---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7505 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 787 19037 4 12267 30837 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:e9:9c:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fee9:9c08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:7b:0e:62:18:85 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::6c7b:eff:fe62:1885/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-7505) 02/04/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 15.80 0.33 15.01 0.46 14.03 9154.18 1351.60 00:50:05 35.53 2.09 32.52 0.92 348.98 16520.17 1790.20 Average: 25.74 1.22 23.83 0.69 182.65 12862.47 1572.41 00:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 22340584 29427052 2869644 8.73 168400 7051296 2953496 8.71 1953120 7991524 325916 00:50:05 19751292 31625636 646868 1.97 221480 11589016 1391284 4.10 3299592 8996640 212 Average: 21045938 30526344 1758256 5.35 194940 9320156 2172390 6.41 2626356 8494082 163064 00:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.67 1.67 0.17 0.17 0.00 0.00 0.00 0.00 00:40:01 ens3 61.44 46.50 235.36 12.63 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 4550.73 4550.73 4345.70 4345.70 0.00 0.00 0.00 0.00 00:50:05 ens3 133.46 120.34 338.81 1315.60 0.00 0.00 0.00 0.00 00:50:05 docker0 85.36 82.23 1305.03 70.52 0.00 0.00 0.00 0.00 00:50:05 veth045cf49 83.26 79.60 1306.04 10.05 0.00 0.00 0.00 0.11 Average: lo 2291.82 2291.82 2187.85 2187.85 0.00 0.00 0.00 0.00 Average: ens3 97.70 83.67 287.44 668.59 0.00 0.00 0.00 0.00 Average: docker0 42.97 41.40 657.00 35.50 0.00 0.00 0.00 0.00 Average: veth045cf49 41.91 40.07 657.50 5.06 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-7505) 02/04/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:05 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 35.26 0.00 1.41 0.06 0.08 63.19 00:40:01 0 37.09 0.00 1.62 0.03 0.09 61.17 00:40:01 1 37.01 0.00 1.49 0.04 0.08 61.38 00:40:01 2 37.04 0.00 1.34 0.03 0.08 61.52 00:40:01 3 37.00 0.00 1.42 0.14 0.08 61.36 00:40:01 4 35.08 0.00 1.38 0.01 0.07 63.45 00:40:01 5 34.38 0.00 1.57 0.01 0.08 63.97 00:40:01 6 30.48 0.00 1.11 0.19 0.07 68.14 00:40:01 7 34.00 0.00 1.35 0.04 0.07 64.54 00:50:05 all 14.08 0.00 2.11 0.18 0.05 83.59 00:50:05 0 18.22 0.00 2.30 0.17 0.06 79.25 00:50:05 1 13.94 0.00 1.57 0.16 0.05 84.28 00:50:05 2 14.60 0.00 1.65 0.36 0.05 83.34 00:50:05 3 11.82 0.00 1.57 0.23 0.04 86.33 00:50:05 4 18.35 0.00 4.90 0.11 0.05 76.60 00:50:05 5 17.17 0.00 3.02 0.04 0.05 79.72 00:50:05 6 9.24 0.00 1.04 0.08 0.04 89.61 00:50:05 7 9.31 0.00 0.83 0.27 0.04 89.56 Average: all 24.60 0.00 1.76 0.12 0.06 73.46 Average: 0 27.59 0.00 1.96 0.10 0.07 70.27 Average: 1 25.38 0.00 1.53 0.10 0.07 72.93 Average: 2 25.73 0.00 1.49 0.19 0.07 72.51 Average: 3 24.32 0.00 1.50 0.19 0.06 73.94 Average: 4 26.68 0.00 3.15 0.06 0.06 70.06 Average: 5 25.74 0.00 2.29 0.02 0.06 71.88 Average: 6 19.78 0.00 1.07 0.14 0.06 78.96 Average: 7 21.57 0.00 1.09 0.15 0.05 77.13