---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13904 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 25G 131G 17% / 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 851 14692 4 16547 30772 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:0d:f7:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.178/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83714sec preferred_lft 83714sec inet6 fe80::f816:3eff:fe0d:f7eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:44:fd:1f:80:b7 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::d844:fdff:fe1f:80b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13904) 08/20/26 _x86_64_ (8 CPU) 12:30:50 LINUX RESTART (8 CPU) 12:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 155.03 0.41 124.89 29.74 18.52 27071.75 472517.40 13:00:02 29.55 0.24 27.30 2.00 21.00 4634.25 27935.53 13:10:01 10.92 0.59 9.85 0.47 20.60 1612.98 7687.19 Average: 65.18 0.41 54.02 10.74 20.04 11108.33 169414.18 12:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 466844 20377296 11775856 35.83 587548 18434660 17967556 52.98 4772224 23957704 708 13:00:02 414680 18025496 13892892 42.28 570824 16409036 21255492 62.68 4616316 24132764 7592 13:10:01 350904 17635928 14286428 43.47 571432 16083048 21608000 63.72 4574092 24232784 11588 Average: 410809 18679573 13318392 40.53 576601 16975581 20277016 59.79 4654211 24107751 6629 12:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 0.58 0.58 0.18 0.18 0.00 0.00 0.00 0.00 12:50:02 ens3 77.41 42.23 1534.01 9.51 0.00 0.00 0.00 0.00 12:50:02 docker0 4.72 7.68 0.28 170.53 0.00 0.00 0.00 0.00 12:50:02 br-3941bc3dc4f9 0.32 0.29 0.15 0.02 0.00 0.00 0.00 0.00 12:50:02 veth200ef3c 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:50:02 veth25d8045 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:50:02 veth6bed95e 0.46 0.42 0.06 0.26 0.00 0.00 0.00 0.00 12:50:02 veth87c7e1b 71.84 75.81 36.11 37.38 0.00 0.00 0.00 0.00 12:50:02 vetha177b64 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:50:02 vethc1dfb93 71.71 67.25 49.95 33.00 0.00 0.00 0.00 0.00 12:50:02 vethc97d1ee 2.08 1.64 0.28 1.65 0.00 0.00 0.00 0.00 13:00:02 lo 27.95 27.95 112.34 112.34 0.00 0.00 0.00 0.00 13:00:02 ens3 3.94 3.52 2.13 1.21 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 br-3941bc3dc4f9 23.29 25.80 20.83 94.65 0.00 0.00 0.00 0.00 13:00:02 veth200ef3c 33.63 36.14 20.70 275.59 0.00 0.00 0.00 0.02 13:00:02 veth25d8045 18.51 18.36 182.80 48.02 0.00 0.00 0.00 0.01 13:00:02 veth6bed95e 10.96 10.99 47.77 26.01 0.00 0.00 0.00 0.00 13:00:02 veth87c7e1b 71.39 78.06 48.46 28.26 0.00 0.00 0.00 0.00 13:00:02 vetha177b64 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:00:02 vethc1dfb93 34.95 32.28 34.69 15.19 0.00 0.00 0.00 0.00 13:00:02 vethc97d1ee 48.80 45.00 20.66 35.51 0.00 0.00 0.00 0.00 13:10:01 lo 33.41 33.41 164.42 164.42 0.00 0.00 0.00 0.00 13:10:01 ens3 2.47 1.72 1.05 2.53 