---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31694 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 650 10286 4 5052 14996 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:f0:0e:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84867sec preferred_lft 84867sec inet6 fe80::f816:3eff:fef0:e04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:8f:d6:6e:ea:fc 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-31694) 06/30/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:19 7.40 0.27 6.66 0.48 24.41 1022.10 263.68 00:50:07 25.18 0.82 22.19 2.16 30.97 6513.24 14772.30 Average: 16.07 0.54 14.24 1.30 27.61 3700.92 7341.62 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:19 9696236 12896988 3064620 18.72 118284 3234624 3306200 18.98 532496 5797192 1724 00:50:07 10547416 15362992 591620 3.61 141276 4763604 1108924 6.37 925100 4452820 27704 Average: 10121826 14129990 1828120 11.17 129780 3999114 2207562 12.67 728798 5125006 14714 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:19 lo 0.66 0.66 0.37 0.37 0.00 0.00 0.00 0.00 00:40:19 ens3 23.95 15.48 165.29 4.08 0.00 0.00 0.00 0.00 00:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 542.71 542.71 514.20 514.20 0.00 0.00 0.00 0.00 00:50:07 ens3 62.73 48.33 541.10 69.09 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.09 265.09 251.04 251.04 0.00 0.00 0.00 0.00 Average: ens3 42.87 31.50 348.63 35.79 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-31694) 06/30/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:19 all 49.19 0.00 0.86 0.06 0.08 49.81 00:40:19 0 40.82 0.00 0.90 0.08 0.08 58.11 00:40:19 1 47.62 0.00 0.82 0.04 0.08 51.44 00:40:19 2 63.14 0.00 0.92 0.04 0.07 35.83 00:40:19 3 45.20 0.00 0.80 0.06 0.08 53.85 00:50:07 all 51.75 0.00 1.43 0.14 0.08 46.60 00:50:07 0 45.49 0.00 1.29 0.22 0.08 52.92 00:50:07 1 48.73 0.00 1.41 0.06 0.08 49.73 00:50:07 2 45.29 0.00 1.64 0.09 0.08 52.91 00:50:07 3 67.50 0.00 1.40 0.19 0.08 30.84 Average: all 50.44 0.00 1.14 0.10 0.08 48.25 Average: 0 43.10 0.00 1.09 0.15 0.08 55.58 Average: 1 48.16 0.00 1.10 0.05 0.08 50.60 Average: 2 54.44 0.00 1.28 0.06 0.07 44.15 Average: 3 56.06 0.00 1.09 0.12 0.08 42.65