---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2591 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 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 859 12513 4 18719 30765 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:9f:b3:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.237/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84177sec preferred_lft 84177sec inet6 fe80::f816:3eff:fe9f:b3f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:db:f5:62:5a:da 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::f0db:f5ff:fe62:5ada/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-2591) 03/17/26 _x86_64_ (8 CPU) 15:39:30 LINUX RESTART (8 CPU) 15:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:00 431.64 5.28 419.42 6.94 363.91 43483.51 48101.23 16:00:04 288.39 0.41 276.88 11.11 17.34 28606.91 37041.29 16:10:04 11.30 0.13 10.86 0.31 5.23 415.64 1145.49 Average: 243.81 1.93 235.75 6.13 128.46 24172.11 28775.62 15:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:00 15250764 27952088 4293412 13.06 390452 11905356 4514144 13.31 3174992 13255524 140372 16:00:04 2573756 21768984 10385852 31.60 590116 17740140 15983180 47.13 4734264 21895068 512 16:10:04 1259560 20536048 11616904 35.35 591412 17814208 17013680 50.17 4777708 23145444 2540 Average: 6361360 23419040 8765389 26.67 523993 15819901 12503668 36.87 4228988 19432012 47808 15:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:00 lo 0.56 0.56 0.09 0.09 0.00 0.00 0.00 0.00 15:50:00 ens3 399.32 255.24 2720.79 71.66 0.00 0.00 0.00 0.00 15:50:00 docker0 19.28 32.26 1.11 559.87 0.00 0.00 0.00 0.00 16:00:04 lo 0.56 0.56 0.08 0.08 0.00 0.00 0.00 0.00 16:00:04 ens3 151.15 103.04 1881.26 25.82 0.00 0.00 0.00 0.00 16:00:04 docker0 13.03 18.31 0.72 212.04 0.00 0.00 0.00 0.00 16:00:04 br-9d392c8e7237 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 16:00:04 veth0222d86 0.28 0.33 0.03 0.11 0.00 0.00 0.00 0.00 16:00:04 veth06bef85 7.47 7.42 4.77 1.38 0.00 0.00 0.00 0.00 16:00:04 veth04ac368 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 16:00:04 veth139e0df 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 16:00:04 veth988935f 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 16:00:04 vethdf4a7a9 2.00 1.93 0.31 1.04 0.00 0.00 0.00 0.00 16:00:04 veth5e4933e 0.03 0.06 0.01 0.01 0.00 0.00 0.00 0.00 16:00:04 vethca223f5 0.88 0.77 0.12 0.88 0.00 0.00 0.00 0.00 16:10:04 lo 6.33 6.33 28.86 28.86 0.00 0.00 0.00 0.00 16:10:04 ens3 22.58 11.77 8.01 6.97 0.00 0.00 0.00 0.00 16:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:04 br-9d392c8e7237 3.44 3.34 28.16 0.78 0.00 0.00 0.00 0.00 16:10:04 veth0222d86 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 16:10:04 veth06bef85 269.83 290.26 203.05 136.08 0.00 0.00 0.00 0.02 16:10:04 veth04ac368 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:04 veth139e0df 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 16:10:04 veth988935f 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 16:10:04 vethdf4a7a9 132.98 123.33 104.51 69.46 0.00 0.00 0.00 0.01 16:10:04 vethca223f5 165.06 153.66 75.50 137.61 0.00 0.00 0.00 0.01 Average: lo 2.48 2.48 9.66 9.66 0.00 0.00 0.00 0.00 Average: ens3 190.84 123.25 1537.08 34.78 0.00 0.00 0.00 0.00 Average: docker0 10.77 16.86 0.61 257.07 0.00 0.00 0.00 0.00 Average: br-9d392c8e7237 1.24 1.20 9.37 0.26 0.00 0.00 0.00 0.00 Average: veth0222d86 0.23 0.18 0.03 0.15 0.00 0.00 0.00 0.00 Average: veth06bef85 92.26 99.04 69.14 45.73 0.00 0.00 0.00 0.01 Average: veth04ac368 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth139e0df 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth988935f 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethdf4a7a9 44.90 41.67 34.87 23.45 0.00 0.00 0.00 0.00 Average: vethca223f5 55.20 51.37 25.15 46.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2591) 03/17/26 _x86_64_ (8 CPU) 15:39:30 LINUX RESTART (8 CPU) 15:40:00 CPU %user %nice %system %iowait %steal %idle 15:50:00 all 22.47 0.00 3.15 0.74 0.07 73.57 15:50:00 0 25.16 0.00 3.23 0.34 0.07 71.20 15:50:00 1 21.07 0.00 3.18 1.51 0.07 74.17 15:50:00 2 19.65 0.00 2.86 0.63 0.07 76.80 15:50:00 3 24.02 0.00 3.51 0.99 0.06 71.41 15:50:00 4 23.26 0.00 3.70 0.79 0.07 72.18 15:50:00 5 20.51 0.00 2.60 0.61 0.08 76.20 15:50:00 6 24.58 0.00 2.87 0.47 0.07 72.01 15:50:00 7 21.50 0.00 3.26 0.61 0.06 74.57 16:00:04 all 16.72 0.02 2.34 0.58 0.07 80.26 16:00:04 0 15.14 0.02 2.17 0.74 0.07 81.87 16:00:04 1 14.50 0.01 2.44 0.41 0.07 82.56 16:00:04 2 16.88 0.01 2.50 0.82 0.07 79.73 16:00:04 3 17.12 0.02 2.28 0.38 0.07 80.13 16:00:04 4 16.49 0.05 2.28 0.33 0.07 80.78 16:00:04 5 20.48 0.01 2.41 1.13 0.07 75.90 16:00:04 6 14.50 0.01 2.05 0.49 0.08 82.86 16:00:04 7 18.68 0.01 2.63 0.38 0.07 78.24 16:10:04 all 7.54 0.00 1.03 0.03 0.08 91.32 16:10:04 0 7.02 0.00 1.11 0.02 0.07 91.78 16:10:04 1 8.05 0.00 1.01 0.01 0.08 90.84 16:10:04 2 7.32 0.00 0.98 0.03 0.08 91.59 16:10:04 3 7.81 0.00 1.07 0.05 0.08 90.99 16:10:04 4 7.94 0.00 1.05 0.01 0.08 90.92 16:10:04 5 7.93 0.00 1.03 0.05 0.08 90.91 16:10:04 6 7.07 0.00 1.05 0.02 0.08 91.78 16:10:04 7 7.16 0.00 0.97 0.01 0.07 91.79 Average: all 15.59 0.01 2.18 0.45 0.07 81.70 Average: 0 15.78 0.01 2.17 0.37 0.07 81.60 Average: 1 14.55 0.01 2.21 0.65 0.07 82.52 Average: 2 14.63 0.00 2.11 0.49 0.07 82.68 Average: 3 16.33 0.01 2.29 0.48 0.07 80.83 Average: 4 15.90 0.02 2.34 0.38 0.07 81.29 Average: 5 16.33 0.01 2.02 0.60 0.08 80.97 Average: 6 15.39 0.00 1.99 0.33 0.08 82.22 Average: 7 15.79 0.00 2.29 0.33 0.07 81.52