---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1590 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 24G 132G 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 860 12924 4 18307 30763 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:da:ff:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.131/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84266sec preferred_lft 84266sec inet6 fe80::f816:3eff:feda:ff74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:9c:bf:c7:6b:6b 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::c49c:bfff:fec7:6b6b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1590) 10/14/26 _x86_64_ (8 CPU) 08:07:22 LINUX RESTART (8 CPU) 08:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:00 37.56 3.45 33.01 1.10 208.40 4804.76 1291.77 08:30:00 54.31 2.36 50.30 1.65 126.05 22981.32 34968.23 08:40:00 209.09 0.44 201.23 7.41 5.73 34960.95 28254.24 Average: 100.32 2.08 94.85 3.39 113.39 20915.75 21504.78 08:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:00 26893508 29943252 2376680 7.23 124560 3209012 2659936 7.84 477380 5109716 452 08:30:00 21370184 29700092 2588608 7.88 176164 8229072 2896040 8.54 2543848 8265312 22428 08:40:00 11868368 29213928 2993064 9.11 526116 15996512 3033376 8.95 4744456 14605392 73660 Average: 20044020 29619091 2652784 8.07 275613 9144865 2863117 8.44 2588561 9326807 32180 08:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:00 lo 3.76 3.76 1.12 1.12 0.00 0.00 0.00 0.00 08:20:00 ens3 101.16 76.44 1155.94 14.95 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 11.21 11.21 2.27 2.27 0.00 0.00 0.00 0.00 08:30:00 ens3 87.70 62.30 1160.48 13.94 0.00 0.00 0.00 0.00 08:30:00 docker0 3.87 4.94 0.40 60.88 0.00 0.00 0.00 0.00 08:30:00 veth93ed834 0.97 1.32 0.07 20.60 0.00 0.00 0.00 0.00 08:40:00 lo 1.67 1.67 0.30 0.30 0.00 0.00 0.00 0.00 08:40:00 ens3 155.91 104.45 2246.22 15.84 0.00 0.00 0.00 0.00 08:40:00 docker0 22.09 29.50 3.05 288.88 0.00 0.00 0.00 0.00 08:40:00 vethf2eb901 13.11 17.34 2.46 142.84 0.00 0.00 0.00 0.01 Average: lo 5.55 5.55 1.23 1.23 0.00 0.00 0.00 0.00 Average: ens3 114.93 81.06 1520.88 14.91 0.00 0.00 0.00 0.00 Average: docker0 8.65 11.48 1.15 116.59 0.00 0.00 0.00 0.00 Average: vethf2eb901 4.37 5.78 0.82 47.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1590) 10/14/26 _x86_64_ (8 CPU) 08:07:22 LINUX RESTART (8 CPU) 08:10:00 CPU %user %nice %system %iowait %steal %idle 08:20:00 all 11.72 0.00 0.59 0.22 0.01 87.46 08:20:00 0 11.92 0.00 0.56 0.06 0.01 87.46 08:20:00 1 15.73 0.00 0.78 0.09 0.01 83.39 08:20:00 2 9.24 0.00 0.49 0.06 0.01 90.20 08:20:00 3 12.01 0.00 0.47 0.37 0.01 87.14 08:20:00 4 12.03 0.00 0.58 0.58 0.01 86.80 08:20:00 5 8.98 0.00 0.58 0.44 0.01 90.00 08:20:00 6 13.56 0.00 0.66 0.15 0.01 85.62 08:20:00 7 10.29 0.00 0.58 0.05 0.01 89.07 08:30:00 all 34.51 0.00 1.80 0.37 0.02 63.31 08:30:00 0 27.98 0.00 1.74 0.18 0.01 70.09 08:30:00 1 33.81 0.00 1.84 0.79 0.02 63.54 08:30:00 2 35.69 0.00 1.87 0.51 0.02 61.92 08:30:00 3 37.24 0.00 2.36 0.28 0.02 60.10 08:30:00 4 38.50 0.00 1.80 0.44 0.02 59.23 08:30:00 5 34.36 0.00 1.58 0.43 0.01 63.61 08:30:00 6 33.13 0.00 1.39 0.19 0.01 65.28 08:30:00 7 35.38 0.00 1.80 0.15 0.01 62.66 08:40:00 all 16.94 0.00 3.18 0.47 0.01 79.39 08:40:00 0 16.27 0.00 3.31 0.67 0.01 79.74 08:40:00 1 20.38 0.00 3.38 0.39 0.02 75.83 08:40:00 2 14.40 0.00 2.59 0.33 0.02 82.66 08:40:00 3 17.44 0.00 3.66 0.81 0.02 78.08 08:40:00 4 19.36 0.00 3.45 0.37 0.02 76.80 08:40:00 5 17.99 0.00 3.22 0.40 0.01 78.38 08:40:00 6 15.33 0.00 1.88 0.36 0.02 82.42 08:40:00 7 14.37 0.00 3.99 0.40 0.01 81.23 Average: all 21.06 0.00 1.85 0.35 0.01 76.72 Average: 0 18.72 0.00 1.87 0.30 0.01 79.10 Average: 1 23.31 0.00 2.00 0.42 0.01 74.26 Average: 2 19.77 0.00 1.65 0.30 0.01 78.26 Average: 3 22.23 0.00 2.16 0.49 0.01 75.11 Average: 4 23.30 0.00 1.94 0.46 0.02 74.28 Average: 5 20.42 0.00 1.79 0.42 0.01 77.35 Average: 6 20.67 0.00 1.31 0.23 0.01 77.77 Average: 7 20.03 0.00 2.12 0.20 0.01 77.64