---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8977 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: 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 17G 138G 11% / 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 768 19268 4 12055 30856 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:52:3e:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84507sec preferred_lft 84507sec inet6 fe80::f816:3eff:fe52:3eed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:8e:1d:67:a4: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::948e:1dff:fe67:a4c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8977) 02/10/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:02 15.92 0.34 15.11 0.47 14.41 10304.32 260.95 00:50:10 34.58 2.11 31.55 0.92 348.63 15329.57 3010.14 Average: 25.38 1.24 23.44 0.70 183.85 12851.92 1654.68 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:02 22308268 29284608 3012740 9.17 166272 6941928 3732456 11.01 1838104 8166704 114876 00:50:10 19999200 31647408 626360 1.91 219004 11369148 1423360 4.20 3175828 8890844 444 Average: 21153734 30466008 1819550 5.54 192638 9155538 2577908 7.60 2506966 8528774 57660 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:02 lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 00:40:02 ens3 64.02 49.81 239.57 13.45 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:10 lo 4035.50 4035.50 3853.66 3853.66 0.00 0.00 0.00 0.00 00:50:10 ens3 129.91 121.81 333.52 1297.59 0.00 0.00 0.00 0.00 00:50:10 docker0 90.99 86.60 1287.96 70.03 0.00 0.00 0.00 0.00 00:50:10 veth44fd5b4 88.80 84.05 1289.04 10.01 0.00 0.00 0.00 0.11 Average: lo 2046.48 2046.48 1953.72 1953.72 0.00 0.00 0.00 0.00 Average: ens3 97.43 86.31 287.20 664.46 0.00 0.00 0.00 0.00 Average: docker0 46.13 43.90 652.95 35.50 0.00 0.00 0.00 0.00 Average: veth44fd5b4 45.02 42.61 653.49 5.08 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8977) 02/10/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:02 all 34.56 0.00 1.39 0.13 0.07 63.84 00:40:02 0 31.18 0.00 1.19 0.03 0.07 67.53 00:40:02 1 34.40 0.00 1.74 0.11 0.07 63.68 00:40:02 2 32.88 0.00 1.51 0.08 0.07 65.45 00:40:02 3 34.42 0.00 1.21 0.11 0.07 64.19 00:40:02 4 30.94 0.00 1.21 0.28 0.07 67.50 00:40:02 5 35.35 0.00 1.22 0.02 0.07 63.33 00:40:02 6 45.38 0.00 1.73 0.12 0.08 52.69 00:40:02 7 31.97 0.00 1.32 0.32 0.07 66.33 00:50:10 all 12.10 0.00 1.85 1.34 0.05 84.65 00:50:10 0 8.85 0.00 1.22 1.85 0.09 87.99 00:50:10 1 18.60 0.00 3.39 0.95 0.06 77.00 00:50:10 2 9.84 0.00 1.44 0.20 0.03 88.49 00:50:10 3 8.88 0.00 0.95 0.43 0.04 89.70 00:50:10 4 8.06 0.00 0.88 0.23 0.03 90.79 00:50:10 5 9.25 0.00 0.90 1.84 0.04 87.97 00:50:10 6 20.63 0.00 4.36 2.22 0.05 72.74 00:50:10 7 12.81 0.00 1.72 2.99 0.09 82.39 Average: all 23.18 0.00 1.63 0.74 0.06 74.39 Average: 0 19.86 0.00 1.21 0.95 0.08 77.91 Average: 1 26.41 0.00 2.57 0.53 0.07 70.42 Average: 2 21.19 0.00 1.48 0.14 0.05 77.14 Average: 3 21.47 0.00 1.08 0.27 0.05 77.13 Average: 4 19.33 0.00 1.04 0.26 0.05 79.33 Average: 5 22.11 0.00 1.06 0.94 0.06 75.83 Average: 6 32.87 0.00 3.06 1.18 0.07 62.82 Average: 7 22.24 0.00 1.52 1.67 0.08 74.48