---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13480 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 979 11736 4 19376 30645 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:e7:ac:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.1/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84330sec preferred_lft 84330sec inet6 fe80::f816:3eff:fee7:ac97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:6f:13:84:de:a4 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::c46f:13ff:fe84:dea4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-13480) 07/28/26 _x86_64_ (8 CPU) 20:59:00 LINUX RESTART (8 CPU) 21:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:02 645.82 4.74 624.03 17.04 309.63 61588.73 78455.88 21:20:01 127.69 0.31 122.91 4.47 14.64 15187.53 13790.14 21:30:13 33.88 0.10 11.22 22.56 3.96 482.55 445728.58 Average: 262.39 1.67 246.01 14.71 105.96 25091.05 182552.71 21:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:02 10529868 27516336 4695960 14.29 539332 15688864 4962684 14.63 3982252 16788568 34352 21:20:01 1721576 21615672 10534100 32.06 600244 18386868 16817896 49.59 4842724 22617896 880 21:30:13 378240 20376488 11771968 35.82 600836 18485684 17792368 52.47 4894552 23884892 120 Average: 4209895 23169499 9000676 27.39 580137 17520472 13190983 38.90 4573176 21097119 11784 21:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:02 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 21:10:02 ens3 601.23 348.78 3824.04 111.72 0.00 0.00 0.00 0.00 21:10:02 docker0 18.16 34.97 1.12 789.61 0.00 0.00 0.00 0.00 21:20:01 lo 0.51 0.51 0.03 0.03 0.00 0.00 0.00 0.00 21:20:01 ens3 57.26 44.86 1026.18 10.37 0.00 0.00 0.00 0.00 21:20:01 docker0 2.89 4.67 0.18 97.90 0.00 0.00 0.00 0.00 21:20:01 br-996e32d97f87 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 21:20:01 vetha7ce54d 0.42 0.40 0.05 0.23 0.00 0.00 0.00 0.00 21:20:01 veth00821c5 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 21:20:01 vethe5d85c7 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 21:20:01 veth00d773c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 21:20:01 vethd6c16f6 53.86 56.93 22.01 28.36 0.00 0.00 0.00 0.00 21:20:01 veth3025728 52.56 49.01 39.40 18.63 0.00 0.00 0.00 0.00 21:20:01 veth1c50c72 0.81 1.54 0.87 12.04 0.00 0.00 0.00 0.00 21:20:01 vethc1a643c 1.90 1.51 0.26 1.51 0.00 0.00 0.00 0.00 21:30:13 lo 9.68 9.68 52.71 52.71 0.00 0.00 0.00 0.00 21:30:13 ens3 9.73 7.84 3.05 3.26 0.00 0.00 0.00 0.00 21:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:13 br-996e32d97f87 5.60 5.20 51.71 1.12 0.00 0.00 0.00 0.00 21:30:13 vetha7ce54d 0.40 0.21 0.07 0.34 0.00 0.00 0.00 0.00 21:30:13 veth00821c5 0.22 0.20 0.02 0.08 0.00 0.00 0.00 0.00 21:30:13 vethe5d85c7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:13 veth00d773c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:13 vethd6c16f6 330.39 356.03 267.08 157.79 0.00 0.00 0.00 0.02 21:30:13 veth3025728 122.19 113.03 102.69 76.07 0.00 0.00 0.00 0.01 21:30:13 vethc1a643c 242.43 225.69 111.26 195.20 0.00 0.00 0.00 0.02 Average: lo 3.74 3.74 18.09 18.09 0.00 0.00 0.00 0.00 Average: ens3 216.13 130.03 1576.60 40.57 0.00 0.00 0.00 0.00 Average: docker0 6.82 12.82 0.42 287.08 0.00 0.00 0.00 0.00 Average: br-996e32d97f87 2.02 1.87 17.72 0.39 0.00 0.00 0.00 0.00 Average: vetha7ce54d 0.28 0.21 0.04 0.19 0.00 0.00 0.00 0.00 Average: veth00821c5 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethe5d85c7 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth00d773c 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd6c16f6 131.23 141.04 98.86 63.56 0.00 0.00 0.00 0.01 Average: veth3025728 59.49 55.16 48.39 32.31 0.00 0.00 0.00 0.00 Average: vethc1a643c 83.67 77.81 38.19 67.36 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-13480) 07/28/26 _x86_64_ (8 CPU) 20:59:00 LINUX RESTART (8 CPU) 21:00:27 CPU %user %nice %system %iowait %steal %idle 21:10:02 all 36.49 0.00 4.92 4.04 0.11 54.44 21:10:02 0 36.35 0.00 4.67 2.53 0.11 56.34 21:10:02 1 38.07 0.00 5.19 3.64 0.11 52.98 21:10:02 2 39.58 0.00 5.31 4.94 0.12 50.05 21:10:02 3 36.60 0.00 4.73 4.51 0.12 54.05 21:10:02 4 33.37 0.00 4.57 4.51 0.11 57.44 21:10:02 5 35.89 0.00 4.98 4.23 0.11 54.79 21:10:02 6 36.08 0.00 4.80 3.63 0.11 55.37 21:10:02 7 35.99 0.00 5.09 4.31 0.11 54.49 21:20:01 all 10.81 0.03 1.95 1.70 0.06 85.45 21:20:01 0 9.88 0.03 1.92 1.17 0.06 86.94 21:20:01 1 10.66 0.00 1.78 1.30 0.06 86.19 21:20:01 2 11.12 0.03 1.96 2.21 0.06 84.62 21:20:01 3 10.84 0.02 2.08 1.29 0.07 85.71 21:20:01 4 12.02 0.04 2.22 1.58 0.07 84.07 21:20:01 5 9.38 0.02 1.83 1.30 0.06 87.40 21:20:01 6 11.59 0.02 1.69 2.13 0.06 84.51 21:20:01 7 10.99 0.05 2.12 2.65 0.07 84.13 21:30:13 all 7.42 0.00 1.32 0.11 0.07 91.08 21:30:13 0 6.80 0.00 1.28 0.01 0.06 91.85 21:30:13 1 7.52 0.00 1.53 0.22 0.07 90.65 21:30:13 2 8.95 0.00 1.51 0.11 0.08 89.35 21:30:13 3 7.33 0.00 1.23 0.26 0.07 91.11 21:30:13 4 7.52 0.00 1.29 0.04 0.06 91.09 21:30:13 5 6.78 0.00 1.22 0.12 0.07 91.81 21:30:13 6 7.69 0.00 1.23 0.02 0.06 90.99 21:30:13 7 6.82 0.00 1.30 0.07 0.06 91.76 Average: all 17.94 0.01 2.69 1.91 0.08 77.37 Average: 0 17.36 0.01 2.59 1.21 0.08 78.75 Average: 1 18.44 0.00 2.80 1.69 0.08 76.99 Average: 2 19.57 0.01 2.89 2.38 0.09 75.07 Average: 3 17.95 0.01 2.64 1.97 0.08 77.34 Average: 4 17.37 0.01 2.66 2.00 0.08 77.88 Average: 5 17.04 0.01 2.64 1.84 0.08 78.39 Average: 6 18.15 0.01 2.54 1.90 0.08 77.33 Average: 7 17.62 0.02 2.79 2.30 0.08 77.19