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 br-3941bc3dc4f9 29.25 29.57 34.63 131.57 0.00 0.00 0.00 0.00 13:10:01 veth200ef3c 33.16 33.43 35.17 155.92 0.00 0.00 0.00 0.01 13:10:01 veth25d8045 8.41 7.40 25.73 5.33 0.00 0.00 0.00 0.00 13:10:01 veth6bed95e 6.93 7.76 5.73 25.30 0.00 0.00 0.00 0.00 13:10:01 veth87c7e1b 61.80 67.95 47.64 22.51 0.00 0.00 0.00 0.00 13:10:01 vetha177b64 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 vethc1dfb93 42.60 39.82 34.31 23.79 0.00 0.00 0.00 0.00 13:10:01 vethc97d1ee 30.61 27.48 13.72 25.99 0.00 0.00 0.00 0.00 Average: lo 20.65 20.65 92.30 92.30 0.00 0.00 0.00 0.00 Average: ens3 27.95 15.83 512.50 4.42 0.00 0.00 0.00 0.00 Average: docker0 1.57 2.56 0.09 56.85 0.00 0.00 0.00 0.00 Average: br-3941bc3dc4f9 17.61 18.55 18.53 75.40 0.00 0.00 0.00 0.00 Average: veth200ef3c 22.27 23.23 18.62 143.83 0.00 0.00 0.00 0.01 Average: veth25d8045 8.99 8.63 69.52 17.79 0.00 0.00 0.00 0.01 Average: veth6bed95e 6.11 6.39 17.85 17.19 0.00 0.00 0.00 0.00 Average: veth87c7e1b 68.35 73.94 44.07 29.39 0.00 0.00 0.00 0.00 Average: vetha177b64 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethc1dfb93 49.76 46.45 39.65 23.99 0.00 0.00 0.00 0.00 Average: vethc97d1ee 27.17 24.71 11.56 21.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13904) 08/20/26 _x86_64_ (8 CPU) 12:30:50 LINUX RESTART (8 CPU) 12:40:02 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 11.75 0.02 2.15 0.73 0.08 85.27 12:50:02 0 11.23 0.02 2.40 0.50 0.08 85.78 12:50:02 1 9.90 0.03 2.16 0.86 0.08 86.98 12:50:02 2 12.58 0.01 2.25 0.67 0.07 84.41 12:50:02 3 11.53 0.03 2.13 0.57 0.07 85.67 12:50:02 4 11.28 0.03 1.89 0.61 0.08 86.11 12:50:02 5 12.75 0.02 2.02 1.26 0.07 83.87 12:50:02 6 11.67 0.01 2.13 0.70 0.07 85.42 12:50:02 7 13.04 0.02 2.24 0.67 0.08 83.95 13:00:02 all 9.82 0.01 2.25 0.13 0.10 87.69 13:00:02 0 9.65 0.00 2.84 0.13 0.10 87.28 13:00:02 1 9.40 0.00 2.37 0.15 0.10 87.99 13:00:02 2 9.79 0.00 2.17 0.14 0.10 87.81 13:00:02 3 9.56 0.01 2.18 0.04 0.11 88.11 13:00:02 4 8.77 0.00 2.00 0.14 0.10 88.98 13:00:02 5 10.12 0.01 2.07 0.21 0.11 87.47 13:00:02 6 10.64 0.01 2.22 0.09 0.11 86.94 13:00:02 7 10.63 0.02 2.15 0.12 0.11 86.98 13:10:01 all 7.63 0.00 2.10 0.04 0.11 90.12 13:10:01 0 7.62 0.00 2.80 0.03 0.11 89.44 13:10:01 1 7.34 0.00 2.16 0.04 0.11 90.35 13:10:01 2 7.72 0.00 2.16 0.05 0.12 89.96 13:10:01 3 7.81 0.00 1.94 0.02 0.11 90.13 13:10:01 4 7.39 0.00 1.98 0.03 0.12 90.48 13:10:01 5 7.84 0.00 1.85 0.01 0.11 90.18 13:10:01 6 7.99 0.00 2.03 0.10 0.12 89.77 13:10:01 7 7.31 0.00 1.85 0.03 0.11 90.69 Average: all 9.73 0.01 2.17 0.30 0.10 87.70 Average: 0 9.50 0.01 2.68 0.22 0.09 87.50 Average: 1 8.88 0.01 2.23 0.35 0.10 88.44 Average: 2 10.03 0.01 2.19 0.29 0.10 87.39 Average: 3 9.63 0.01 2.08 0.21 0.09 87.97 Average: 4 9.15 0.01 1.96 0.26 0.10 88.52 Average: 5 10.24 0.01 1.98 0.50 0.10 87.17 Average: 6 10.10 0.01 2.13 0.30 0.10 87.37 Average: 7 10.33 0.01 2.08 0.27 0.10 87.21