---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20763 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 666 8165 4 7156 14980 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:07:59:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83817sec preferred_lft 83817sec inet6 fe80::f816:3eff:fe07:599a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:88:b1:62:ba:ea 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-20763) 05/27/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 22.14 0.07 19.45 2.62 6.63 2169.72 6036.05 19:30:01 34.50 0.02 31.05 3.44 0.27 4629.35 11886.34 19:40:12 8.30 0.02 8.07 0.21 0.25 6087.80 1172.87 Average: 21.49 0.04 19.38 2.07 2.38 4304.57 6299.38 19:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 8968356 12908724 3047780 18.61 146920 3894184 3100304 17.80 789580 6210104 101480 19:30:01 7537988 12411960 3540088 21.62 165496 4767108 3452832 19.82 1067580 7310000 2760 19:40:12 6189352 12849744 3095708 18.91 184084 6475140 3084320 17.70 1724508 7936268 40900 Average: 7565232 12723476 3227859 19.71 165500 5045477 3212485 18.44 1193889 7152124 48380 19:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1272.48 1272.48 1206.25 1206.25 0.00 0.00 0.00 0.00 19:20:12 ens3 39.22 32.15 45.25 11.56 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1379.03 1379.03 1314.03 1314.03 0.00 0.00 0.00 0.00 19:30:01 ens3 46.48 37.55 30.98 13.27 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 2501.70 2501.70 9122.35 9122.35 0.00 0.00 0.00 0.00 19:40:12 ens3 17.57 15.98 123.45 3.90 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1724.62 1724.62 3928.77 3928.77 0.00 0.00 0.00 0.00 Average: ens3 34.25 28.43 67.13 9.52 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-20763) 05/27/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:12 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 64.71 0.00 2.33 0.16 0.12 32.68 19:20:12 0 65.39 0.00 2.31 0.07 0.12 32.10 19:20:12 1 65.29 0.00 2.30 0.08 0.12 32.21 19:20:12 2 64.46 0.00 2.22 0.30 0.12 32.90 19:20:12 3 63.71 0.00 2.47 0.19 0.12 33.51 19:30:01 all 62.94 0.00 2.51 0.10 0.12 34.32 19:30:01 0 60.90 0.00 2.23 0.16 0.12 36.59 19:30:01 1 61.19 0.00 2.85 0.05 0.12 35.79 19:30:01 2 63.72 0.00 2.31 0.12 0.12 33.72 19:30:01 3 65.95 0.00 2.66 0.07 0.12 31.19 19:40:12 all 32.19 0.00 1.28 0.38 0.11 66.04 19:40:12 0 33.18 0.00 1.22 1.02 0.10 64.49 19:40:12 1 30.89 0.00 1.26 0.05 0.10 67.70 19:40:12 2 32.58 0.00 1.60 0.17 0.10 65.54 19:40:12 3 32.13 0.00 1.03 0.29 0.14 66.42 Average: all 53.08 0.00 2.03 0.22 0.12 44.55 Average: 0 52.98 0.00 1.91 0.42 0.11 44.57 Average: 1 52.25 0.00 2.13 0.06 0.11 45.45 Average: 2 53.40 0.00 2.04 0.20 0.11 44.24 Average: 3 53.69 0.00 2.04 0.18 0.13 43.95