---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22467 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 11G 68G 14% / 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 685 10501 4 4802 14961 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:ad:70:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84726sec preferred_lft 84726sec inet6 fe80::f816:3eff:fead:70e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:55:77:50:6d:7f 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-22467) 06/02/26 _x86_64_ (4 CPU) 04:34:38 LINUX RESTART (4 CPU) 04:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:12 24.82 0.44 9.58 14.80 16.43 2099.91 240563.02 05:00:12 33.03 0.79 27.99 4.26 27.01 4127.11 12661.29 Average: 28.92 0.61 18.77 9.54 21.72 3112.35 126742.10 04:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:12 10115504 13649996 2307924 14.10 142888 3492916 2634984 15.12 627108 5225368 51220 05:00:12 10805452 15362552 588456 3.59 170880 4419544 1097712 6.30 897332 4170380 4 Average: 10460478 14506274 1448190 8.84 156884 3956230 1866348 10.71 762220 4697874 25612 04:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:12 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 04:50:12 ens3 59.39 47.77 93.90 15.68 0.00 0.00 0.00 0.00 04:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:12 lo 1771.16 1771.16 1681.43 1681.43 0.00 0.00 0.00 0.00 05:00:12 ens3 89.51 78.36 411.03 96.16 0.00 0.00 0.00 0.00 05:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 885.27 885.27 839.83 839.83 0.00 0.00 0.00 0.00 Average: ens3 74.43 63.05 252.28 55.88 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-22467) 06/02/26 _x86_64_ (4 CPU) 04:34:38 LINUX RESTART (4 CPU) 04:40:11 CPU %user %nice %system %iowait %steal %idle 04:50:12 all 72.46 0.00 2.48 0.03 0.09 24.94 04:50:12 0 72.98 0.00 2.45 0.03 0.10 24.45 04:50:12 1 71.34 0.00 2.37 0.04 0.09 26.16 04:50:12 2 73.51 0.00 2.67 0.03 0.09 23.71 04:50:12 3 72.00 0.00 2.44 0.04 0.09 25.44 05:00:12 all 58.39 0.00 2.74 0.08 0.08 38.70 05:00:12 0 61.59 0.00 2.99 0.08 0.08 35.25 05:00:12 1 53.74 0.00 2.89 0.05 0.08 43.24 05:00:12 2 58.38 0.00 2.49 0.14 0.08 38.91 05:00:12 3 59.84 0.00 2.61 0.06 0.08 37.40 Average: all 65.43 0.00 2.61 0.06 0.09 31.81 Average: 0 67.29 0.00 2.72 0.06 0.09 29.85 Average: 1 62.55 0.00 2.63 0.05 0.09 34.69 Average: 2 65.95 0.00 2.58 0.08 0.09 31.30 Average: 3 65.93 0.00 2.52 0.05 0.08 31.41