---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26062 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 9.9G 68G 13% / 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 636 10915 4 4437 15010 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:0e:20:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84905sec preferred_lft 84905sec inet6 fe80::f816:3eff:fe0e:2055/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:91:7a:c0:d2:7a 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-26062) 06/09/26 _x86_64_ (4 CPU) 03:05:51 LINUX RESTART (4 CPU) 03:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:03 26.86 2.39 10.42 14.06 536.77 2252.49 250894.58 03:30:34 16.66 0.51 14.06 2.10 20.07 3023.58 3964.24 Average: 21.59 1.42 12.30 7.87 269.62 2651.17 123222.53 03:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:03 11006108 14304236 1657296 10.12 122344 3320816 1986676 11.40 641820 4366912 34120 03:30:34 11208796 15393612 560800 3.43 163100 4079824 1063952 6.11 857876 3834972 27932 Average: 11107452 14848924 1109048 6.77 142722 3700320 1525314 8.76 749848 4100942 31026 03:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:03 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 03:20:03 ens3 77.76 57.35 807.84 10.93 0.00 0.00 0.00 0.00 03:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:34 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 03:30:34 ens3 71.07 55.87 191.06 17.87 0.00 0.00 0.00 0.00 03:30:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 74.30 56.58 488.95 14.52 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-26062) 06/09/26 _x86_64_ (4 CPU) 03:05:51 LINUX RESTART (4 CPU) 03:10:14 CPU %user %nice %system %iowait %steal %idle 03:20:03 all 27.36 0.00 0.98 0.11 0.05 71.50 03:20:03 0 26.74 0.00 0.96 0.14 0.05 72.11 03:20:03 1 27.85 0.00 1.00 0.15 0.05 70.94 03:20:03 2 26.71 0.00 0.88 0.10 0.06 72.25 03:20:03 3 28.16 0.00 1.06 0.04 0.06 70.68 03:30:34 all 69.28 0.00 2.17 0.07 0.11 28.37 03:30:34 0 65.85 0.00 2.33 0.17 0.11 31.55 03:30:34 1 71.11 0.00 2.29 0.04 0.11 26.45 03:30:34 2 68.83 0.00 1.90 0.02 0.10 29.15 03:30:34 3 71.34 0.00 2.18 0.04 0.11 26.32 Average: all 49.03 0.00 1.60 0.09 0.08 49.21 Average: 0 46.95 0.00 1.67 0.15 0.08 51.15 Average: 1 50.20 0.00 1.67 0.09 0.08 47.96 Average: 2 48.48 0.00 1.41 0.06 0.08 49.97 Average: 3 50.48 0.00 1.64 0.04 0.08 47.76