---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-28159 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 18G 138G 12% / 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 751 19037 4 12303 30873 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:e9:df:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84410sec preferred_lft 84410sec inet6 fe80::f816:3eff:fee9:dfc3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:89:ea:c4:4a:5c 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::9889:eaff:fec4:4a5c/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-28159) 06/18/26 _x86_64_ (8 CPU) 00:36:23 LINUX RESTART (8 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 11.82 0.28 10.98 0.56 10.28 5165.61 1175.98 01:00:02 24.89 0.48 23.97 0.44 17.07 16295.14 1190.89 Average: 18.37 0.38 17.49 0.50 13.68 10742.30 1183.45 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24703312 29061148 3247572 9.88 145476 4426264 3210596 9.47 816144 6877808 18904 01:00:02 18784416 28792204 3493460 10.63 205760 9802516 3347072 9.87 2528892 10842028 722760 Average: 21743864 28926676 3370516 10.26 175618 7114390 3278834 9.67 1672518 8859918 370832 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.69 5.69 0.55 0.55 0.00 0.00 0.00 0.00 00:50:01 ens3 62.69 49.66 304.47 13.02 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:02 lo 245.14 245.14 240.26 240.26 0.00 0.00 0.00 0.00 01:00:02 ens3 52.73 46.26 355.27 11.16 0.00 0.00 0.00 0.00 01:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 125.67 125.67 120.66 120.66 0.00 0.00 0.00 0.00 Average: ens3 57.70 47.96 329.93 12.09 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-8c-8g-28159) 06/18/26 _x86_64_ (8 CPU) 00:36:23 LINUX RESTART (8 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 38.94 0.00 1.67 0.06 0.10 59.24 00:50:01 0 39.50 0.00 1.58 0.16 0.10 58.66 00:50:01 1 44.45 0.00 2.19 0.03 0.10 53.22 00:50:01 2 36.72 0.00 1.68 0.02 0.10 61.48 00:50:01 3 41.55 0.00 1.96 0.05 0.10 56.34 00:50:01 4 39.64 0.00 1.60 0.07 0.09 58.60 00:50:01 5 39.10 0.00 1.37 0.08 0.09 59.36 00:50:01 6 38.65 0.00 1.41 0.03 0.09 59.83 00:50:01 7 31.91 0.00 1.56 0.05 0.09 66.38 01:00:02 all 18.90 0.00 1.29 0.25 0.07 79.49 01:00:02 0 16.65 0.00 1.13 0.28 0.07 81.88 01:00:02 1 19.90 0.00 1.27 0.16 0.08 78.58 01:00:02 2 25.25 0.00 1.71 0.10 0.08 72.86 01:00:02 3 17.13 0.00 1.13 0.47 0.07 81.19 01:00:02 4 22.61 0.00 1.28 0.05 0.07 75.99 01:00:02 5 14.83 0.00 1.35 0.29 0.07 83.46 01:00:02 6 17.83 0.00 1.08 0.58 0.07 80.45 01:00:02 7 16.98 0.00 1.38 0.06 0.07 81.51 Average: all 28.90 0.00 1.48 0.15 0.08 69.38 Average: 0 28.05 0.00 1.35 0.22 0.08 70.30 Average: 1 32.14 0.00 1.73 0.10 0.09 65.94 Average: 2 30.98 0.00 1.70 0.06 0.09 67.18 Average: 3 29.31 0.00 1.55 0.26 0.09 68.80 Average: 4 31.11 0.00 1.44 0.06 0.08 67.31 Average: 5 26.94 0.00 1.36 0.18 0.08 71.43 Average: 6 28.21 0.00 1.24 0.30 0.08 70.16 Average: 7 24.43 0.00 1.47 0.06 0.08 73.96