---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3707 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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: 5600.00 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 12G 66G 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 668 8676 4 6644 14978 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:f5:15:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84200sec preferred_lft 84200sec inet6 fe80::f816:3eff:fef5:1526/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:67:14:02:7b:74 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3707) 12/04/25 _x86_64_ (4 CPU) 19:04:04 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:06 30.28 2.94 24.32 3.02 160.90 3727.24 6572.20 19:30:01 31.58 0.01 28.29 3.29 0.12 2501.97 10057.60 19:40:01 16.32 0.13 14.44 1.74 6.72 8383.99 3265.80 Average: 26.05 1.03 22.34 2.69 56.36 4874.72 6621.96 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:06 9189180 12858428 3100112 18.93 137288 3659928 3287740 18.87 867240 5938616 35392 19:30:01 8773096 12848732 3106200 18.97 159976 4010360 3213240 18.44 981180 6191772 30620 19:40:01 8866948 15310724 636308 3.89 175564 6287064 1156000 6.64 1809496 5193500 2612 Average: 8943075 13672628 2280873 13.93 157609 4652451 2552327 14.65 1219305 5774629 22875 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:06 lo 1388.31 1388.31 1316.46 1316.46 0.00 0.00 0.00 0.00 19:20:06 ens3 109.83 88.57 811.13 20.25 0.00 0.00 0.00 0.00 19:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1308.06 1308.06 1245.43 1245.43 0.00 0.00 0.00 0.00 19:30:01 ens3 41.52 31.72 26.55 11.57 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 19:40:01 lo 226.61 226.61 4629.62 4629.62 0.00 0.00 0.00 0.00 19:40:01 ens3 101.27 106.47 124.85 1064.31 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 974.49 974.49 2397.53 2397.53 0.00 0.00 0.00 0.00 Average: ens3 84.40 75.74 323.01 365.45 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3707) 12/04/25 _x86_64_ (4 CPU) 19:04:04 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:06 all 64.41 0.00 2.47 0.08 0.11 32.93 19:20:06 0 63.28 0.00 2.37 0.08 0.11 34.16 19:20:06 1 65.71 0.00 2.21 0.11 0.11 31.86 19:20:06 2 65.08 0.00 2.36 0.05 0.11 32.40 19:20:06 3 63.58 0.00 2.93 0.09 0.10 33.30 19:30:01 all 62.72 0.00 2.46 0.83 0.11 33.89 19:30:01 0 59.08 0.00 2.41 1.42 0.10 36.98 19:30:01 1 62.69 0.00 2.65 0.07 0.10 34.48 19:30:01 2 65.72 0.00 2.70 1.75 0.11 29.72 19:30:01 3 63.38 0.00 2.07 0.08 0.10 34.36 19:40:01 all 32.31 0.00 1.17 0.35 0.08 66.09 19:40:01 0 28.82 0.00 1.00 0.04 0.07 70.06 19:40:01 1 32.59 0.00 1.06 0.87 0.08 65.41 19:40:01 2 27.49 0.00 1.32 0.19 0.07 70.93 19:40:01 3 40.34 0.00 1.31 0.29 0.08 57.98 Average: all 53.14 0.00 2.03 0.42 0.10 44.31 Average: 0 50.39 0.00 1.92 0.51 0.10 47.08 Average: 1 53.66 0.00 1.97 0.35 0.09 43.92 Average: 2 52.75 0.00 2.13 0.66 0.10 44.37 Average: 3 55.76 0.00 2.11 0.15 0.10 41.89