---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52782 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: 5599.99 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 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 711 8387 4 6890 14935 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:5c:f3:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84197sec preferred_lft 84197sec inet6 fe80::f816:3eff:fe5c:f322/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:0c:ed:e7:0c:4e 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-52782) 03/25/26 _x86_64_ (4 CPU) 15:03:29 LINUX RESTART (4 CPU) 15:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 22.36 0.07 19.60 2.70 6.56 2271.70 2544.90 15:30:06 32.52 0.01 29.26 3.25 0.21 4514.52 9145.73 15:40:06 15.09 0.33 12.83 1.93 14.57 6561.23 2992.84 Average: 23.35 0.14 20.59 2.63 7.10 4455.32 4912.64 15:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 8461988 12399308 3556132 21.72 149924 3896464 3560304 20.44 869148 6639604 16392 15:30:06 7478420 12432848 3517680 21.48 173068 4843464 3373560 19.36 1156432 7285712 2872 15:40:06 8543228 15253428 690604 4.22 192084 6522928 1161676 6.67 1821636 5469276 22312 Average: 8161212 13361861 2588139 15.81 171692 5087619 2698513 15.49 1282405 6464864 13859 15:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 1275.10 1275.10 1208.11 1208.11 0.00 0.00 0.00 0.00 15:20:01 ens3 49.96 42.55 55.47 14.59 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:06 lo 1401.82 1401.82 1334.42 1334.42 0.00 0.00 0.00 0.00 15:30:06 ens3 42.96 33.72 48.71 11.74 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 250.86 250.86 6839.46 6839.46 0.00 0.00 0.00 0.00 15:40:06 ens3 93.84 104.91 151.84 1060.81 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 976.27 976.27 3127.68 3127.68 0.00 0.00 0.00 0.00 Average: ens3 62.23 60.37 85.32 362.37 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-52782) 03/25/26 _x86_64_ (4 CPU) 15:03:29 LINUX RESTART (4 CPU) 15:10:06 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 67.51 0.00 2.51 0.05 0.13 29.81 15:20:01 0 67.92 0.00 2.61 0.06 0.13 29.28 15:20:01 1 70.89 0.00 2.74 0.03 0.13 26.20 15:20:01 2 65.57 0.00 2.39 0.07 0.12 31.85 15:20:01 3 65.65 0.00 2.29 0.04 0.13 31.90 15:30:06 all 62.47 0.00 2.61 0.16 0.12 34.65 15:30:06 0 61.70 0.00 2.48 0.17 0.12 35.54 15:30:06 1 62.77 0.00 2.23 0.12 0.12 34.76 15:30:06 2 61.25 0.00 2.88 0.12 0.12 35.63 15:30:06 3 64.17 0.00 2.85 0.21 0.12 32.66 15:40:06 all 29.95 0.00 1.12 0.22 0.07 68.64 15:40:06 0 31.88 0.00 1.10 0.03 0.07 66.92 15:40:06 1 27.73 0.00 1.30 0.08 0.07 70.81 15:40:06 2 35.03 0.00 1.11 0.41 0.07 63.37 15:40:06 3 25.17 0.00 0.96 0.36 0.07 73.45 Average: all 53.26 0.00 2.08 0.14 0.11 44.41 Average: 0 53.79 0.00 2.06 0.09 0.11 43.96 Average: 1 53.74 0.00 2.09 0.08 0.11 43.99 Average: 2 53.92 0.00 2.13 0.20 0.10 43.64 Average: 3 51.59 0.00 2.03 0.20 0.10 46.07