---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1758 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 68G 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 693 10471 4 4823 14953 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:46:27:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84124sec preferred_lft 84124sec inet6 fe80::f816:3eff:fe46:2722/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:35:cb:cc:e4:0f 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-1758) 08/03/26 _x86_64_ (4 CPU) 08:59:07 LINUX RESTART (4 CPU) 09:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 43.67 8.26 34.72 0.69 1279.67 6837.87 1802.67 09:20:01 11.34 1.93 8.75 0.66 124.10 2558.62 1520.32 09:30:25 26.26 0.75 22.03 3.49 26.91 3199.42 3556.27 Average: 27.08 3.61 21.84 1.64 471.26 4186.39 2309.48 09:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 13045172 15514576 460020 2.81 98624 2559720 989328 5.68 339376 2654936 52 09:20:01 10696172 13975120 1985572 12.13 129516 3276468 2481516 14.24 544748 4755288 22944 09:30:25 8838628 13260320 2691400 16.44 167524 4297788 2751160 15.79 838480 6195808 280056 Average: 10859991 14250005 1712331 10.46 131888 3377992 2074001 11.90 574201 4535344 101017 09:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 09:10:01 ens3 93.20 66.19 566.24 11.27 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 09:20:01 ens3 84.90 70.03 663.00 15.18 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:25 lo 1437.62 1437.62 1369.62 1369.62 0.00 0.00 0.00 0.00 09:30:25 ens3 91.90 70.48 393.06 18.96 0.00 0.00 0.00 0.00 09:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 492.04 492.04 468.40 468.40 0.00 0.00 0.00 0.00 Average: ens3 90.03 68.92 538.84 15.19 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-1758) 08/03/26 _x86_64_ (4 CPU) 08:59:07 LINUX RESTART (4 CPU) 09:00:00 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 3.51 0.00 0.55 0.33 0.02 95.59 09:10:01 0 3.66 0.00 0.57 0.23 0.02 95.52 09:10:01 1 2.82 0.00 0.59 0.65 0.02 95.93 09:10:01 2 6.03 0.00 0.53 0.13 0.02 93.28 09:10:01 3 1.52 0.00 0.51 0.32 0.02 97.63 09:20:01 all 47.04 0.00 1.50 0.03 0.09 51.35 09:20:01 0 46.68 0.00 1.46 0.06 0.08 51.71 09:20:01 1 48.15 0.00 1.39 0.02 0.09 50.35 09:20:01 2 45.41 0.00 1.57 0.03 0.09 52.90 09:20:01 3 47.90 0.00 1.56 0.02 0.09 50.43 09:30:25 all 67.71 0.00 2.77 0.04 0.12 29.37 09:30:25 0 69.42 0.00 2.87 0.04 0.12 27.56 09:30:25 1 67.95 0.00 2.71 0.04 0.12 29.19 09:30:25 2 67.21 0.00 2.82 0.06 0.12 29.80 09:30:25 3 66.25 0.00 2.68 0.03 0.12 30.91 Average: all 39.74 0.00 1.62 0.13 0.08 58.43 Average: 0 40.27 0.00 1.65 0.11 0.07 57.90 Average: 1 39.97 0.00 1.58 0.23 0.08 58.14 Average: 2 39.83 0.00 1.65 0.07 0.08 58.37 Average: 3 38.89 0.00 1.60 0.12 0.08 59.31