---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23485 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 17% / 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 680 8276 4 7032 14966 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:76:78:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:fe76:7864/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:45:9c:b3:2e:8d 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-23485) 06/03/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:20 22.13 0.07 19.61 2.45 6.67 2144.52 11653.23 19:30:01 31.73 0.03 28.54 3.16 0.40 4518.02 31148.95 19:40:12 11.11 0.29 9.54 1.28 11.61 7556.66 1940.34 Average: 21.48 0.13 19.07 2.28 6.33 4763.29 14655.50 19:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:20 8982316 12906164 3050464 18.63 147320 3873580 3176616 18.23 737244 6242272 191836 19:30:01 7772000 12520148 3431864 20.96 164448 4644032 3391768 19.47 1003924 7139784 1140 19:40:12 8515340 15356616 588888 3.60 185712 6647464 1094992 6.29 1758240 5547080 51908 Average: 8423219 13594309 2357072 14.40 165827 5055025 2554459 14.66 1166469 6309712 81628 19:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:20 lo 1265.63 1265.63 1199.83 1199.83 0.00 0.00 0.00 0.00 19:20:20 ens3 40.93 33.00 44.28 11.51 0.00 0.00 0.00 0.00 19:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1264.37 1264.37 1200.04 1200.04 0.00 0.00 0.00 0.00 19:30:01 ens3 43.35 31.82 30.08 12.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 2535.45 2535.45 9115.30 9115.30 0.00 0.00 0.00 0.00 19:40:12 ens3 37.65 42.36 153.48 513.99 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1699.09 1699.09 3904.46 3904.46 0.00 0.00 0.00 0.00 Average: ens3 40.59 35.82 76.99 183.36 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-23485) 06/03/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:22 CPU %user %nice %system %iowait %steal %idle 19:20:20 all 64.80 0.00 2.16 0.17 0.08 32.77 19:20:20 0 64.66 0.00 2.29 0.46 0.08 32.51 19:20:20 1 66.31 0.00 2.29 0.10 0.09 31.21 19:20:20 2 64.32 0.00 1.95 0.06 0.08 33.59 19:20:20 3 63.92 0.00 2.14 0.08 0.08 33.78 19:30:01 all 58.31 0.00 2.38 0.09 0.09 39.13 19:30:01 0 58.43 0.00 2.34 0.04 0.09 39.09 19:30:01 1 57.89 0.00 2.74 0.06 0.09 39.22 19:30:01 2 58.85 0.00 2.39 0.14 0.09 38.54 19:30:01 3 58.07 0.00 2.05 0.11 0.09 39.67 19:40:12 all 31.17 0.00 1.28 0.11 0.07 67.37 19:40:12 0 34.23 0.00 1.72 0.08 0.07 63.91 19:40:12 1 28.72 0.00 1.27 0.02 0.07 69.91 19:40:12 2 28.53 0.00 0.89 0.27 0.07 70.25 19:40:12 3 33.20 0.00 1.24 0.09 0.07 65.40 Average: all 51.20 0.00 1.93 0.13 0.08 46.66 Average: 0 52.24 0.00 2.11 0.19 0.08 45.37 Average: 1 50.73 0.00 2.09 0.06 0.08 47.04 Average: 2 50.31 0.00 1.73 0.16 0.08 47.72 Average: 3 51.52 0.00 1.80 0.09 0.08 46.50