---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3015 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 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 769 19741 4 11581 30855 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:75:09:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.91/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84252sec preferred_lft 84252sec inet6 fe80::f816:3eff:fe75:9c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:e2:4d:a6:fb:9c 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3015) 03/19/26 _x86_64_ (8 CPU) 07:52:39 LINUX RESTART (8 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:04 15.65 0.74 14.04 0.88 21.13 4172.93 1570.60 08:20:04 23.09 0.01 5.73 17.34 0.59 465.44 500552.53 Average: 19.37 0.37 9.89 9.11 10.86 2319.19 251061.57 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:04 19704968 24349820 7949124 24.19 175648 4653584 9680760 28.55 875156 11766060 440 08:20:04 22410016 27170340 5128636 15.61 177036 4761660 8655512 25.52 902780 9035616 4668 Average: 21057492 25760080 6538880 19.90 176342 4707622 9168136 27.04 888968 10400838 2554 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:04 lo 4.08 4.08 1.35 1.35 0.00 0.00 0.00 0.00 08:10:04 ens3 203.75 117.24 393.77 50.09 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 3.98 3.98 0.67 0.67 0.00 0.00 0.00 0.00 08:20:04 ens3 3.88 3.48 0.96 1.52 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.03 4.03 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 103.81 60.36 197.37 25.81 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3015) 03/19/26 _x86_64_ (8 CPU) 07:52:39 LINUX RESTART (8 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:04 all 57.16 0.00 1.81 0.11 0.09 40.83 08:10:04 0 55.75 0.00 1.88 0.41 0.10 41.87 08:10:04 1 60.02 0.00 1.61 0.02 0.09 38.27 08:10:04 2 58.05 0.00 1.80 0.09 0.09 39.97 08:10:04 3 53.97 0.00 1.65 0.04 0.09 44.25 08:10:04 4 57.95 0.00 1.99 0.03 0.09 39.94 08:10:04 5 59.18 0.00 1.97 0.03 0.09 38.73 08:10:04 6 58.88 0.00 1.75 0.22 0.09 39.06 08:10:04 7 53.49 0.00 1.82 0.03 0.10 44.57 08:20:04 all 97.06 0.00 2.70 0.00 0.14 0.10 08:20:04 0 97.24 0.00 2.55 0.00 0.14 0.07 08:20:04 1 97.10 0.00 2.64 0.00 0.15 0.11 08:20:04 2 96.84 0.00 2.91 0.00 0.14 0.11 08:20:04 3 97.15 0.00 2.63 0.00 0.13 0.09 08:20:04 4 97.05 0.00 2.70 0.00 0.14 0.10 08:20:04 5 97.06 0.00 2.69 0.00 0.13 0.11 08:20:04 6 97.15 0.00 2.62 0.00 0.14 0.09 08:20:04 7 96.89 0.00 2.86 0.00 0.14 0.11 Average: all 77.12 0.00 2.26 0.05 0.11 20.45 Average: 0 76.51 0.00 2.22 0.20 0.12 20.96 Average: 1 78.57 0.00 2.13 0.01 0.12 19.18 Average: 2 77.46 0.00 2.35 0.05 0.12 20.03 Average: 3 75.58 0.00 2.14 0.02 0.11 22.15 Average: 4 77.50 0.00 2.35 0.02 0.11 20.02 Average: 5 78.14 0.00 2.33 0.02 0.11 19.40 Average: 6 78.03 0.00 2.18 0.11 0.12 19.56 Average: 7 75.21 0.00 2.34 0.01 0.12 22.32