---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21961 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 732 9567 4 5689 14914 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:f6:79:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fef6:79e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:fc:11:ac:4b:77 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-21961) 05/31/26 _x86_64_ (4 CPU) 12:35:18 LINUX RESTART (4 CPU) 12:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:09 24.63 0.56 21.86 2.22 19.37 4057.54 5537.71 13:00:09 30.27 0.04 27.14 3.09 1.55 6145.30 11603.55 Average: 27.45 0.30 24.50 2.65 10.45 5101.95 8572.17 12:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:09 8822176 12788048 3167204 19.34 158908 3882192 3452828 19.82 751588 6352248 179128 13:00:09 8029060 13252120 2697412 16.47 187860 5045388 3244376 18.62 1027568 6805768 39632 Average: 8425618 13020084 2932308 17.91 173384 4463790 3348602 19.22 889578 6579008 109380 12:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:09 lo 984.77 984.77 938.61 938.61 0.00 0.00 0.00 0.00 12:50:09 ens3 67.33 50.68 329.32 14.00 0.00 0.00 0.00 0.00 12:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 1174.87 1174.87 1119.29 1119.29 0.00 0.00 0.00 0.00 13:00:09 ens3 52.68 42.05 233.66 12.15 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1079.87 1079.87 1029.00 1029.00 0.00 0.00 0.00 0.00 Average: ens3 60.00 46.36 281.46 13.08 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-21961) 05/31/26 _x86_64_ (4 CPU) 12:35:18 LINUX RESTART (4 CPU) 12:40:09 CPU %user %nice %system %iowait %steal %idle 12:50:09 all 61.66 0.00 2.15 0.57 0.11 35.52 12:50:09 0 61.45 0.00 2.01 0.41 0.11 36.02 12:50:09 1 61.57 0.00 2.09 0.85 0.11 35.38 12:50:09 2 61.91 0.00 2.39 0.85 0.11 34.75 12:50:09 3 61.70 0.00 2.09 0.17 0.11 35.94 13:00:09 all 54.76 0.00 2.40 0.09 0.11 42.64 13:00:09 0 55.11 0.00 2.31 0.06 0.11 42.42 13:00:09 1 54.85 0.00 2.44 0.08 0.11 42.52 13:00:09 2 55.31 0.00 2.42 0.11 0.11 42.05 13:00:09 3 53.77 0.00 2.46 0.09 0.11 43.57 Average: all 58.21 0.00 2.27 0.33 0.11 39.08 Average: 0 58.28 0.00 2.16 0.23 0.11 39.22 Average: 1 58.21 0.00 2.27 0.47 0.11 38.95 Average: 2 58.61 0.00 2.40 0.48 0.11 38.40 Average: 3 57.73 0.00 2.27 0.13 0.11 39.76