---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34358 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 11G 68G 14% / 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 676 10717 4 4595 14970 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:5a:26:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fe5a:267c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:cc:47:90:2a:ce 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-34358) 07/09/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:09 58.61 2.69 35.93 19.99 166.54 4860.92 255695.77 22:20:16 36.07 0.16 29.59 6.33 9.83 3531.58 4435.72 Average: 47.36 1.43 32.77 13.17 88.32 4197.34 130272.65 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:09 10375652 13948528 2009016 12.27 159456 3527344 2204492 12.65 589184 5004048 23560 22:20:16 11035532 15378044 574208 3.51 203976 4188856 1101892 6.32 811100 4048884 4 Average: 10705592 14663286 1291612 7.89 181716 3858100 1653192 9.49 700142 4526466 11782 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:09 lo 3725.54 3725.54 3553.01 3553.01 0.00 0.00 0.00 0.00 22:10:09 ens3 232.59 160.12 993.45 31.99 0.00 0.00 0.00 0.00 22:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:16 lo 2705.96 2705.96 2569.50 2569.50 0.00 0.00 0.00 0.00 22:20:16 ens3 112.28 97.84 116.34 127.57 0.00 0.00 0.00 0.00 22:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3216.59 3216.59 3062.06 3062.06 0.00 0.00 0.00 0.00 Average: ens3 172.53 129.03 555.62 79.70 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-34358) 07/09/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:09 all 57.17 0.00 3.62 7.73 0.12 31.35 22:10:09 0 57.38 0.00 3.31 6.40 0.12 32.79 22:10:09 1 58.36 0.00 3.71 8.54 0.12 29.27 22:10:09 2 56.04 0.00 3.88 5.87 0.12 34.10 22:10:09 3 56.92 0.00 3.60 10.12 0.12 29.24 22:20:16 all 45.40 0.00 2.72 0.16 0.10 51.62 22:20:16 0 44.97 0.00 2.37 0.16 0.10 52.41 22:20:16 1 48.23 0.00 2.92 0.07 0.10 48.67 22:20:16 2 41.53 0.00 2.56 0.11 0.10 55.71 22:20:16 3 46.88 0.00 3.03 0.32 0.10 49.68 Average: all 51.29 0.00 3.17 3.95 0.11 41.48 Average: 0 51.18 0.00 2.84 3.28 0.11 42.60 Average: 1 53.30 0.00 3.31 4.31 0.11 38.97 Average: 2 48.78 0.00 3.22 2.98 0.11 44.91 Average: 3 51.90 0.00 3.31 5.23 0.11 39.44