---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-20153 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 17G 138G 11% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 747 19130 4 12214 30877 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:79:b7:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84350sec preferred_lft 84350sec inet6 fe80::f816:3eff:fe79:b750/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:2a:d3:b8:86:43 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 inet6 fe80::1c2a:d3ff:feb8:8643/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-20153) 05/26/26 _x86_64_ (8 CPU) 00:24:01 LINUX RESTART (8 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:06 8.79 0.18 8.10 0.51 6.21 3114.95 2478.12 00:50:06 53.12 2.02 50.01 1.09 292.26 22690.22 2401.03 Average: 30.88 1.10 28.98 0.80 148.73 12867.74 2439.71 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:06 24050172 28698260 3607296 10.98 151164 4706908 3779732 11.15 981920 7363640 236 00:50:06 20054508 31669324 604028 1.84 232632 11308324 1503800 4.43 3110436 8879032 58880 Average: 22052340 30183792 2105662 6.41 191898 8007616 2641766 7.79 2046178 8121336 29558 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:06 lo 5.52 5.52 0.53 0.53 0.00 0.00 0.00 0.00 00:40:06 ens3 37.34 29.43 70.36 10.11 0.00 0.00 0.00 0.00 00:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:06 lo 232.97 232.97 228.10 228.10 0.00 0.00 0.00 0.00 00:50:06 ens3 67.38 52.51 556.40 14.09 0.00 0.00 0.00 0.00 00:50:06 docker0 3.28 4.07 0.20 90.30 0.00 0.00 0.00 0.00 00:50:06 veth3adfc42 3.27 4.07 0.25 90.30 0.00 0.00 0.00 0.01 Average: lo 118.84 118.84 113.91 113.91 0.00 0.00 0.00 0.00 Average: ens3 52.30 40.93 312.52 12.09 0.00 0.00 0.00 0.00 Average: docker0 1.63 2.03 0.10 44.99 0.00 0.00 0.00 0.00 Average: veth3adfc42 1.63 2.03 0.12 44.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-20153) 05/26/26 _x86_64_ (8 CPU) 00:24:01 LINUX RESTART (8 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:06 all 39.00 0.00 1.23 0.27 0.11 59.40 00:40:06 0 35.61 0.00 1.10 0.25 0.10 62.93 00:40:06 1 41.73 0.00 1.31 0.26 0.12 56.58 00:40:06 2 49.02 0.00 1.53 0.19 0.12 49.14 00:40:06 3 35.07 0.00 1.12 0.13 0.11 63.57 00:40:06 4 37.89 0.00 1.20 0.51 0.11 60.30 00:40:06 5 41.37 0.00 1.18 0.47 0.11 56.88 00:40:06 6 38.16 0.00 1.14 0.12 0.10 60.48 00:40:06 7 33.15 0.00 1.22 0.21 0.10 65.32 00:50:06 all 16.53 0.00 1.31 1.46 0.07 80.63 00:50:06 0 14.04 0.00 1.27 2.52 0.07 82.09 00:50:06 1 16.38 0.00 1.21 1.50 0.07 80.84 00:50:06 2 17.26 0.00 1.44 2.10 0.08 79.12 00:50:06 3 16.44 0.00 1.36 2.02 0.07 80.11 00:50:06 4 20.50 0.00 1.62 0.82 0.08 76.98 00:50:06 5 13.53 0.00 0.97 0.43 0.06 85.00 00:50:06 6 14.39 0.00 1.33 2.08 0.07 82.13 00:50:06 7 19.70 0.00 1.31 0.18 0.07 78.73 Average: all 27.81 0.00 1.27 0.86 0.09 69.97 Average: 0 24.87 0.00 1.19 1.38 0.09 72.47 Average: 1 29.10 0.00 1.26 0.88 0.10 68.67 Average: 2 33.19 0.00 1.49 1.14 0.10 64.08 Average: 3 25.80 0.00 1.24 1.07 0.09 71.80 Average: 4 29.23 0.00 1.41 0.67 0.09 68.60 Average: 5 27.50 0.00 1.08 0.45 0.09 70.89 Average: 6 26.32 0.00 1.24 1.09 0.09 71.27 Average: 7 26.46 0.00 1.26 0.20 0.09 71.99