---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11821 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 710 10992 4 4286 14936 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:a8:92:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84629sec preferred_lft 84629sec inet6 fe80::f816:3eff:fea8:927e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:d4:31:87:24:e9 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-11821) 05/07/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:16 50.56 0.39 41.43 8.74 12.33 4027.50 8307.86 22:20:14 19.68 0.32 15.18 4.19 12.06 2409.97 2396.42 Average: 35.34 0.35 28.49 6.50 12.19 3229.90 5392.95 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:16 10186944 13796816 2160684 13.20 171732 3532444 2597888 14.91 634516 5144096 143976 22:20:14 11356172 15381680 573372 3.50 195016 3895356 1116648 6.41 780000 3772572 32 Average: 10771558 14589248 1367028 8.35 183374 3713900 1857268 10.66 707258 4458334 72004 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:16 lo 4665.82 4665.82 4448.91 4448.91 0.00 0.00 0.00 0.00 22:10:16 ens3 118.70 88.20 241.19 29.04 0.00 0.00 0.00 0.00 22:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:14 lo 1127.53 1127.53 1065.54 1065.54 0.00 0.00 0.00 0.00 22:20:14 ens3 71.37 65.69 106.76 107.09 0.00 0.00 0.00 0.00 22:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2921.10 2921.10 2780.59 2780.59 0.00 0.00 0.00 0.00 Average: ens3 95.36 77.10 174.91 67.53 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-11821) 05/07/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:16 all 66.47 0.00 3.95 0.09 0.10 29.39 22:10:16 0 65.77 0.00 4.13 0.06 0.09 29.94 22:10:16 1 67.20 0.00 3.86 0.06 0.10 28.77 22:10:16 2 66.03 0.00 3.94 0.11 0.09 29.82 22:10:16 3 66.88 0.00 3.86 0.15 0.10 29.01 22:20:14 all 21.67 0.00 1.28 0.06 0.05 76.95 22:20:14 0 24.06 0.00 1.29 0.03 0.05 74.57 22:20:14 1 20.37 0.00 1.32 0.05 0.05 78.21 22:20:14 2 24.47 0.00 1.41 0.02 0.05 74.06 22:20:14 3 17.78 0.00 1.10 0.13 0.05 80.94 Average: all 44.34 0.00 2.63 0.08 0.07 52.88 Average: 0 45.17 0.00 2.73 0.04 0.07 51.99 Average: 1 44.05 0.00 2.61 0.06 0.07 53.22 Average: 2 45.50 0.00 2.69 0.06 0.07 51.68 Average: 3 42.63 0.00 2.49 0.14 0.07 54.66