---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-31 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 10G 145G 7% / 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 705 26962 4 4424 30919 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:7a:12:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84813sec preferred_lft 84813sec inet6 fe80::f816:3eff:fe7a:12f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:41:62:09:bb:e5 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-31) 04/07/26 _x86_64_ (8 CPU) 08:47:38 LINUX RESTART (8 CPU) 08:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:03 35.22 3.55 28.89 2.77 180.81 6120.87 6520.83 09:10:03 37.64 0.11 32.65 4.88 5.20 2598.57 9514.21 Average: 36.43 1.83 30.78 3.83 92.57 4351.08 8024.87 08:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:03 25447824 28839284 3472088 10.57 153348 3477144 3552248 10.48 673816 6302536 6964 09:10:03 24964808 28948128 3358052 10.22 193640 3980432 3386388 9.99 809056 6605048 178800 Average: 25206316 28893706 3415070 10.39 173494 3728788 3469318 10.23 741436 6453792 92882 08:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:03 lo 872.94 872.94 830.48 830.48 0.00 0.00 0.00 0.00 09:00:03 ens3 104.83 78.74 968.58 14.75 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 2213.22 2213.22 2108.95 2108.95 0.00 0.00 0.00 0.00 09:10:03 ens3 24.03 18.14 9.48 6.63 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1546.37 1546.37 1472.85 1472.85 0.00 0.00 0.00 0.00 Average: ens3 64.23 48.29 486.68 10.67 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-31) 04/07/26 _x86_64_ (8 CPU) 08:47:38 LINUX RESTART (8 CPU) 08:50:09 CPU %user %nice %system %iowait %steal %idle 09:00:03 all 37.55 0.00 1.47 0.11 0.07 60.81 09:00:03 0 33.64 0.00 1.43 0.04 0.07 64.82 09:00:03 1 37.07 0.00 1.58 0.04 0.08 61.23 09:00:03 2 40.70 0.00 1.35 0.03 0.07 57.85 09:00:03 3 42.01 0.00 1.90 0.11 0.07 55.91 09:00:03 4 38.56 0.00 1.43 0.04 0.07 59.90 09:00:03 5 37.10 0.00 1.41 0.50 0.07 60.91 09:00:03 6 34.00 0.00 1.40 0.06 0.06 64.47 09:00:03 7 37.32 0.00 1.24 0.04 0.06 61.35 09:10:03 all 34.88 0.00 1.71 0.11 0.07 63.22 09:10:03 0 31.20 0.00 1.45 0.34 0.07 66.95 09:10:03 1 39.75 0.00 2.03 0.04 0.08 58.11 09:10:03 2 37.24 0.00 1.72 0.04 0.08 60.92 09:10:03 3 33.62 0.00 1.66 0.02 0.07 64.63 09:10:03 4 37.59 0.00 1.75 0.03 0.07 60.56 09:10:03 5 32.00 0.00 1.73 0.04 0.07 66.16 09:10:03 6 31.87 0.00 1.47 0.29 0.07 66.30 09:10:03 7 35.81 0.00 1.91 0.05 0.08 62.15 Average: all 36.21 0.00 1.59 0.11 0.07 62.02 Average: 0 32.41 0.00 1.44 0.19 0.07 65.89 Average: 1 38.42 0.00 1.80 0.04 0.08 59.66 Average: 2 38.96 0.00 1.53 0.04 0.07 59.39 Average: 3 37.79 0.00 1.78 0.06 0.07 60.29 Average: 4 38.07 0.00 1.59 0.04 0.07 60.23 Average: 5 34.54 0.00 1.57 0.27 0.07 63.55 Average: 6 32.93 0.00 1.43 0.18 0.07 65.39 Average: 7 36.56 0.00 1.57 0.04 0.07 61.75