---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-23783 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 758 19040 4 12292 30865 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:94:42:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84475sec preferred_lft 84475sec inet6 fe80::f816:3eff:fe94:4244/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:1b:16:a2:f9:4a 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::381b:16ff:fea2:f94a/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-23783) 06/05/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.21 0.50 20.11 0.59 17.97 13279.67 2332.02 00:30:05 43.67 2.02 40.43 1.22 312.87 12856.73 6498.99 Average: 32.62 1.27 30.43 0.91 167.76 13064.84 4448.58 00:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19143060 27868092 4421956 13.46 188984 8591248 4575028 13.49 2078056 10978324 695940 00:30:05 19694232 31599852 671972 2.04 235988 11578392 1323796 3.90 3112512 9222108 296 Average: 19418646 29733972 2546964 7.75 212486 10084820 2949412 8.70 2595284 10100216 348118 00:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 241.46 241.46 235.68 235.68 0.00 0.00 0.00 0.00 00:20:01 ens3 67.03 55.00 328.73 13.65 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 00:30:05 lo 8.30 8.30 0.98 0.98 0.00 0.00 0.00 0.00 00:30:05 ens3 154.21 161.21 324.40 2606.44 0.00 0.00 0.00 0.00 00:30:05 docker0 86.66 84.73 1368.16 160.75 0.00 0.00 0.00 0.00 Average: lo 123.02 123.02 116.47 116.47 0.00 0.00 0.00 0.00 Average: ens3 111.31 108.95 326.53 1330.63 0.00 0.00 0.00 0.00 Average: docker0 44.02 43.04 694.94 81.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-23783) 06/05/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:17 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 29.33 0.00 1.45 0.08 0.07 69.07 00:20:01 0 25.49 0.00 0.92 0.03 0.06 73.50 00:20:01 1 31.87 0.00 1.56 0.10 0.07 66.40 00:20:01 2 34.95 0.00 1.87 0.08 0.07 63.03 00:20:01 3 32.10 0.00 1.47 0.10 0.07 66.27 00:20:01 4 25.76 0.00 1.17 0.02 0.06 72.99 00:20:01 5 24.63 0.00 1.17 0.09 0.07 74.06 00:20:01 6 30.51 0.00 1.82 0.08 0.07 67.52 00:20:01 7 29.38 0.00 1.64 0.12 0.06 68.80 00:30:05 all 9.44 0.00 1.15 0.39 0.05 88.97 00:30:05 0 11.40 0.00 1.83 0.68 0.05 86.05 00:30:05 1 13.43 0.00 1.59 0.27 0.06 84.65 00:30:05 2 14.40 0.00 1.37 1.37 0.05 82.80 00:30:05 3 11.73 0.00 1.44 0.28 0.06 86.49 00:30:05 4 8.25 0.00 0.92 0.17 0.04 90.62 00:30:05 5 5.00 0.00 0.71 0.13 0.05 94.12 00:30:05 6 5.68 0.00 0.72 0.14 0.03 93.43 00:30:05 7 5.59 0.00 0.62 0.10 0.05 93.64 Average: all 19.22 0.00 1.30 0.24 0.06 79.19 Average: 0 18.32 0.00 1.38 0.36 0.06 79.88 Average: 1 22.49 0.00 1.58 0.19 0.06 75.68 Average: 2 24.51 0.00 1.61 0.73 0.06 73.08 Average: 3 21.74 0.00 1.45 0.19 0.06 76.55 Average: 4 16.85 0.00 1.04 0.10 0.05 81.96 Average: 5 14.64 0.00 0.93 0.11 0.06 84.26 Average: 6 17.88 0.00 1.26 0.11 0.05 80.70 Average: 7 17.30 0.00 1.12 0.11 0.05 81.41