---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7559 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 840 12332 3 18919 30783 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:88:1c:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.131/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84332sec preferred_lft 84332sec inet6 fe80::f816:3eff:fe88:1c4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:34:a7:c5:53:95 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::f034:a7ff:fec5:5395/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7559) 07/10/26 _x86_64_ (8 CPU) 05:27:23 LINUX RESTART (8 CPU) 05:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:20 628.38 1.01 608.77 18.60 62.28 64841.08 79501.69 05:50:44 48.13 0.31 45.34 2.47 6.01 2507.24 991.00 06:00:14 10.74 0.21 10.27 0.26 12.42 428.11 2748.39 Average: 231.67 0.51 223.96 7.20 26.99 22838.98 27986.54 05:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:20 4484816 23744764 8413940 25.60 587180 17796292 12205816 35.99 4590888 20139928 216 05:50:44 315152 19921284 12227912 37.21 593552 18109816 18228932 53.76 4823600 24000588 1080 06:00:14 2242176 21755928 10393348 31.63 585052 18025172 15960796 47.07 4811976 22111276 428 Average: 2347381 21807325 10345067 31.48 588595 17977093 15465181 45.61 4742155 22083931 575 05:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:20 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 05:40:20 ens3 521.59 317.42 3664.16 103.00 0.00 0.00 0.00 0.00 05:40:20 docker0 23.35 39.49 1.37 739.87 0.00 0.00 0.00 0.00 05:40:20 br-cc04a80654ff 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 05:40:20 veth54b60ca 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 05:40:20 veth0e95f69 0.26 0.33 0.02 0.02 0.00 0.00 0.00 0.00 05:40:20 vethce28275 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:40:20 veth4e85e64 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 05:40:20 vethc1cc6d4 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 05:40:20 veth33b6e1d 0.23 0.21 0.02 0.02 0.00 0.00 0.00 0.00 05:50:44 lo 1.51 1.51 2.89 2.89 0.00 0.00 0.00 0.00 05:50:44 ens3 5.47 3.41 1.88 2.00 0.00 0.00 0.00 0.00 05:50:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:44 br-cc04a80654ff 0.78 0.72 2.68 0.21 0.00 0.00 0.00 0.00 05:50:44 veth54b60ca 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:50:44 veth0e95f69 117.63 125.53 73.89 59.48 0.00 0.00 0.00 0.01 05:50:44 vethce28275 0.09 0.12 0.01 0.03 0.00 0.00 0.00 0.00 05:50:44 veth4e85e64 0.53 0.39 0.07 0.33 0.00 0.00 0.00 0.00 05:50:44 vethc1cc6d4 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:50:44 veth1c3fce9 83.46 77.81 56.40 38.41 0.00 0.00 0.00 0.00 05:50:44 veth1f036f1 41.80 38.59 18.66 34.86 0.00 0.00 0.00 0.00 06:00:14 lo 9.83 9.83 56.75 56.75 0.00 0.00 0.00 0.00 06:00:14 ens3 12.93 8.73 4.40 5.47 0.00 0.00 0.00 0.00 06:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:14 br-cc04a80654ff 5.79 5.34 55.82 1.06 0.00 0.00 0.00 0.00 06:00:14 veth54b60ca 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:14 veth0e95f69 299.78 324.06 242.07 138.94 0.00 0.00 0.00 0.02 06:00:14 vethce28275 0.18 0.16 0.02 0.07 0.00 0.00 0.00 0.00 06:00:14 veth4e85e64 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 06:00:14 vethc1cc6d4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:14 veth1c3fce9 109.72 100.47 96.99 70.19 0.00 0.00 0.00 0.01 06:00:14 veth1f036f1 222.68 207.43 100.54 175.32 0.00 0.00 0.00 0.01 Average: lo 3.90 3.90 19.01 19.01 0.00 0.00 0.00 0.00 Average: ens3 181.64 110.84 1235.95 37.11 0.00 0.00 0.00 0.00 Average: docker0 7.86 13.30 0.46 249.15 0.00 0.00 0.00 0.00 Average: br-cc04a80654ff 2.17 2.01 18.63 0.41 0.00 0.00 0.00 0.00 Average: veth54b60ca 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0e95f69 135.85 146.31 102.33 64.65 0.00 0.00 0.00 0.01 Average: vethce28275 0.10 0.12 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth4e85e64 0.32 0.23 0.05 0.23 0.00 0.00 0.00 0.00 Average: vethc1cc6d4 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1c3fce9 63.68 58.79 50.28 35.55 0.00 0.00 0.00 0.00 Average: veth1f036f1 85.07 79.12 38.34 67.65 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7559) 07/10/26 _x86_64_ (8 CPU) 05:27:23 LINUX RESTART (8 CPU) 05:30:14 CPU %user %nice %system %iowait %steal %idle 05:40:20 all 36.24 0.00 5.22 1.47 0.08 57.00 05:40:20 0 33.54 0.00 4.74 1.58 0.08 60.06 05:40:20 1 36.06 0.00 5.46 1.89 0.09 56.50 05:40:20 2 38.25 0.01 5.01 1.07 0.07 55.58 05:40:20 3 34.12 0.00 5.80 1.32 0.08 58.67 05:40:20 4 38.03 0.00 5.20 1.80 0.08 54.89 05:40:20 5 38.73 0.00 5.01 1.36 0.08 54.82 05:40:20 6 36.68 0.00 5.03 1.12 0.08 57.09 05:40:20 7 34.51 0.00 5.46 1.59 0.08 58.36 05:50:44 all 8.96 0.02 1.02 6.04 0.07 83.90 05:50:44 0 8.87 0.01 1.05 6.06 0.06 83.95 05:50:44 1 10.32 0.01 1.12 4.97 0.08 83.50 05:50:44 2 9.89 0.02 1.12 9.41 0.07 79.49 05:50:44 3 8.83 0.03 0.96 5.94 0.07 84.17 05:50:44 4 9.38 0.03 0.94 6.60 0.06 82.99 05:50:44 5 7.98 0.01 0.85 6.13 0.07 84.97 05:50:44 6 8.16 0.04 0.99 4.52 0.06 86.23 05:50:44 7 8.23 0.02 1.10 4.68 0.07 85.91 06:00:14 all 5.49 0.00 1.11 0.04 0.07 93.29 06:00:14 0 5.25 0.00 1.15 0.02 0.07 93.51 06:00:14 1 5.71 0.00 1.24 0.03 0.08 92.94 06:00:14 2 6.35 0.00 1.11 0.08 0.08 92.39 06:00:14 3 6.01 0.00 1.13 0.02 0.07 92.76 06:00:14 4 6.26 0.00 1.11 0.05 0.07 92.51 06:00:14 5 4.34 0.00 1.04 0.06 0.07 94.49 06:00:14 6 5.36 0.00 1.14 0.01 0.07 93.42 06:00:14 7 4.68 0.00 0.93 0.02 0.07 94.30 Average: all 17.04 0.01 2.46 2.60 0.07 77.82 Average: 0 16.04 0.00 2.33 2.64 0.07 78.92 Average: 1 17.52 0.01 2.62 2.37 0.08 77.40 Average: 2 18.31 0.01 2.42 3.65 0.07 75.54 Average: 3 16.46 0.01 2.65 2.51 0.07 78.30 Average: 4 18.03 0.01 2.43 2.92 0.07 76.55 Average: 5 17.18 0.00 2.31 2.60 0.07 77.83 Average: 6 16.86 0.01 2.40 1.94 0.07 78.71 Average: 7 15.94 0.01 2.51 2.16 0.07 79.31