---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2579 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 777 20067 4 11247 30846 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:53:f0:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.99/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84120sec preferred_lft 84120sec inet6 fe80::f816:3eff:fe53:f00c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:15:ed:7d:91:e8 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-2579) 03/17/26 _x86_64_ (8 CPU) 15:07:00 LINUX RESTART (8 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:05 32.86 0.87 16.00 16.00 417.68 4587.91 503810.05 15:30:01 9.77 0.32 8.70 0.75 5.12 806.61 75.57 15:40:01 265.34 0.46 261.94 2.94 4.48 12490.37 27932.43 Average: 102.71 0.55 95.57 6.59 143.27 5969.55 178304.64 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:05 21508736 25730908 6573724 20.00 166036 4261696 7681736 22.65 741284 10127988 2908 15:30:01 22142040 26576716 5724308 17.42 172764 4446804 8509904 25.09 801988 9406676 2100 15:40:01 20944680 28768352 3496376 10.64 354424 7224748 3378248 9.96 1452252 9490552 85612 Average: 21531819 27025325 5264803 16.02 231075 5311083 6523296 19.24 998508 9675072 30207 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:05 lo 2.16 2.16 1.03 1.03 0.00 0.00 0.00 0.00 15:20:05 ens3 282.16 155.64 493.76 67.84 0.00 0.00 0.00 0.00 15:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 5.78 5.78 0.97 0.97 0.00 0.00 0.00 0.00 15:30:01 ens3 18.73 15.41 102.25 4.96 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 15:40:01 ens3 100.42 64.83 381.03 14.05 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.76 2.76 0.68 0.68 0.00 0.00 0.00 0.00 Average: ens3 134.31 78.91 326.49 29.08 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-2579) 03/17/26 _x86_64_ (8 CPU) 15:07:00 LINUX RESTART (8 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:05 all 50.37 0.00 1.83 0.06 0.10 47.64 15:20:05 0 45.83 0.00 2.03 0.03 0.10 52.01 15:20:05 1 50.69 0.00 1.91 0.01 0.11 47.28 15:20:05 2 49.84 0.00 1.92 0.01 0.10 48.12 15:20:05 3 48.63 0.00 1.71 0.01 0.10 49.55 15:20:05 4 58.72 0.00 1.72 0.01 0.11 39.43 15:20:05 5 47.11 0.00 1.89 0.09 0.10 50.80 15:20:05 6 47.82 0.00 1.70 0.15 0.11 50.22 15:20:05 7 54.35 0.00 1.75 0.13 0.10 43.67 15:30:01 all 80.18 0.00 2.26 0.00 0.15 17.40 15:30:01 0 78.36 0.00 2.20 0.02 0.15 19.27 15:30:01 1 82.92 0.00 2.48 0.00 0.15 14.44 15:30:01 2 80.88 0.00 2.26 0.00 0.15 16.71 15:30:01 3 80.17 0.00 2.24 0.00 0.15 17.44 15:30:01 4 80.61 0.00 2.30 0.00 0.15 16.94 15:30:01 5 80.18 0.00 2.17 0.00 0.15 17.49 15:30:01 6 79.25 0.00 2.40 0.00 0.15 18.20 15:30:01 7 79.10 0.00 2.05 0.01 0.14 18.70 15:40:01 all 71.83 0.00 3.40 0.28 0.16 24.33 15:40:01 0 70.94 0.00 3.17 0.29 0.16 25.45 15:40:01 1 71.69 0.00 3.91 0.47 0.16 23.77 15:40:01 2 73.78 0.00 3.29 0.18 0.16 22.59 15:40:01 3 73.17 0.00 3.27 0.30 0.16 23.10 15:40:01 4 70.94 0.00 3.37 0.38 0.16 25.15 15:40:01 5 70.97 0.00 3.55 0.34 0.16 24.99 15:40:01 6 71.71 0.00 3.37 0.20 0.15 24.57 15:40:01 7 71.46 0.00 3.27 0.06 0.15 25.05 Average: all 67.39 0.00 2.49 0.11 0.14 29.86 Average: 0 64.94 0.00 2.46 0.12 0.14 32.34 Average: 1 68.37 0.00 2.76 0.16 0.14 28.57 Average: 2 68.10 0.00 2.49 0.06 0.14 29.21 Average: 3 67.25 0.00 2.41 0.10 0.13 30.10 Average: 4 70.05 0.00 2.46 0.13 0.14 27.22 Average: 5 66.02 0.00 2.53 0.14 0.14 31.17 Average: 6 66.19 0.00 2.49 0.12 0.14 31.07 Average: 7 68.25 0.00 2.35 0.07 0.13 29.20