---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19188 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 880 9137 4 22075 30744 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:23:8d:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.7/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84129sec preferred_lft 84129sec inet6 fe80::f816:3eff:fe23:8db4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:18:94:f4:e3:e2 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::418:94ff:fef4:e3e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19188) 02/22/26 _x86_64_ (8 CPU) 09:56:20 LINUX RESTART (8 CPU) 10:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 462.02 1.27 452.43 8.32 452.46 57333.75 61496.05 10:20:02 106.47 0.21 101.55 4.71 2.05 14518.70 29339.15 10:30:02 3.53 0.00 3.42 0.11 0.00 576.05 1235.43 Average: 190.50 0.49 185.63 4.38 151.28 24121.67 30674.31 10:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9623684 27055160 5160060 15.70 529580 16157436 5157396 15.21 4818096 16898860 1186772 10:20:02 7135848 27009084 5416584 16.48 562432 18234848 5798856 17.10 5616308 18405744 156 10:30:02 6991828 27022772 5441480 16.56 570604 18312300 5848576 17.25 5648656 18501668 660 Average: 7917120 27029005 5339375 16.25 554205 17568195 5601609 16.52 5361020 17935424 395863 10:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.51 0.51 0.10 0.10 0.00 0.00 0.00 0.00 10:10:01 ens3 259.07 158.77 2600.38 36.11 0.00 0.00 0.00 0.00 10:10:01 docker0 25.50 43.12 1.45 728.25 0.00 0.00 0.00 0.00 10:20:02 lo 0.16 0.16 0.02 0.02 0.00 0.00 0.00 0.00 10:20:02 ens3 42.31 27.86 552.09 7.46 0.00 0.00 0.00 0.00 10:20:02 docker0 13.09 21.56 0.81 332.68 0.00 0.00 0.00 0.00 10:20:02 veth143a183 5.19 10.63 0.45 164.11 0.00 0.00 0.00 0.01 10:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:02 ens3 17.68 11.09 42.35 2.70 0.00 0.00 0.00 0.00 10:30:02 docker0 10.83 15.95 2.07 41.47 0.00 0.00 0.00 0.00 10:30:02 veth143a183 10.83 15.96 2.22 41.47 0.00 0.00 0.00 0.00 Average: lo 0.26 0.26 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 106.25 65.84 1063.93 15.41 0.00 0.00 0.00 0.00 Average: docker0 16.46 26.86 1.44 367.27 0.00 0.00 0.00 0.00 Average: veth143a183 5.34 8.87 0.89 68.61 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19188) 02/22/26 _x86_64_ (8 CPU) 09:56:20 LINUX RESTART (8 CPU) 10:00:02 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 17.94 0.00 3.71 0.80 0.07 77.50 10:10:01 0 17.48 0.00 3.46 0.53 0.07 78.46 10:10:01 1 21.36 0.00 4.46 0.99 0.07 73.12 10:10:01 2 20.63 0.00 4.49 1.11 0.07 73.70 10:10:01 3 18.67 0.00 3.92 0.59 0.07 76.75 10:10:01 4 15.01 0.00 3.63 0.85 0.06 80.45 10:10:01 5 15.47 0.00 3.12 0.60 0.06 80.75 10:10:01 6 15.82 0.00 2.94 0.93 0.07 80.25 10:10:01 7 19.06 0.00 3.64 0.76 0.06 76.49 10:20:02 all 16.96 0.00 1.03 0.25 0.04 81.72 10:20:02 0 17.92 0.00 1.04 0.26 0.05 80.74 10:20:02 1 32.07 0.00 1.11 0.49 0.05 66.29 10:20:02 2 9.38 0.00 1.19 0.38 0.04 89.00 10:20:02 3 17.71 0.00 1.05 0.18 0.04 81.02 10:20:02 4 7.36 0.00 0.92 0.18 0.02 91.51 10:20:02 5 8.16 0.00 0.81 0.19 0.05 90.79 10:20:02 6 6.65 0.00 1.04 0.19 0.05 92.08 10:20:02 7 36.40 0.00 1.11 0.12 0.04 62.34 10:30:02 all 10.89 0.00 0.27 0.01 0.03 88.80 10:30:02 0 6.96 0.00 0.24 0.01 0.05 92.73 10:30:02 1 0.35 0.00 0.11 0.00 0.02 99.52 10:30:02 2 0.66 0.00 0.15 0.01 0.02 99.16 10:30:02 3 11.18 0.00 0.30 0.00 0.02 88.50 10:30:02 4 0.48 0.00 0.17 0.00 0.00 99.35 10:30:02 5 0.77 0.00 0.15 0.01 0.04 99.03 10:30:02 6 0.42 0.00 0.06 0.07 0.03 99.43 10:30:02 7 66.30 0.00 0.95 0.01 0.05 32.70 Average: all 15.25 0.00 1.66 0.35 0.04 82.69 Average: 0 14.11 0.00 1.57 0.27 0.06 83.99 Average: 1 17.91 0.00 1.89 0.49 0.04 79.67 Average: 2 10.19 0.00 1.94 0.50 0.05 87.33 Average: 3 15.85 0.00 1.75 0.26 0.04 82.11 Average: 4 7.60 0.00 1.57 0.34 0.03 90.47 Average: 5 8.12 0.00 1.36 0.27 0.05 90.21 Average: 6 7.61 0.00 1.34 0.39 0.05 90.61 Average: 7 40.65 0.00 1.89 0.29 0.05 57.12