---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20923 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 621 8872 4 6495 15025 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:9d:fe:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84040sec preferred_lft 84040sec inet6 fe80::f816:3eff:fe9d:fea7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:cb:2d:b5:df:af 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-20923) 02/26/26 _x86_64_ (4 CPU) 08:48:41 LINUX RESTART (4 CPU) 08:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:23 27.53 3.81 21.78 1.93 194.13 4416.40 4845.34 09:10:01 24.80 0.02 21.88 2.90 0.77 2108.92 22901.94 09:20:23 25.00 0.02 22.64 2.34 0.46 4077.76 17153.68 Average: 25.78 1.29 22.11 2.38 65.51 3560.63 14867.21 08:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:23 10025020 13303468 2657340 16.23 124908 3298980 2917824 16.75 607520 5383448 14872 09:10:01 9529188 13294048 2662336 16.26 147076 3724740 2933084 16.84 738272 5705700 121180 09:20:23 6101276 10789188 5163060 31.53 161100 4594044 5186728 29.77 1021616 8786716 29852 Average: 8551828 12462235 3494245 21.34 144361 3872588 3679212 21.12 789136 6625288 55301 08:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:23 lo 658.43 658.43 625.92 625.92 0.00 0.00 0.00 0.00 09:00:23 ens3 117.78 88.16 1099.28 17.13 0.00 0.00 0.00 0.00 09:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1492.78 1492.78 1415.83 1415.83 0.00 0.00 0.00 0.00 09:10:01 ens3 33.88 28.20 14.83 10.26 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:23 lo 941.93 941.93 3072.47 3072.47 0.00 0.00 0.00 0.00 09:20:23 ens3 31.91 26.52 27.30 10.21 0.00 0.00 0.00 0.00 09:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1023.31 1023.31 1721.28 1721.28 0.00 0.00 0.00 0.00 Average: ens3 61.34 47.73 382.82 12.55 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-20923) 02/26/26 _x86_64_ (4 CPU) 08:48:41 LINUX RESTART (4 CPU) 08:50:17 CPU %user %nice %system %iowait %steal %idle 09:00:23 all 35.98 0.00 1.57 0.60 0.09 61.76 09:00:23 0 35.79 0.00 1.66 0.15 0.08 62.32 09:00:23 1 34.50 0.00 1.61 0.56 0.09 63.24 09:00:23 2 35.34 0.00 1.46 1.30 0.09 61.80 09:00:23 3 38.29 0.00 1.54 0.40 0.08 59.69 09:10:01 all 66.70 0.00 2.43 0.25 0.12 30.49 09:10:01 0 65.86 0.00 2.05 0.39 0.11 31.58 09:10:01 1 68.40 0.00 2.32 0.17 0.12 28.98 09:10:01 2 66.15 0.00 2.51 0.17 0.13 31.05 09:10:01 3 66.39 0.00 2.85 0.27 0.12 30.37 09:20:23 all 54.00 0.00 2.05 0.17 0.11 43.66 09:20:23 0 52.56 0.00 2.16 0.21 0.11 44.96 09:20:23 1 54.94 0.00 1.86 0.05 0.11 43.04 09:20:23 2 54.82 0.00 2.09 0.25 0.11 42.72 09:20:23 3 53.70 0.00 2.10 0.16 0.11 43.93 Average: all 52.02 0.00 2.01 0.34 0.11 45.52 Average: 0 51.19 0.00 1.96 0.25 0.10 46.50 Average: 1 52.39 0.00 1.93 0.26 0.11 45.32 Average: 2 51.91 0.00 2.02 0.58 0.11 45.38 Average: 3 52.59 0.00 2.15 0.27 0.11 44.87