---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1239 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 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 652 10296 4 5040 14994 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:39:e7:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84190sec preferred_lft 84190sec inet6 fe80::f816:3eff:fe39:e75d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:11:90:f3:fb:c3 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-1239) 08/01/26 _x86_64_ (4 CPU) 17:09:35 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:24 45.83 7.96 36.92 0.95 1245.77 3887.27 23600.37 17:30:12 25.99 1.97 9.36 14.66 126.76 2801.63 245223.16 17:40:24 30.12 0.76 25.89 3.47 27.44 4166.63 3281.27 Average: 34.16 3.61 24.33 6.22 476.13 3630.85 88260.57 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:24 12827780 15514432 455500 2.78 103084 2769628 986648 5.66 360588 2838596 304 17:30:12 10587276 14146404 1812076 11.07 135976 3539248 2432328 13.96 581840 4804764 22768 17:40:24 8131760 12824072 3125700 19.09 171452 4554328 3608920 20.72 887540 6874368 2084 Average: 10515605 14161636 1797759 10.98 136837 3621068 2342632 13.45 609989 4839243 8385 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:24 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 17:20:24 ens3 79.50 55.12 867.50 10.30 0.00 0.00 0.00 0.00 17:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:12 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 17:30:12 ens3 96.56 75.94 656.99 17.65 0.00 0.00 0.00 0.00 17:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:24 lo 1566.16 1566.16 1492.61 1492.61 0.00 0.00 0.00 0.00 17:40:24 ens3 101.48 72.95 422.83 19.30 0.00 0.00 0.00 0.00 17:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 525.90 525.90 500.81 500.81 0.00 0.00 0.00 0.00 Average: ens3 92.38 67.82 650.42 15.69 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-1239) 08/01/26 _x86_64_ (4 CPU) 17:09:35 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:24 all 3.51 0.00 0.49 0.32 0.03 95.65 17:20:24 0 4.21 0.00 0.47 0.13 0.03 95.17 17:20:24 1 3.22 0.00 0.51 0.44 0.03 95.80 17:20:24 2 2.55 0.00 0.49 0.45 0.03 96.48 17:20:24 3 4.06 0.00 0.49 0.27 0.03 95.16 17:30:12 all 54.34 0.00 1.77 0.05 0.08 43.76 17:30:12 0 54.38 0.00 1.39 0.05 0.08 44.10 17:30:12 1 54.86 0.00 1.98 0.04 0.08 43.04 17:30:12 2 55.85 0.00 1.95 0.07 0.08 42.06 17:30:12 3 52.28 0.00 1.76 0.04 0.08 45.84 17:40:24 all 69.59 0.00 2.67 0.05 0.10 27.60 17:40:24 0 70.12 0.00 2.56 0.03 0.10 27.19 17:40:24 1 67.88 0.00 2.58 0.05 0.09 29.40 17:40:24 2 71.12 0.00 2.86 0.04 0.10 25.89 17:40:24 3 69.23 0.00 2.67 0.08 0.10 27.92 Average: all 42.02 0.00 1.63 0.14 0.07 56.13 Average: 0 42.45 0.00 1.47 0.07 0.07 55.94 Average: 1 41.49 0.00 1.68 0.18 0.07 56.59 Average: 2 42.71 0.00 1.76 0.19 0.07 55.27 Average: 3 41.44 0.00 1.63 0.13 0.07 56.73