---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8595 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 791 18982 4 12318 30833 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:b6:7f:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84812sec preferred_lft 84812sec inet6 fe80::f816:3eff:feb6:7f11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:17:3c:01:c8:02 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::d417:3cff:fe01:c802/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8595) 02/08/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 29.27 12.82 15.37 1.08 760.31 5932.55 23799.24 01:00:02 41.15 2.20 37.97 0.98 335.08 23457.04 2417.20 Average: 35.26 7.46 26.77 1.03 545.84 14771.05 13015.18 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 23993856 28521740 3784316 11.52 147456 4590036 3944080 11.63 1033736 7366196 32 01:00:02 19797452 31640308 633424 1.93 221584 11546932 1400212 4.13 3364976 8886256 89872 Average: 21895654 30081024 2208870 6.72 184520 8068484 2672146 7.88 2199356 8126226 44952 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.70 5.70 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 62.74 44.67 355.48 11.24 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 01:00:02 lo 4486.15 4486.15 4283.79 4283.79 0.00 0.00 0.00 0.00 01:00:02 ens3 71.74 52.25 518.35 12.26 0.00 0.00 0.00 0.00 01:00:02 docker0 2.18 2.59 0.13 60.79 0.00 0.00 0.00 0.00 Average: lo 2265.42 2265.42 2160.81 2160.81 0.00 0.00 0.00 0.00 Average: ens3 67.28 48.49 437.63 11.75 0.00 0.00 0.00 0.00 Average: docker0 1.10 1.31 0.07 30.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8595) 02/08/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.90 0.04 1.45 0.16 0.08 58.37 00:50:01 0 36.29 0.01 1.29 0.05 0.08 62.27 00:50:01 1 40.82 0.00 1.58 0.07 0.08 57.46 00:50:01 2 49.09 0.23 1.80 0.46 0.09 48.33 00:50:01 3 30.77 0.01 1.32 0.15 0.08 67.68 00:50:01 4 41.36 0.05 1.53 0.17 0.08 56.81 00:50:01 5 41.99 0.00 1.44 0.09 0.08 56.39 00:50:01 6 40.34 0.01 1.30 0.05 0.07 58.23 00:50:01 7 38.57 0.00 1.33 0.25 0.08 59.77 01:00:02 all 20.20 0.00 2.23 0.36 0.06 77.15 01:00:02 0 13.34 0.00 1.78 0.53 0.06 84.29 01:00:02 1 28.78 0.00 2.84 0.40 0.06 67.92 01:00:02 2 28.28 0.00 4.84 0.42 0.06 66.40 01:00:02 3 24.69 0.00 2.82 0.14 0.06 72.28 01:00:02 4 13.84 0.00 1.08 0.17 0.06 84.84 01:00:02 5 15.32 0.00 1.29 0.70 0.05 82.65 01:00:02 6 17.64 0.00 1.26 0.39 0.05 80.65 01:00:02 7 19.76 0.00 1.96 0.13 0.06 78.09 Average: all 29.97 0.02 1.84 0.26 0.07 67.83 Average: 0 24.72 0.01 1.54 0.29 0.07 73.37 Average: 1 34.76 0.00 2.22 0.23 0.07 62.72 Average: 2 38.62 0.11 3.33 0.44 0.07 57.42 Average: 3 27.72 0.00 2.08 0.14 0.07 69.99 Average: 4 27.48 0.03 1.31 0.17 0.07 70.95 Average: 5 28.54 0.00 1.36 0.40 0.07 69.63 Average: 6 28.89 0.01 1.28 0.22 0.06 69.54 Average: 7 29.09 0.00 1.65 0.19 0.07 69.01