---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-32190 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 752 18688 4 12651 30872 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:c9:90:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84529sec preferred_lft 84529sec inet6 fe80::f816:3eff:fec9:9086/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:c1:c8:58:48:18 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::88c1:c8ff:fe58:4818/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-32190) 07/02/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 23.75 0.49 22.72 0.54 17.50 15317.89 1070.97 00:30:36 40.70 1.90 37.82 0.98 297.31 9885.10 5463.10 Average: 32.47 1.22 30.48 0.77 161.33 12525.36 3328.59 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18582572 27807768 4479096 13.63 195956 9075984 4868512 14.36 2315588 11302692 444 00:30:36 17927856 30373000 1896072 5.77 235952 12108512 2563880 7.56 3322108 10782616 61280 Average: 18255214 29090384 3187584 9.70 215954 10592248 3716196 10.96 2818848 11042654 30862 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 240.87 240.87 235.44 235.44 0.00 0.00 0.00 0.00 00:20:01 ens3 62.05 51.32 320.95 13.22 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 00:30:36 lo 15.07 15.07 1.69 1.69 0.00 0.00 0.00 0.00 00:30:36 ens3 191.21 195.46 468.98 2606.37 0.00 0.00 0.00 0.00 00:30:36 docker0 79.32 75.99 1301.48 9.95 0.00 0.00 0.00 0.00 Average: lo 124.80 124.80 115.29 115.29 0.00 0.00 0.00 0.00 Average: ens3 128.44 125.41 397.04 1346.14 0.00 0.00 0.00 0.00 Average: docker0 40.77 39.06 668.98 5.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-32190) 07/02/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.63 0.00 1.25 0.29 0.08 70.75 00:20:01 0 23.73 0.00 1.34 0.02 0.08 74.83 00:20:01 1 30.79 0.00 1.17 0.38 0.08 67.58 00:20:01 2 26.98 0.00 1.13 0.28 0.07 71.53 00:20:01 3 29.60 0.00 1.24 0.06 0.09 69.01 00:20:01 4 25.95 0.00 1.21 0.36 0.08 72.40 00:20:01 5 27.35 0.00 1.22 0.12 0.08 71.22 00:20:01 6 31.25 0.00 1.39 0.05 0.08 67.22 00:20:01 7 25.40 0.00 1.27 1.04 0.08 72.22 00:30:36 all 11.62 0.00 1.04 0.22 0.04 87.09 00:30:36 0 17.15 0.00 1.43 0.09 0.05 81.28 00:30:36 1 25.11 0.00 1.71 0.29 0.06 72.83 00:30:36 2 9.26 0.00 0.85 0.23 0.04 89.61 00:30:36 3 8.54 0.00 0.63 0.22 0.04 90.58 00:30:36 4 8.50 0.00 0.60 0.58 0.03 90.28 00:30:36 5 6.49 0.00 0.82 0.13 0.04 92.51 00:30:36 6 5.39 0.00 0.38 0.13 0.04 94.06 00:30:36 7 12.46 0.00 1.87 0.07 0.05 85.55 Average: all 19.39 0.00 1.14 0.25 0.06 79.16 Average: 0 20.34 0.00 1.39 0.06 0.06 78.15 Average: 1 27.86 0.00 1.44 0.34 0.07 70.28 Average: 2 17.87 0.00 0.99 0.26 0.05 80.83 Average: 3 18.75 0.00 0.92 0.14 0.06 80.11 Average: 4 16.97 0.00 0.89 0.48 0.06 81.61 Average: 5 16.62 0.00 1.02 0.13 0.06 82.18 Average: 6 17.94 0.00 0.87 0.09 0.06 81.04 Average: 7 18.74 0.00 1.58 0.54 0.06 79.08