---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15825 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 692 11019 4 4277 14954 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:93:91:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84679sec preferred_lft 84679sec inet6 fe80::f816:3eff:fe93:916a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:33:6a:b4:16:c5 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-15825) 05/16/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:00 40.19 2.55 31.62 6.02 141.43 3920.67 5749.12 21:20:00 49.67 0.31 28.51 20.85 11.95 3669.29 242353.68 Average: 44.93 1.43 30.07 13.44 76.69 3794.97 124053.37 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:00 10664356 13895224 2064992 12.61 149272 3211616 2392796 13.73 553788 4785920 20076 21:20:00 11388192 15404628 550068 3.36 195540 3886504 1127040 6.47 785568 3743000 120 Average: 11026274 14649926 1307530 7.99 172406 3549060 1759918 10.10 669678 4264460 10098 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:00 lo 3281.08 3281.08 3128.48 3128.48 0.00 0.00 0.00 0.00 21:10:00 ens3 136.14 103.42 763.51 26.16 0.00 0.00 0.00 0.00 21:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 2675.11 2675.11 2537.27 2537.27 0.00 0.00 0.00 0.00 21:20:00 ens3 116.51 105.39 121.07 153.88 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2978.09 2978.09 2832.87 2832.87 0.00 0.00 0.00 0.00 Average: ens3 126.33 104.40 442.28 90.02 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-15825) 05/16/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:00 all 52.86 0.00 3.04 0.09 0.07 43.93 21:10:00 0 53.38 0.00 2.73 0.08 0.07 43.74 21:10:00 1 53.44 0.00 3.01 0.06 0.07 43.41 21:10:00 2 52.56 0.00 3.10 0.09 0.07 44.18 21:10:00 3 52.04 0.00 3.33 0.14 0.07 44.41 21:20:00 all 45.36 0.00 2.64 0.10 0.07 51.82 21:20:00 0 43.14 0.00 2.83 0.06 0.08 53.89 21:20:00 1 45.54 0.00 2.75 0.16 0.07 51.47 21:20:00 2 48.79 0.00 2.51 0.05 0.07 48.58 21:20:00 3 43.97 0.00 2.48 0.14 0.08 53.34 Average: all 49.11 0.00 2.84 0.10 0.07 47.88 Average: 0 48.26 0.00 2.78 0.07 0.07 48.82 Average: 1 49.49 0.00 2.88 0.11 0.07 47.44 Average: 2 50.67 0.00 2.81 0.07 0.07 46.38 Average: 3 48.00 0.00 2.91 0.14 0.07 48.87