---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19733 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: 5599.86 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 66G 16% / 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 669 8894 4 6425 14977 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:0f:8d:6b 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 84226sec preferred_lft 84226sec inet6 fe80::f816:3eff:fe0f:8d6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:ab:93:e7:a5:fc 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-19733) 05/25/26 _x86_64_ (4 CPU) 05:24:00 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 24.12 0.41 20.82 2.88 18.74 2214.38 5159.48 05:50:01 31.94 0.01 28.66 3.27 0.20 2577.85 10940.42 06:00:01 15.86 0.33 13.64 1.89 14.29 7640.39 39919.72 Average: 23.97 0.25 21.04 2.68 11.09 4143.95 18668.83 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 9366616 13014224 2943488 17.98 140392 3619960 3066792 17.60 695176 5917872 27248 05:50:01 8389024 13059260 2893564 17.67 159992 4576888 2953924 16.96 977688 6562444 591272 06:00:01 9167552 15390696 555932 3.40 177848 6059112 1080920 6.20 1575492 5111232 12296 Average: 8974397 13821393 2130995 13.02 159411 4751987 2367212 13.59 1082785 5863849 210272 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 1379.36 1379.36 1308.45 1308.45 0.00 0.00 0.00 0.00 05:40:02 ens3 44.58 34.95 53.44 13.74 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1502.34 1502.34 1431.36 1431.36 0.00 0.00 0.00 0.00 05:50:01 ens3 47.36 34.43 41.94 12.98 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 372.74 372.74 6844.34 6844.34 0.00 0.00 0.00 0.00 06:00:01 ens3 89.86 95.15 117.96 1004.25 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1084.71 1084.71 3194.64 3194.64 0.00 0.00 0.00 0.00 Average: ens3 60.60 54.84 71.12 343.66 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-19733) 05/25/26 _x86_64_ (4 CPU) 05:24:00 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 69.88 0.00 2.45 0.07 0.12 27.49 05:40:02 0 70.79 0.00 2.30 0.06 0.11 26.74 05:40:02 1 69.30 0.00 2.60 0.03 0.12 27.95 05:40:02 2 70.62 0.00 2.65 0.04 0.12 26.57 05:40:02 3 68.80 0.00 2.25 0.14 0.12 28.69 05:50:01 all 63.08 0.00 2.62 0.07 0.10 34.13 05:50:01 0 64.16 0.00 2.44 0.08 0.10 33.22 05:50:01 1 65.17 0.00 2.90 0.12 0.11 31.70 05:50:01 2 61.86 0.00 2.94 0.05 0.10 35.05 05:50:01 3 61.11 0.00 2.21 0.03 0.10 36.55 06:00:01 all 30.30 0.00 1.24 0.46 0.08 67.92 06:00:01 0 26.65 0.00 0.97 1.60 0.08 70.70 06:00:01 1 29.87 0.00 1.43 0.06 0.08 68.56 06:00:01 2 34.90 0.00 1.32 0.14 0.08 63.56 06:00:01 3 29.79 0.00 1.23 0.03 0.08 68.87 Average: all 54.41 0.00 2.10 0.20 0.10 43.19 Average: 0 53.85 0.00 1.90 0.58 0.10 43.57 Average: 1 54.77 0.00 2.31 0.07 0.10 42.75 Average: 2 55.79 0.00 2.30 0.08 0.10 41.73 Average: 3 53.23 0.00 1.89 0.07 0.10 44.71