---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32910 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: 5600.00 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 15% / 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 649 9956 4 5383 14997 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:a2:85:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84367sec preferred_lft 84367sec inet6 fe80::f816:3eff:fea2:8555/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:7a:9d:fc:13:f4 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-32910) 07/04/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:10 44.70 0.03 37.85 6.82 0.78 1657.57 96450.94 18:50:01 28.86 0.16 24.57 4.13 4.95 2370.92 32899.07 Average: 36.80 0.09 31.23 5.48 2.86 2013.12 64775.59 18:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:10 9647592 13087176 2872048 17.54 155424 3408476 3105632 17.83 675924 5649436 1012 18:50:01 7859496 12763848 3188848 19.48 176064 4787416 3336548 19.15 1146644 6904984 959892 Average: 8753544 12925512 3030448 18.51 165744 4097946 3221090 18.49 911284 6277210 480452 18:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:10 lo 41.60 41.60 9.85 9.85 0.00 0.00 0.00 0.00 18:40:10 ens3 14.59 12.36 14.80 4.11 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1586.78 1586.78 1494.76 1494.76 0.00 0.00 0.00 0.00 18:50:01 ens3 73.01 52.18 473.17 13.04 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.74 811.74 749.96 749.96 0.00 0.00 0.00 0.00 Average: ens3 43.71 32.21 243.26 8.56 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-32910) 07/04/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:16 CPU %user %nice %system %iowait %steal %idle 18:40:10 all 27.87 0.00 1.13 0.29 0.07 70.65 18:40:10 0 27.68 0.00 1.27 0.09 0.08 70.88 18:40:10 1 29.07 0.00 0.95 0.11 0.07 69.79 18:40:10 2 27.58 0.00 1.18 0.37 0.07 70.80 18:40:10 3 27.14 0.00 1.10 0.57 0.07 71.12 18:50:01 all 44.03 0.00 2.12 0.09 0.08 53.68 18:50:01 0 46.33 0.00 2.25 0.10 0.08 51.25 18:50:01 1 44.05 0.00 2.00 0.09 0.08 53.77 18:50:01 2 44.16 0.00 2.17 0.12 0.08 53.47 18:50:01 3 41.56 0.00 2.04 0.05 0.09 56.26 Average: all 35.91 0.00 1.62 0.19 0.08 62.20 Average: 0 36.97 0.00 1.76 0.09 0.08 61.10 Average: 1 36.53 0.00 1.48 0.10 0.08 61.82 Average: 2 35.83 0.00 1.67 0.25 0.08 62.17 Average: 3 34.32 0.00 1.57 0.31 0.08 63.72