---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3016 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 842 12544 4 18705 30782 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:63:09:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.38/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84067sec preferred_lft 84067sec inet6 fe80::f816:3eff:fe63:9cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:55:64:1b:0c:29 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::4c55:64ff:fe1b:c29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3016) 03/19/26 _x86_64_ (8 CPU) 07:53:08 LINUX RESTART (8 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:05 498.18 0.59 486.77 10.82 7.46 38071.30 102889.05 08:20:01 82.90 0.22 79.91 2.77 17.41 10270.28 1605.61 08:30:23 9.76 0.01 9.49 0.26 0.37 432.91 2301.84 Average: 195.77 0.27 190.92 4.59 8.29 16141.00 35458.18 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:05 11510204 27987928 4227228 12.86 549476 15181524 4435060 13.08 4399904 15394208 30672 08:20:01 1639988 20862560 11290640 34.36 588788 17770460 17028724 50.22 4747876 22803264 1116 08:30:23 2004928 21312524 10840544 32.99 589092 17850624 16209052 47.80 4770440 22408276 1272 Average: 5051707 23387671 8786137 26.74 575785 16934203 12557612 37.03 4639407 20201916 11020 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:05 lo 0.41 0.41 0.05 0.05 0.00 0.00 0.00 0.00 08:10:05 ens3 182.68 122.27 1595.17 31.81 0.00 0.00 0.00 0.00 08:10:05 docker0 13.30 19.14 0.78 307.66 0.00 0.00 0.00 0.00 08:20:01 lo 1.08 1.08 0.80 0.80 0.00 0.00 0.00 0.00 08:20:01 ens3 42.17 25.31 897.72 5.73 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 br-17c9f9c00c6c 0.60 0.56 0.71 0.09 0.00 0.00 0.00 0.00 08:20:01 veth82953ed 0.13 0.21 0.01 0.04 0.00 0.00 0.00 0.00 08:20:01 vetheee15ba 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 08:20:01 veth122a69d 0.48 0.43 0.06 0.28 0.00 0.00 0.00 0.00 08:20:01 vethf860f5f 93.90 99.44 52.74 47.40 0.00 0.00 0.00 0.00 08:20:01 vethf1166bc 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:20:01 veth2df90d5 76.05 71.43 52.15 35.05 0.00 0.00 0.00 0.00 08:20:01 vethabe26d0 21.78 19.94 8.99 16.49 0.00 0.00 0.00 0.00 08:30:23 lo 11.32 11.32 54.27 54.27 0.00 0.00 0.00 0.00 08:30:23 ens3 22.92 12.79 7.61 7.30 0.00 0.00 0.00 0.00 08:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:23 br-17c9f9c00c6c 6.26 6.19 53.26 1.18 0.00 0.00 0.00 0.00 08:30:23 veth82953ed 0.16 0.15 0.02 0.06 0.00 0.00 0.00 0.00 08:30:23 vetheee15ba 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:23 veth122a69d 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 08:30:23 vethf860f5f 301.23 325.02 242.76 140.54 0.00 0.00 0.00 0.02 08:30:23 vethf1166bc 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:23 veth2df90d5 108.88 100.74 94.22 68.53 0.00 0.00 0.00 0.01 08:30:23 vethabe26d0 224.95 209.46 102.45 177.86 0.00 0.00 0.00 0.01 Average: lo 4.35 4.35 18.79 18.79 0.00 0.00 0.00 0.00 Average: ens3 82.24 53.22 825.52 14.92 0.00 0.00 0.00 0.00 Average: docker0 4.41 6.35 0.26 102.11 0.00 0.00 0.00 0.00 Average: br-17c9f9c00c6c 2.33 2.30 18.40 0.43 0.00 0.00 0.00 0.00 Average: veth82953ed 0.10 0.12 0.01 0.03 0.00 0.00 0.00 0.00 Average: vetheee15ba 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth122a69d 0.29 0.21 0.04 0.21 0.00 0.00 0.00 0.00 Average: vethf860f5f 133.47 143.39 100.06 63.44 0.00 0.00 0.00 0.01 Average: vethf1166bc 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2df90d5 62.01 57.72 49.19 34.84 0.00 0.00 0.00 0.00 Average: vethabe26d0 83.86 77.98 37.89 66.07 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3016) 03/19/26 _x86_64_ (8 CPU) 07:53:08 LINUX RESTART (8 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:05 all 20.67 0.00 3.61 1.73 0.09 73.90 08:10:05 0 20.68 0.00 3.41 1.32 0.09 74.50 08:10:05 1 19.76 0.00 3.35 1.34 0.09 75.45 08:10:05 2 22.11 0.00 3.99 1.51 0.10 72.29 08:10:05 3 18.35 0.00 3.94 1.16 0.09 76.46 08:10:05 4 23.87 0.00 3.55 1.72 0.10 70.77 08:10:05 5 18.02 0.00 3.17 1.90 0.08 76.83 08:10:05 6 19.28 0.00 3.26 2.10 0.09 75.27 08:10:05 7 23.31 0.00 4.19 2.82 0.09 69.58 08:20:01 all 11.63 0.02 1.43 0.57 0.08 86.26 08:20:01 0 11.21 0.01 1.41 0.89 0.08 86.39 08:20:01 1 11.27 0.03 1.56 0.42 0.08 86.64 08:20:01 2 12.31 0.04 1.56 0.71 0.10 85.29 08:20:01 3 12.63 0.03 1.37 0.51 0.08 85.39 08:20:01 4 11.98 0.02 1.50 0.59 0.08 85.83 08:20:01 5 10.47 0.02 1.31 0.22 0.08 87.90 08:20:01 6 10.74 0.02 1.34 0.94 0.08 86.87 08:20:01 7 12.45 0.02 1.42 0.28 0.08 85.75 08:30:23 all 5.46 0.00 1.19 0.06 0.09 93.20 08:30:23 0 5.10 0.00 1.22 0.21 0.09 93.38 08:30:23 1 5.32 0.00 1.32 0.04 0.09 93.23 08:30:23 2 6.94 0.00 1.38 0.05 0.09 91.55 08:30:23 3 5.18 0.00 1.18 0.03 0.09 93.53 08:30:23 4 6.22 0.00 1.20 0.03 0.09 92.46 08:30:23 5 5.18 0.00 1.08 0.03 0.08 93.63 08:30:23 6 4.35 0.00 1.05 0.08 0.09 94.43 08:30:23 7 5.37 0.00 1.10 0.03 0.09 93.39 Average: all 12.54 0.01 2.07 0.78 0.09 84.51 Average: 0 12.28 0.00 2.01 0.80 0.09 84.81 Average: 1 12.08 0.01 2.07 0.60 0.09 85.15 Average: 2 13.74 0.01 2.30 0.75 0.10 83.10 Average: 3 12.00 0.01 2.16 0.56 0.08 85.19 Average: 4 13.97 0.01 2.08 0.77 0.09 83.08 Average: 5 11.18 0.01 1.85 0.71 0.08 86.16 Average: 6 11.41 0.01 1.88 1.03 0.09 85.58 Average: 7 13.65 0.00 2.23 1.04 0.09 82.98