---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3009 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 779 20289 4 11023 30844 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:e5:01:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.221/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fee5:1ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:4f:87:b5:fa:71 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3009) 03/19/26 _x86_64_ (8 CPU) 07:45:27 LINUX RESTART (8 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:16 15.91 0.48 14.67 0.76 19.04 4239.43 2547.22 08:10:16 7.57 0.28 6.37 0.92 4.56 512.24 86.33 08:20:01 340.15 0.53 333.86 5.77 6.12 22520.28 22969.37 Average: 118.55 0.43 115.68 2.44 10.02 8940.61 8366.59 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:16 22862932 26995996 5307752 16.15 168380 4157816 8689356 25.62 629048 8870820 20460 08:10:16 22018464 26245820 6056660 18.43 170140 4244436 9064160 26.73 658896 9683836 204 08:20:01 14570468 24855056 7386540 22.48 476788 9306576 4234316 12.49 1708944 15245716 1536 Average: 19817288 26032291 6250317 19.02 271769 5902943 7329277 21.61 998963 11266791 7400 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:16 lo 2.11 2.11 1.02 1.02 0.00 0.00 0.00 0.00 08:00:16 ens3 163.80 97.42 373.47 36.93 0.00 0.00 0.00 0.00 08:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:16 lo 5.84 5.84 0.97 0.97 0.00 0.00 0.00 0.00 08:10:16 ens3 8.82 7.39 2.14 2.90 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 0.37 0.37 0.06 0.06 0.00 0.00 0.00 0.00 08:20:01 ens3 145.55 93.89 949.39 26.87 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.79 2.79 0.69 0.69 0.00 0.00 0.00 0.00 Average: ens3 106.22 66.27 436.95 22.32 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3009) 03/19/26 _x86_64_ (8 CPU) 07:45:27 LINUX RESTART (8 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:16 all 44.88 0.00 1.64 0.03 0.07 53.38 08:00:16 0 44.88 0.00 1.69 0.02 0.07 53.34 08:00:16 1 41.42 0.00 1.52 0.00 0.07 56.98 08:00:16 2 42.15 0.00 1.60 0.01 0.06 56.18 08:00:16 3 45.95 0.00 1.60 0.01 0.07 52.37 08:00:16 4 44.14 0.00 1.52 0.07 0.06 54.21 08:00:16 5 48.69 0.00 1.99 0.02 0.06 49.24 08:00:16 6 38.86 0.00 1.58 0.12 0.09 59.34 08:00:16 7 52.92 0.00 1.59 0.01 0.07 45.42 08:10:16 all 96.84 0.00 2.93 0.00 0.10 0.13 08:10:16 0 96.60 0.00 3.16 0.00 0.10 0.14 08:10:16 1 96.92 0.00 2.82 0.00 0.10 0.17 08:10:16 2 97.15 0.00 2.62 0.00 0.10 0.13 08:10:16 3 96.52 0.00 3.24 0.00 0.11 0.13 08:10:16 4 96.85 0.00 2.92 0.00 0.10 0.13 08:10:16 5 96.95 0.00 2.82 0.00 0.10 0.13 08:10:16 6 97.18 0.00 2.61 0.00 0.10 0.11 08:10:16 7 96.53 0.00 3.24 0.00 0.11 0.12 08:20:01 all 56.52 0.00 2.99 0.32 0.09 40.08 08:20:01 0 52.68 0.00 2.57 0.27 0.08 44.40 08:20:01 1 58.33 0.00 3.12 0.37 0.09 38.09 08:20:01 2 59.53 0.00 2.71 0.29 0.09 37.38 08:20:01 3 61.74 0.00 3.23 0.30 0.09 34.63 08:20:01 4 56.94 0.00 3.51 0.31 0.09 39.15 08:20:01 5 54.03 0.00 3.27 0.53 0.08 42.08 08:20:01 6 54.85 0.00 2.72 0.22 0.08 42.12 08:20:01 7 54.10 0.00 2.78 0.30 0.08 42.73 Average: all 66.01 0.00 2.51 0.12 0.09 31.28 Average: 0 64.67 0.00 2.46 0.10 0.08 32.68 Average: 1 65.43 0.00 2.48 0.12 0.09 31.88 Average: 2 66.15 0.00 2.30 0.10 0.08 31.37 Average: 3 67.97 0.00 2.68 0.10 0.09 29.17 Average: 4 65.89 0.00 2.64 0.12 0.08 31.27 Average: 5 66.54 0.00 2.68 0.18 0.08 30.52 Average: 6 63.53 0.00 2.30 0.11 0.09 33.97 Average: 7 67.87 0.00 2.53 0.10 0.09 29.42