---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8238 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: 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 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 692 9694 4 5601 14953 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:37:83:9c 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 84621sec preferred_lft 84621sec inet6 fe80::f816:3eff:fe37:839c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:0f:42:f7:35:78 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-8238) 04/26/26 _x86_64_ (4 CPU) 12:35:19 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 28.14 0.55 24.76 2.84 18.86 3781.70 11689.34 13:00:10 28.33 0.03 25.35 2.95 1.28 5952.73 10405.17 Average: 28.24 0.29 25.05 2.90 10.02 4873.49 11043.54 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9713536 13435720 2520120 15.39 158256 3652516 2799532 16.07 723604 5495364 10148 13:00:10 7709084 12843748 3105488 18.97 184848 4965512 3380708 19.41 1020968 7141004 35676 Average: 8711310 13139734 2812804 17.18 171552 4309014 3090120 17.74 872286 6318184 22912 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 1311.12 1311.12 1249.85 1249.85 0.00 0.00 0.00 0.00 12:50:02 ens3 77.16 55.13 329.77 14.96 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:10 lo 937.59 937.59 893.20 893.20 0.00 0.00 0.00 0.00 13:00:10 ens3 56.38 42.67 230.76 12.22 0.00 0.00 0.00 0.00 13:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1123.28 1123.28 1070.49 1070.49 0.00 0.00 0.00 0.00 Average: ens3 66.71 48.86 279.98 13.58 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-8238) 04/26/26 _x86_64_ (4 CPU) 12:35:19 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 63.34 0.00 2.31 0.06 0.08 34.20 12:50:02 0 63.08 0.00 2.61 0.10 0.08 34.13 12:50:02 1 63.25 0.00 1.99 0.04 0.09 34.63 12:50:02 2 62.45 0.00 2.28 0.06 0.09 35.12 12:50:02 3 64.59 0.00 2.35 0.06 0.09 32.91 13:00:10 all 58.93 0.00 2.17 0.07 0.08 38.75 13:00:10 0 60.54 0.00 2.36 0.08 0.08 36.94 13:00:10 1 56.52 0.00 1.92 0.06 0.08 41.41 13:00:10 2 60.96 0.00 2.28 0.09 0.08 36.59 13:00:10 3 57.71 0.00 2.10 0.04 0.08 40.07 Average: all 61.13 0.00 2.24 0.07 0.08 36.49 Average: 0 61.80 0.00 2.49 0.09 0.08 35.54 Average: 1 59.87 0.00 1.96 0.05 0.08 38.04 Average: 2 61.70 0.00 2.28 0.08 0.08 35.86 Average: 3 61.14 0.00 2.23 0.05 0.08 36.51