---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37171 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 656 8817 4 6515 14990 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:ae:09:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84491sec preferred_lft 84491sec inet6 fe80::f816:3eff:feae:9b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:df:e9:58:36:7b 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37171) 03/25/26 _x86_64_ (4 CPU) 09:29:15 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:00 59.06 4.79 50.87 3.40 274.32 6193.39 6171.72 09:50:01 25.29 0.02 22.76 2.51 0.25 2161.84 7446.31 10:00:01 19.15 0.03 17.41 1.71 0.37 8843.76 5696.60 Average: 34.49 1.61 30.34 2.54 91.54 5731.47 6438.69 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:00 9936020 13339752 2618920 16.00 133992 3404220 2649584 15.21 653996 5401108 21508 09:50:01 8397364 12420644 3534376 21.59 154500 3959440 3586008 20.58 800020 6753316 238932 10:00:01 9162708 15463572 484528 2.96 180324 6136000 1004820 5.77 1626168 5068252 33848 Average: 9165364 13741323 2212608 13.51 156272 4499887 2413471 13.85 1026728 5740892 98096 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:00 lo 1518.50 1518.50 1440.98 1440.98 0.00 0.00 0.00 0.00 09:40:00 ens3 119.70 91.60 1097.14 17.75 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1142.67 1142.67 1088.66 1088.66 0.00 0.00 0.00 0.00 09:50:01 ens3 28.29 22.48 42.52 7.16 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 660.70 660.70 7242.61 7242.61 0.00 0.00 0.00 0.00 10:00:01 ens3 38.24 33.05 137.18 25.42 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1107.15 1107.15 3257.29 3257.29 0.00 0.00 0.00 0.00 Average: ens3 62.04 49.02 425.21 16.77 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37171) 03/25/26 _x86_64_ (4 CPU) 09:29:15 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:00 all 61.09 0.00 2.63 0.44 0.12 35.72 09:40:00 0 60.29 0.00 2.36 0.22 0.13 37.01 09:40:00 1 63.20 0.00 2.78 0.76 0.12 33.15 09:40:00 2 60.77 0.00 3.06 0.53 0.12 35.52 09:40:00 3 60.09 0.00 2.32 0.27 0.11 37.20 09:50:01 all 65.53 0.00 2.31 1.11 0.12 30.93 09:50:01 0 64.64 0.00 2.20 1.38 0.12 31.66 09:50:01 1 64.58 0.00 2.34 0.49 0.12 32.47 09:50:01 2 65.31 0.00 2.25 0.97 0.12 31.35 09:50:01 3 67.61 0.00 2.45 1.60 0.12 28.22 10:00:01 all 42.33 0.00 1.63 2.04 0.10 53.91 10:00:01 0 43.86 0.00 1.50 0.95 0.10 53.59 10:00:01 1 37.88 0.00 1.38 2.03 0.09 58.62 10:00:01 2 45.87 0.00 1.98 2.72 0.10 49.34 10:00:01 3 41.71 0.00 1.67 2.45 0.10 54.07 Average: all 56.31 0.00 2.19 1.20 0.11 40.19 Average: 0 56.25 0.00 2.02 0.85 0.11 40.77 Average: 1 55.20 0.00 2.16 1.09 0.11 41.43 Average: 2 57.31 0.00 2.43 1.41 0.11 38.74 Average: 3 56.46 0.00 2.15 1.44 0.11 39.84