---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11691 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 656 10598 4 4734 14990 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:85:66:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84027sec preferred_lft 84027sec inet6 fe80::f816:3eff:fe85:66cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:82:40:51:c3:dc 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-11691) 05/07/26 _x86_64_ (4 CPU) 08:55:40 LINUX RESTART (4 CPU) 09:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:17 15.05 2.07 12.07 0.92 132.60 2907.88 2475.51 09:20:17 29.62 0.78 24.38 4.46 24.21 4275.65 4259.99 09:30:17 2.82 0.28 2.40 0.13 10.91 330.33 38.43 Average: 15.83 1.04 12.95 1.84 55.91 2504.62 2257.97 09:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:17 10531736 13826244 2134012 13.03 132112 3287924 2495272 14.32 561872 4904520 24104 09:20:17 10902400 15385016 567556 3.47 173040 4348884 1098932 6.31 894876 4093472 76492 09:30:17 10894664 15382724 569188 3.48 173840 4353116 1103316 6.33 896196 4087580 88 Average: 10776267 14864661 1090252 6.66 159664 3996641 1565840 8.99 784315 4361857 33561 09:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:17 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 09:10:17 ens3 98.21 79.25 616.98 19.39 0.00 0.00 0.00 0.00 09:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:17 lo 1687.36 1687.36 1608.51 1608.51 0.00 0.00 0.00 0.00 09:20:17 ens3 94.16 69.07 429.62 18.84 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:17 lo 9.19 9.19 0.94 0.94 0.00 0.00 0.00 0.00 09:30:17 ens3 25.41 29.41 10.97 85.18 0.00 0.00 0.00 0.00 09:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 565.90 565.90 536.52 536.52 0.00 0.00 0.00 0.00 Average: ens3 72.59 59.24 352.52 41.14 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-11691) 05/07/26 _x86_64_ (4 CPU) 08:55:40 LINUX RESTART (4 CPU) 09:00:17 CPU %user %nice %system %iowait %steal %idle 09:10:17 all 58.62 0.00 1.92 0.05 0.07 39.34 09:10:17 0 57.42 0.00 1.87 0.04 0.08 40.59 09:10:17 1 58.72 0.00 1.95 0.06 0.07 39.20 09:10:17 2 58.89 0.00 2.16 0.06 0.07 38.82 09:10:17 3 59.43 0.00 1.71 0.04 0.08 38.75 09:20:17 all 67.95 0.00 2.76 0.07 0.08 29.14 09:20:17 0 67.78 0.00 2.99 0.06 0.09 29.07 09:20:17 1 69.07 0.00 2.60 0.07 0.08 28.17 09:20:17 2 65.27 0.00 2.73 0.05 0.08 31.87 09:20:17 3 69.69 0.00 2.71 0.10 0.09 27.42 09:30:17 all 3.02 0.00 0.10 0.02 0.03 96.83 09:30:17 0 3.42 0.00 0.13 0.04 0.04 96.38 09:30:17 1 1.50 0.00 0.07 0.00 0.02 98.41 09:30:17 2 5.45 0.00 0.13 0.03 0.03 94.37 09:30:17 3 1.70 0.00 0.08 0.00 0.04 98.18 Average: all 43.15 0.00 1.59 0.05 0.06 55.14 Average: 0 42.85 0.00 1.66 0.05 0.07 55.38 Average: 1 43.05 0.00 1.54 0.05 0.06 55.31 Average: 2 43.17 0.00 1.67 0.05 0.06 55.05 Average: 3 43.54 0.00 1.50 0.05 0.07 54.85