---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12020 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 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 735 9641 4 5612 14911 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:9e:50:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84194sec preferred_lft 84194sec inet6 fe80::f816:3eff:fe9e:50d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:5f:35:67:90:d8 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-12020) 05/08/26 _x86_64_ (4 CPU) 12:38:25 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:04 24.07 3.53 19.24 1.31 182.74 5494.83 3142.72 13:00:15 34.77 0.04 31.08 3.65 1.24 3241.32 23930.81 13:10:01 19.63 0.30 17.10 2.23 12.06 5907.72 2302.18 Average: 26.26 1.29 22.56 2.40 65.62 4864.52 9922.93 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:04 9635172 13238896 2718576 16.60 150784 3550904 2989820 17.16 691564 5629556 16400 13:00:15 8749380 12929892 3022880 18.46 181888 4048836 3327924 19.10 853276 6300904 20792 13:10:01 9993648 15378224 569296 3.48 202260 5165708 1107056 6.35 921284 4904128 228 Average: 9459400 13849004 2103584 12.85 178311 4255149 2474933 14.21 822041 5611529 12473 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:04 lo 481.20 481.20 457.96 457.96 0.00 0.00 0.00 0.00 12:50:04 ens3 106.69 82.59 893.89 17.42 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:15 lo 1699.32 1699.32 1619.76 1619.76 0.00 0.00 0.00 0.00 13:00:15 ens3 52.31 37.62 136.44 10.77 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 2.89 2.89 0.28 0.28 0.00 0.00 0.00 0.00 13:10:01 ens3 49.59 40.72 110.11 47.94 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.90 738.90 703.26 703.26 0.00 0.00 0.00 0.00 Average: ens3 69.66 53.71 381.86 25.10 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-12020) 05/08/26 _x86_64_ (4 CPU) 12:38:25 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:04 all 50.24 0.00 1.73 0.08 0.09 47.86 12:50:04 0 47.98 0.00 1.79 0.08 0.09 50.07 12:50:04 1 49.46 0.00 1.91 0.12 0.09 48.42 12:50:04 2 50.46 0.00 1.58 0.11 0.09 47.77 12:50:04 3 53.07 0.00 1.64 0.03 0.09 45.17 13:00:15 all 60.86 0.00 2.54 0.09 0.10 36.40 13:00:15 0 60.18 0.00 2.38 0.13 0.11 37.21 13:00:15 1 61.62 0.00 2.42 0.06 0.11 35.80 13:00:15 2 61.39 0.00 2.51 0.09 0.11 35.90 13:00:15 3 60.26 0.00 2.83 0.10 0.10 36.70 13:10:01 all 41.59 0.00 1.33 6.38 0.08 50.61 13:10:01 0 40.99 0.00 1.12 2.66 0.08 55.14 13:10:01 1 43.56 0.00 1.70 1.58 0.08 53.08 13:10:01 2 38.82 0.00 1.16 14.83 0.08 45.10 13:10:01 3 42.99 0.00 1.34 6.46 0.08 49.13 Average: all 51.02 0.00 1.87 2.14 0.09 44.88 Average: 0 49.83 0.00 1.77 0.94 0.09 47.36 Average: 1 51.65 0.00 2.01 0.57 0.09 45.66 Average: 2 50.37 0.00 1.76 4.90 0.09 42.88 Average: 3 52.22 0.00 1.95 2.15 0.09 43.59