---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19919 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): 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 16% / 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 652 8873 4 6463 14994 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:b9:36:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:feb9:3649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:17:1f:4a:ab:fe 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19919) 02/22/26 _x86_64_ (4 CPU) 10:38:39 LINUX RESTART (4 CPU) 10:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:17 31.45 3.68 25.32 2.46 386.77 4755.41 5193.15 11:00:18 28.85 0.02 25.80 3.03 0.35 2253.71 23270.19 Average: 30.15 1.85 25.56 2.74 193.63 3505.06 14228.06 10:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:17 10098516 13514112 2445416 14.94 134440 3418312 2963624 17.01 693988 5207616 30508 11:00:18 8465400 12519376 3436116 20.99 152636 3995424 3555804 20.41 849672 6636412 259956 Average: 9281958 13016744 2940766 17.96 143538 3706868 3259714 18.71 771830 5922014 145232 10:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:17 lo 1204.17 1204.17 1140.79 1140.79 0.00 0.00 0.00 0.00 10:50:17 ens3 120.55 94.35 1050.10 19.41 0.00 0.00 0.00 0.00 10:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:18 lo 1226.99 1226.99 1167.77 1167.77 0.00 0.00 0.00 0.00 11:00:18 ens3 48.72 37.27 26.79 12.31 0.00 0.00 0.00 0.00 11:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1215.58 1215.58 1154.27 1154.27 0.00 0.00 0.00 0.00 Average: ens3 84.65 65.82 538.65 15.86 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19919) 02/22/26 _x86_64_ (4 CPU) 10:38:39 LINUX RESTART (4 CPU) 10:40:15 CPU %user %nice %system %iowait %steal %idle 10:50:17 all 47.19 0.00 2.11 0.11 0.07 50.52 10:50:17 0 46.93 0.00 2.14 0.11 0.07 50.75 10:50:17 1 45.63 0.00 2.31 0.14 0.07 51.86 10:50:17 2 48.57 0.00 2.09 0.09 0.07 49.18 10:50:17 3 47.64 0.00 1.92 0.08 0.07 50.29 11:00:18 all 65.37 0.00 2.39 0.07 0.08 32.08 11:00:18 0 63.35 0.00 1.86 0.06 0.08 34.66 11:00:18 1 66.02 0.00 2.56 0.11 0.08 31.22 11:00:18 2 67.13 0.00 2.30 0.06 0.09 30.42 11:00:18 3 64.99 0.00 2.84 0.06 0.08 32.03 Average: all 56.27 0.00 2.25 0.09 0.08 41.31 Average: 0 55.13 0.00 2.00 0.08 0.08 42.72 Average: 1 55.82 0.00 2.43 0.13 0.08 41.55 Average: 2 57.84 0.00 2.19 0.07 0.08 39.81 Average: 3 56.30 0.00 2.38 0.07 0.08 41.18