---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4942 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 711 9551 4 5726 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:9c:57:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84099sec preferred_lft 84099sec inet6 fe80::f816:3eff:fe9c:5791/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:78:1b:02:8a:d5 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-4942) 04/20/26 _x86_64_ (4 CPU) 20:22:28 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 32.37 0.43 27.39 4.54 13.88 4474.15 16039.13 20:50:00 49.58 0.00 40.19 9.38 0.00 2904.57 39766.51 21:00:00 17.72 0.30 14.80 2.62 12.24 3769.04 5298.31 Average: 33.22 0.25 27.46 5.51 8.71 3715.92 20367.98 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9432016 13512568 2440576 14.91 183608 3954304 2708528 15.55 753868 5717980 12132 20:50:00 8704228 13249436 2699308 16.49 216780 4341096 2964668 17.02 871536 6290136 25588 21:00:00 9816172 15314232 631020 3.85 239740 5229276 1156264 6.64 1206488 4785876 14488 Average: 9317472 14025412 1923635 11.75 213376 4508225 2276487 13.07 943964 5597997 17403 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 2083.89 2083.89 1986.40 1986.40 0.00 0.00 0.00 0.00 20:40:00 ens3 102.31 73.82 323.70 21.63 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5221.44 5221.44 4979.00 4979.00 0.00 0.00 0.00 0.00 20:50:00 ens3 89.07 65.81 28.87 22.00 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1024.93 1024.93 955.41 955.41 0.00 0.00 0.00 0.00 21:00:00 ens3 146.24 147.42 132.32 599.18 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2776.76 2776.76 2640.27 2640.27 0.00 0.00 0.00 0.00 Average: ens3 112.54 95.68 161.63 214.27 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-4942) 04/20/26 _x86_64_ (4 CPU) 20:22:28 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 65.53 0.00 3.04 0.07 0.09 31.28 20:40:00 0 64.83 0.00 2.82 0.05 0.09 32.20 20:40:00 1 65.71 0.00 3.18 0.07 0.08 30.96 20:40:00 2 67.08 0.00 3.01 0.12 0.09 29.70 20:40:00 3 64.48 0.00 3.13 0.04 0.09 32.26 20:50:00 all 62.92 0.00 4.04 0.14 0.09 32.81 20:50:00 0 62.10 0.00 4.12 0.17 0.08 33.53 20:50:00 1 63.24 0.00 4.01 0.17 0.08 32.50 20:50:00 2 63.83 0.00 4.05 0.14 0.09 31.90 20:50:00 3 62.52 0.00 3.98 0.09 0.08 33.32 21:00:00 all 35.68 0.00 1.60 0.07 0.07 62.58 21:00:00 0 34.64 0.00 1.64 0.06 0.07 63.59 21:00:00 1 29.65 0.00 1.90 0.11 0.07 68.28 21:00:00 2 39.14 0.00 1.34 0.05 0.07 59.40 21:00:00 3 39.29 0.00 1.50 0.08 0.07 59.05 Average: all 54.70 0.00 2.89 0.09 0.08 42.24 Average: 0 53.84 0.00 2.86 0.09 0.08 43.12 Average: 1 52.85 0.00 3.03 0.11 0.08 43.92 Average: 2 56.68 0.00 2.80 0.10 0.08 40.34 Average: 3 55.42 0.00 2.87 0.07 0.08 41.55