---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2375 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 26G 130G 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 1021 16089 4 14981 30602 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:e5:a4:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.180/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84436sec preferred_lft 84436sec inet6 fe80::f816:3eff:fee5:a4f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:90:c7:13:49:2a 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::4c90:c7ff:fe13:492a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2375) 10/17/26 _x86_64_ (8 CPU) 04:20:21 LINUX RESTART (8 CPU) 04:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:26 135.37 0.22 129.15 6.00 4.28 28757.14 19319.59 04:50:27 65.73 0.99 34.42 30.32 28.35 6191.90 471903.84 Average: 100.96 0.60 82.34 18.02 16.17 17607.28 242948.97 04:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:26 1392992 21673348 10475792 31.88 593296 18783676 16804508 49.55 5105868 22695120 420 04:50:27 4178188 19699772 12366016 37.63 577100 14183472 19102784 56.33 4936856 20094088 35432 Average: 2785590 20686560 11420904 34.75 585198 16483574 17953646 52.94 5021362 21394604 17926 04:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:26 lo 0.46 0.46 0.03 0.03 0.00 0.00 0.00 0.00 04:40:26 ens3 129.24 76.35 1833.46 14.11 0.00 0.00 0.00 0.00 04:40:26 docker0 17.44 32.17 1.14 344.11 0.00 0.00 0.00 0.00 04:40:26 br-99c48753fb55 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 04:40:26 veth3a53942 0.45 0.42 0.05 0.25 0.00 0.00 0.00 0.00 04:40:26 veth62d8368 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 04:40:26 veth42c3b72 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 04:40:26 veth1f03de2 50.02 53.29 23.47 29.91 0.00 0.00 0.00 0.00 04:40:26 vethcc2fdfd 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 04:40:26 veth61c6d8f 49.28 45.56 41.02 20.16 0.00 0.00 0.00 0.00 04:40:26 veth5deff4b 0.85 1.55 0.90 12.04 0.00 0.00 0.00 0.00 04:40:26 veth77ac893 1.93 1.52 0.26 1.56 0.00 0.00 0.00 0.00 04:50:27 lo 66.98 66.98 293.90 293.90 0.00 0.00 0.00 0.00 04:50:27 ens3 4.63 4.36 4.21 1.73 0.00 0.00 0.00 0.00 04:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:27 br-99c48753fb55 52.72 60.42 71.14 228.62 0.00 0.00 0.00 0.00 04:50:27 veth3a53942 19.78 20.69 78.76 59.31 0.00 0.00 0.00 0.01 04:50:27 veth62d8368 0.16 0.15 0.02 0.05 0.00 0.00 0.00 0.00 04:50:27 veth42c3b72 34.17 33.30 315.09 79.08 0.00 0.00 0.00 0.03 04:50:27 veth1f03de2 117.68 122.58 88.64 53.01 0.00 0.00 0.00 0.01 04:50:27 vethcc2fdfd 71.48 79.71 71.61 540.10 0.00 0.00 0.00 0.04 04:50:27 veth61c6d8f 75.85 70.51 82.76 49.35 0.00 0.00 0.00 0.01 04:50:27 veth77ac893 56.66 56.52 31.69 43.69 0.00 0.00 0.00 0.00 Average: lo 33.32 33.32 145.24 145.24 0.00 0.00 0.00 0.00 Average: ens3 67.66 40.78 929.60 7.99 0.00 0.00 0.00 0.00 Average: docker0 8.82 16.27 0.58 174.08 0.00 0.00 0.00 0.00 Average: br-99c48753fb55 26.20 29.99 35.16 112.97 0.00 0.00 0.00 0.00 Average: veth3a53942 10.00 10.44 38.94 29.43 0.00 0.00 0.00 0.00 Average: veth62d8368 0.10 0.14 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth42c3b72 16.90 16.52 155.69 39.08 0.00 0.00 0.00 0.01 Average: veth1f03de2 83.45 87.53 55.67 41.33 0.00 0.00 0.00 0.00 Average: vethcc2fdfd 35.33 39.44 35.38 266.88 0.00 0.00 0.00 0.02 Average: veth61c6d8f 62.41 57.89 61.64 34.58 0.00 0.00 0.00 0.01 Average: veth77ac893 28.97 28.70 15.79 22.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2375) 10/17/26 _x86_64_ (8 CPU) 04:20:21 LINUX RESTART (8 CPU) 04:30:11 CPU %user %nice %system %iowait %steal %idle 04:40:26 all 11.72 0.03 2.73 0.63 0.01 84.88 04:40:26 0 11.22 0.04 3.01 0.38 0.01 85.35 04:40:26 1 11.26 0.03 2.96 0.52 0.01 85.23 04:40:26 2 11.55 0.01 2.68 0.55 0.01 85.21 04:40:26 3 11.69 0.03 2.68 0.71 0.01 84.88 04:40:26 4 11.70 0.02 2.57 0.81 0.01 84.90 04:40:26 5 12.23 0.03 2.56 0.60 0.01 84.57 04:40:26 6 11.14 0.03 2.66 0.81 0.01 85.35 04:40:26 7 12.98 0.03 2.76 0.64 0.01 83.58 04:50:27 all 22.45 0.01 4.66 0.19 0.02 72.68 04:50:27 0 22.12 0.03 5.50 0.12 0.01 72.22 04:50:27 1 21.96 0.02 5.05 0.17 0.02 72.79 04:50:27 2 22.42 0.01 4.67 0.18 0.02 72.71 04:50:27 3 22.63 0.00 4.60 0.47 0.02 72.28 04:50:27 4 22.87 0.01 4.58 0.11 0.02 72.42 04:50:27 5 22.80 0.01 4.32 0.22 0.02 72.64 04:50:27 6 22.71 0.02 4.29 0.11 0.02 72.85 04:50:27 7 22.10 0.00 4.21 0.12 0.02 73.55 Average: all 17.02 0.02 3.68 0.41 0.01 78.85 Average: 0 16.63 0.03 4.25 0.25 0.01 78.83 Average: 1 16.55 0.02 3.99 0.35 0.01 79.08 Average: 2 16.91 0.01 3.66 0.36 0.01 79.04 Average: 3 17.09 0.01 3.63 0.59 0.01 78.66 Average: 4 17.21 0.01 3.56 0.46 0.01 78.74 Average: 5 17.44 0.02 3.43 0.41 0.01 78.69 Average: 6 16.86 0.02 3.47 0.46 0.01 79.18 Average: 7 17.48 0.02 3.47 0.39 0.01 78.63