---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1981 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: 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 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 838 14312 4 16941 30785 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:81:e6:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.10/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83761sec preferred_lft 83761sec inet6 fe80::f816:3eff:fe81:e6bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:37:6f:d1:c2:c3 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::7837:6fff:fed1:c2c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1981) 10/15/26 _x86_64_ (8 CPU) 14:30:31 LINUX RESTART (8 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 125.99 0.24 119.93 5.82 4.76 28960.38 18859.56 15:00:20 44.27 0.29 41.38 2.60 10.09 6574.83 15234.69 15:10:20 7.37 0.04 6.97 0.37 0.37 1420.09 81.85 Average: 59.13 0.19 56.01 2.93 5.12 12277.08 11439.32 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 1490256 21965572 10183308 30.99 591704 18972424 16543876 48.79 4865812 22819868 412 15:00:20 2784900 20202448 11721508 35.67 575728 16188556 18294396 53.95 4804932 21564724 11544 15:10:20 2145012 19636408 11966348 36.41 575968 16584216 18753696 55.30 4806228 22207832 12548 Average: 2140056 20601476 11290388 34.36 581133 17248399 17863989 52.68 4825657 22197475 8168 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 0.45 0.45 0.03 0.03 0.00 0.00 0.00 0.00 14:50:02 ens3 107.85 58.03 1856.69 12.35 0.00 0.00 0.00 0.00 14:50:02 docker0 11.16 22.99 0.64 353.29 0.00 0.00 0.00 0.00 14:50:02 br-34fff90d4bbd 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 14:50:02 veth9933c8e 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:50:02 vethcabbffd 60.86 64.41 28.34 33.46 0.00 0.00 0.00 0.00 14:50:02 veth7c5e3af 0.46 0.42 0.06 0.26 0.00 0.00 0.00 0.00 14:50:02 veth2a82f7a 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 14:50:02 veth265e40d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:50:02 vetha39cf35 60.35 56.21 45.50 25.02 0.00 0.00 0.00 0.00 14:50:02 vethd66a9e4 0.92 1.72 1.05 13.00 0.00 0.00 0.00 0.00 14:50:02 vethbcac101 2.04 1.63 0.28 1.65 0.00 0.00 0.00 0.00 15:00:20 lo 27.67 27.67 117.67 117.67 0.00 0.00 0.00 0.00 15:00:20 ens3 4.02 3.57 5.35 1.14 0.00 0.00 0.00 0.00 15:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:20 br-34fff90d4bbd 19.13 21.83 25.62 97.35 0.00 0.00 0.00 0.00 15:00:20 veth9933c8e 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 15:00:20 vethcabbffd 59.07 62.52 42.46 27.66 0.00 0.00 0.00 0.00 15:00:20 veth7c5e3af 10.18 10.21 46.25 21.54 0.00 0.00 0.00 0.00 15:00:20 veth2a82f7a 28.93 31.81 25.29 271.24 0.00 0.00 0.00 0.02 15:00:20 veth265e40d 17.70 17.36 175.67 46.50 0.00 0.00 0.00 0.01 15:00:20 vetha39cf35 36.62 33.60 33.52 22.89 0.00 0.00 0.00 0.00 15:00:20 vethbcac101 31.32 31.06 17.25 21.92 0.00 0.00 0.00 0.00 15:10:20 lo 34.15 34.15 174.72 174.72 0.00 0.00 0.00 0.00 