---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25704 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 780 18662 4 12649 30844 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:05:ea:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe05:eaa6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:f0:d5:b0:fd:9a 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::64f0:d5ff:feb0:fd9a/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-25704) 06/08/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 16.05 0.64 14.62 0.80 421.26 5786.57 765.20 01:00:00 30.69 1.92 27.81 0.96 283.34 23300.08 1077.62 Average: 23.41 1.28 21.25 0.88 351.90 14594.50 922.32 00:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 24151480 28745352 3561436 10.84 148520 4654552 3707144 10.93 960792 7286480 36 01:00:00 20070464 31692776 586584 1.78 219464 11347924 1336076 3.94 3133616 8882096 47252 Average: 22110972 30219064 2074010 6.31 183992 8001238 2521610 7.44 2047204 8084288 23644 00:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 5.83 5.83 0.56 0.56 0.00 0.00 0.00 0.00 00:50:09 ens3 56.93 45.23 348.91 12.13 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 201.34 201.34 197.70 197.70 0.00 0.00 0.00 0.00 01:00:00 ens3 71.26 58.46 369.45 14.73 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 104.16 104.16 99.71 99.71 0.00 0.00 0.00 0.00 Average: ens3 64.14 51.89 359.24 13.44 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-25704) 06/08/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:26 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 38.83 0.00 1.32 0.06 0.07 59.73 00:50:09 0 36.35 0.00 1.46 0.11 0.07 62.00 00:50:09 1 39.20 0.00 1.20 0.01 0.07 59.52 00:50:09 2 38.85 0.00 1.14 0.07 0.07 59.87 00:50:09 3 38.36 0.00 1.54 0.06 0.07 59.97 00:50:09 4 35.65 0.00 1.21 0.04 0.06 63.04 00:50:09 5 39.86 0.00 1.39 0.06 0.07 58.63 00:50:09 6 43.82 0.00 1.22 0.03 0.07 54.86 00:50:09 7 38.55 0.00 1.38 0.08 0.07 59.93 01:00:00 all 17.59 0.00 1.23 0.18 0.06 80.94 01:00:00 0 14.73 0.00 0.95 0.38 0.06 83.88 01:00:00 1 18.71 0.00 1.33 0.03 0.06 79.87 01:00:00 2 16.61 0.00 1.14 0.19 0.06 81.99 01:00:00 3 16.49 0.00 1.57 0.07 0.05 81.82 01:00:00 4 19.74 0.00 1.26 0.17 0.06 78.78 01:00:00 5 20.64 0.00 1.49 0.34 0.06 77.47 01:00:00 6 18.14 0.00 1.11 0.20 0.05 80.51 01:00:00 7 15.69 0.00 1.00 0.10 0.05 83.16 Average: all 28.15 0.00 1.27 0.12 0.06 70.39 Average: 0 25.47 0.00 1.21 0.25 0.07 73.01 Average: 1 28.90 0.00 1.27 0.02 0.06 69.75 Average: 2 27.67 0.00 1.14 0.13 0.07 70.99 Average: 3 27.36 0.00 1.56 0.07 0.06 70.95 Average: 4 27.65 0.00 1.24 0.10 0.06 70.95 Average: 5 30.20 0.00 1.44 0.20 0.06 68.10 Average: 6 30.90 0.00 1.17 0.11 0.06 67.76 Average: 7 27.05 0.00 1.19 0.09 0.06 71.62