---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-64831 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: 5600.00 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 12G 144G 8% / 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 896 24864 4 6331 30728 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:05:5a:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84251sec preferred_lft 84251sec inet6 fe80::f816:3eff:fe05:5a64/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:63:f6:5c:07:bf 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-64831) 03/31/26 _x86_64_ (8 CPU) 12:34:36 LINUX RESTART (8 CPU) 12:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:04 26.74 0.14 23.29 3.31 5.77 2610.64 12034.11 13:00:00 32.64 0.01 28.45 4.18 0.04 2779.66 15724.25 Average: 29.69 0.07 25.87 3.75 2.91 2695.13 13878.72 12:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:04 25541340 29151964 3155708 9.60 165136 3673972 3146776 9.28 765852 6107884 13428 13:00:00 24937656 29078464 3226208 9.82 202796 4116700 3175028 9.36 903276 6519796 43988 Average: 25239498 29115214 3190958 9.71 183966 3895336 3160902 9.32 834564 6313840 28708 12:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:04 lo 1340.40 1340.40 1276.05 1276.05 0.00 0.00 0.00 0.00 12:50:04 ens3 23.68 19.67 12.26 6.59 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1832.24 1832.24 1745.60 1745.60 0.00 0.00 0.00 0.00 13:00:00 ens3 20.83 17.46 6.74 6.09 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1586.26 1586.26 1510.76 1510.76 0.00 0.00 0.00 0.00 Average: ens3 22.25 18.57 9.50 6.34 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-64831) 03/31/26 _x86_64_ (8 CPU) 12:34:36 LINUX RESTART (8 CPU) 12:40:08 CPU %user %nice %system %iowait %steal %idle 12:50:04 all 36.90 0.00 1.62 0.91 0.15 60.42 12:50:04 0 32.44 0.00 1.64 3.67 0.11 62.14 12:50:04 1 35.91 0.00 1.72 0.56 0.14 61.67 12:50:04 2 41.28 0.00 1.86 0.28 0.20 56.38 12:50:04 3 36.82 0.00 1.63 1.14 0.13 60.28 12:50:04 4 38.35 0.00 1.57 0.87 0.14 59.06 12:50:04 5 37.64 0.00 1.45 0.22 0.14 60.55 12:50:04 6 37.78 0.00 1.52 0.17 0.13 60.39 12:50:04 7 34.94 0.00 1.60 0.40 0.17 62.90 13:00:00 all 35.40 0.00 1.70 0.42 0.09 62.39 13:00:00 0 34.78 0.00 1.74 0.30 0.09 63.10 13:00:00 1 33.36 0.00 1.56 0.31 0.09 64.69 13:00:00 2 34.84 0.00 1.79 0.83 0.10 62.44 13:00:00 3 38.77 0.00 1.80 0.18 0.09 59.17 13:00:00 4 38.00 0.00 1.65 0.10 0.09 60.15 13:00:00 5 34.00 0.00 1.74 0.18 0.09 63.99 13:00:00 6 35.74 0.00 1.77 0.24 0.11 62.15 13:00:00 7 33.70 0.00 1.58 1.24 0.09 63.40 Average: all 36.15 0.00 1.66 0.67 0.12 61.40 Average: 0 33.61 0.00 1.69 1.98 0.10 62.62 Average: 1 34.63 0.00 1.64 0.44 0.11 63.18 Average: 2 38.06 0.00 1.82 0.56 0.15 59.41 Average: 3 37.79 0.00 1.71 0.66 0.11 59.73 Average: 4 38.18 0.00 1.61 0.49 0.12 59.61 Average: 5 35.82 0.00 1.59 0.20 0.12 62.27 Average: 6 36.76 0.00 1.64 0.21 0.12 61.27 Average: 7 34.32 0.00 1.59 0.82 0.13 63.15