---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11104 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 13G 65G 16% / 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 681 8364 4 6943 14965 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:b2:cb:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84024sec preferred_lft 84024sec inet6 fe80::f816:3eff:feb2:cb0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:02:f9:33:9d:35 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-11104) 05/05/26 _x86_64_ (4 CPU) 13:49:31 LINUX RESTART (4 CPU) 13:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:01 62.11 11.07 48.53 2.51 1432.14 7646.40 5862.97 14:10:15 27.39 0.01 24.34 3.04 0.18 2260.78 10781.64 14:20:19 21.66 0.03 19.62 2.01 0.73 3864.55 7429.17 Average: 36.96 3.67 30.76 2.52 473.40 4572.38 8043.65 13:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:01 9820176 13301772 2657928 16.23 132624 3479540 2731028 15.68 637964 5540920 132548 14:10:15 8799256 12567764 3388872 20.70 151172 3721520 3337744 19.16 744880 6419160 16164 14:20:19 5267476 9972620 5980220 36.52 165276 4603872 5739776 32.95 1020144 9615128 216 Average: 7962303 11947385 4009007 24.49 149691 3934977 3936183 22.59 800996 7191736 49643 13:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:01 lo 1012.55 1012.55 959.03 959.03 0.00 0.00 0.00 0.00 14:00:01 ens3 159.04 120.06 1297.54 25.84 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:15 lo 1393.70 1393.70 1327.81 1327.81 0.00 0.00 0.00 0.00 14:10:15 ens3 42.78 32.65 36.40 11.32 0.00 0.00 0.00 0.00 14:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:19 lo 806.79 806.79 3005.25 3005.25 0.00 0.00 0.00 0.00 14:20:19 ens3 30.21 25.43 24.96 8.92 0.00 0.00 0.00 0.00 14:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1072.91 1072.91 1762.96 1762.96 0.00 0.00 0.00 0.00 Average: ens3 77.01 59.13 449.21 15.32 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-11104) 05/05/26 _x86_64_ (4 CPU) 13:49:31 LINUX RESTART (4 CPU) 13:50:00 CPU %user %nice %system %iowait %steal %idle 14:00:01 all 48.93 0.00 2.20 0.86 0.10 47.91 14:00:01 0 49.31 0.00 1.88 0.60 0.10 48.10 14:00:01 1 48.39 0.00 2.16 0.57 0.10 48.77 14:00:01 2 48.17 0.00 2.29 1.44 0.11 47.99 14:00:01 3 49.86 0.00 2.45 0.82 0.11 46.77 14:10:15 all 65.08 0.00 2.42 0.13 0.12 32.24 14:10:15 0 65.69 0.00 2.25 0.25 0.12 31.68 14:10:15 1 65.67 0.00 2.19 0.10 0.12 31.92 14:10:15 2 64.86 0.00 2.74 0.06 0.12 32.23 14:10:15 3 64.10 0.00 2.51 0.13 0.12 33.14 14:20:19 all 51.31 0.00 1.87 0.15 0.12 46.56 14:20:19 0 50.60 0.00 1.71 0.11 0.11 47.47 14:20:19 1 48.79 0.00 2.00 0.05 0.11 49.05 14:20:19 2 55.27 0.00 1.63 0.23 0.13 42.75 14:20:19 3 50.58 0.00 2.15 0.20 0.13 46.95 Average: all 55.17 0.00 2.16 0.38 0.12 42.17 Average: 0 55.27 0.00 1.95 0.32 0.11 42.35 Average: 1 54.36 0.00 2.11 0.24 0.11 43.17 Average: 2 56.16 0.00 2.22 0.57 0.12 40.93 Average: 3 54.91 0.00 2.37 0.38 0.12 42.22