---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30845 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 13G 65G 17% / 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 685 8148 4 7155 14961 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:93:89:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83781sec preferred_lft 83781sec inet6 fe80::f816:3eff:fe93:89df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:3c:cc:4f:1c:a8 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-30845) 06/26/26 _x86_64_ (4 CPU) 13:23:30 LINUX RESTART (4 CPU) 13:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 22.15 0.08 19.55 2.53 6.98 2197.89 15169.24 13:50:18 30.00 0.01 26.88 3.12 0.14 2161.09 34244.77 14:00:12 7.51 0.02 6.89 0.60 0.32 2910.95 3859.00 Average: 20.01 0.03 17.88 2.09 2.42 2421.29 17992.32 13:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 9312856 13141940 2814684 17.19 144024 3790908 3024044 17.36 774968 5883372 16580 13:50:18 9105264 13272776 2681304 16.38 165260 4084616 2731516 15.68 873388 5955400 15700 14:00:12 5579708 10507860 5443888 33.25 171268 4812216 5119600 29.39 1091128 9207472 29780 Average: 7999276 12307525 3646625 22.27 160184 4229247 3625053 20.81 913161 7015415 20687 13:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 1269.03 1269.03 1202.79 1202.79 0.00 0.00 0.00 0.00 13:40:01 ens3 54.61 40.54 48.57 12.58 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:18 lo 1580.98 1580.98 1505.97 1505.97 0.00 0.00 0.00 0.00 13:50:18 ens3 34.20 26.59 21.31 9.26 0.00 0.00 0.00 0.00 13:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:12 lo 462.58 462.58 7056.14 7056.14 0.00 0.00 0.00 0.00 14:00:12 ens3 12.46 10.03 8.11 3.41 0.00 0.00 0.00 0.00 14:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1109.44 1109.44 3245.04 3245.04 0.00 0.00 0.00 0.00 Average: ens3 33.63 25.64 25.79 8.40 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-30845) 06/26/26 _x86_64_ (4 CPU) 13:23:30 LINUX RESTART (4 CPU) 13:30:18 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 67.01 0.00 2.33 0.05 0.11 30.50 13:40:01 0 67.09 0.00 2.63 0.08 0.11 30.10 13:40:01 1 65.64 0.00 2.35 0.06 0.11 31.85 13:40:01 2 65.94 0.00 2.07 0.03 0.11 31.85 13:40:01 3 69.39 0.00 2.28 0.02 0.11 28.20 13:50:18 all 58.35 0.00 2.47 4.62 0.09 34.47 13:50:18 0 59.04 0.00 2.61 4.79 0.09 33.46 13:50:18 1 58.88 0.00 2.71 12.40 0.09 25.92 13:50:18 2 58.02 0.00 2.34 0.98 0.09 38.57 13:50:18 3 57.48 0.00 2.20 0.32 0.09 39.92 14:00:12 all 32.81 0.00 1.01 0.12 0.07 65.98 14:00:12 0 38.86 0.00 0.77 0.10 0.07 60.19 14:00:12 1 28.98 0.00 1.16 0.03 0.07 69.76 14:00:12 2 30.39 0.00 1.08 0.26 0.07 68.19 14:00:12 3 33.00 0.00 1.03 0.11 0.08 65.78 Average: all 52.69 0.00 1.94 1.65 0.09 43.63 Average: 0 54.97 0.00 2.01 1.71 0.09 41.22 Average: 1 51.15 0.00 2.08 4.29 0.09 42.39 Average: 2 51.43 0.00 1.84 0.43 0.09 46.21 Average: 3 53.22 0.00 1.84 0.15 0.09 44.69