---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3010 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: 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 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 846 12498 4 18747 30778 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:44:c6:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.147/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84085sec preferred_lft 84085sec inet6 fe80::f816:3eff:fe44:c677/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:82:61:14:0b:bf 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::3082:61ff:fe14:bbf/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-3010) 03/19/26 _x86_64_ (8 CPU) 07:45:49 LINUX RESTART (8 CPU) 07:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:37 458.98 0.82 448.94 9.22 44.66 43547.33 45522.95 08:10:10 208.90 0.32 181.57 27.01 14.85 20541.77 503036.35 08:20:37 23.24 11.78 11.14 0.33 134.83 498.37 5105.47 Average: 228.46 4.46 212.23 11.77 66.51 21312.98 176534.43 07:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:37 12218504 27116060 5108780 15.55 513820 13730456 5357516 15.80 3680472 15525824 466508 08:10:10 1539908 20732048 11422676 34.76 589956 17740700 17132632 50.52 4722676 22925288 848 08:20:37 278336 19628080 12524516 38.11 592428 17876664 18115544 53.42 4803452 24088672 836 Average: 4678916 22492063 9685324 29.47 565401 16449273 13535231 39.91 4402200 20846595 156064 07:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:37 lo 0.49 0.49 0.08 0.08 0.00 0.00 0.00 0.00 08:00:37 ens3 198.28 120.97 1890.21 27.29 0.00 0.00 0.00 0.00 08:00:37 docker0 16.59 28.90 0.96 553.51 0.00 0.00 0.00 0.00 08:10:10 lo 0.57 0.57 0.08 0.08 0.00 0.00 0.00 0.00 08:10:10 ens3 81.84 60.21 1425.51 11.59 0.00 0.00 0.00 0.00 08:10:10 docker0 8.86 12.19 0.51 223.89 0.00 0.00 0.00 0.00 08:10:10 br-f5cba9a542d5 0.31 0.28 0.01 0.02 0.00 0.00 0.00 0.00 08:10:10 veth9a7dc5f 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:10:10 vethafbdc51 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:10:10 vethbd06a19 40.66 42.09 13.78 15.83 0.00 0.00 0.00 0.00 08:10:10 vethba2716f 0.41 0.40 0.05 0.21 0.00 0.00 0.00 0.00 08:10:10 veth5572cd8 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:10:10 veth9a0eedc 36.92 35.25 20.27 10.14 0.00 0.00 0.00 0.00 08:10:10 vethe483d4a 0.48 0.82 0.65 5.50 0.00 0.00 0.00 0.00 08:10:10 veth29a5896 1.70 1.36 0.23 1.38 0.00 0.00 0.00 0.00 08:20:37 lo 8.73 8.73 37.34 37.34 0.00 0.00 0.00 0.00 08:20:37 ens3 16.45 11.67 4.59 4.56 0.00 0.00 0.00 0.00 08:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:37 br-f5cba9a542d5 4.74 4.59 36.41 1.03 0.00 0.00 0.00 0.00 08:20:37 veth9a7dc5f 0.22 0.19 0.02 0.08 0.00 0.00 0.00 0.00 08:20:37 vethafbdc51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:37 vethbd06a19 319.56 345.00 254.99 160.38 0.00 0.00 0.00 0.02 08:20:37 vethba2716f 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 08:20:37 veth5572cd8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:37 veth9a0eedc 124.76 114.73 102.77 75.67 0.00 0.00 0.00 0.01 08:20:37 veth29a5896 228.63 212.88 104.74 183.50 0.00 0.00 0.00 0.02 Average: lo 3.38 3.38 13.01 13.01 0.00 0.00 0.00 0.00 Average: ens3 98.26 63.77 1088.44 14.42 0.00 0.00 0.00 0.00 Average: docker0 8.38 13.57 0.49 256.91 0.00 0.00 0.00 0.00 Average: br-f5cba9a542d5 1.74 1.68 12.64 0.36 0.00 0.00 0.00 0.00 Average: veth9a7dc5f 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethafbdc51 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethbd06a19 123.80 133.08 92.87 60.68 0.00 0.00 0.00 0.01 Average: vethba2716f 0.27 0.20 0.04 0.18 0.00 0.00 0.00 0.00 Average: veth5572cd8 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9a0eedc 55.01 51.00 42.10 29.48 0.00 0.00 0.00 0.00 Average: veth29a5896 79.89 74.32 36.43 64.13 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3010) 03/19/26 _x86_64_ (8 CPU) 07:45:49 LINUX RESTART (8 CPU) 07:50:29 CPU %user %nice %system %iowait %steal %idle 08:00:37 all 22.50 0.00 3.96 0.79 0.06 72.69 08:00:37 0 18.96 0.00 3.49 0.54 0.06 76.95 08:00:37 1 27.34 0.00 4.63 0.84 0.06 67.13 08:00:37 2 23.63 0.00 4.24 0.79 0.07 71.27 08:00:37 3 31.71 0.00 4.73 0.97 0.07 62.52 08:00:37 4 19.68 0.00 3.46 0.82 0.06 75.98 08:00:37 5 21.12 0.00 3.65 0.78 0.06 74.39 08:00:37 6 19.59 0.00 3.83 0.76 0.06 75.76 08:00:37 7 17.97 0.00 3.67 0.81 0.05 77.49 08:10:10 all 11.40 0.03 2.04 0.57 0.06 85.90 08:10:10 0 10.96 0.03 2.19 0.37 0.05 86.40 08:10:10 1 10.63 0.02 1.94 0.29 0.07 87.04 08:10:10 2 12.68 0.02 1.89 0.39 0.07 84.96 08:10:10 3 13.09 0.02 1.92 0.59 0.07 84.31 08:10:10 4 10.10 0.04 1.87 0.88 0.06 87.05 08:10:10 5 11.79 0.01 2.36 1.11 0.07 84.66 08:10:10 6 10.86 0.02 2.14 0.54 0.05 86.39 08:10:10 7 11.10 0.05 1.99 0.41 0.07 86.39 08:20:37 all 7.15 0.04 1.20 0.06 0.08 91.46 08:20:37 0 7.04 0.08 1.39 0.09 0.08 91.33 08:20:37 1 7.51 0.08 1.19 0.08 0.09 91.05 08:20:37 2 7.41 0.07 1.30 0.08 0.08 91.06 08:20:37 3 7.41 0.00 1.21 0.07 0.08 91.23 08:20:37 4 7.44 0.08 1.27 0.12 0.07 91.02 08:20:37 5 6.67 0.00 1.12 0.01 0.08 92.12 08:20:37 6 7.48 0.03 1.15 0.04 0.08 91.22 08:20:37 7 6.29 0.00 1.00 0.02 0.07 92.62 Average: all 13.66 0.02 2.40 0.47 0.07 83.39 Average: 0 12.30 0.04 2.35 0.33 0.06 84.92 Average: 1 15.16 0.04 2.58 0.40 0.07 81.74 Average: 2 14.54 0.03 2.48 0.42 0.07 82.47 Average: 3 17.37 0.01 2.62 0.54 0.07 79.39 Average: 4 12.39 0.04 2.20 0.60 0.06 84.71 Average: 5 13.15 0.01 2.36 0.62 0.07 83.79 Average: 6 12.62 0.02 2.36 0.44 0.07 84.49 Average: 7 11.74 0.02 2.21 0.41 0.06 85.56