---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2330 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 1038 14208 4 16845 30585 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:55:2a:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.163/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83363sec preferred_lft 83363sec inet6 fe80::f816:3eff:fe55:2afb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:1d:4a:e1:e2:92 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::f81d:4aff:fee1:e292/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2330) 03/16/26 _x86_64_ (8 CPU) 09:53:58 LINUX RESTART (8 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 510.04 0.69 499.29 10.06 10.15 40429.77 54686.82 10:20:01 94.71 0.21 91.45 3.05 15.53 10344.36 941.35 10:30:01 44.85 0.09 22.06 22.69 3.69 4066.31 465777.01 10:40:02 11.65 0.08 11.07 0.50 1.73 2566.40 799.33 Average: 165.17 0.27 155.83 9.07 7.78 14341.66 130455.51 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 10942140 27386156 4828644 14.69 556488 15132460 5034512 14.85 4405956 15945092 42824 10:20:01 945704 20135744 11971272 36.43 593968 17770080 17978840 53.02 4725788 23492948 6348 10:30:01 408580 18787324 13223768 40.24 576388 17075048 19625204 57.87 4762732 23993224 10716 10:40:02 411812 18399492 13614864 41.43 574756 16691364 19920632 58.74 4689824 24052960 12516 Average: 3177059 21177179 10909637 33.20 575400 16667238 15639797 46.12 4646075 21871056 18101 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.42 0.42 0.07 0.07 0.00 0.00 0.00 0.00 10:10:00 ens3 196.70 134.06 1682.17 34.01 0.00 0.00 0.00 0.00 10:10:00 docker0 19.68 28.13 1.11 349.80 0.00 0.00 0.00 0.00 10:10:00 br-49e22a20c4e1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 2.65 2.65 5.40 5.40 0.00 0.00 0.00 0.00 10:20:01 ens3 30.08 18.51 849.37 2.72 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 br-49e22a20c4e1 2.16 2.54 0.90 8.04 0.00 0.00 0.00 0.00 10:20:01 veth1c4bce8 1.51 1.26 7.99 1.75 0.00 0.00 0.00 0.00 10:20:01 veth09fb17c 77.28 81.77 37.57 38.21 0.00 0.00 0.00 0.00 10:20:01 veth94cd01d 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:20:01 vetheac518f 1.70 1.96 19.91 8.00 0.00 0.00 0.00 0.00 10:20:01 veth589aaaa 2.79 3.29 0.61 27.79 0.00 0.00 0.00 0.00 10:20:01 vethc83c3a5 77.86 73.06 52.41 34.41 0.00 0.00 0.00 0.00 10:20:01 veth83391e7 2.45 1.92 0.33 1.85 0.00 0.00 0.00 0.00 10:30:01 lo 29.88 29.88 115.76 115.76 0.00 0.00 0.00 0.00 10:30:01 ens3 9.80 7.77 28.04 1.64 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 br-49e22a20c4e1 24.88 28.60 20.93 123.25 0.00 0.00 0.00 0.00 10:30:01 veth1c4bce8 13.78 11.94 120.69 46.06 0.00 0.00 0.00 0.01 10:30:01 veth09fb17c 70.23 76.82 48.48 27.90 0.00 0.00 0.00 0.00 10:30:01 veth94cd01d 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 10:30:01 vetheac518f 20.16 22.09 216.61 120.97 0.00 0.00 0.00 0.02 10:30:01 veth589aaaa 36.57 40.29 21.06 337.86 0.00 0.00 0.00 0.03 10:30:01 vethc83c3a5 34.42 31.57 54.17 14.87 0.00 0.00 0.00 0.00 10:30:01 veth83391e7 49.02 45.20 20.68 35.98 0.00 0.00 0.00 0.00 10:40:02 lo 33.37 33.37 156.67 156.67 0.00 0.00 0.00 0.00 10:40:02 ens3 0.83 0.63 0.24 0.53 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 br-49e22a20c4e1 28.96 32.91 