0.07 0.12 42.63 Average: 2 52.15 0.00 1.95 0.10 0.12 45.68 Average: 3 54.51 0.00 2.03 0.09 0.12 43.25