---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1214 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: 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 27G 129G 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 840 12259 3 18991 30783 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:33:dd:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.72/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84068sec preferred_lft 84068sec inet6 fe80::f816:3eff:fe33:ddca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:8a:5b:d6:d7:f1 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::408a:5bff:fed6:d7f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1214) 03/11/26 _x86_64_ (8 CPU) 12:45:29 LINUX RESTART (8 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:04 486.77 0.93 473.29 12.55 48.84 56716.76 114969.17 13:10:04 202.91 0.57 196.11 6.23 18.79 20852.29 29471.63 13:20:01 10.57 0.53 9.70 0.33 12.79 469.60 5439.41 Average: 234.33 0.68 227.26 6.39 26.87 26121.27 50172.03 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:04 5716708 22194048 10018744 30.49 533184 15224280 5902696 17.41 4237308 21261356 3236 13:10:04 244976 20666492 11480672 34.94 587892 18892788 16840364 49.66 5314540 23574620 1776 13:20:01 232080 19759008 12387688 37.70 580100 18020376 17722444 52.26 5083360 23836812 1336 Average: 2064588 20873183 11295701 34.37 567059 17379148 13488501 39.78 4878403 22890929 2116 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:04 lo 0.48 0.48 0.09 0.09 0.00 0.00 0.00 0.00 13:00:04 ens3 208.67 125.86 1825.74 31.54 0.00 0.00 0.00 0.00 13:00:04 docker0 18.95 34.95 1.11 629.79 0.00 0.00 0.00 0.00 13:10:04 lo 0.55 0.55 0.09 0.09 0.00 0.00 0.00 0.00 13:10:04 ens3 87.90 63.90 1456.55 12.85 0.00 0.00 0.00 0.00 13:10:04 docker0 11.28 17.03 0.62 213.59 0.00 0.00 0.00 0.00 13:10:04 br-86690b881ae6 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 13:10:04 veth71b0e32 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:10:04 vethecd577f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:10:04 veth0857d31 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:10:04 vethca495f9 0.39 0.38 0.04 0.20 0.00 0.00 0.00 0.00 13:10:04 vethd0bb913 44.49 47.16 16.34 19.92 0.00 0.00 0.00 0.00 13:10:04 vethd871a91 42.52 39.50 26.55 12.88 0.00 0.00 0.00 0.00 13:10:04 vethe494b2a 0.71 1.15 0.72 7.65 0.00 0.00 0.00 0.00 13:10:04 veth8d8a2bb 1.71 1.37 0.23 1.39 0.00 0.00 0.00 0.00 13:20:01 lo 8.88 8.88 38.54 38.54 0.00 0.00 0.00 0.00 13:20:01 ens3 21.74 11.94 6.50 5.93 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 br-86690b881ae6 4.82 4.63 37.57 1.04 0.00 0.00 0.00 0.00 13:20:01 veth71b0e32 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 vethecd577f 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 13:20:01 veth0857d31 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 vethca495f9 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 13:20:01 vethd0bb913 320.11 344.95 256.52 158.59 0.00 0.00 0.00 0.02 13:20:01 vethd871a91 121.37 112.16 98.56 73.81 0.00 0.00 0.00 0.01 13:20:01 veth8d8a2bb 231.97 216.04 106.37 186.88 0.00 0.00 0.00 0.02 Average: lo 3.29 3.29 12.84 12.84 0.00 0.00 0.00 0.00 Average: ens3 106.46 67.45 1099.72 16.82 0.00 0.00 0.00 0.00 Average: docker0 10.11 17.39 0.58 282.34 0.00 0.00 0.00 0.00 Average: br-86690b881ae6 1.69 1.62 12.46 0.35 0.00 0.00 0.00 0.00 Average: veth71b0e32 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethecd577f 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth0857d31 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethca495f9 0.26 0.19 0.04 0.18 0.00 0.00 0.00 0.00 Average: vethd0bb913 120.92 130.05 90.47 59.20 0.00 0.00 0.00 0.01 Average: vethd871a91 54.40 50.34 41.52 28.76 0.00 0.00 0.00 0.00 Average: veth8d8a2bb 77.46 72.06 35.33 62.40 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1214) 03/11/26 _x86_64_ (8 CPU) 12:45:29 LINUX RESTART (8 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:04 all 19.82 0.00 3.74 1.16 0.08 75.20 13:00:04 0 16.74 0.00 3.09 1.51 0.08 78.59 13:00:04 1 23.41 0.00 4.75 1.32 0.08 70.44 13:00:04 2 18.21 0.00 3.77 1.00 0.08 76.94 13:00:04 3 20.93 0.00 4.10 1.06 0.08 73.83 13:00:04 4 28.87 0.00 4.12 1.28 0.09 65.65 13:00:04 5 16.85 0.00 3.27 1.34 0.07 78.46 13:00:04 6 16.66 0.00 3.15 0.93 0.08 79.18 13:00:04 7 16.91 0.00 3.68 0.83 0.08 78.50 13:10:04 all 11.23 0.02 1.80 0.60 0.06 86.30 13:10:04 0 10.16 0.02 1.71 0.66 0.06 87.39 13:10:04 1 12.56 0.02 1.92 1.04 0.07 84.39 13:10:04 2 12.38 0.04 1.67 0.34 0.06 85.50 13:10:04 3 10.59 0.02 1.76 0.35 0.06 87.22 13:10:04 4 10.59 0.01 1.87 0.87 0.07 86.59 13:10:04 5 11.62 0.01 1.88 0.53 0.06 85.90 13:10:04 6 11.67 0.03 1.60 0.50 0.06 86.14 13:10:04 7 10.26 0.02 1.95 0.49 0.06 87.22 13:20:01 all 7.21 0.00 1.13 0.08 0.10 91.48 13:20:01 0 7.13 0.00 1.19 0.09 0.11 91.48 13:20:01 1 10.02 0.00 1.30 0.05 0.10 88.53 13:20:01 2 7.58 0.00 1.10 0.21 0.09 91.03 13:20:01 3 6.59 0.00 1.13 0.12 0.08 92.07 13:20:01 4 6.27 0.00 1.01 0.04 0.08 92.61 13:20:01 5 7.22 0.00 1.16 0.03 0.07 91.52 13:20:01 6 5.84 0.00 1.04 0.11 0.15 92.86 13:20:01 7 7.07 0.00 1.10 0.01 0.09 91.73 Average: all 12.79 0.01 2.23 0.62 0.08 84.29 Average: 0 11.37 0.01 2.00 0.76 0.08 85.79 Average: 1 15.37 0.01 2.67 0.81 0.08 81.07 Average: 2 12.75 0.01 2.19 0.52 0.08 84.46 Average: 3 12.73 0.01 2.34 0.51 0.08 84.33 Average: 4 15.29 0.00 2.34 0.73 0.08 81.56 Average: 5 11.93 0.00 2.11 0.64 0.07 85.25 Average: 6 11.41 0.01 1.93 0.52 0.10 86.03 Average: 7 11.44 0.01 2.25 0.45 0.08 85.78