---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30563 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 761 19035 4 12294 30862 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:09:1b:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84515sec preferred_lft 84515sec inet6 fe80::f816:3eff:fe09:1bc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:a7:b2:8d:c9:70 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::b0a7:b2ff:fe8d:c970/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30563) 06/26/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 22.15 0.50 21.12 0.53 18.02 15689.59 805.92 00:30:15 29.98 1.97 26.98 1.03 308.76 9795.76 2514.90 Average: 26.17 1.25 24.13 0.79 167.45 12660.43 1684.25 00:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19197784 28056480 4233444 12.88 190680 8719676 4545920 13.41 2142020 10860004 1456 00:30:15 19403344 31310936 961480 2.93 230064 11593356 1690400 4.98 3126352 9535640 664 Average: 19300564 29683708 2597462 7.90 210372 10156516 3118160 9.20 2634186 10197822 1060 00:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 206.49 206.49 201.71 201.71 0.00 0.00 0.00 0.00 00:20:01 ens3 60.83 52.89 330.84 13.95 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 00:30:15 lo 15.65 15.65 1.77 1.77 0.00 0.00 0.00 0.00 00:30:15 ens3 183.45 186.92 235.70 2690.68 0.00 0.00 0.00 0.00 00:30:15 docker0 81.19 81.48 1344.30 10.48 0.00 0.00 0.00 0.00 Average: lo 108.41 108.41 98.95 98.95 0.00 0.00 0.00 0.00 Average: ens3 123.85 121.78 281.94 1389.67 0.00 0.00 0.00 0.00 Average: docker0 41.73 41.88 690.91 5.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30563) 06/26/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:19 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.50 0.00 1.37 0.15 0.06 69.91 00:20:01 0 24.94 0.00 1.45 0.40 0.07 73.15 00:20:01 1 28.68 0.00 1.52 0.06 0.07 69.67 00:20:01 2 32.65 0.00 1.82 0.08 0.07 65.38 00:20:01 3 29.95 0.00 1.30 0.15 0.06 68.54 00:20:01 4 26.22 0.00 1.29 0.10 0.06 72.34 00:20:01 5 26.37 0.00 1.26 0.10 0.07 72.21 00:20:01 6 25.85 0.00 1.18 0.30 0.05 72.61 00:20:01 7 33.38 0.00 1.17 0.03 0.07 65.34 00:30:15 all 9.81 0.00 0.97 0.12 0.05 89.05 00:30:15 0 5.92 0.00 0.90 0.29 0.06 92.84 00:30:15 1 8.51 0.00 1.15 0.02 0.05 90.27 00:30:15 2 13.61 0.00 1.71 0.06 0.05 84.56 00:30:15 3 11.22 0.00 1.36 0.11 0.05 87.27 00:30:15 4 12.11 0.00 0.84 0.07 0.04 86.94 00:30:15 5 4.44 0.00 0.56 0.05 0.04 94.91 00:30:15 6 16.68 0.00 0.72 0.33 0.06 82.22 00:30:15 7 5.95 0.00 0.54 0.03 0.04 93.44 Average: all 18.88 0.00 1.17 0.14 0.06 79.76 Average: 0 15.15 0.00 1.16 0.35 0.06 83.28 Average: 1 18.29 0.00 1.33 0.04 0.06 80.28 Average: 2 22.85 0.00 1.76 0.07 0.06 75.25 Average: 3 20.31 0.00 1.33 0.13 0.06 78.17 Average: 4 18.96 0.00 1.06 0.08 0.05 79.85 Average: 5 15.09 0.00 0.90 0.07 0.05 83.89 Average: 6 21.13 0.00 0.94 0.32 0.05 77.56 Average: 7 19.28 0.00 0.85 0.03 0.05 79.79