---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-155793 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 736 19199 4 12157 30888 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:47:0e:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fe47:e8e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:d3:08:61:68:18 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::50d3:8ff:fe61:6818/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-155793) 03/07/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 16.44 0.42 15.64 0.38 15.28 14605.13 1421.38 00:30:02 33.52 2.20 30.27 1.04 357.98 11568.94 1717.60 Average: 25.06 1.32 23.03 0.71 188.36 13071.64 1570.99 00:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 20301876 28612576 3679816 11.20 183156 8201356 4032536 11.89 2020492 9917688 40 00:30:02 18541364 30481408 1791624 5.45 222968 11634336 2399800 7.08 3216988 10284064 85068 Average: 19421620 29546992 2735720 8.32 203062 9917846 3216168 9.48 2618740 10100876 42554 00:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 3322.73 3322.73 3173.84 3173.84 0.00 0.00 0.00 0.00 00:20:01 ens3 51.71 40.20 316.74 11.20 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 00:30:02 lo 1371.69 1371.69 1299.81 1299.81 0.00 0.00 0.00 0.00 00:30:02 ens3 200.23 203.25 501.09 2712.62 0.00 0.00 0.00 0.00 00:30:02 docker0 83.70 85.45 1355.13 71.48 0.00 0.00 0.00 0.00 Average: lo 2337.32 2337.32 2227.33 2227.33 0.00 0.00 0.00 0.00 Average: ens3 126.72 122.55 409.85 1375.61 0.00 0.00 0.00 0.00 Average: docker0 42.28 43.16 684.43 36.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-155793) 03/07/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:11 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 25.96 0.00 1.69 0.10 0.06 72.20 00:20:01 0 25.68 0.00 1.28 0.33 0.07 72.63 00:20:01 1 22.55 0.00 1.40 0.10 0.06 75.89 00:20:01 2 30.38 0.00 3.28 0.21 0.06 66.08 00:20:01 3 30.34 0.00 2.76 0.02 0.06 66.81 00:20:01 4 30.64 0.00 1.48 0.01 0.06 67.81 00:20:01 5 23.52 0.00 1.26 0.07 0.06 75.09 00:20:01 6 25.12 0.00 1.25 0.05 0.05 73.52 00:20:01 7 19.49 0.00 0.81 0.01 0.05 79.65 00:30:02 all 12.95 0.00 1.28 0.15 0.05 85.57 00:30:02 0 12.91 0.00 1.85 0.26 0.05 84.92 00:30:02 1 19.84 0.00 1.69 0.08 0.05 78.34 00:30:02 2 11.70 0.00 0.79 0.24 0.05 87.22 00:30:02 3 14.55 0.00 2.00 0.09 0.04 83.32 00:30:02 4 7.97 0.00 0.63 0.03 0.03 91.34 00:30:02 5 16.92 0.00 1.11 0.11 0.05 81.81 00:30:02 6 8.61 0.00 0.74 0.07 0.05 90.53 00:30:02 7 11.13 0.00 1.45 0.29 0.05 87.09 Average: all 19.38 0.00 1.48 0.12 0.05 78.96 Average: 0 19.23 0.00 1.57 0.30 0.06 78.84 Average: 1 21.19 0.00 1.55 0.09 0.05 77.12 Average: 2 20.91 0.00 2.01 0.23 0.05 76.80 Average: 3 22.36 0.00 2.38 0.06 0.05 75.16 Average: 4 19.18 0.00 1.05 0.02 0.04 79.71 Average: 5 20.19 0.00 1.18 0.09 0.05 78.49 Average: 6 16.78 0.00 0.99 0.06 0.05 82.12 Average: 7 15.26 0.00 1.13 0.15 0.05 83.41