---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-31923 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 735 18839 4 12516 30889 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:48:92:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84513sec preferred_lft 84513sec inet6 fe80::f816:3eff:fe48:9208/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:25:c6:2a:67:c2 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::e425:c6ff:fe2a:67c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-31923) 07/01/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.47 0.64 14.07 0.77 416.17 5698.04 545.09 01:00:00 30.36 1.89 27.54 0.93 277.48 22941.41 1360.88 Average: 22.96 1.27 20.84 0.85 346.43 14368.93 955.31 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24345180 28941848 3365504 10.24 148544 4657056 3568108 10.52 960668 7088116 1080 01:00:00 20122992 31747124 531988 1.62 219572 11350108 1332548 3.93 3133172 8845476 47148 Average: 22234086 30344486 1948746 5.93 184058 8003582 2450328 7.23 2046920 7966796 24114 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.80 5.80 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 61.72 47.43 344.30 12.44 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 235.08 235.08 229.48 229.48 0.00 0.00 0.00 0.00 01:00:00 ens3 71.17 59.83 363.94 14.66 0.00 0.00 0.00 0.00 01:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 121.09 121.09 115.67 115.67 0.00 0.00 0.00 0.00 Average: ens3 66.48 53.67 354.17 13.56 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-31923) 07/01/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.87 0.00 1.37 0.26 0.08 58.43 00:50:01 0 33.58 0.00 1.36 0.08 0.08 64.91 00:50:01 1 39.28 0.00 1.42 0.04 0.09 59.18 00:50:01 2 40.75 0.00 1.35 0.03 0.08 57.79 00:50:01 3 43.32 0.00 1.48 1.78 0.09 53.33 00:50:01 4 40.99 0.00 1.33 0.01 0.08 57.59 00:50:01 5 41.18 0.00 1.36 0.08 0.08 57.30 00:50:01 6 41.59 0.00 1.20 0.02 0.08 57.10 00:50:01 7 38.26 0.00 1.44 0.01 0.08 60.21 01:00:00 all 17.70 0.00 1.22 0.16 0.05 80.87 01:00:00 0 18.66 0.00 1.25 0.26 0.06 79.76 01:00:00 1 23.88 0.00 1.62 0.11 0.07 74.32 01:00:00 2 15.37 0.00 1.23 0.28 0.05 83.07 01:00:00 3 15.24 0.00 1.08 0.08 0.05 83.55 01:00:00 4 14.33 0.00 0.96 0.17 0.04 84.50 01:00:00 5 16.92 0.00 1.18 0.12 0.05 81.73 01:00:00 6 14.91 0.00 1.11 0.09 0.05 83.83 01:00:00 7 22.28 0.00 1.30 0.16 0.06 76.20 Average: all 28.72 0.00 1.29 0.21 0.07 69.72 Average: 0 26.08 0.00 1.30 0.17 0.07 72.38 Average: 1 31.53 0.00 1.52 0.08 0.08 66.80 Average: 2 27.97 0.00 1.29 0.15 0.07 70.52 Average: 3 29.21 0.00 1.28 0.93 0.07 68.52 Average: 4 27.58 0.00 1.14 0.09 0.06 71.13 Average: 5 28.98 0.00 1.27 0.10 0.07 69.58 Average: 6 28.18 0.00 1.16 0.06 0.07 70.54 Average: 7 30.22 0.00 1.37 0.09 0.07 68.25