---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30825 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 12G 144G 8% / 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 906 24649 4 6536 30718 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:ec:5d:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84306sec preferred_lft 84306sec inet6 fe80::f816:3eff:feec:5d9d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:53:79:6f:fe: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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30825) 06/26/26 _x86_64_ (8 CPU) 11:19:11 LINUX RESTART (8 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 54.25 3.84 32.99 17.43 577.52 6570.12 523559.39 11:40:01 31.85 0.12 27.55 4.18 5.26 2376.63 11057.56 11:50:01 33.17 0.02 29.00 4.15 0.65 3040.50 17997.53 Average: 39.75 1.32 29.84 8.58 194.41 3995.15 184138.70 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 25660492 29368656 2941180 8.95 157720 3779160 2969832 8.76 821404 5925984 55056 11:40:01 25035604 29121804 3184072 9.69 192784 4083984 3108024 9.17 930792 6404932 43612 11:50:01 24557652 29237484 3063564 9.32 217324 4609328 3523616 10.39 1054612 6709800 87656 Average: 25084583 29242648 3062939 9.32 189276 4157491 3200491 9.44 935603 6346905 62108 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 879.02 879.02 836.97 836.97 0.00 0.00 0.00 0.00 11:30:01 ens3 113.47 86.49 1088.89 14.74 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1894.53 1894.53 1804.44 1804.44 0.00 0.00 0.00 0.00 11:40:01 ens3 19.20 16.32 8.12 5.45 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 1796.84 1796.84 1710.95 1710.95 0.00 0.00 0.00 0.00 11:50:01 ens3 24.18 20.09 9.15 6.86 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1523.60 1523.60 1450.92 1450.92 0.00 0.00 0.00 0.00 Average: ens3 52.27 40.96 368.58 9.01 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30825) 06/26/26 _x86_64_ (8 CPU) 11:19:11 LINUX RESTART (8 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 38.19 0.00 1.68 0.64 0.08 59.41 11:30:01 0 34.50 0.00 1.30 0.45 0.08 63.68 11:30:01 1 36.58 0.00 1.71 2.18 0.08 59.45 11:30:01 2 35.02 0.00 1.59 0.28 0.07 63.04 11:30:01 3 41.11 0.00 2.01 1.19 0.08 55.61 11:30:01 4 43.68 0.00 1.71 0.27 0.08 54.25 11:30:01 5 32.99 0.00 1.46 0.39 0.07 65.09 11:30:01 6 43.17 0.00 1.78 0.15 0.07 54.83 11:30:01 7 38.49 0.00 1.87 0.23 0.08 59.33 11:40:01 all 37.32 0.00 1.75 0.06 0.07 60.80 11:40:01 0 40.87 0.00 1.53 0.03 0.07 57.49 11:40:01 1 38.18 0.00 1.85 0.04 0.07 59.86 11:40:01 2 37.32 0.00 1.86 0.05 0.07 60.71 11:40:01 3 34.54 0.00 1.63 0.09 0.07 63.68 11:40:01 4 39.25 0.00 1.64 0.05 0.07 58.98 11:40:01 5 37.14 0.00 1.75 0.06 0.08 60.97 11:40:01 6 36.82 0.00 1.87 0.05 0.06 61.19 11:40:01 7 34.43 0.00 1.86 0.12 0.07 63.53 11:50:01 all 38.03 0.00 1.90 0.08 0.07 59.91 11:50:01 0 38.02 0.00 2.08 0.07 0.07 59.76 11:50:01 1 39.47 0.00 2.06 0.02 0.08 58.37 11:50:01 2 38.38 0.00 2.11 0.10 0.08 59.33 11:50:01 3 41.41 0.00 1.44 0.07 0.08 57.00 11:50:01 4 40.10 0.00 1.66 0.04 0.07 58.13 11:50:01 5 35.79 0.00 1.83 0.07 0.07 62.24 11:50:01 6 33.70 0.00 1.81 0.05 0.07 64.38 11:50:01 7 37.40 0.00 2.25 0.23 0.08 60.05 Average: all 37.85 0.00 1.78 0.26 0.07 60.04 Average: 0 37.80 0.00 1.63 0.19 0.07 60.31 Average: 1 38.08 0.00 1.87 0.74 0.08 59.23 Average: 2 36.91 0.00 1.85 0.14 0.07 61.02 Average: 3 39.01 0.00 1.69 0.45 0.08 58.77 Average: 4 41.01 0.00 1.67 0.12 0.07 57.12 Average: 5 35.31 0.00 1.68 0.17 0.07 62.77 Average: 6 37.89 0.00 1.82 0.08 0.07 60.14 Average: 7 36.77 0.00 1.99 0.19 0.07 60.97