---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3883 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 744 19023 4 12323 30879 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:1d:37:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:fe1d:37be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:4f:00:fd:a3:37 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::e44f:ff:fefd:a337/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3883) 08/10/26 _x86_64_ (8 CPU) 00:36:49 LINUX RESTART (8 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 12.53 0.25 11.70 0.58 10.25 5323.07 567.12 01:00:13 27.65 0.55 26.61 0.48 23.88 21703.07 1364.71 Average: 19.84 0.40 18.91 0.53 16.83 13239.11 952.58 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 23950552 28348832 3959760 12.05 145668 4464664 3960916 11.68 822212 7627580 76 01:00:13 20422940 31765180 515700 1.57 215412 11075188 1095640 3.23 2956028 8727492 511412 Average: 22186746 30057006 2237730 6.81 180540 7769926 2528278 7.46 1889120 8177536 255744 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 5.47 5.47 0.52 0.52 0.00 0.00 0.00 0.00 00:50:28 ens3 70.45 53.68 291.95 13.04 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 01:00:13 lo 271.06 271.06 264.04 264.04 0.00 0.00 0.00 0.00 01:00:13 ens3 65.53 59.04 371.12 14.57 0.00 0.00 0.00 0.00 01:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 133.82 133.82 127.87 127.87 0.00 0.00 0.00 0.00 Average: ens3 68.07 56.27 330.21 13.78 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3883) 08/10/26 _x86_64_ (8 CPU) 00:36:49 LINUX RESTART (8 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 38.24 0.00 1.44 0.28 0.08 59.96 00:50:28 0 35.00 0.00 1.32 0.02 0.08 63.58 00:50:28 1 40.71 0.00 1.74 1.09 0.08 56.38 00:50:28 2 35.77 0.00 1.43 0.21 0.08 62.52 00:50:28 3 41.12 0.00 1.59 0.02 0.08 57.18 00:50:28 4 36.26 0.00 1.46 0.03 0.08 62.18 00:50:28 5 38.25 0.00 1.31 0.43 0.08 59.93 00:50:28 6 41.51 0.00 1.29 0.01 0.09 57.09 00:50:28 7 37.32 0.00 1.35 0.46 0.08 60.80 01:00:13 all 19.29 0.00 1.32 0.13 0.07 79.19 01:00:13 0 18.02 0.00 1.12 0.04 0.09 80.73 01:00:13 1 16.10 0.00 1.29 0.05 0.07 82.48 01:00:13 2 18.48 0.00 1.49 0.04 0.07 79.92 01:00:13 3 24.64 0.00 1.25 0.09 0.07 73.96 01:00:13 4 15.67 0.00 1.33 0.19 0.07 82.74 01:00:13 5 19.87 0.00 1.37 0.28 0.07 78.42 01:00:13 6 26.19 0.00 1.65 0.29 0.07 71.81 01:00:13 7 15.31 0.00 1.06 0.10 0.06 83.47 Average: all 29.08 0.00 1.38 0.21 0.08 69.25 Average: 0 26.80 0.00 1.23 0.03 0.08 71.86 Average: 1 28.82 0.00 1.52 0.59 0.08 69.00 Average: 2 27.42 0.00 1.46 0.13 0.07 70.93 Average: 3 33.15 0.00 1.43 0.05 0.08 65.30 Average: 4 26.32 0.00 1.40 0.10 0.07 72.11 Average: 5 29.37 0.00 1.34 0.36 0.07 68.86 Average: 6 34.10 0.00 1.46 0.15 0.08 64.21 Average: 7 26.68 0.00 1.21 0.29 0.07 71.76