---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28572 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 749 9398 4 5841 14897 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:68:17:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84142sec preferred_lft 84142sec inet6 fe80::f816:3eff:fe68:1760/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:a8:f9:6d:a8:45 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-28572) 06/19/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 19.55 3.14 15.25 1.16 565.24 4545.59 2220.36 06:50:19 29.76 0.04 26.24 3.48 1.20 2715.55 31060.01 07:00:04 33.48 0.02 16.50 16.95 1.10 5399.98 244361.79 Average: 27.65 1.04 19.47 7.14 184.96 4190.95 91511.72 06:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 8864900 12903996 3051564 18.64 155304 3966272 3299212 18.94 823248 6244224 214924 06:50:19 9213944 13474184 2479076 15.14 172284 4146644 2687688 15.43 914480 5780472 81836 07:00:04 9810664 15418448 528124 3.23 207048 5374820 1038356 5.96 1053052 4944760 343992 Average: 9296503 13932209 2019588 12.33 178212 4495912 2341752 13.44 930260 5656485 213584 06:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 368.54 368.54 350.82 350.82 0.00 0.00 0.00 0.00 06:40:01 ens3 108.52 77.07 976.61 15.62 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 06:50:19 lo 1540.89 1540.89 1468.97 1468.97 0.00 0.00 0.00 0.00 06:50:19 ens3 44.02 34.99 124.98 11.29 0.00 0.00 0.00 0.00 06:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:04 lo 287.39 287.39 272.84 272.84 0.00 0.00 0.00 0.00 07:00:04 ens3 47.12 37.99 109.68 11.84 0.00 0.00 0.00 0.00 07:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 748.39 748.39 712.92 712.92 0.00 0.00 0.00 0.00 Average: ens3 66.05 49.68 397.49 12.88 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-28572) 06/19/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:19 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 51.56 0.00 1.78 0.23 0.14 46.30 06:40:01 0 48.50 0.00 1.80 0.15 0.14 49.41 06:40:01 1 52.02 0.00 1.85 0.29 0.14 45.70 06:40:01 2 52.00 0.00 1.53 0.27 0.13 46.07 06:40:01 3 53.71 0.00 1.96 0.19 0.14 44.00 06:50:19 all 56.73 0.00 2.55 1.55 0.16 39.02 06:50:19 0 56.96 0.00 2.65 1.64 0.17 38.57 06:50:19 1 57.76 0.00 2.44 1.00 0.15 38.65 06:50:19 2 57.85 0.00 2.86 2.49 0.16 36.64 06:50:19 3 54.33 0.00 2.24 1.08 0.16 42.20 07:00:04 all 59.00 0.00 2.11 0.25 0.15 38.49 07:00:04 0 58.36 0.00 2.29 0.15 0.15 39.05 07:00:04 1 61.85 0.00 2.17 0.36 0.16 35.45 07:00:04 2 58.94 0.00 2.13 0.20 0.15 38.57 07:00:04 3 56.85 0.00 1.83 0.29 0.15 40.89 Average: all 55.78 0.00 2.15 0.69 0.15 41.22 Average: 0 54.66 0.00 2.26 0.66 0.15 42.27 Average: 1 57.23 0.00 2.16 0.56 0.15 39.90 Average: 2 56.30 0.00 2.19 1.01 0.15 40.36 Average: 3 54.95 0.00 2.01 0.53 0.15 42.36