---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19818 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 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 674 10287 4 5027 14972 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:33:be:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81662sec preferred_lft 81662sec inet6 fe80::f816:3eff:fe33:be70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:6f:4d:8a:c3:50 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-19818) 05/25/26 _x86_64_ (4 CPU) 08:17:55 LINUX RESTART (4 CPU) 08:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:04 3.97 0.43 3.31 0.24 415.01 412.99 5106.20 08:40:08 1.40 0.01 1.39 0.00 0.19 15.68 0.00 08:50:00 1.29 0.00 1.29 0.00 0.00 14.11 0.00 09:00:00 1.38 0.00 1.38 0.00 0.00 15.62 0.00 09:10:01 37.21 2.23 34.37 0.60 134.01 2628.09 1147.88 09:20:08 12.21 1.89 9.58 0.73 122.47 2602.09 2002.67 09:30:01 28.20 0.79 24.23 3.19 28.42 3147.23 4884.86 Average: 12.26 0.77 10.82 0.68 98.84 1266.76 1860.06 08:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:04 13547040 15524384 491724 3.00 57504 2145020 1147868 6.59 337496 2225896 252 08:40:08 13546888 15524896 491188 3.00 58100 2145076 1147868 6.59 338088 2226824 52 08:50:00 13548048 15526780 489328 2.99 58676 2145208 1147932 6.59 338664 2231104 8 09:00:00 13544704 15524072 492060 3.01 59308 2145220 1148188 6.59 339272 2240604 4 09:10:01 12834472 15521588 451672 2.76 103204 2772316 1007336 5.78 482192 2725632 224 09:20:08 10482064 13999020 1960468 11.97 134652 3506328 2366084 13.58 691308 4820484 22048 09:30:01 8815920 13210340 2741624 16.74 169876 4276652 2823848 16.21 908120 6185888 81172 Average: 12331305 14975869 1016866 6.21 91617 2733689 1541303 8.85 490734 3236633 14823 08:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:04 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 08:30:04 ens3 12.88 8.31 133.72 0.58 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:08 ens3 0.41 0.11 0.08 0.04 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:00 ens3 0.61 0.23 0.21 0.13 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:00 ens3 1.34 0.93 0.35 0.95 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 09:10:01 ens3 50.47 35.49 342.25 7.46 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:08 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 09:20:08 ens3 88.08 67.54 575.40 15.75 0.00 0.00 0.00 0.00 09:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1506.06 1506.06 1435.54 1435.54 0.00 0.00 0.00 0.00 09:30:01 ens3 84.22 61.39 337.62 18.12 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 214.19 214.19 203.95 203.95 0.00 0.00 0.00 0.00 Average: ens3 34.14 24.97 199.44 6.18 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-19818) 05/25/26 _x86_64_ (4 CPU) 08:17:55 LINUX RESTART (4 CPU) 08:20:23 CPU %user %nice %system %iowait %steal %idle 08:30:04 all 0.41 0.00 0.11 0.06 0.01 99.40 08:30:04 0 0.49 0.00 0.13 0.07 0.01 99.29 08:30:04 1 0.39 0.00 0.14 0.09 0.02 99.37 08:30:04 2 0.48 0.00 0.08 0.03 0.01 99.41 08:30:04 3 0.29 0.00 0.09 0.07 0.00 99.55 08:40:08 all 0.24 0.00 0.04 0.01 0.01 99.70 08:40:08 0 0.03 0.00 0.03 0.04 0.01 99.89 08:40:08 1 0.38 0.00 0.03 0.00 0.01 99.58 08:40:08 2 0.49 0.00 0.04 0.00 0.01 99.46 08:40:08 3 0.06 0.00 0.04 0.02 0.01 99.87 08:50:00 all 0.12 0.00 0.03 0.01 0.01 99.83 08:50:00 0 0.03 0.00 0.03 0.00 0.01 99.93 08:50:00 1 0.31 0.00 0.04 0.00 0.01 99.64 08:50:00 2 0.04 0.00 0.04 0.00 0.01 99.91 08:50:00 3 0.08 0.00 0.03 0.03 0.01 99.85 09:00:00 all 0.04 0.00 0.04 0.01 0.01 99.91 09:00:00 0 0.02 0.00 0.02 0.00 0.01 99.95 09:00:00 1 0.05 0.00 0.06 0.00 0.02 99.86 09:00:00 2 0.07 0.00 0.02 0.00 0.00 99.90 09:00:00 3 0.03 0.00 0.03 0.02 0.00 99.91 09:10:01 all 2.96 0.00 0.39 0.47 0.09 96.09 09:10:01 0 1.84 0.00 0.36 0.39 0.05 97.34 09:10:01 1 2.36 0.00 0.36 0.45 0.10 96.74 09:10:01 2 5.59 0.00 0.52 0.91 0.09 92.88 09:10:01 3 2.05 0.00 0.31 0.12 0.13 97.39 09:20:08 all 51.75 0.00 1.72 0.05 0.11 46.37 09:20:08 0 50.59 0.00 1.78 0.04 0.11 47.48 09:20:08 1 52.36 0.00 1.70 0.04 0.11 45.79 09:20:08 2 53.09 0.00 1.78 0.06 0.12 44.96 09:20:08 3 50.93 0.00 1.63 0.06 0.11 47.27 09:30:01 all 69.74 0.00 2.83 0.04 0.14 27.26 09:30:01 0 69.01 0.00 2.77 0.02 0.13 28.06 09:30:01 1 70.30 0.00 2.87 0.06 0.14 26.64 09:30:01 2 69.86 0.00 2.72 0.03 0.14 27.25 09:30:01 3 69.77 0.00 2.94 0.06 0.14 27.09 Average: all 17.94 0.00 0.74 0.09 0.05 81.18 Average: 0 17.47 0.00 0.73 0.08 0.05 81.66 Average: 1 18.07 0.00 0.74 0.09 0.06 81.04 Average: 2 18.57 0.00 0.74 0.15 0.05 80.48 Average: 3 17.64 0.00 0.72 0.05 0.06 81.53