---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-976 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 736 18905 4 12449 30888 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:1c:c6:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84450sec preferred_lft 84450sec inet6 fe80::f816:3eff:fe1c:c6cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:5d:df:43:50:1c 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::d05d:dfff:fe43:501c/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-976) 08/01/26 _x86_64_ (8 CPU) 00:00:26 LINUX RESTART (8 CPU) 00:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 24.72 0.51 23.59 0.63 18.59 15199.06 480.34 00:30:28 40.53 1.84 37.66 1.03 307.71 10132.11 12744.91 Average: 32.84 1.19 30.82 0.83 167.11 12596.15 6780.69 00:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18934324 27951052 4335984 13.19 196528 8853356 4551592 13.42 2146596 11094820 137636 00:30:28 19573996 31641092 629116 1.91 234884 11729144 1327624 3.92 3124024 9333912 440 Average: 19254160 29796072 2482550 7.55 215706 10291250 2939608 8.67 2635310 10214366 69038 00:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 271.77 271.77 264.96 264.96 0.00 0.00 0.00 0.00 00:20:01 ens3 61.63 52.73 330.71 13.82 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 00:30:28 lo 12.59 12.59 1.42 1.42 0.00 0.00 0.00 0.00 00:30:28 ens3 156.81 171.28 229.80 2598.18 0.00 0.00 0.00 0.00 00:30:28 docker0 86.92 80.98 1318.78 10.33 0.00 0.00 0.00 0.00 Average: lo 138.63 138.63 129.58 129.58 0.00 0.00 0.00 0.00 Average: ens3 110.52 113.63 278.87 1341.42 0.00 0.00 0.00 0.00 Average: docker0 44.65 41.60 677.46 5.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-976) 08/01/26 _x86_64_ (8 CPU) 00:00:26 LINUX RESTART (8 CPU) 00:10:08 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 32.20 0.00 1.44 0.38 0.07 65.90 00:20:01 0 29.89 0.00 1.28 0.24 0.08 68.50 00:20:01 1 35.84 0.00 1.85 0.23 0.08 62.00 00:20:01 2 30.92 0.00 1.43 0.55 0.07 67.03 00:20:01 3 33.50 0.00 1.60 0.99 0.08 63.83 00:20:01 4 42.22 0.00 1.61 0.36 0.09 55.72 00:20:01 5 29.06 0.00 1.18 0.18 0.07 69.50 00:20:01 6 27.67 0.00 1.27 0.31 0.07 70.69 00:20:01 7 28.52 0.00 1.33 0.19 0.07 69.89 00:30:28 all 9.43 0.00 0.94 0.68 0.04 88.90 00:30:28 0 9.46 0.00 0.80 0.55 0.04 89.15 00:30:28 1 10.97 0.00 1.70 1.04 0.05 86.24 00:30:28 2 16.00 0.00 1.43 1.19 0.06 81.33 00:30:28 3 12.94 0.00 1.21 0.16 0.05 85.64 00:30:28 4 6.82 0.00 0.70 0.48 0.04 91.96 00:30:28 5 6.91 0.00 0.60 0.15 0.04 92.31 00:30:28 6 6.58 0.00 0.64 1.46 0.03 91.29 00:30:28 7 5.77 0.00 0.46 0.42 0.04 93.31 Average: all 20.49 0.00 1.19 0.54 0.06 77.73 Average: 0 19.38 0.00 1.03 0.40 0.06 79.12 Average: 1 23.05 0.00 1.77 0.64 0.07 74.47 Average: 2 23.26 0.00 1.43 0.87 0.06 74.37 Average: 3 22.92 0.00 1.40 0.56 0.06 75.05 Average: 4 24.01 0.00 1.14 0.43 0.06 74.36 Average: 5 17.68 0.00 0.88 0.17 0.05 81.22 Average: 6 16.82 0.00 0.94 0.90 0.05 81.29 Average: 7 16.82 0.00 0.89 0.31 0.06 81.93