---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1331 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 17G 138G 11% / 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 770 19413 4 11908 30854 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:a4:e8:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84509sec preferred_lft 84509sec inet6 fe80::f816:3eff:fea4:e882/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:15:33:e1:19:1a 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::415:33ff:fee1:191a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1331) 04/09/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 12.15 0.25 11.30 0.59 8.97 5154.32 421.00 01:00:00 46.65 2.23 43.35 1.07 333.17 23182.32 3778.04 Average: 29.48 1.25 27.40 0.83 171.86 14212.63 2107.77 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24487804 28715360 3593924 10.94 144148 4304812 3628508 10.70 814888 7100436 32 01:00:00 20313164 31638436 637112 1.94 224236 11038992 1465764 4.32 2982484 8780916 12300 Average: 22400484 30176898 2115518 6.44 184192 7671902 2547136 7.51 1898686 7940676 6166 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.71 5.71 0.55 0.55 0.00 0.00 0.00 0.00 00:50:01 ens3 55.24 41.73 234.80 12.21 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 4642.77 4642.77 4435.66 4435.66 0.00 0.00 0.00 0.00 01:00:00 ens3 76.68 59.86 611.76 13.83 0.00 0.00 0.00 0.00 01:00:00 docker0 5.73 6.86 0.35 151.55 0.00 0.00 0.00 0.00 Average: lo 2335.64 2335.64 2229.01 2229.01 0.00 0.00 0.00 0.00 Average: ens3 66.01 50.84 424.21 13.02 0.00 0.00 0.00 0.00 Average: docker0 2.88 3.45 0.18 76.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1331) 04/09/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.25 0.00 1.45 0.03 0.07 59.20 00:50:01 0 39.18 0.00 1.33 0.06 0.07 59.37 00:50:01 1 43.06 0.00 1.61 0.01 0.07 55.25 00:50:01 2 39.72 0.00 1.57 0.02 0.07 58.62 00:50:01 3 42.46 0.00 1.39 0.03 0.07 56.05 00:50:01 4 41.95 0.00 1.48 0.05 0.07 56.45 00:50:01 5 39.20 0.00 1.41 0.01 0.07 59.32 00:50:01 6 34.84 0.00 1.40 0.06 0.06 63.64 00:50:01 7 33.55 0.00 1.42 0.04 0.06 64.92 01:00:00 all 18.90 0.00 2.19 0.19 0.05 78.67 01:00:00 0 12.43 0.00 1.33 0.30 0.05 85.88 01:00:00 1 22.85 0.00 1.75 0.18 0.06 75.16 01:00:00 2 12.38 0.00 1.10 0.54 0.05 85.93 01:00:00 3 30.56 0.00 4.62 0.09 0.05 64.68 01:00:00 4 24.07 0.00 1.97 0.17 0.05 73.74 01:00:00 5 14.57 0.00 1.02 0.03 0.05 84.33 01:00:00 6 20.64 0.00 4.69 0.03 0.05 74.59 01:00:00 7 13.79 0.00 1.06 0.21 0.04 84.90 Average: all 29.03 0.00 1.82 0.11 0.06 68.97 Average: 0 25.75 0.00 1.33 0.18 0.06 72.68 Average: 1 32.91 0.00 1.68 0.09 0.07 65.25 Average: 2 25.98 0.00 1.33 0.28 0.06 72.34 Average: 3 36.50 0.00 3.01 0.06 0.06 60.37 Average: 4 32.97 0.00 1.73 0.11 0.06 65.14 Average: 5 26.83 0.00 1.21 0.02 0.06 71.88 Average: 6 27.72 0.00 3.05 0.04 0.05 69.13 Average: 7 23.61 0.00 1.24 0.12 0.05 74.97