---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-22043 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 18G 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 742 19250 4 12099 30882 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:4a:9a:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:fe4a:9ad8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:c1:08:b6:4d:81 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::7cc1:8ff:feb6:4d81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-22043) 06/01/26 _x86_64_ (8 CPU) 00:36:11 LINUX RESTART (8 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 28.13 0.45 11.82 15.86 219.16 5097.05 517957.99 01:00:16 60.88 2.07 57.66 1.14 309.85 23147.42 4767.45 Average: 44.87 1.28 35.25 8.34 265.51 14321.06 255710.04 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24166400 28624740 3682792 11.21 146932 4523692 3829252 11.29 890848 7347416 116 01:00:16 19939092 31637632 636304 1.94 230212 11389032 1428108 4.21 3097444 9007984 468 Average: 22052746 30131186 2159548 6.57 188572 7956362 2628680 7.75 1994146 8177700 292 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.84 5.84 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 58.12 40.64 145.77 11.90 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 01:00:16 lo 4414.25 4414.25 4217.29 4217.29 0.00 0.00 0.00 0.00 01:00:16 ens3 70.22 57.19 596.40 108.22 0.00 0.00 0.00 0.00 01:00:16 docker0 13.70 14.31 96.13 149.18 0.00 0.00 0.00 0.00 01:00:16 veth02e50f9 7.99 7.04 95.89 1.12 0.00 0.00 0.00 0.01 Average: lo 2258.60 2258.60 2155.37 2155.37 0.00 0.00 0.00 0.00 Average: ens3 64.30 49.09 376.05 61.12 0.00 0.00 0.00 0.00 Average: docker0 7.00 7.31 49.12 76.23 0.00 0.00 0.00 0.00 Average: veth02e50f9 4.08 3.60 49.00 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-22043) 06/01/26 _x86_64_ (8 CPU) 00:36:11 LINUX RESTART (8 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 38.01 0.00 1.31 0.05 0.07 60.55 00:50:01 0 33.88 0.00 1.40 0.03 0.08 64.62 00:50:01 1 33.94 0.00 1.17 0.02 0.07 64.80 00:50:01 2 43.48 0.00 1.62 0.03 0.08 54.79 00:50:01 3 42.25 0.00 1.29 0.08 0.08 56.31 00:50:01 4 36.65 0.00 1.27 0.03 0.08 61.98 00:50:01 5 38.96 0.00 1.33 0.07 0.07 59.57 00:50:01 6 39.20 0.00 1.24 0.03 0.08 59.45 00:50:01 7 35.75 0.00 1.17 0.14 0.07 62.86 01:00:16 all 19.33 0.00 2.23 0.25 0.05 78.15 01:00:16 0 27.91 0.00 4.20 0.08 0.06 67.76 01:00:16 1 17.33 0.00 1.41 0.75 0.05 80.46 01:00:16 2 18.45 0.00 1.54 0.14 0.04 79.83 01:00:16 3 28.53 0.00 5.04 0.23 0.05 66.15 01:00:16 4 14.34 0.00 1.08 0.26 0.05 84.26 01:00:16 5 16.05 0.00 1.38 0.21 0.05 82.31 01:00:16 6 19.67 0.00 1.99 0.24 0.05 78.05 01:00:16 7 12.43 0.00 1.19 0.06 0.04 86.28 Average: all 28.48 0.00 1.78 0.15 0.06 69.53 Average: 0 30.84 0.00 2.82 0.05 0.07 66.22 Average: 1 25.47 0.00 1.30 0.39 0.06 72.78 Average: 2 30.70 0.00 1.58 0.09 0.06 67.58 Average: 3 35.26 0.00 3.20 0.15 0.06 61.32 Average: 4 25.26 0.00 1.17 0.15 0.06 73.35 Average: 5 27.26 0.00 1.36 0.14 0.06 71.18 Average: 6 29.23 0.00 1.63 0.14 0.06 68.94 Average: 7 23.84 0.00 1.18 0.10 0.06 74.83