---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-41821 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 756 18663 4 12672 30866 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:2f:e5:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84454sec preferred_lft 84454sec inet6 fe80::f816:3eff:fe2f:e5b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:32:ca:e8:a6:de 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::3032:caff:fee8:a6de/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-41821) 08/28/26 _x86_64_ (8 CPU) 00:29:56 LINUX RESTART (8 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:20 75.03 11.94 47.19 15.90 1798.95 24114.62 540507.35 00:50:01 20.85 0.52 19.77 0.56 18.40 16118.24 1380.68 01:00:00 30.43 1.93 27.40 1.10 318.47 10142.21 12470.76 Average: 42.70 4.92 31.75 6.02 731.42 16884.32 190739.28 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:20 24888216 29424548 2881688 8.77 146556 4610632 3171388 9.35 860932 6657736 28648 00:50:01 18423036 27643952 4641708 14.12 196804 9066500 4862064 14.34 2213960 11553576 304 01:00:00 19320312 31607688 661888 2.01 235388 11957708 1312000 3.87 3195220 9495188 8 Average: 20877188 29558729 2728428 8.30 192916 8544947 3115151 9.19 2090037 9235500 9653 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:20 lo 5.43 5.43 0.52 0.52 0.00 0.00 0.00 0.00 00:40:20 ens3 155.89 123.22 1578.32 23.28 0.00 0.00 0.00 0.00 00:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 294.56 294.56 287.06 287.06 0.00 0.00 0.00 0.00 00:50:01 ens3 53.92 47.33 349.20 13.20 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 11.56 11.56 1.35 1.35 0.00 0.00 0.00 0.00 01:00:00 ens3 155.75 174.06 242.89 2781.45 0.00 0.00 0.00 0.00 01:00:00 docker0 88.22 72.62 1423.15 10.04 0.00 0.00 0.00 0.00 Average: lo 100.86 100.86 93.34 93.34 0.00 0.00 0.00 0.00 Average: ens3 122.91 115.62 737.13 937.47 0.00 0.00 0.00 0.00 Average: docker0 29.34 24.16 473.38 3.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-41821) 08/28/26 _x86_64_ (8 CPU) 00:29:56 LINUX RESTART (8 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:20 all 32.75 0.00 2.03 0.33 0.01 64.87 00:40:20 0 33.13 0.00 2.53 0.27 0.01 64.05 00:40:20 1 32.15 0.00 1.86 0.15 0.01 65.83 00:40:20 2 32.79 0.00 1.93 0.20 0.02 65.06 00:40:20 3 32.23 0.00 1.87 0.19 0.01 65.70 00:40:20 4 34.48 0.00 1.91 0.20 0.01 63.39 00:40:20 5 30.97 0.00 2.13 0.81 0.01 66.08 00:40:20 6 31.89 0.00 1.97 0.51 0.01 65.62 00:40:20 7 34.38 0.00 2.04 0.32 0.01 63.25 00:50:01 all 29.29 0.00 1.65 0.11 0.02 68.94 00:50:01 0 25.87 0.00 1.62 0.07 0.02 72.42 00:50:01 1 27.19 0.00 1.52 0.25 0.02 71.02 00:50:01 2 32.75 0.00 1.63 0.03 0.02 65.57 00:50:01 3 27.55 0.00 1.38 0.03 0.01 71.03 00:50:01 4 27.45 0.00 1.69 0.11 0.01 70.74 00:50:01 5 36.47 0.00 2.23 0.17 0.02 61.10 00:50:01 6 26.55 0.00 1.48 0.23 0.02 71.73 00:50:01 7 30.44 0.00 1.64 0.02 0.02 67.87 01:00:00 all 10.30 0.00 1.21 0.15 0.01 88.32 01:00:00 0 5.91 0.00 0.91 0.28 0.01 92.89 01:00:00 1 7.06 0.00 0.72 0.18 0.01 92.03 01:00:00 2 8.02 0.00 0.78 0.15 0.01 91.06 01:00:00 3 11.48 0.00 0.89 0.32 0.01 87.31 01:00:00 4 5.29 0.00 0.67 0.13 0.01 93.90 01:00:00 5 10.73 0.00 2.21 0.03 0.01 87.02 01:00:00 6 23.38 0.00 2.07 0.06 0.01 74.47 01:00:00 7 10.56 0.00 1.46 0.07 0.01 87.91 Average: all 24.16 0.00 1.64 0.20 0.01 73.99 Average: 0 21.73 0.00 1.69 0.21 0.01 76.35 Average: 1 22.20 0.00 1.37 0.19 0.01 76.22 Average: 2 24.54 0.00 1.45 0.13 0.01 73.87 Average: 3 23.81 0.00 1.39 0.18 0.01 74.61 Average: 4 22.50 0.00 1.43 0.15 0.01 75.91 Average: 5 26.01 0.00 2.19 0.34 0.01 71.44 Average: 6 27.34 0.00 1.85 0.27 0.01 70.54 Average: 7 25.18 0.00 1.72 0.14 0.01 72.95