---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-16417 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 766 19078 4 12247 30858 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:dc:d1:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84461sec preferred_lft 84461sec inet6 fe80::f816:3eff:fedc:d168/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:d1:94:bf:8e:06 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::f0d1:94ff:febf:8e06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-16417) 12/26/25 _x86_64_ (8 CPU) 00:24:13 LINUX RESTART (8 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:05 12.52 0.07 12.01 0.45 3.23 5032.08 203.36 00:50:15 39.82 2.17 36.66 0.99 322.16 20488.80 3192.26 Average: 26.26 1.12 24.41 0.72 163.72 12810.10 1707.41 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:05 22565028 29294008 3003852 9.14 167140 6703812 3142592 9.27 1805896 7938192 1249272 00:50:15 19771740 31624084 649016 1.97 220808 11567448 1441428 4.25 3286184 8987772 20 Average: 21168384 30459046 1826434 5.56 193974 9135630 2292010 6.76 2546040 8462982 624646 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:05 lo 1.72 1.72 0.16 0.16 0.00 0.00 0.00 0.00 00:40:05 ens3 55.59 44.65 231.90 13.39 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:15 lo 4518.15 4518.15 4314.51 4314.51 0.00 0.00 0.00 0.00 00:50:15 ens3 115.93 98.00 332.32 1188.53 0.00 0.00 0.00 0.00 00:50:15 docker0 66.90 72.47 1178.55 66.77 0.00 0.00 0.00 0.00 00:50:15 veth54c9c6e 64.79 69.96 1179.31 6.89 0.00 0.00 0.00 0.10 Average: lo 2274.44 2274.44 2171.20 2171.20 0.00 0.00 0.00 0.00 Average: ens3 85.95 71.50 282.43 604.73 0.00 0.00 0.00 0.00 Average: docker0 33.67 36.47 593.06 33.60 0.00 0.00 0.00 0.00 Average: veth54c9c6e 32.60 35.20 593.44 3.47 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-16417) 12/26/25 _x86_64_ (8 CPU) 00:24:13 LINUX RESTART (8 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:05 all 34.71 0.00 1.37 0.09 0.07 63.76 00:40:05 0 29.79 0.00 1.03 0.09 0.07 69.01 00:40:05 1 34.08 0.00 1.23 0.02 0.07 64.60 00:40:05 2 38.42 0.00 1.30 0.08 0.08 60.12 00:40:05 3 33.81 0.00 1.39 0.16 0.07 64.58 00:40:05 4 35.79 0.00 1.60 0.04 0.08 62.49 00:40:05 5 35.69 0.00 1.42 0.17 0.07 62.65 00:40:05 6 33.08 0.00 1.51 0.02 0.07 65.31 00:40:05 7 37.03 0.00 1.45 0.12 0.08 61.33 00:50:15 all 13.94 0.00 1.94 0.32 0.04 83.75 00:50:15 0 12.00 0.00 1.21 0.44 0.05 86.30 00:50:15 1 13.59 0.00 1.60 0.28 0.04 84.49 00:50:15 2 26.82 0.00 4.92 0.41 0.05 67.80 00:50:15 3 14.67 0.00 3.96 0.50 0.04 80.82 00:50:15 4 12.03 0.00 1.10 0.22 0.03 86.62 00:50:15 5 11.28 0.00 0.91 0.16 0.04 87.61 00:50:15 6 10.67 0.00 0.69 0.21 0.05 88.39 00:50:15 7 10.59 0.00 1.18 0.37 0.04 87.82 Average: all 24.27 0.00 1.65 0.21 0.06 73.82 Average: 0 20.84 0.00 1.12 0.27 0.06 77.71 Average: 1 23.77 0.00 1.42 0.15 0.06 74.61 Average: 2 32.61 0.00 3.12 0.25 0.06 63.97 Average: 3 24.22 0.00 2.68 0.33 0.06 72.72 Average: 4 23.83 0.00 1.35 0.13 0.06 74.64 Average: 5 23.39 0.00 1.16 0.16 0.06 75.22 Average: 6 21.79 0.00 1.09 0.12 0.06 76.94 Average: 7 23.71 0.00 1.31 0.25 0.06 74.67