---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11939 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 724 9511 4 5753 14922 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:cf:88:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84282sec preferred_lft 84282sec inet6 fe80::f816:3eff:fecf:88b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:81:62:d6:62:22 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-11939) 05/08/26 _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 24.44 3.12 19.61 1.71 565.28 5046.95 4735.43 06:50:19 32.08 0.04 28.58 3.45 1.53 3231.18 12087.79 07:00:19 16.81 0.29 14.47 2.05 11.48 5256.99 1787.07 Average: 24.52 1.12 20.98 2.42 187.17 4493.43 6277.70 06:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9499704 13347916 2608640 15.93 154352 3787328 3048240 17.50 832260 5629320 22328 06:50:19 8226416 13073632 2877556 17.57 189928 4686836 3208020 18.41 1048268 6599696 418932 07:00:19 9855664 15385684 560936 3.43 205868 5306380 1103608 6.33 1049508 4916372 20 Average: 9193928 13935744 2015711 12.31 183383 4593515 2453289 14.08 976679 5715129 147093 06:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 622.63 622.63 593.29 593.29 0.00 0.00 0.00 0.00 06:40:01 ens3 112.84 84.93 981.52 17.89 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 1577.47 1577.47 1503.66 1503.66 0.00 0.00 0.00 0.00 06:50:19 ens3 54.55 41.07 189.65 12.25 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 07:00:19 lo 10.82 10.82 1.10 1.10 0.00 0.00 0.00 0.00 07:00:19 ens3 55.53 55.30 37.28 202.89 0.00 0.00 0.00 0.00 07:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.65 746.65 708.57 708.57 0.00 0.00 0.00 0.00 Average: ens3 73.73 60.00 394.98 77.60 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-11939) 05/08/26 _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 56.35 0.00 1.97 0.10 0.09 41.49 06:40:01 0 55.26 0.00 1.51 0.08 0.09 43.06 06:40:01 1 58.93 0.00 2.14 0.08 0.09 38.77 06:40:01 2 55.12 0.00 2.11 0.11 0.09 42.58 06:40:01 3 56.10 0.00 2.13 0.13 0.09 41.55 06:50:19 all 59.41 0.00 2.51 0.06 0.10 37.92 06:50:19 0 59.66 0.00 2.25 0.03 0.10 37.96 06:50:19 1 62.14 0.00 2.41 0.07 0.10 35.28 06:50:19 2 57.50 0.00 2.37 0.08 0.10 39.95 06:50:19 3 58.34 0.00 3.00 0.06 0.10 38.50 07:00:19 all 35.94 0.00 1.15 0.06 0.07 62.79 07:00:19 0 31.86 0.00 0.85 0.02 0.06 67.21 07:00:19 1 41.35 0.00 1.53 0.02 0.07 57.03 07:00:19 2 35.72 0.00 1.08 0.17 0.07 62.95 07:00:19 3 34.81 0.00 1.12 0.04 0.07 63.96 Average: all 50.59 0.00 1.88 0.07 0.09 47.37 Average: 0 48.96 0.00 1.55 0.04 0.08 49.37 Average: 1 54.16 0.00 2.03 0.06 0.09 43.67 Average: 2 49.47 0.00 1.86 0.12 0.09 48.47 Average: 3 49.77 0.00 2.09 0.07 0.09 47.98