33.95 124.64 0.00 0.00 0.00 0.00 10:40:02 veth1c4bce8 11.11 9.87 73.24 72.63 0.00 0.00 0.00 0.01 10:40:02 veth09fb17c 59.79 65.88 45.05 22.06 0.00 0.00 0.00 0.00 10:40:02 veth94cd01d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 vetheac518f 10.96 12.51 72.86 72.80 0.00 0.00 0.00 0.01 10:40:02 veth589aaaa 35.04 39.00 34.64 195.93 0.00 0.00 0.00 0.02 10:40:02 vethc83c3a5 42.09 38.94 80.96 20.85 0.00 0.00 0.00 0.01 10:40:02 veth83391e7 30.99 27.73 13.87 26.64 0.00 0.00 0.00 0.00 Average: lo 16.59 16.59 69.49 69.49 0.00 0.00 0.00 0.00 Average: ens3 59.30 40.20 639.64 9.72 0.00 0.00 0.00 0.00 Average: docker0 4.91 7.02 0.28 87.34 0.00 0.00 0.00 0.00 Average: br-49e22a20c4e1 14.00 16.02 13.95 63.99 0.00 0.00 0.00 0.00 Average: veth1c4bce8 6.60 5.77 50.48 30.12 0.00 0.00 0.00 0.00 Average: veth09fb17c 51.85 56.14 32.78 22.05 0.00 0.00 0.00 0.00 Average: veth94cd01d 0.03 0.05 0.00 0.01 0.00 0.00 0.00 0.00 Average: vetheac518f 8.21 9.14 77.33 50.44 0.00 0.00 0.00 0.01 Average: veth589aaaa 18.60 20.65 14.08 140.39 0.00 0.00 0.00 0.01 Average: vethc83c3a5 38.61 35.91 46.91 17.54 0.00 0.00 0.00 0.00 Average: veth83391e7 20.61 18.71 8.72 16.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2330) 03/16/26 _x86_64_ (8 CPU) 09:53:58 LINUX RESTART (8 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 21.42 0.00 3.62 0.86 0.07 74.03 10:10:00 0 17.08 0.00 3.41 0.80 0.07 78.63 10:10:00 1 22.41 0.00 3.86 0.90 0.07 72.76 10:10:00 2 23.36 0.00 3.63 0.70 0.07 72.24 10:10:00 3 23.79 0.00 4.09 1.09 0.07 70.97 10:10:00 4 26.16 0.00 3.96 0.86 0.07 68.95 10:10:00 5 20.22 0.00 2.83 0.54 0.06 76.35 10:10:00 6 20.39 0.00 3.54 1.25 0.07 74.75 10:10:00 7 17.93 0.00 3.67 0.79 0.06 77.55 10:20:01 all 10.99 0.03 1.35 0.24 0.07 87.33 10:20:01 0 11.29 0.02 1.42 0.49 0.06 86.73 10:20:01 1 12.14 0.04 1.43 0.11 0.08 86.20 10:20:01 2 10.27 0.04 1.39 0.14 0.07 88.10 10:20:01 3 11.42 0.02 1.38 0.08 0.07 87.02 10:20:01 4 10.94 0.02 1.30 0.18 0.07 87.49 10:20:01 5 10.07 0.03 1.31 0.45 0.06 88.08 10:20:01 6 10.83 0.02 1.32 0.19 0.07 87.58 10:20:01 7 10.93 0.03 1.25 0.28 0.06 87.46 10:30:01 all 10.74 0.00 2.23 0.13 0.09 86.81 10:30:01 0 9.64 0.01 2.29 0.23 0.09 87.76 10:30:01 1 11.41 0.00 2.30 0.08 0.09 86.11 10:30:01 2 11.82 0.00 2.29 0.06 0.10 85.73 10:30:01 3 11.09 0.01 2.28 0.13 0.09 86.41 10:30:01 4 10.36 0.01 2.24 0.13 0.09 87.18 10:30:01 5 10.22 0.00 2.14 0.18 0.09 87.37 10:30:01 6 10.17 0.01 2.22 0.14 0.08 87.38 10:30:01 7 11.23 0.00 2.07 0.06 0.09 86.55 10:40:02 all 8.22 0.00 2.02 0.04 0.09 89.63 10:40:02 0 8.41 0.00 2.10 0.03 0.09 89.38 10:40:02 1 8.63 0.00 2.06 0.03 0.09 89.20 10:40:02 2 8.89 0.00 2.11 0.04 0.10 88.86 10:40:02 3 8.30 0.00 2.04 0.06 0.09 89.52 10:40:02 4 8.21 0.00 1.97 0.04 0.09 89.69 10:40:02 5 8.57 0.00 2.10 0.03 0.09 89.20 10:40:02 6 7.46 0.00 1.95 0.03 0.09 90.48 10:40:02 7 7.31 0.00 1.81 0.07 0.09 90.72 Average: all 12.84 0.01 2.30 0.32 0.08 84.46 Average: 0 11.60 0.01 2.30 0.39 0.08 85.62 Average: 1 13.64 0.01 2.41 0.28 0.08 83.58 Average: 2 13.59 0.01 2.35 0.24 0.08 83.73 Average: 3 13.64 0.01 2.45 0.34 0.08 83.49 Average: 4 13.91 0.01 2.37 0.30 0.08 83.34 Average: 5 12.26 0.01 2.10 0.30 0.07 85.26 Average: 6 12.21 0.01 2.26 0.40 0.08 85.05 Average: 7 11.85 0.01 2.20 0.30 0.07 85.58