---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-23942 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 781 19280 4 12029 30842 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:6a:a2:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84853sec preferred_lft 84853sec inet6 fe80::f816:3eff:fe6a:a209/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:f7:ed:d7:4a:5c 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::d0f7:edff:fed7:4a5c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-23942) 02/28/26 _x86_64_ (8 CPU) 00:36:18 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.06 0.30 14.01 0.75 13.01 5403.72 963.90 01:00:08 40.70 2.37 37.36 0.97 362.61 24424.14 1539.95 Average: 28.01 1.34 25.80 0.86 189.62 15012.36 1254.91 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24180072 28412372 3895184 11.85 146032 4307172 4041308 11.92 822884 7407320 248 01:00:08 19818256 31642076 632176 1.92 221552 11531032 1421364 4.19 3178880 9041584 188 Average: 21999164 30027224 2263680 6.89 183792 7919102 2731336 8.05 2000882 8224452 218 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.67 5.67 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 65.31 49.11 318.73 12.70 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 01:00:08 lo 4442.82 4442.82 4242.13 4242.13 0.00 0.00 0.00 0.00 01:00:08 ens3 67.39 51.00 513.57 11.87 0.00 0.00 0.00 0.00 01:00:08 docker0 2.87 3.43 0.17 60.37 0.00 0.00 0.00 0.00 01:00:08 veth4175d4f 0.04 0.04 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 2247.21 2247.21 2143.29 2143.29 0.00 0.00 0.00 0.00 Average: ens3 66.36 50.06 417.16 12.28 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.73 0.09 30.50 0.00 0.00 0.00 0.00 Average: veth4175d4f 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-23942) 02/28/26 _x86_64_ (8 CPU) 00:36:18 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 37.21 0.00 1.28 0.04 0.07 61.40 00:50:01 0 38.93 0.00 1.33 0.01 0.07 59.65 00:50:01 1 40.89 0.00 1.31 0.02 0.07 57.71 00:50:01 2 34.31 0.00 1.22 0.01 0.07 64.39 00:50:01 3 34.19 0.00 1.36 0.08 0.07 64.29 00:50:01 4 39.50 0.00 1.11 0.07 0.07 59.25 00:50:01 5 38.49 0.00 1.40 0.01 0.07 60.03 00:50:01 6 36.92 0.00 1.41 0.08 0.07 61.52 00:50:01 7 34.43 0.00 1.12 0.02 0.06 64.38 01:00:08 all 17.55 0.00 2.13 0.19 0.05 80.09 01:00:08 0 15.47 0.00 2.06 0.05 0.05 82.36 01:00:08 1 23.23 0.00 2.97 0.02 0.04 73.73 01:00:08 2 20.07 0.00 2.14 0.39 0.05 77.34 01:00:08 3 22.56 0.00 3.23 0.07 0.05 74.09 01:00:08 4 14.94 0.00 1.49 0.30 0.05 83.22 01:00:08 5 13.21 0.00 1.18 0.30 0.04 85.26 01:00:08 6 15.44 0.00 2.66 0.14 0.05 81.71 01:00:08 7 15.49 0.00 1.27 0.21 0.05 82.98 Average: all 27.29 0.00 1.71 0.11 0.06 70.83 Average: 0 27.09 0.00 1.70 0.03 0.06 71.12 Average: 1 31.98 0.00 2.15 0.02 0.06 65.79 Average: 2 27.13 0.00 1.69 0.21 0.06 70.92 Average: 3 28.33 0.00 2.30 0.08 0.06 69.23 Average: 4 27.10 0.00 1.30 0.19 0.06 71.36 Average: 5 25.72 0.00 1.29 0.16 0.05 72.77 Average: 6 26.09 0.00 2.04 0.11 0.06 71.70 Average: 7 24.87 0.00 1.19 0.11 0.06 73.77