---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4501 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 874 12077 4 19140 30750 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:eb:aa:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.9/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83949sec preferred_lft 83949sec inet6 fe80::f816:3eff:feeb:aab7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:3d:11:78:0f: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::a83d:11ff:fe78:f65/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4501) 07/02/26 _x86_64_ (8 CPU) 08:40:38 LINUX RESTART (8 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 688.24 4.53 643.06 40.66 293.69 65403.25 634035.22 09:10:24 78.57 0.21 75.65 2.71 15.67 8338.34 1198.78 09:20:01 11.27 0.43 10.41 0.42 12.24 445.45 14854.46 Average: 260.33 1.72 243.98 14.63 107.29 24840.63 216619.59 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 8250000 27094324 5107904 15.54 584368 17378680 5332020 15.72 4801968 18101608 1075496 09:10:24 244860 20128972 12021088 36.58 587808 18392484 18072156 53.29 5081012 23803140 840 09:20:01 4348624 23881300 8270772 25.17 584388 18051544 12835492 37.85 4993268 19836464 68 Average: 4281161 23701532 8466588 25.76 585521 17940903 12079889 35.62 4958749 20580404 358801 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 09:00:01 ens3 557.39 314.12 4065.71 105.47 0.00 0.00 0.00 0.00 09:00:01 docker0 19.91 36.61 1.21 866.14 0.00 0.00 0.00 0.00 09:00:01 br-4d7d8c766172 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:24 lo 1.79 1.79 3.80 3.80 0.00 0.00 0.00 0.00 09:10:24 ens3 15.37 9.16 208.59 2.65 0.00 0.00 0.00 0.00 09:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:24 br-4d7d8c766172 1.06 0.99 3.58 0.23 0.00 0.00 0.00 0.00 09:10:24 veth29abf7c 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:10:24 vethf6f869e 116.73 125.31 74.29 59.37 0.00 0.00 0.00 0.01 09:10:24 veth322764d 0.13 0.20 0.01 0.03 0.00 0.00 0.00 0.00 09:10:24 veth2e52bbe 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:10:24 vethc2e1659 0.51 0.44 0.07 0.30 0.00 0.00 0.00 0.00 09:10:24 vethd264179 83.20 77.05 57.18 39.29 0.00 0.00 0.00 0.00 09:10:24 veth28cb6ad 41.44 38.29 18.61 34.32 0.00 0.00 0.00 0.00 09:20:01 lo 9.52 9.52 55.22 55.22 0.00 0.00 0.00 0.00 09:20:01 ens3 18.96 10.24 6.74 6.66 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 br-4d7d8c766172 5.61 5.03 54.31 1.03 0.00 0.00 0.00 0.00 09:20:01 veth29abf7c 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 vethf6f869e 294.75 318.36 237.70 136.47 0.00 0.00 0.00 0.02 09:20:01 veth322764d 0.17 0.18 0.02 0.07 0.00 0.00 0.00 0.00 09:20:01 veth2e52bbe 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 vethc2e1659 0.40 0.23 0.07 0.35 0.00 0.00 0.00 0.00 09:20:01 vethd264179 106.15 97.38 93.89 67.54 0.00 0.00 0.00 0.01 Average: lo 3.98 3.98 19.03 19.03 0.00 0.00 0.00 0.00 Average: ens3 197.28 111.21 1430.25 38.22 0.00 0.00 0.00 0.00 Average: docker0 6.64 12.21 0.40 288.85 0.00 0.00 0.00 0.00 Average: br-4d7d8c766172 2.16 1.95 18.64 0.41 0.00 0.00 0.00 0.00 Average: veth29abf7c 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf6f869e 134.83 145.36 101.86 64.27 0.00 0.00 0.00 0.01 Average: veth322764d 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth2e52bbe 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc2e1659 0.31 0.23 0.05 0.22 0.00 0.00 0.00 0.00 Average: vethd264179 62.81 57.87 49.87 35.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4501) 07/02/26 _x86_64_ (8 CPU) 08:40:38 LINUX RESTART (8 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 35.85 0.00 5.22 1.65 0.11 57.16 09:00:01 0 38.95 0.00 5.64 2.35 0.11 52.95 09:00:01 1 35.59 0.00 5.07 1.77 0.12 57.45 09:00:01 2 33.42 0.00 5.28 1.09 0.11 60.10 09:00:01 3 43.04 0.00 5.59 1.70 0.12 49.55 09:00:01 4 34.86 0.00 4.97 1.75 0.11 58.30 09:00:01 5 35.54 0.00 5.34 1.35 0.11 57.66 09:00:01 6 33.78 0.00 5.16 1.47 0.12 59.46 09:00:01 7 31.63 0.00 4.72 1.71 0.11 61.84 09:10:24 all 10.48 0.02 1.23 0.30 0.12 87.86 09:10:24 0 9.41 0.01 1.22 0.07 0.10 89.20 09:10:24 1 11.28 0.02 1.36 0.62 0.12 86.62 09:10:24 2 10.67 0.02 1.21 0.13 0.12 87.84 09:10:24 3 10.91 0.02 1.29 0.16 0.13 87.48 09:10:24 4 10.75 0.02 1.18 0.30 0.12 87.63 09:10:24 5 9.63 0.01 1.27 0.28 0.11 88.70 09:10:24 6 10.46 0.02 1.13 0.60 0.12 87.67 09:10:24 7 10.71 0.03 1.19 0.21 0.12 87.73 09:20:01 all 5.45 0.00 1.21 0.03 0.06 93.25 09:20:01 0 4.58 0.00 1.15 0.09 0.06 94.12 09:20:01 1 5.89 0.00 1.23 0.02 0.06 92.80 09:20:01 2 5.52 0.00 1.28 0.02 0.06 93.12 09:20:01 3 6.33 0.00 1.21 0.02 0.06 92.38 09:20:01 4 5.09 0.00 1.21 0.02 0.06 93.61 09:20:01 5 4.98 0.00 1.22 0.02 0.06 93.73 09:20:01 6 5.60 0.00 1.17 0.01 0.06 93.15 09:20:01 7 5.65 0.00 1.19 0.02 0.06 93.08 Average: all 17.33 0.01 2.55 0.66 0.10 79.34 Average: 0 17.70 0.00 2.67 0.84 0.09 78.71 Average: 1 17.66 0.01 2.55 0.81 0.10 78.87 Average: 2 16.62 0.01 2.59 0.42 0.10 80.26 Average: 3 20.18 0.01 2.70 0.63 0.10 76.38 Average: 4 17.00 0.01 2.45 0.70 0.10 79.74 Average: 5 16.77 0.00 2.61 0.55 0.09 79.97 Average: 6 16.68 0.01 2.49 0.70 0.10 80.02 Average: 7 16.07 0.01 2.37 0.65 0.10 80.80