---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-41771 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: 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 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 13G 143G 8% / 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 934 24489 4 6668 30688 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:d7:95:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83585sec preferred_lft 83585sec inet6 fe80::f816:3eff:fed7:95c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:9b:69:b1:6c:c4 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 ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-41771) 08/27/26 _x86_64_ (8 CPU) 21:44:55 LINUX RESTART (8 CPU) 21:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:05 39.13 2.65 20.00 16.48 165.41 3876.32 522495.63 22:10:05 26.08 0.12 22.44 3.52 5.76 2329.96 12058.85 22:20:05 33.59 0.01 29.35 4.22 0.73 3248.99 17382.84 22:30:05 23.12 0.16 19.88 3.08 10.40 6531.51 10321.97 Average: 30.49 0.74 22.91 6.84 45.79 3996.48 141251.07 21:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:05 26219408 29749532 2558680 7.79 154420 3621148 2681764 7.91 661436 5545888 26680 22:10:05 24882472 28974744 3329848 10.13 183688 4106388 3307312 9.75 785896 6707504 114456 22:20:05 24269712 28873448 3426056 10.43 221228 4529564 3516108 10.37 927552 7120116 10648 22:30:05 25286740 31621304 670884 2.04 238988 6179056 1233836 3.64 1550148 5385768 216 Average: 25164583 29804757 2496367 7.60 199581 4609039 2684755 7.92 981258 6189819 38000 21:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:05 lo 920.82 920.82 877.69 877.69 0.00 0.00 0.00 0.00 22:00:05 ens3 98.87 79.52 1084.58 17.68 0.00 0.00 0.00 0.00 22:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:05 lo 1558.77 1558.77 1484.53 1484.53 0.00 0.00 0.00 0.00 22:10:05 ens3 35.95 26.53 19.69 13.63 0.00 0.00 0.00 0.00 22:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:05 lo 1849.91 1849.91 1762.00 1762.00 0.00 0.00 0.00 0.00 22:20:05 ens3 36.47 26.48 17.14 14.56 0.00 0.00 0.00 0.00 22:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:05 lo 971.75 971.75 911.02 911.02 0.00 0.00 0.00 0.00 22:30:05 ens3 91.93 89.72 242.82 323.32 0.00 0.00 0.00 0.00 22:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1324.58 1324.58 1258.12 1258.12 0.00 0.00 0.00 0.00 Average: ens3 65.86 55.61 342.39 92.16 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-41771) 08/27/26 _x86_64_ (8 CPU) 21:44:55 LINUX RESTART (8 CPU) 21:50:01 CPU %user %nice %system %iowait %steal %idle 22:00:05 all 20.57 0.00 1.10 0.11 0.01 78.22 22:00:05 0 19.75 0.00 1.17 0.08 0.01 79.00 22:00:05 1 22.50 0.00 1.12 0.09 0.01 76.29 22:00:05 2 21.55 0.00 1.02 0.03 0.00 77.39 22:00:05 3 21.17 0.00 1.03 0.08 0.00 77.72 22:00:05 4 21.50 0.00 1.19 0.06 0.01 77.23 22:00:05 5 21.81 0.00 1.19 0.19 0.00 76.82 22:00:05 6 18.26 0.00 1.00 0.24 0.00 80.49 22:00:05 7 18.00 0.00 1.12 0.08 0.01 80.80 22:10:05 all 32.85 0.00 1.62 0.05 0.01 65.46 22:10:05 0 28.58 0.00 1.67 0.05 0.01 69.69 22:10:05 1 31.03 0.00 1.80 0.04 0.01 67.12 22:10:05 2 34.66 0.00 1.56 0.06 0.01 63.71 22:10:05 3 31.06 0.00 1.49 0.08 0.01 67.35 22:10:05 4 34.62 0.00 1.62 0.02 0.01 63.72 22:10:05 5 34.51 0.00 1.51 0.08 0.01 63.90 22:10:05 6 35.05 0.00 1.70 0.05 0.01 63.19 22:10:05 7 33.33 0.00 1.61 0.04 0.01 65.01 22:20:05 all 37.79 0.00 2.02 0.07 0.01 60.11 22:20:05 0 34.68 0.00 1.92 0.04 0.01 63.36 22:20:05 1 38.66 0.00 2.28 0.05 0.01 58.99 22:20:05 2 38.25 0.00 2.19 0.05 0.01 59.50 22:20:05 3 37.38 0.00 2.17 0.08 0.01 60.37 22:20:05 4 38.20 0.00 1.95 0.07 0.01 59.77 22:20:05 5 36.65 0.00 1.74 0.18 0.01 61.41 22:20:05 6 39.81 0.00 2.00 0.07 0.01 58.11 22:20:05 7 38.68 0.00 1.90 0.06 0.02 59.35 22:30:05 all 23.14 0.00 1.32 0.09 0.01 75.44 22:30:05 0 20.40 0.00 1.37 0.09 0.01 78.14 22:30:05 1 25.85 0.00 1.21 0.03 0.01 72.89 22:30:05 2 28.17 0.00 1.45 0.02 0.02 70.35 22:30:05 3 23.03 0.00 1.45 0.05 0.01 75.46 22:30:05 4 22.14 0.00 1.26 0.09 0.01 76.50 22:30:05 5 23.55 0.00 1.33 0.24 0.01 74.87 22:30:05 6 22.07 0.00 1.33 0.15 0.02 76.44 22:30:05 7 19.88 0.00 1.18 0.05 0.02 78.87 Average: all 28.57 0.00 1.52 0.08 0.01 69.82 Average: 0 25.84 0.00 1.53 0.06 0.01 72.56 Average: 1 29.50 0.00 1.60 0.05 0.01 68.84 Average: 2 30.64 0.00 1.55 0.04 0.01 67.75 Average: 3 28.14 0.00 1.53 0.07 0.01 70.25 Average: 4 29.11 0.00 1.51 0.06 0.01 69.31 Average: 5 29.12 0.00 1.44 0.17 0.01 69.27 Average: 6 28.77 0.00 1.51 0.13 0.01 69.59 Average: 7 27.45 0.00 1.45 0.06 0.01 71.03