---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-34644 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: 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 17G 139G 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 730 19607 4 11754 30894 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:66:dc:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84535sec preferred_lft 84535sec inet6 fe80::f816:3eff:fe66:dc4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:f7:34:6f:d3:f3 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::7cf7:34ff:fe6f:d3f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-34644) 07/11/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 10.89 0.07 10.38 0.45 2.01 5128.51 2462.40 00:50:08 51.97 2.17 48.75 1.06 316.79 19521.71 2967.07 Average: 31.66 1.13 29.78 0.76 161.15 12405.23 2717.55 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 22027624 29028104 3270012 9.95 168560 6952276 4080328 12.03 1794984 8460520 1610304 00:50:08 20343064 31693752 581992 1.77 226784 11054704 1445412 4.26 2954188 8764836 132 Average: 21185344 30360928 1926002 5.86 197672 9003490 2762870 8.15 2374586 8612678 805218 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.77 1.77 0.16 0.16 0.00 0.00 0.00 0.00 00:40:01 ens3 65.00 51.14 239.40 14.38 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 00:50:08 lo 210.31 210.31 206.26 206.26 0.00 0.00 0.00 0.00 00:50:08 ens3 120.18 116.25 337.51 1318.94 0.00 0.00 0.00 0.00 00:50:08 docker0 88.40 81.18 1309.01 10.12 0.00 0.00 0.00 0.00 00:50:08 veth372eea3 88.40 81.19 1310.22 10.12 0.00 0.00 0.00 0.11 Average: lo 107.20 107.20 104.36 104.36 0.00 0.00 0.00 0.00 Average: ens3 92.89 84.06 289.01 673.92 0.00 0.00 0.00 0.00 Average: docker0 44.69 41.04 661.79 5.11 0.00 0.00 0.00 0.00 Average: veth372eea3 44.69 41.05 662.40 5.11 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-34644) 07/11/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 32.96 0.00 1.35 0.04 0.07 65.58 00:40:01 0 32.17 0.00 1.29 0.07 0.07 66.41 00:40:01 1 40.30 0.00 1.53 0.02 0.08 58.08 00:40:01 2 31.43 0.00 1.26 0.01 0.07 67.23 00:40:01 3 36.39 0.00 1.53 0.01 0.07 62.00 00:40:01 4 35.28 0.00 1.37 0.01 0.07 63.27 00:40:01 5 28.76 0.00 1.35 0.11 0.07 69.71 00:40:01 6 29.44 0.00 1.26 0.08 0.07 69.15 00:40:01 7 29.87 0.00 1.25 0.01 0.06 68.80 00:50:08 all 13.61 0.00 1.14 0.15 0.05 85.05 00:50:08 0 11.40 0.00 1.01 0.13 0.05 87.40 00:50:08 1 15.11 0.00 1.68 0.17 0.06 82.98 00:50:08 2 17.15 0.00 1.71 0.25 0.05 80.84 00:50:08 3 10.66 0.00 0.85 0.18 0.04 88.26 00:50:08 4 16.45 0.00 1.36 0.07 0.05 82.07 00:50:08 5 14.53 0.00 0.94 0.33 0.05 84.15 00:50:08 6 10.97 0.00 0.62 0.02 0.05 88.34 00:50:08 7 12.58 0.00 0.93 0.06 0.05 86.39 Average: all 23.17 0.00 1.24 0.10 0.06 75.43 Average: 0 21.66 0.00 1.15 0.10 0.06 77.03 Average: 1 27.56 0.00 1.60 0.09 0.07 70.67 Average: 2 24.21 0.00 1.48 0.13 0.06 74.12 Average: 3 23.38 0.00 1.19 0.10 0.06 75.27 Average: 4 25.76 0.00 1.37 0.04 0.06 72.77 Average: 5 21.57 0.00 1.14 0.22 0.06 77.01 Average: 6 20.10 0.00 0.93 0.05 0.06 78.86 Average: 7 21.12 0.00 1.09 0.04 0.06 77.70