---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18660 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 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 733 19167 4 12191 30890 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:df:19:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fedf:1943/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:cf:3f:b7:96:bb 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::b8cf:3fff:feb7:96bb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-18660) 01/06/26 _x86_64_ (8 CPU) 00:24:08 LINUX RESTART (8 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:10 7.83 0.07 7.33 0.43 3.24 2321.44 523.34 00:50:01 40.05 2.19 36.81 1.05 326.87 23940.97 1549.98 Average: 23.70 1.11 21.85 0.74 162.58 12965.67 1028.80 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:10 24397200 29317032 2988572 9.09 158232 4958436 3131400 9.23 1178084 6795124 340664 00:50:01 19836460 31631408 643160 1.96 219252 11513384 1431320 4.22 3295032 8923180 452 Average: 22116830 30474220 1815866 5.53 188742 8235910 2281360 6.73 2236558 7859152 170558 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:10 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 00:40:10 ens3 55.69 45.25 229.94 12.79 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 4548.13 4548.13 4343.11 4343.11 0.00 0.00 0.00 0.00 00:50:01 ens3 120.75 100.32 343.78 1226.36 0.00 0.00 0.00 0.00 00:50:01 docker0 62.98 66.08 1214.98 68.30 0.00 0.00 0.00 0.00 00:50:01 veth9cd3b9b 60.79 63.55 1215.68 6.44 0.00 0.00 0.00 0.10 Average: lo 2240.13 2240.13 2138.38 2138.38 0.00 0.00 0.00 0.00 Average: ens3 87.72 72.36 285.99 610.28 0.00 0.00 0.00 0.00 Average: docker0 31.01 32.53 598.19 33.63 0.00 0.00 0.00 0.00 Average: veth9cd3b9b 29.93 31.29 598.53 3.17 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-18660) 01/06/26 _x86_64_ (8 CPU) 00:24:08 LINUX RESTART (8 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:10 all 37.70 0.00 1.43 0.02 0.08 60.77 00:40:10 0 30.79 0.00 1.04 0.04 0.08 68.05 00:40:10 1 39.46 0.00 1.66 0.05 0.08 58.75 00:40:10 2 39.77 0.00 1.74 0.02 0.09 58.38 00:40:10 3 38.83 0.00 1.49 0.01 0.08 59.58 00:40:10 4 35.91 0.00 1.25 0.02 0.08 62.74 00:40:10 5 38.37 0.00 1.45 0.01 0.08 60.09 00:40:10 6 46.13 0.00 1.55 0.00 0.08 52.23 00:40:10 7 32.33 0.00 1.27 0.01 0.07 66.32 00:50:01 all 17.33 0.00 2.04 0.19 0.05 80.38 00:50:01 0 14.32 0.00 2.28 0.09 0.05 83.26 00:50:01 1 16.07 0.00 1.92 0.21 0.05 81.74 00:50:01 2 17.19 0.00 2.20 0.51 0.05 80.06 00:50:01 3 31.11 0.00 4.43 0.16 0.06 64.24 00:50:01 4 15.38 0.00 1.05 0.17 0.04 83.37 00:50:01 5 17.61 0.00 1.72 0.06 0.05 80.56 00:50:01 6 11.74 0.00 0.80 0.16 0.05 87.26 00:50:01 7 15.40 0.00 1.99 0.19 0.06 82.36 Average: all 27.68 0.00 1.73 0.10 0.07 70.42 Average: 0 22.69 0.00 1.65 0.07 0.06 75.53 Average: 1 27.95 0.00 1.79 0.13 0.07 70.07 Average: 2 28.66 0.00 1.96 0.26 0.07 69.05 Average: 3 35.05 0.00 2.93 0.08 0.07 61.87 Average: 4 25.77 0.00 1.15 0.09 0.06 72.92 Average: 5 28.15 0.00 1.58 0.04 0.07 70.17 Average: 6 29.19 0.00 1.18 0.08 0.07 69.49 Average: 7 24.01 0.00 1.62 0.10 0.07 74.20