---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38426 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 9504 4 5760 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:b4:cf:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84391sec preferred_lft 84391sec inet6 fe80::f816:3eff:feb4:cf59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:45:67:89:15:35 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-38426) 07/24/26 _x86_64_ (4 CPU) 15:48:02 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:00 19.97 2.90 16.06 1.01 155.92 5023.43 1088.31 16:10:08 60.65 11.76 31.79 17.10 131.06 3376.53 258623.58 16:20:01 24.92 0.15 22.02 2.75 10.07 6019.00 85300.06 Average: 35.34 4.98 23.34 7.02 99.47 4795.25 115814.29 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:00 9752964 13418232 2538332 15.50 151876 3604968 2767152 15.88 652644 5517088 55892 16:10:08 9060344 13350948 2600248 15.88 180840 4141792 2819540 16.18 870044 5943340 15876 16:20:01 9830164 15366924 578272 3.53 202740 5294732 1106540 6.35 961340 4989820 4 Average: 9547824 14045368 1905617 11.64 178485 4347164 2231077 12.81 828009 5483416 23924 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:00 lo 438.19 438.19 417.37 417.37 0.00 0.00 0.00 0.00 16:00:00 ens3 104.06 79.23 849.27 16.01 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:08 lo 1686.37 1686.37 1607.69 1607.69 0.00 0.00 0.00 0.00 16:10:08 ens3 50.88 38.69 138.20 11.24 0.00 0.00 0.00 0.00 16:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 117.88 117.88 103.52 103.52 0.00 0.00 0.00 0.00 16:20:01 ens3 72.93 66.47 121.58 196.29 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 754.20 754.20 715.97 715.97 0.00 0.00 0.00 0.00 Average: ens3 75.84 61.33 369.34 73.80 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-38426) 07/24/26 _x86_64_ (4 CPU) 15:48:02 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:00 all 48.17 0.00 1.62 0.18 0.17 49.86 16:00:00 0 47.98 0.00 1.39 0.27 0.21 50.15 16:00:00 1 48.37 0.00 1.54 0.30 0.21 49.59 16:00:00 2 49.39 0.00 1.82 0.04 0.11 48.65 16:00:00 3 46.95 0.00 1.73 0.11 0.18 51.04 16:10:08 all 62.36 0.08 2.69 0.13 0.14 34.61 16:10:08 0 64.00 0.03 2.45 0.09 0.14 33.30 16:10:08 1 62.19 0.08 2.62 0.16 0.14 34.80 16:10:08 2 61.65 0.11 2.89 0.16 0.14 35.05 16:10:08 3 61.60 0.09 2.79 0.10 0.14 35.28 16:20:01 all 48.94 0.00 1.65 0.07 0.10 49.25 16:20:01 0 45.82 0.00 1.56 0.11 0.09 52.42 16:20:01 1 51.51 0.00 1.94 0.08 0.10 46.37 16:20:01 2 53.33 0.00 1.82 0.03 0.10 44.71 16:20:01 3 45.10 0.00 1.27 0.06 0.10 53.48 Average: all 53.21 0.03 1.99 0.13 0.14 44.52 Average: 0 52.66 0.01 1.80 0.16 0.15 45.22 Average: 1 54.06 0.03 2.04 0.18 0.15 43.55 Average: 2 54.82 0.04 2.18 0.07 0.12 42.77 Average: 3 51.28 0.03 1.94 0.09 0.14 46.53