---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-28151 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: 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: 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 773 19017 4 12301 30851 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:1e:fc:be 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 84451sec preferred_lft 84451sec inet6 fe80::f816:3eff:fe1e:fcbe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:3e:53:8f:99:c4 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::983e:53ff:fe8f:99c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28151) 06/18/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 16.63 0.30 15.88 0.44 11.78 12313.13 225.81 00:30:03 63.46 2.20 44.82 16.44 317.35 14993.18 502914.42 Average: 40.16 1.26 30.42 8.48 165.32 13659.72 252801.71 00:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 21663016 29179628 3116428 9.48 171756 7451168 3278228 9.67 1906160 8711800 141420 00:30:03 19668896 31584368 689936 2.10 229696 11601476 1312840 3.87 3128436 9228080 816 Average: 20665956 30381998 1903182 5.79 200726 9526322 2295534 6.77 2517298 8969940 71118 00:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.60 1.60 0.16 0.16 0.00 0.00 0.00 0.00 00:20:01 ens3 62.14 54.02 235.82 14.54 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:03 lo 261.76 261.76 252.01 252.01 0.00 0.00 0.00 0.00 00:30:03 ens3 124.01 120.31 341.33 1487.44 0.00 0.00 0.00 0.00 00:30:03 docker0 79.93 75.21 1372.20 10.18 0.00 0.00 0.00 0.00 Average: lo 132.32 132.32 126.70 126.70 0.00 0.00 0.00 0.00 Average: ens3 93.22 87.33 288.83 754.60 0.00 0.00 0.00 0.00 Average: docker0 40.16 37.79 689.46 5.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28151) 06/18/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:05 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 31.27 0.00 1.31 0.38 0.07 66.97 00:20:01 0 26.64 0.00 1.32 0.68 0.07 71.29 00:20:01 1 30.30 0.00 1.13 0.05 0.07 68.44 00:20:01 2 30.85 0.00 1.29 0.37 0.07 67.42 00:20:01 3 33.62 0.00 1.37 0.31 0.08 64.63 00:20:01 4 34.54 0.00 1.54 0.19 0.08 63.65 00:20:01 5 31.75 0.00 1.16 0.29 0.07 66.73 00:20:01 6 33.83 0.00 1.41 0.52 0.08 64.17 00:20:01 7 28.61 0.00 1.28 0.61 0.08 69.42 00:30:03 all 10.08 0.00 1.10 0.45 0.05 88.32 00:30:03 0 7.78 0.00 0.85 0.73 0.05 90.59 00:30:03 1 9.90 0.00 0.92 0.42 0.05 88.71 00:30:03 2 7.73 0.00 1.01 0.61 0.05 90.60 00:30:03 3 17.69 0.00 2.14 0.33 0.06 79.79 00:30:03 4 13.56 0.00 1.36 0.12 0.06 84.91 00:30:03 5 7.67 0.00 0.77 0.63 0.05 90.88 00:30:03 6 8.50 0.00 0.98 0.20 0.04 90.28 00:30:03 7 7.78 0.00 0.74 0.59 0.04 90.86 Average: all 20.61 0.00 1.20 0.41 0.06 77.71 Average: 0 17.16 0.00 1.09 0.70 0.06 80.99 Average: 1 20.04 0.00 1.03 0.24 0.06 78.64 Average: 2 19.22 0.00 1.15 0.49 0.06 79.08 Average: 3 25.61 0.00 1.75 0.32 0.07 72.25 Average: 4 23.99 0.00 1.45 0.15 0.07 74.34 Average: 5 19.66 0.00 0.96 0.46 0.06 78.86 Average: 6 21.09 0.00 1.19 0.36 0.06 77.31 Average: 7 18.14 0.00 1.01 0.60 0.06 80.20