---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32854 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 67G 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 698 9946 4 5344 14948 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:aa:60:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84818sec preferred_lft 84818sec inet6 fe80::f816:3eff:feaa:609b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:b9:d2:4f:20:7c 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-32854) 07/04/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:10 31.59 3.46 26.10 2.03 175.36 6214.19 10087.99 11:30:10 33.03 0.03 29.81 3.19 1.35 6201.76 18461.08 Average: 32.30 1.75 27.95 2.60 88.75 6208.00 14255.17 11:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:10 9558628 13302948 2653456 16.21 150092 3686552 2755152 15.81 694952 5688088 16440 11:30:10 7546400 12758204 3191724 19.49 183104 5044772 3250356 18.66 1011748 7316284 34056 Average: 8552514 13030576 2922590 17.85 166598 4365662 3002754 17.24 853350 6502186 25248 11:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:10 lo 876.99 876.99 835.21 835.21 0.00 0.00 0.00 0.00 11:20:10 ens3 89.48 70.04 856.47 13.55 0.00 0.00 0.00 0.00 11:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:10 lo 1197.36 1197.36 1140.66 1140.66 0.00 0.00 0.00 0.00 11:30:10 ens3 37.53 33.18 228.46 8.19 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1036.44 1036.44 987.23 987.23 0.00 0.00 0.00 0.00 Average: ens3 63.62 51.69 543.92 10.88 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-32854) 07/04/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:04 CPU %user %nice %system %iowait %steal %idle 11:20:10 all 63.43 0.00 2.16 0.09 0.09 34.24 11:20:10 0 63.90 0.00 1.81 0.04 0.09 34.16 11:20:10 1 64.23 0.00 2.24 0.08 0.09 33.36 11:20:10 2 61.93 0.00 2.35 0.16 0.09 35.47 11:20:10 3 63.65 0.00 2.24 0.07 0.09 33.96 11:30:10 all 57.95 0.00 2.34 0.15 0.09 39.47 11:30:10 0 58.00 0.00 2.51 0.11 0.10 39.28 11:30:10 1 56.72 0.00 2.21 0.32 0.09 40.67 11:30:10 2 56.99 0.00 2.32 0.05 0.09 40.55 11:30:10 3 60.11 0.00 2.33 0.11 0.09 37.36 Average: all 60.70 0.00 2.25 0.12 0.09 36.84 Average: 0 60.96 0.00 2.16 0.07 0.09 36.71 Average: 1 60.49 0.00 2.22 0.20 0.09 37.00 Average: 2 59.47 0.00 2.33 0.10 0.09 38.01 Average: 3 61.89 0.00 2.28 0.09 0.09 35.65