15:10:20 ens3 0.65 0.45 0.22 0.60 0.00 0.00 0.00 0.00 15:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:20 br-34fff90d4bbd 23.93 24.52 46.45 129.33 0.00 0.00 0.00 0.00 15:10:20 veth9933c8e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:20 vethcabbffd 47.17 50.62 35.62 19.72 0.00 0.00 0.00 0.00 15:10:20 veth7c5e3af 6.86 7.80 5.51 27.29 0.00 0.00 0.00 0.00 15:10:20 veth2a82f7a 27.79 28.44 46.91 155.26 0.00 0.00 0.00 0.01 15:10:20 veth265e40d 8.39 7.34 27.30 5.10 0.00 0.00 0.00 0.00 15:10:20 vetha39cf35 36.61 33.98 35.47 21.25 0.00 0.00 0.00 0.00 15:10:20 vethbcac101 19.28 18.54 11.77 16.51 0.00 0.00 0.00 0.00 Average: lo 20.80 20.80 97.58 97.58 0.00 0.00 0.00 0.00 Average: ens3 37.24 20.55 615.74 4.67 0.00 0.00 0.00 0.00 Average: docker0 3.69 7.60 0.21 116.81 0.00 0.00 0.00 0.00 Average: br-34fff90d4bbd 14.48 15.59 24.02 75.71 0.00 0.00 0.00 0.00 Average: veth9933c8e 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethcabbffd 55.74 59.22 35.54 26.96 0.00 0.00 0.00 0.00 Average: veth7c5e3af 5.88 6.18 17.55 16.40 0.00 0.00 0.00 0.00 Average: veth2a82f7a 19.00 20.21 24.05 143.34 0.00 0.00 0.00 0.01 Average: veth265e40d 8.79 8.36 68.69 17.48 0.00 0.00 0.00 0.01 Average: vetha39cf35 44.46 41.20 38.12 23.06 0.00 0.00 0.00 0.00 Average: vethbcac101 17.67 17.21 9.83 13.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1981) 10/15/26 _x86_64_ (8 CPU) 14:30:31 LINUX RESTART (8 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 10.94 0.02 2.34 0.60 0.02 86.08 14:50:02 0 9.71 0.03 2.56 0.60 0.02 87.07 14:50:02 1 11.24 0.03 2.63 0.31 0.02 85.76 14:50:02 2 12.39 0.03 2.29 0.81 0.02 84.46 14:50:02 3 10.91 0.02 2.37 0.41 0.02 86.28 14:50:02 4 10.68 0.03 2.15 0.46 0.02 86.66 14:50:02 5 10.49 0.00 2.37 0.99 0.02 86.14 14:50:02 6 11.32 0.02 2.16 0.57 0.02 85.92 14:50:02 7 10.78 0.02 2.18 0.70 0.02 86.30 15:00:20 all 12.10 0.01 2.53 0.14 0.02 85.20 15:00:20 0 12.08 0.01 3.47 0.09 0.03 84.33 15:00:20 1 12.35 0.01 2.88 0.24 0.02 84.49 15:00:20 2 12.10 0.02 2.54 0.15 0.02 85.17 15:00:20 3 12.28 0.00 2.33 0.12 0.03 85.24 15:00:20 4 11.51 0.01 2.41 0.18 0.03 85.87 15:00:20 5 12.64 0.00 2.27 0.15 0.02 84.92 15:00:20 6 11.82 0.01 2.15 0.06 0.02 85.94 15:00:20 7 12.03 0.00 2.17 0.12 0.02 85.65 15:10:20 all 8.81 0.00 1.90 0.02 0.02 89.25 15:10:20 0 8.48 0.00 2.62 0.02 0.02 88.86 15:10:20 1 8.53 0.00 2.05 0.00 0.02 89.39 15:10:20 2 9.13 0.00 1.95 0.01 0.02 88.89 15:10:20 3 8.73 0.00 1.78 0.04 0.02 89.43 15:10:20 4 9.21 0.00 1.69 0.01 0.02 89.08 15:10:20 5 8.48 0.00 1.67 0.05 0.02 89.78 15:10:20 6 9.17 0.00 1.73 0.01 0.02 89.06 15:10:20 7 8.77 0.00 1.67 0.05 0.02 89.48 Average: all 10.63 0.01 2.26 0.25 0.02 86.82 Average: 0 10.11 0.01 2.89 0.23 0.02 86.73 Average: 1 10.73 0.01 2.52 0.19 0.02 86.53 Average: 2 11.22 0.02 2.26 0.32 0.02 86.16 Average: 3 10.66 0.01 2.16 0.19 0.02 86.96 Average: 4 10.47 0.01 2.09 0.21 0.02 87.19 Average: 5 10.56 0.00 2.10 0.39 0.02 86.92 Average: 6 10.78 0.01 2.01 0.21 0.02 86.96 Average: 7 10.55 0.01 2.01 0.29 0.02 87.13