---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-27885 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: 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 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 738 18964 4 12389 30886 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:be:f9:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84495sec preferred_lft 84495sec inet6 fe80::f816:3eff:febe:f923/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:26:0b:cb:f9:f3 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::1026:bff:fecb:f9f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27885) 06/17/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:20 23.41 0.50 22.37 0.54 17.56 15361.63 3515.01 00:30:12 39.97 2.03 36.93 1.02 316.87 10210.46 3133.31 Average: 31.64 1.26 29.60 0.78 166.29 12801.99 3325.34 00:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:20 18931916 27888204 4400140 13.39 192128 8814852 4709796 13.89 2226592 11044912 2744 00:30:12 19602376 31607644 664556 2.02 232212 11687632 1316332 3.88 3205076 9216920 16 Average: 19267146 29747924 2532348 7.71 212170 10251242 3013064 8.89 2715834 10130916 1380 00:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:20 lo 245.41 245.41 239.76 239.76 0.00 0.00 0.00 0.00 00:20:20 ens3 58.15 50.63 319.99 13.11 0.00 0.00 0.00 0.00 00:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:12 lo 12.83 12.83 1.48 1.48 0.00 0.00 0.00 0.00 00:30:12 ens3 167.43 179.30 237.89 2739.12 0.00 0.00 0.00 0.00 00:30:12 docker0 86.63 83.70 1393.71 10.81 0.00 0.00 0.00 0.00 Average: lo 129.84 129.84 121.36 121.36 0.00 0.00 0.00 0.00 Average: ens3 112.45 114.57 279.19 1367.68 0.00 0.00 0.00 0.00 Average: docker0 43.04 41.59 692.54 5.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27885) 06/17/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:20 CPU %user %nice %system %iowait %steal %idle 00:20:20 all 28.56 0.00 1.28 0.12 0.07 69.98 00:20:20 0 23.79 0.00 1.28 0.38 0.07 74.49 00:20:20 1 29.33 0.00 1.25 0.02 0.07 69.34 00:20:20 2 26.37 0.00 1.13 0.09 0.07 72.36 00:20:20 3 38.57 0.00 1.74 0.01 0.07 59.61 00:20:20 4 26.84 0.00 1.22 0.08 0.06 71.80 00:20:20 5 29.75 0.00 1.06 0.01 0.07 69.11 00:20:20 6 28.20 0.00 1.29 0.24 0.07 70.19 00:20:20 7 25.58 0.00 1.25 0.15 0.06 72.95 00:30:12 all 9.60 0.00 0.94 0.15 0.04 89.27 00:30:12 0 10.22 0.00 1.41 0.25 0.05 88.07 00:30:12 1 11.48 0.00 1.11 0.08 0.05 87.29 00:30:12 2 6.91 0.00 0.82 0.33 0.04 91.91 00:30:12 3 12.18 0.00 0.82 0.11 0.04 86.85 00:30:12 4 8.78 0.00 0.65 0.06 0.04 90.46 00:30:12 5 7.79 0.00 0.46 0.06 0.03 91.65 00:30:12 6 11.12 0.00 0.78 0.15 0.05 87.91 00:30:12 7 8.36 0.00 1.44 0.14 0.05 90.01 Average: all 19.13 0.00 1.11 0.13 0.05 79.58 Average: 0 17.04 0.00 1.35 0.32 0.06 81.24 Average: 1 20.45 0.00 1.18 0.05 0.06 78.27 Average: 2 16.69 0.00 0.97 0.21 0.05 82.08 Average: 3 25.44 0.00 1.28 0.06 0.06 73.17 Average: 4 17.86 0.00 0.94 0.07 0.05 81.09 Average: 5 18.82 0.00 0.76 0.03 0.05 80.33 Average: 6 19.71 0.00 1.04 0.20 0.06 79.00 Average: 7 17.01 0.00 1.35 0.15 0.05 81.44