---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1590 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 17G 139G 11% / 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 765 19431 4 11895 30859 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:b7:4b:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:feb7:4b3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:bf:e3:56:1a:c3 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::8cbf:e3ff:fe56:1ac3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1590) 04/10/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:09 23.07 0.06 7.82 15.19 2.05 2548.23 505890.89 00:50:27 65.34 2.37 61.61 1.36 355.99 22075.54 5699.83 Average: 44.51 1.23 35.10 8.17 181.59 12453.57 252166.26 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:09 23794352 29121836 3180648 9.68 162964 5342704 3128528 9.23 1240120 7311696 725652 00:50:27 20134964 31628056 644404 1.96 236580 11183268 1426952 4.21 3054064 8851352 380 Average: 21964658 30374946 1912526 5.82 199772 8262986 2277740 6.72 2147092 8081524 363016 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:09 lo 1.75 1.75 0.16 0.16 0.00 0.00 0.00 0.00 00:40:09 ens3 54.28 47.23 234.30 12.72 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:27 lo 143.50 143.50 142.48 142.48 0.00 0.00 0.00 0.00 00:50:27 ens3 116.84 102.83 423.17 1240.01 0.00 0.00 0.00 0.00 00:50:27 docker0 70.86 68.53 1229.88 154.30 0.00 0.00 0.00 0.00 00:50:27 veth4942eaa 65.84 62.74 1230.47 7.59 0.00 0.00 0.00 0.10 Average: lo 73.65 73.65 72.36 72.36 0.00 0.00 0.00 0.00 Average: ens3 86.01 75.43 330.11 635.27 0.00 0.00 0.00 0.00 Average: docker0 35.95 34.76 623.86 78.27 0.00 0.00 0.00 0.00 Average: veth4942eaa 33.40 31.83 624.16 3.85 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1590) 04/10/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:09 all 33.46 0.00 1.29 0.05 0.08 65.12 00:40:09 0 27.40 0.00 1.11 0.05 0.08 71.35 00:40:09 1 44.75 0.00 1.67 0.18 0.09 53.30 00:40:09 2 35.91 0.00 1.32 0.04 0.08 62.65 00:40:09 3 33.50 0.00 1.30 0.03 0.08 65.10 00:40:09 4 34.58 0.00 1.47 0.01 0.08 63.85 00:40:09 5 30.09 0.00 1.27 0.02 0.08 68.54 00:40:09 6 30.74 0.00 1.13 0.02 0.07 68.05 00:40:09 7 30.72 0.00 1.03 0.03 0.07 68.14 00:50:27 all 13.28 0.00 1.25 0.93 0.06 84.48 00:50:27 0 14.90 0.00 1.34 1.65 0.05 82.06 00:50:27 1 13.52 0.00 1.07 0.21 0.05 85.15 00:50:27 2 14.26 0.00 1.22 0.45 0.08 83.98 00:50:27 3 10.20 0.00 0.93 1.54 0.04 87.29 00:50:27 4 12.82 0.00 1.08 0.85 0.06 85.20 00:50:27 5 13.93 0.00 1.72 1.52 0.05 82.78 00:50:27 6 15.06 0.00 1.53 0.27 0.05 83.08 00:50:27 7 11.58 0.00 1.08 0.95 0.05 86.34 Average: all 23.22 0.00 1.27 0.50 0.07 74.95 Average: 0 21.05 0.00 1.23 0.86 0.07 76.79 Average: 1 28.88 0.00 1.37 0.19 0.07 69.48 Average: 2 24.91 0.00 1.27 0.25 0.08 73.49 Average: 3 21.67 0.00 1.11 0.80 0.06 76.36 Average: 4 23.54 0.00 1.27 0.44 0.07 74.68 Average: 5 21.89 0.00 1.50 0.78 0.06 75.77 Average: 6 22.78 0.00 1.33 0.14 0.06 75.68 Average: 7 21.00 0.00 1.05 0.50 0.06 77.38