---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23984 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 667 10389 4 4932 14979 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:c1:e1:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84238sec preferred_lft 84238sec inet6 fe80::f816:3eff:fec1:e1ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:d3:03:96:da: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-23984) 06/05/26 _x86_64_ (4 CPU) 10:41:39 LINUX RESTART (4 CPU) 10:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:12 13.54 1.96 10.73 0.85 126.64 2743.88 1525.56 11:10:24 27.06 0.77 22.89 3.41 27.48 4147.29 13088.00 Average: 20.44 1.35 16.93 2.15 76.06 3459.78 7423.75 10:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:12 10570724 14010976 1948608 11.90 131332 3432652 2472532 14.19 613016 4786232 24540 11:10:24 8238260 12816820 3134204 19.14 167964 4451276 3609352 20.72 921796 6737176 9388 Average: 9404492 13413898 2541406 15.52 149648 3941964 3040942 17.45 767406 5761704 16964 10:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:12 lo 1.06 1.06 0.11 0.11 0.00 0.00 0.00 0.00 11:00:12 ens3 96.12 75.22 631.92 17.65 0.00 0.00 0.00 0.00 11:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:24 lo 1605.15 1605.15 1530.05 1530.05 0.00 0.00 0.00 0.00 11:10:24 ens3 96.74 72.94 421.08 18.68 0.00 0.00 0.00 0.00 11:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 819.33 819.33 780.55 780.55 0.00 0.00 0.00 0.00 Average: ens3 96.44 74.06 524.36 18.17 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-23984) 06/05/26 _x86_64_ (4 CPU) 10:41:39 LINUX RESTART (4 CPU) 10:50:24 CPU %user %nice %system %iowait %steal %idle 11:00:12 all 52.98 0.00 1.76 0.05 0.08 45.13 11:00:12 0 52.88 0.00 1.61 0.06 0.08 45.37 11:00:12 1 55.03 0.00 1.99 0.05 0.08 42.85 11:00:12 2 52.21 0.00 1.72 0.02 0.08 45.97 11:00:12 3 51.82 0.00 1.73 0.04 0.09 46.32 11:10:24 all 68.95 0.00 2.67 0.06 0.10 28.23 11:10:24 0 70.19 0.00 2.87 0.04 0.10 26.80 11:10:24 1 69.81 0.00 2.51 0.07 0.10 27.52 11:10:24 2 69.19 0.00 2.70 0.04 0.10 27.98 11:10:24 3 66.61 0.00 2.59 0.09 0.09 30.62 Average: all 61.13 0.00 2.22 0.05 0.09 36.51 Average: 0 61.71 0.00 2.25 0.05 0.09 35.90 Average: 1 62.56 0.00 2.26 0.06 0.09 35.03 Average: 2 60.87 0.00 2.22 0.03 0.09 36.79 Average: 3 59.36 0.00 2.17 0.07 0.09 38.31