---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4978 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 23G 133G 15% / 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 841 14123 4 17127 30782 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:33:ca:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.43/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83813sec preferred_lft 83813sec inet6 fe80::f816:3eff:fe33:ca01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:4e:95:6b:0d:56 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::804e:95ff:fe6b:d56/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-4978) 11/02/26 _x86_64_ (8 CPU) 10:11:20 LINUX RESTART (8 CPU) 10:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 1.76 0.18 1.58 0.01 4.80 19.27 1.39 10:40:00 442.51 6.57 427.33 8.61 485.28 29750.48 24247.10 10:50:00 90.53 0.51 85.78 4.24 25.97 13549.85 37627.60 Average: 179.27 2.43 172.53 4.31 172.90 14528.76 20771.64 10:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 30027832 31743744 634564 1.93 99856 1948088 1534320 4.52 230120 2309280 8 10:40:00 20738432 30156552 2086408 6.35 486252 8445412 2483380 7.32 2268892 8587132 284 10:50:00 14895796 27580432 4642720 14.13 537020 11497584 4908880 14.48 3125988 13394508 536 Average: 21887353 29826909 2454564 7.47 374376 7297028 2975527 8.77 1875000 8096973 276 10:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 1.21 0.95 0.76 0.76 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 10:40:00 ens3 347.40 235.87 3568.34 218.65 0.00 0.00 0.00 0.00 10:40:00 docker0 12.25 17.10 0.71 221.89 0.00 0.00 0.00 0.00 10:50:00 lo 9.50 9.50 2.48 2.48 0.00 0.00 0.00 0.00 10:50:00 ens3 227.84 166.87 930.64 583.92 0.00 0.00 0.00 0.00 10:50:00 docker0 4.24 5.91 0.55 80.28 0.00 0.00 0.00 0.00 10:50:00 veth69c1508 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.67 3.67 0.88 0.88 0.00 0.00 0.00 0.00 Average: ens3 193.38 135.43 1508.66 269.77 0.00 0.00 0.00 0.00 Average: docker0 5.53 7.72 0.42 101.33 0.00 0.00 0.00 0.00 Average: veth69c1508 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-4978) 11/02/26 _x86_64_ (8 CPU) 10:11:20 LINUX RESTART (8 CPU) 10:20:14 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 0.04 0.00 0.01 0.01 0.00 99.94 10:30:01 0 0.02 0.00 0.01 0.00 0.00 99.97 10:30:01 1 0.03 0.00 0.01 0.00 0.00 99.96 10:30:01 2 0.02 0.00 0.01 0.00 0.00 99.96 10:30:01 3 0.04 0.00 0.02 0.01 0.00 99.94 10:30:01 4 0.05 0.00 0.03 0.01 0.00 99.91 10:30:01 5 0.06 0.00 0.02 0.01 0.00 99.91 10:30:01 6 0.07 0.00 0.01 0.04 0.00 99.88 10:30:01 7 0.00 0.00 0.00 0.00 0.00 99.99 10:40:00 all 31.67 0.00 3.73 1.01 0.02 63.57 10:40:00 0 32.28 0.00 3.39 0.77 0.03 63.53 10:40:00 1 29.89 0.00 3.64 0.85 0.02 65.61 10:40:00 2 32.23 0.00 3.56 0.81 0.02 63.38 10:40:00 3 28.76 0.00 3.69 1.09 0.02 66.45 10:40:00 4 32.05 0.00 3.46 0.92 0.03 63.55 10:40:00 5 36.20 0.00 4.34 1.28 0.04 58.14 10:40:00 6 31.87 0.00 4.20 1.02 0.02 62.90 10:40:00 7 30.05 0.00 3.55 1.34 0.02 65.04 10:50:00 all 74.77 0.00 3.36 0.27 0.04 21.56 10:50:00 0 73.98 0.00 3.37 0.38 0.04 22.23 10:50:00 1 75.42 0.00 3.44 0.26 0.04 20.83 10:50:00 2 76.08 0.00 3.66 0.20 0.04 20.02 10:50:00 3 73.99 0.00 3.24 0.22 0.02 22.52 10:50:00 4 73.85 0.00 3.41 0.25 0.04 22.45 10:50:00 5 76.47 0.00 3.29 0.32 0.04 19.89 10:50:00 6 73.99 0.00 3.50 0.40 0.04 22.07 10:50:00 7 74.38 0.00 2.98 0.13 0.04 22.48 Average: all 35.73 0.00 2.38 0.43 0.02 61.44 Average: 0 35.68 0.00 2.27 0.38 0.02 61.64 Average: 1 35.34 0.00 2.38 0.37 0.02 61.89 Average: 2 36.34 0.00 2.42 0.34 0.02 60.88 Average: 3 34.51 0.00 2.33 0.44 0.01 62.71 Average: 4 35.55 0.00 2.31 0.39 0.02 61.71 Average: 5 37.81 0.00 2.56 0.54 0.03 59.07 Average: 6 35.53 0.00 2.58 0.49 0.02 61.38 Average: 7 35.10 0.00 2.19 0.49 0.02 62.20