---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1839 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 750 9188 4 6050 14896 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:8b:3a:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83991sec preferred_lft 83991sec inet6 fe80::f816:3eff:fe8b:3ac6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:ee:e2:ae:3c:dc 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1839) 08/03/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 20.52 0.44 18.12 1.96 14.31 4553.55 8167.76 20:50:06 53.11 0.00 42.31 10.80 0.08 2543.24 14408.94 21:00:07 28.30 0.14 23.46 4.70 9.80 4639.07 4990.41 Average: 33.99 0.20 27.97 5.82 8.06 3911.16 9192.20 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 8917672 13390308 2560476 15.64 189552 4324668 2813660 16.15 775196 6200272 96340 20:50:06 8344416 13146948 2800668 17.11 215172 4597112 2969264 17.04 866300 6647652 111288 21:00:07 9553444 15382164 561204 3.43 245788 5537900 1113528 6.39 1228876 5011020 68 Average: 8938511 13973140 1974116 12.06 216837 4819893 2298817 13.20 956791 5952981 69232 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 798.20 798.20 760.39 760.39 0.00 0.00 0.00 0.00 20:40:05 ens3 77.64 59.19 320.97 17.86 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5597.22 5597.22 5336.67 5336.67 0.00 0.00 0.00 0.00 20:50:06 ens3 77.88 56.19 25.54 18.92 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 2092.50 2092.50 1983.99 1983.99 0.00 0.00 0.00 0.00 21:00:07 ens3 96.83 87.15 114.51 130.02 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2830.83 2830.83 2695.14 2695.14 0.00 0.00 0.00 0.00 Average: ens3 84.11 67.50 153.61 55.57 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1839) 08/03/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 68.03 0.00 2.78 0.05 0.08 29.06 20:40:05 0 67.77 0.00 2.54 0.06 0.08 29.55 20:40:05 1 69.02 0.00 2.77 0.03 0.08 28.10 20:40:05 2 67.41 0.00 2.78 0.06 0.08 29.67 20:40:05 3 67.93 0.00 3.01 0.04 0.08 28.94 20:50:06 all 62.53 0.00 4.43 0.10 0.09 32.85 20:50:06 0 62.24 0.00 4.05 0.11 0.09 33.51 20:50:06 1 62.27 0.00 4.78 0.10 0.09 32.76 20:50:06 2 62.00 0.00 4.17 0.10 0.09 33.65 20:50:06 3 63.60 0.00 4.74 0.11 0.09 31.47 21:00:07 all 43.37 0.00 2.45 0.09 0.07 54.01 21:00:07 0 44.25 0.00 2.42 0.11 0.08 53.15 21:00:07 1 41.29 0.00 2.38 0.04 0.07 56.22 21:00:07 2 41.41 0.00 2.12 0.14 0.08 56.25 21:00:07 3 46.55 0.00 2.88 0.07 0.07 50.43 Average: all 57.97 0.00 3.22 0.08 0.08 38.64 Average: 0 58.08 0.00 3.00 0.09 0.08 38.74 Average: 1 57.52 0.00 3.31 0.05 0.08 39.03 Average: 2 56.93 0.00 3.02 0.10 0.08 39.86 Average: 3 59.36 0.00 3.54 0.07 0.08 36.95