---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-38596 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 18G 138G 12% / 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 752 19010 4 12329 30872 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:7e:03:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84537sec preferred_lft 84537sec inet6 fe80::f816:3eff:fe7e:3a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:89:ff:0e:21:6e 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::d089:ffff:fe0e:216e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38596) 08/19/26 _x86_64_ (8 CPU) 00:36:45 LINUX RESTART (8 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 12.86 0.26 12.02 0.59 10.15 5306.70 1884.83 01:00:20 48.25 2.26 44.83 1.17 326.15 25000.67 2792.53 Average: 30.05 1.23 27.95 0.87 163.60 14870.48 2325.63 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 23864588 28269948 4038168 12.29 145784 4471024 4267808 12.59 822440 7721924 216 01:00:20 19704080 31632452 642624 1.96 227420 11615536 1458956 4.30 3097332 9230760 464 Average: 21784334 29951200 2340396 7.12 186602 8043280 2863382 8.44 1959886 8476342 340 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 5.49 5.49 0.53 0.53 0.00 0.00 0.00 0.00 00:50:28 ens3 63.86 51.53 291.57 13.31 0.00 0.00 0.00 0.00 00:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:20 lo 229.06 229.06 223.99 223.99 0.00 0.00 0.00 0.00 01:00:20 ens3 85.71 70.71 551.36 107.12 0.00 0.00 0.00 0.00 01:00:20 docker0 8.38 6.86 92.28 1.20 0.00 0.00 0.00 0.00 01:00:20 veth966c431 8.38 6.87 92.40 1.20 0.00 0.00 0.00 0.01 Average: lo 114.06 114.06 109.04 109.04 0.00 0.00 0.00 0.00 Average: ens3 74.47 60.84 417.73 58.87 0.00 0.00 0.00 0.00 Average: docker0 4.07 3.33 44.81 0.58 0.00 0.00 0.00 0.00 Average: veth966c431 4.07 3.34 44.87 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38596) 08/19/26 _x86_64_ (8 CPU) 00:36:45 LINUX RESTART (8 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 37.10 0.00 1.37 0.04 0.07 61.42 00:50:28 0 36.43 0.00 1.32 0.02 0.08 62.15 00:50:28 1 33.82 0.00 1.46 0.03 0.08 64.61 00:50:28 2 38.78 0.00 1.48 0.01 0.07 59.65 00:50:28 3 40.09 0.00 1.21 0.03 0.08 58.60 00:50:28 4 37.46 0.00 1.32 0.06 0.08 61.09 00:50:28 5 39.37 0.00 1.55 0.07 0.08 58.94 00:50:28 6 32.48 0.00 1.16 0.01 0.07 66.28 00:50:28 7 38.41 0.00 1.41 0.06 0.08 60.04 01:00:20 all 18.33 0.00 1.40 0.19 0.06 80.02 01:00:20 0 17.50 0.00 1.19 0.22 0.06 81.03 01:00:20 1 21.85 0.00 1.64 0.23 0.07 76.21 01:00:20 2 19.11 0.00 1.66 0.18 0.07 78.99 01:00:20 3 19.66 0.00 1.56 0.13 0.06 78.59 01:00:20 4 19.32 0.00 1.47 0.18 0.07 78.96 01:00:20 5 14.71 0.00 1.36 0.30 0.06 83.58 01:00:20 6 15.60 0.00 1.07 0.14 0.05 83.14 01:00:20 7 18.90 0.00 1.26 0.12 0.06 79.67 Average: all 27.99 0.00 1.38 0.11 0.07 70.45 Average: 0 27.24 0.00 1.26 0.11 0.07 71.32 Average: 1 28.01 0.00 1.55 0.13 0.07 70.24 Average: 2 29.24 0.00 1.57 0.09 0.07 69.03 Average: 3 30.17 0.00 1.38 0.08 0.07 68.30 Average: 4 28.66 0.00 1.39 0.12 0.07 69.76 Average: 5 27.40 0.00 1.46 0.18 0.07 70.90 Average: 6 24.28 0.00 1.12 0.07 0.06 74.47 Average: 7 28.94 0.00 1.34 0.09 0.07 69.57