---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-15301 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 765 19022 4 12304 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:7c:f9:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84506sec preferred_lft 84506sec inet6 fe80::f816:3eff:fe7c:f953/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:0a:aa:a2:1b:3c 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::380a:aaff:fea2:1b3c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-15301) 05/15/26 _x86_64_ (8 CPU) 00:00:33 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.14 0.50 20.12 0.53 17.54 15306.49 540.04 00:30:14 42.33 1.98 39.16 1.19 308.66 10374.06 6445.35 Average: 31.85 1.24 29.74 0.86 164.63 12814.39 3523.68 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19216328 27954176 4334828 13.19 189876 8607352 4686608 13.82 2107472 10883304 932 00:30:14 19665056 31583340 687180 2.09 236664 11594572 1291432 3.81 3142836 9203068 112 Average: 19440692 29768758 2511004 7.64 213270 10100962 2989020 8.81 2625154 10043186 522 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 231.18 231.18 225.73 225.73 0.00 0.00 0.00 0.00 00:20:01 ens3 60.99 53.14 321.44 14.34 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 00:30:14 lo 13.97 13.97 1.59 1.59 0.00 0.00 0.00 0.00 00:30:14 ens3 174.97 184.49 326.36 2671.76 0.00 0.00 0.00 0.00 00:30:14 docker0 88.28 84.78 1347.90 158.44 0.00 0.00 0.00 0.00 Average: lo 121.43 121.43 112.49 112.49 0.00 0.00 0.00 0.00 Average: ens3 118.58 119.51 323.93 1356.99 0.00 0.00 0.00 0.00 Average: docker0 44.60 42.83 681.02 80.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-15301) 05/15/26 _x86_64_ (8 CPU) 00:00:33 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.82 0.00 1.31 0.08 0.07 70.71 00:20:01 0 24.20 0.00 1.43 0.06 0.07 74.24 00:20:01 1 30.06 0.00 1.71 0.09 0.07 68.06 00:20:01 2 27.99 0.00 1.20 0.12 0.07 70.62 00:20:01 3 34.90 0.00 1.39 0.01 0.07 63.63 00:20:01 4 26.68 0.00 1.13 0.09 0.07 72.02 00:20:01 5 27.31 0.00 1.24 0.10 0.07 71.29 00:20:01 6 25.42 0.00 1.06 0.03 0.07 73.42 00:20:01 7 26.03 0.00 1.33 0.18 0.07 72.39 00:30:14 all 9.61 0.00 1.07 0.17 0.04 89.10 00:30:14 0 10.46 0.00 0.94 0.10 0.04 88.47 00:30:14 1 11.86 0.00 1.71 0.03 0.05 86.35 00:30:14 2 7.41 0.00 1.12 0.19 0.05 91.23 00:30:14 3 7.94 0.00 0.89 0.11 0.04 91.01 00:30:14 4 11.91 0.00 0.90 0.23 0.04 86.93 00:30:14 5 7.21 0.00 0.73 0.12 0.04 91.90 00:30:14 6 3.24 0.00 0.61 0.54 0.04 95.58 00:30:14 7 16.83 0.00 1.68 0.07 0.06 81.37 Average: all 18.61 0.00 1.19 0.13 0.06 80.01 Average: 0 17.25 0.00 1.18 0.08 0.05 81.43 Average: 1 20.86 0.00 1.71 0.06 0.06 77.31 Average: 2 17.59 0.00 1.16 0.15 0.06 81.03 Average: 3 21.27 0.00 1.14 0.06 0.05 77.47 Average: 4 19.21 0.00 1.01 0.16 0.05 79.57 Average: 5 17.15 0.00 0.98 0.11 0.05 81.71 Average: 6 14.21 0.00 0.83 0.29 0.06 84.62 Average: 7 21.37 0.00 1.51 0.12 0.07 76.93