---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4334 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: 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 25G 131G 16% / 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 869 12382 3 18840 30755 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:6d:be:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.235/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84528sec preferred_lft 84528sec inet6 fe80::f816:3eff:fe6d:be7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:b7:6a:53:b6:c5 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::74b7:6aff:fe53:b6c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4334) 04/07/26 _x86_64_ (8 CPU) 08:13:39 LINUX RESTART (8 CPU) 08:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 233.26 0.37 225.13 7.76 16.80 40322.00 52690.52 08:40:04 36.37 0.13 10.97 25.26 5.44 483.04 454451.16 Average: 132.39 0.25 115.42 16.73 10.98 19912.35 258514.00 08:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 1355020 20803552 11348508 34.53 594852 17980896 16866956 49.74 4775624 23032264 652 08:40:04 252988 19781668 12369424 37.64 595512 18056340 17822200 52.56 4828192 24085744 2224 Average: 804004 20292610 11858966 36.09 595182 18018618 17344578 51.15 4801908 23559004 1438 08:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 0.65 0.65 0.09 0.09 0.00 0.00 0.00 0.00 08:30:01 ens3 140.87 99.34 1932.67 22.31 0.00 0.00 0.00 0.00 08:30:01 docker0 17.92 32.43 1.01 577.69 0.00 0.00 0.00 0.00 08:30:01 br-fbb9e05d08a0 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:30:01 veth98e1d7e 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth3fb4780 0.39 0.39 0.04 0.18 0.00 0.00 0.00 0.00 08:30:01 veth36b5f3f 32.78 33.64 9.82 9.44 0.00 0.00 0.00 0.00 08:30:01 vethfb8c841 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth5ffc053 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth59dad83 28.26 27.36 10.70 6.04 0.00 0.00 0.00 0.00 08:30:01 veth456f9bf 0.31 0.45 0.42 2.33 0.00 0.00 0.00 0.00 08:30:01 vethc302ae3 1.49 1.19 0.20 1.28 0.00 0.00 0.00 0.00 08:40:04 lo 8.20 8.20 36.67 36.67 0.00 0.00 0.00 0.00 08:40:04 ens3 14.88 9.80 4.79 4.54 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 br-fbb9e05d08a0 4.43 4.29 35.81 0.94 0.00 0.00 0.00 0.00 08:40:04 veth98e1d7e 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 08:40:04 veth3fb4780 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 08:40:04 veth36b5f3f 307.57 331.87 242.92 157.19 0.00 0.00 0.00 0.02 08:40:04 vethfb8c841 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 veth5ffc053 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 veth59dad83 128.59 118.30 109.97 76.54 0.00 0.00 0.00 0.01 08:40:04 vethc302ae3 211.72 197.16 96.92 170.56 0.00 0.00 0.00 0.01 Average: lo 4.52 4.52 18.83 18.83 0.00 0.00 0.00 0.00 Average: ens3 76.33 53.47 945.01 13.21 0.00 0.00 0.00 0.00 Average: docker0 8.74 15.82 0.49 281.73 0.00 0.00 0.00 0.00 Average: br-fbb9e05d08a0 2.42 2.33 18.35 0.49 0.00 0.00 0.00 0.00 Average: veth98e1d7e 0.13 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth3fb4780 0.39 0.30 0.06 0.27 0.00 0.00 0.00 0.00 Average: veth36b5f3f 173.55 186.43 129.24 85.13 0.00 0.00 0.00 0.01 Average: vethfb8c841 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5ffc053 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth59dad83 79.66 73.95 61.56 42.16 0.00 0.00 0.00 0.01 Average: vethc302ae3 109.19 101.59 49.75 88.00 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4334) 04/07/26 _x86_64_ (8 CPU) 08:13:39 LINUX RESTART (8 CPU) 08:20:27 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 15.57 0.02 2.54 0.61 0.06 81.19 08:30:01 0 16.09 0.01 2.75 0.79 0.06 80.31 08:30:01 1 13.63 0.02 2.47 0.42 0.06 83.41 08:30:01 2 14.18 0.02 2.42 0.66 0.06 82.66 08:30:01 3 14.63 0.02 2.40 0.58 0.07 82.30 08:30:01 4 17.58 0.02 2.64 0.93 0.06 78.77 08:30:01 5 15.04 0.05 2.20 0.42 0.06 82.23 08:30:01 6 18.88 0.02 2.88 0.74 0.07 77.42 08:30:01 7 14.55 0.01 2.60 0.38 0.06 82.39 08:40:04 all 7.29 0.00 1.20 0.05 0.06 91.40 08:40:04 0 7.44 0.00 1.23 0.01 0.06 91.26 08:40:04 1 8.71 0.00 1.40 0.12 0.06 89.71 08:40:04 2 6.83 0.00 1.18 0.08 0.06 91.85 08:40:04 3 7.03 0.00 1.10 0.02 0.06 91.80 08:40:04 4 7.59 0.00 1.31 0.08 0.06 90.96 08:40:04 5 6.53 0.00 0.95 0.04 0.05 92.43 08:40:04 6 7.35 0.00 1.15 0.02 0.06 91.41 08:40:04 7 6.88 0.00 1.25 0.04 0.06 91.78 Average: all 11.34 0.01 1.86 0.33 0.06 86.41 Average: 0 11.67 0.01 1.97 0.39 0.06 85.90 Average: 1 11.11 0.01 1.92 0.27 0.06 86.62 Average: 2 10.43 0.01 1.79 0.37 0.06 87.35 Average: 3 10.73 0.01 1.73 0.29 0.06 87.17 Average: 4 12.48 0.01 1.96 0.50 0.06 85.00 Average: 5 10.68 0.03 1.56 0.22 0.06 87.45 Average: 6 12.99 0.01 2.00 0.37 0.06 84.58 Average: 7 10.63 0.01 1.91 0.21 0.06 87.19