---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1323 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 752 18909 4 12430 30871 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:92:e8:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84481sec preferred_lft 84481sec inet6 fe80::f816:3eff:fe92:e828/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:5f:29:25:4d:90 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::b05f:29ff:fe25:4d90/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1323) 04/09/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.72 0.51 20.66 0.56 17.94 15530.95 811.75 00:30:18 41.65 2.24 38.18 1.23 356.80 10306.82 5010.38 Average: 31.93 1.40 29.63 0.90 191.43 12856.22 2961.43 00:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19259860 28113624 4175268 12.71 190460 8721860 4568896 13.47 2212480 10735812 744 00:30:18 19547384 31594480 676024 2.06 236256 11723192 1312816 3.87 3255040 9211604 96 Average: 19403622 29854052 2425646 7.38 213358 10222526 2940856 8.67 2733760 9973708 420 00:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 265.12 265.12 258.94 258.94 0.00 0.00 0.00 0.00 00:20:01 ens3 59.09 48.99 326.53 13.11 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:18 lo 12.01 12.01 3.00 3.00 0.00 0.00 0.00 0.00 00:30:18 ens3 161.33 176.48 321.25 2626.84 0.00 0.00 0.00 0.00 00:30:18 docker0 86.45 80.86 1339.40 157.18 0.00 0.00 0.00 0.00 Average: lo 135.53 135.53 127.90 127.90 0.00 0.00 0.00 0.00 Average: ens3 111.44 114.26 323.83 1351.33 0.00 0.00 0.00 0.00 Average: docker0 44.26 41.40 685.77 80.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1323) 04/09/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:13 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.94 0.00 1.38 0.11 0.06 70.52 00:20:01 0 23.78 0.00 1.26 0.06 0.06 74.84 00:20:01 1 31.81 0.00 1.96 0.02 0.06 66.15 00:20:01 2 23.75 0.00 1.18 0.07 0.06 74.94 00:20:01 3 25.39 0.00 1.31 0.24 0.06 73.00 00:20:01 4 29.31 0.00 1.40 0.04 0.07 69.17 00:20:01 5 29.50 0.00 1.42 0.06 0.05 68.97 00:20:01 6 24.26 0.00 1.05 0.34 0.06 74.28 00:20:01 7 35.70 0.00 1.43 0.03 0.06 62.77 00:30:18 all 10.17 0.00 1.18 0.14 0.05 88.46 00:30:18 0 12.17 0.00 1.79 0.07 0.04 85.93 00:30:18 1 14.00 0.00 1.11 0.23 0.05 84.60 00:30:18 2 9.61 0.00 1.00 0.04 0.05 89.30 00:30:18 3 12.39 0.00 1.07 0.14 0.05 86.35 00:30:18 4 10.73 0.00 0.81 0.30 0.04 88.11 00:30:18 5 4.10 0.00 0.70 0.18 0.05 94.97 00:30:18 6 12.32 0.00 1.95 0.08 0.04 85.61 00:30:18 7 6.07 0.00 1.03 0.08 0.06 92.77 Average: all 18.83 0.00 1.28 0.12 0.05 79.71 Average: 0 17.83 0.00 1.53 0.06 0.05 80.52 Average: 1 22.69 0.00 1.52 0.13 0.06 75.60 Average: 2 16.51 0.00 1.09 0.05 0.05 82.30 Average: 3 18.73 0.00 1.19 0.19 0.06 79.84 Average: 4 19.79 0.00 1.10 0.17 0.06 78.88 Average: 5 16.48 0.00 1.05 0.12 0.05 82.29 Average: 6 18.14 0.00 1.51 0.21 0.05 80.09 Average: 7 20.51 0.00 1.23 0.06 0.06 78.15