---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2363 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 879 13311 4 17901 30745 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:f6:d9:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.57/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84030sec preferred_lft 84030sec inet6 fe80::f816:3eff:fef6:d9eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:52:90:49:0e:65 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::e052:90ff:fe49:e65/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2363) 03/16/26 _x86_64_ (8 CPU) 10:51:29 LINUX RESTART (8 CPU) 11:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:17 392.58 0.62 381.29 10.67 18.59 41500.26 45407.67 11:20:01 50.75 0.28 47.85 2.62 9.30 2644.83 1711.33 11:30:07 11.77 0.39 10.44 0.93 4.87 418.64 8287.29 Average: 152.51 0.43 147.32 4.76 10.93 14956.79 18625.49 11:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:17 4015472 22900316 9260196 28.18 587296 17431900 12776300 37.68 4638860 20584392 144 11:20:01 250220 18884284 13268208 40.37 581692 17171028 18842916 55.57 4806372 24126220 304 11:30:07 7837228 25767200 6425780 19.55 581920 16461064 8524376 25.14 4622140 18667640 676 Average: 4034307 22517267 9651395 29.37 583636 17021331 13381197 39.46 4689124 21126084 375 11:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:17 lo 0.62 0.62 0.07 0.07 0.00 0.00 0.00 0.00 11:10:17 ens3 209.59 138.46 2172.05 35.93 0.00 0.00 0.00 0.00 11:10:17 docker0 21.40 29.25 1.16 300.76 0.00 0.00 0.00 0.00 11:10:17 br-67484ef5a170 0.23 0.22 0.01 0.02 0.00 0.00 0.00 0.00 11:10:17 veth64ed38f 0.04 0.10 0.00 0.01 0.00 0.00 0.00 0.00 11:10:17 veth107b71e 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 11:10:17 veth1650e79 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 11:10:17 veth8b1bc9a 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 11:10:17 vethb7483ee 0.81 0.88 0.62 0.08 0.00 0.00 0.00 0.00 11:10:17 vethc6c1628 0.77 0.74 0.07 0.61 0.00 0.00 0.00 0.00 11:20:01 lo 2.09 2.09 4.99 4.99 0.00 0.00 0.00 0.00 11:20:01 ens3 7.63 4.01 2.80 2.41 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 br-67484ef5a170 1.11 1.06 4.70 0.31 0.00 0.00 0.00 0.00 11:20:01 veth64ed38f 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 11:20:01 veth107b71e 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 veth1650e79 0.53 0.39 0.07 0.34 0.00 0.00 0.00 0.00 11:20:01 veth8b1bc9a 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 vethb7483ee 137.10 146.56 89.24 69.86 0.00 0.00 0.00 0.01 11:20:01 vethf7fb63c 92.63 86.49 63.40 43.54 0.00 0.00 0.00 0.01 11:20:01 vethaafa6a8 54.66 50.46 25.10 45.83 0.00 0.00 0.00 0.00 11:30:07 lo 10.36 10.36 51.69 51.69 0.00 0.00 0.00 0.00 11:30:07 ens3 13.48 9.12 3.61 4.23 0.00 0.00 0.00 0.00 11:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:07 br-67484ef5a170 5.76 5.65 50.84 0.98 0.00 0.00 0.00 0.00 11:30:07 veth64ed38f 0.16 0.19 0.02 0.07 0.00 0.00 0.00 0.00 11:30:07 veth107b71e 0.00 0.04 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 4.39 4.39 19.12 19.12 0.00 0.00 0.00 0.00 Average: ens3 77.51 50.95 732.44 14.30 0.00 0.00 0.00 0.00 Average: docker0 7.20 9.84 0.39 101.12 0.00 0.00 0.00 0.00 Average: br-67484ef5a170 2.39 2.33 18.72 0.44 0.00 0.00 0.00 0.00 Average: veth64ed38f 0.10 0.14 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth107b71e 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2363) 03/16/26 _x86_64_ (8 CPU) 10:51:29 LINUX RESTART (8 CPU) 11:00:15 CPU %user %nice %system %iowait %steal %idle 11:10:17 all 22.05 0.00 3.44 0.79 0.09 73.63 11:10:17 0 20.29 0.00 2.80 0.78 0.08 76.06 11:10:17 1 21.64 0.01 3.67 0.89 0.09 73.70 11:10:17 2 22.63 0.00 3.77 0.81 0.09 72.70 11:10:17 3 25.17 0.00 4.43 0.89 0.10 69.41 11:10:17 4 20.51 0.00 3.45 0.93 0.08 75.02 11:10:17 5 20.66 0.00 3.35 0.79 0.09 75.12 11:10:17 6 22.02 0.00 3.03 0.56 0.08 74.31 11:10:17 7 23.44 0.00 3.04 0.68 0.08 72.76 11:20:01 all 10.67 0.03 1.31 0.22 0.07 87.72 11:20:01 0 12.51 0.00 1.38 0.14 0.06 85.91 11:20:01 1 11.56 0.04 1.55 0.12 0.07 86.66 11:20:01 2 11.00 0.01 1.36 0.75 0.07 86.81 11:20:01 3 8.85 0.02 1.13 0.09 0.06 89.85 11:20:01 4 10.93 0.03 1.42 0.05 0.07 87.51 11:20:01 5 8.97 0.04 1.18 0.46 0.07 89.28 11:20:01 6 10.87 0.02 1.17 0.07 0.06 87.80 11:20:01 7 10.62 0.05 1.25 0.10 0.06 87.91 11:30:07 all 5.37 0.00 1.13 0.11 0.06 93.33 11:30:07 0 4.35 0.00 1.12 0.05 0.06 94.43 11:30:07 1 6.01 0.00 1.29 0.06 0.06 92.58 11:30:07 2 6.26 0.00 1.16 0.08 0.07 92.43 11:30:07 3 6.06 0.00 1.29 0.12 0.06 92.47 11:30:07 4 6.28 0.00 1.04 0.26 0.06 92.36 11:30:07 5 5.35 0.00 0.99 0.12 0.06 93.49 11:30:07 6 4.39 0.00 1.03 0.12 0.06 94.40 11:30:07 7 4.27 0.00 1.11 0.08 0.06 94.48 Average: all 12.71 0.01 1.96 0.38 0.07 84.87 Average: 0 12.38 0.00 1.77 0.32 0.07 85.47 Average: 1 13.07 0.02 2.17 0.36 0.07 84.31 Average: 2 13.32 0.00 2.10 0.54 0.08 83.96 Average: 3 13.39 0.01 2.29 0.37 0.07 83.87 Average: 4 12.58 0.01 1.98 0.42 0.07 84.94 Average: 5 11.68 0.01 1.85 0.45 0.07 85.93 Average: 6 12.44 0.01 1.75 0.25 0.07 85.48 Average: 7 12.80 0.02 1.80 0.29 0.07 85.02