---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2466 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 22G 134G 14% / 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 822 16074 4 15195 30802 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:8d:4e:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.222/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84964sec preferred_lft 84964sec inet6 fe80::f816:3eff:fe8d:4e02/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:4a:8d:9e:14:77 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::d84a:8dff:fe9e:1477/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2466) 03/05/26 _x86_64_ (8 CPU) 13:57:28 LINUX RESTART (8 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 27.12 1.55 24.82 0.76 106.73 17989.15 16175.56 14:20:00 330.92 0.46 320.01 10.45 6.48 36243.74 29090.33 Average: 179.00 1.00 172.39 5.60 56.61 27115.23 22632.09 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 21353400 29220652 3075404 9.36 142864 7844716 3143672 9.27 1818080 9092244 304348 14:20:00 13233068 29118088 3100588 9.44 477132 14689464 2895964 8.54 4418880 13664944 222088 Average: 17293234 29169370 3087996 9.40 309998 11267090 3019818 8.91 3118480 11378594 263218 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 4.97 4.97 1.99 1.99 0.00 0.00 0.00 0.00 14:10:00 ens3 73.93 59.10 912.90 12.20 0.00 0.00 0.00 0.00 14:10:00 docker0 1.28 1.75 0.07 39.70 0.00 0.00 0.00 0.00 14:20:00 lo 1.19 1.19 0.27 0.27 0.00 0.00 0.00 0.00 14:20:00 ens3 153.87 113.30 2125.92 17.23 0.00 0.00 0.00 0.00 14:20:00 docker0 19.04 29.68 2.66 252.32 0.00 0.00 0.00 0.00 14:20:00 veth918004b 13.26 22.11 2.24 94.99 0.00 0.00 0.00 0.01 Average: lo 3.08 3.08 1.13 1.13 0.00 0.00 0.00 0.00 Average: ens3 113.90 86.19 1519.33 14.71 0.00 0.00 0.00 0.00 Average: docker0 10.16 15.71 1.36 146.00 0.00 0.00 0.00 0.00 Average: veth918004b 6.63 11.06 1.12 47.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2466) 03/05/26 _x86_64_ (8 CPU) 13:57:28 LINUX RESTART (8 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 35.07 0.00 1.34 0.21 0.08 63.31 14:10:00 0 36.55 0.00 1.25 0.11 0.08 62.01 14:10:00 1 32.50 0.00 1.31 0.40 0.08 65.72 14:10:00 2 38.85 0.00 1.50 0.03 0.07 59.54 14:10:00 3 41.55 0.00 1.16 0.20 0.08 57.01 14:10:00 4 31.67 0.00 1.24 0.40 0.07 66.61 14:10:00 5 42.25 0.00 1.72 0.28 0.09 55.66 14:10:00 6 31.24 0.00 1.41 0.18 0.08 67.08 14:10:00 7 25.93 0.00 1.13 0.09 0.07 72.79 14:20:00 all 13.80 0.00 2.74 1.75 0.06 81.64 14:20:00 0 7.31 0.00 2.21 2.96 0.06 87.47 14:20:00 1 16.30 0.00 3.44 1.83 0.07 78.36 14:20:00 2 13.30 0.00 2.45 1.77 0.06 82.42 14:20:00 3 18.12 0.00 3.02 1.19 0.06 77.61 14:20:00 4 10.66 0.00 2.53 0.92 0.06 85.82 14:20:00 5 15.00 0.00 3.64 1.88 0.06 79.41 14:20:00 6 14.13 0.00 2.53 2.10 0.07 81.18 14:20:00 7 15.60 0.00 2.13 1.35 0.07 80.86 Average: all 24.45 0.00 2.04 0.98 0.07 72.46 Average: 0 21.94 0.00 1.73 1.53 0.07 74.74 Average: 1 24.41 0.00 2.38 1.11 0.07 72.03 Average: 2 26.10 0.00 1.97 0.90 0.07 70.96 Average: 3 29.86 0.00 2.09 0.70 0.07 67.29 Average: 4 21.20 0.00 1.89 0.66 0.07 76.19 Average: 5 28.65 0.00 2.68 1.08 0.07 67.52 Average: 6 22.71 0.00 1.97 1.14 0.07 74.11 Average: 7 20.78 0.00 1.63 0.72 0.07 76.81