---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2103 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 771 19109 4 12211 30853 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:01:2a:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84529sec preferred_lft 84529sec inet6 fe80::f816:3eff:fe01:2a3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:f0:7f:cb:98:f9 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::f4f0:7fff:fecb:98f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2103) 04/12/26 _x86_64_ (8 CPU) 00:00:19 LINUX RESTART (8 CPU) 00:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.32 0.49 20.30 0.52 17.37 15111.64 3971.16 00:30:20 42.28 2.21 38.89 1.18 349.63 10450.98 6019.59 Average: 31.95 1.36 29.73 0.85 185.87 12748.03 5010.00 00:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18928252 27560024 4731060 14.40 187916 8505560 4923452 14.52 2075988 11212588 364 00:30:20 18705560 30627248 1643528 5.00 234756 11596712 2266476 6.68 3138348 10213092 38736 Average: 18816906 29093636 3187294 9.70 211336 10051136 3594964 10.60 2607168 10712840 19550 00:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 257.18 257.18 250.13 250.13 0.00 0.00 0.00 0.00 00:20:01 ens3 64.21 47.97 319.83 13.19 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 00:30:20 lo 15.37 15.37 3.83 3.83 0.00 0.00 0.00 0.00 00:30:20 ens3 196.26 196.90 469.64 2675.05 0.00 0.00 0.00 0.00 00:30:20 docker0 88.29 90.19 1336.20 157.44 0.00 0.00 0.00 0.00 Average: lo 134.55 134.55 125.22 125.22 0.00 0.00 0.00 0.00 Average: ens3 131.18 123.50 395.81 1363.13 0.00 0.00 0.00 0.00 Average: docker0 44.78 45.74 677.64 79.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2103) 04/12/26 _x86_64_ (8 CPU) 00:00:19 LINUX RESTART (8 CPU) 00:10:00 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 25.66 0.00 1.14 0.10 0.06 73.03 00:20:01 0 22.92 0.00 0.97 0.10 0.07 75.95 00:20:01 1 22.07 0.00 0.80 0.01 0.06 77.06 00:20:01 2 24.21 0.00 1.41 0.12 0.07 74.19 00:20:01 3 30.71 0.00 1.18 0.03 0.07 68.02 00:20:01 4 29.17 0.00 1.57 0.06 0.07 69.14 00:20:01 5 29.50 0.00 1.30 0.10 0.06 69.03 00:20:01 6 24.91 0.00 1.00 0.09 0.06 73.94 00:20:01 7 21.84 0.00 0.92 0.28 0.06 76.90 00:30:20 all 12.17 0.00 1.10 0.13 0.05 86.55 00:30:20 0 7.70 0.00 0.88 0.10 0.04 91.29 00:30:20 1 8.09 0.00 0.69 0.11 0.06 91.05 00:30:20 2 21.04 0.00 1.88 0.23 0.05 76.80 00:30:20 3 17.52 0.00 1.58 0.04 0.05 80.81 00:30:20 4 13.73 0.00 0.97 0.08 0.05 85.17 00:30:20 5 7.35 0.00 0.93 0.12 0.05 91.55 00:30:20 6 14.25 0.00 1.10 0.07 0.05 84.53 00:30:20 7 7.69 0.00 0.74 0.33 0.05 91.20 Average: all 18.82 0.00 1.12 0.12 0.06 79.89 Average: 0 15.20 0.00 0.92 0.10 0.05 83.73 Average: 1 14.99 0.00 0.74 0.06 0.06 84.15 Average: 2 22.60 0.00 1.65 0.18 0.06 75.51 Average: 3 24.01 0.00 1.38 0.03 0.06 74.51 Average: 4 21.32 0.00 1.27 0.07 0.06 77.28 Average: 5 18.27 0.00 1.11 0.11 0.06 80.45 Average: 6 19.50 0.00 1.05 0.08 0.06 79.32 Average: 7 14.66 0.00 0.83 0.30 0.05 84.16