---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20080 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: 5600.00 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 13G 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 655 8533 4 6800 14991 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:01:e1:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84251sec preferred_lft 84251sec inet6 fe80::f816:3eff:fe01:e159/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:32:e0:d4:66:b5 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-20080) 02/23/26 _x86_64_ (4 CPU) 05:23:59 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:04 26.58 0.40 23.07 3.12 19.20 3114.48 9499.98 05:50:46 31.19 0.02 28.04 3.13 0.50 4480.58 11819.85 Average: 28.96 0.20 25.63 3.12 9.55 3819.51 10697.25 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:04 9177844 13106468 2849200 17.40 146352 3895176 2989696 17.16 891624 5901328 28548 05:50:46 7268256 12290732 3659664 22.35 165428 4919716 3679456 21.12 1195240 7449616 6300 Average: 8223050 12698600 3254432 19.88 155890 4407446 3334576 19.14 1043432 6675472 17424 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:04 lo 1346.31 1346.31 1276.23 1276.23 0.00 0.00 0.00 0.00 05:40:04 ens3 60.58 47.75 74.06 15.25 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:46 lo 1230.39 1230.39 1168.45 1168.45 0.00 0.00 0.00 0.00 05:50:46 ens3 42.48 32.85 41.21 11.84 0.00 0.00 0.00 0.00 05:50:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1286.49 1286.49 1220.61 1220.61 0.00 0.00 0.00 0.00 Average: ens3 51.23 40.06 57.11 13.49 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-20080) 02/23/26 _x86_64_ (4 CPU) 05:23:59 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:04 all 68.34 0.00 2.47 0.08 0.10 29.00 05:40:04 0 67.48 0.00 1.99 0.08 0.10 30.35 05:40:04 1 69.18 0.00 2.62 0.05 0.10 28.05 05:40:04 2 68.55 0.00 2.68 0.15 0.10 28.52 05:40:04 3 68.16 0.00 2.60 0.05 0.10 29.09 05:50:46 all 57.87 0.00 2.34 0.18 0.09 39.53 05:50:46 0 59.08 0.00 2.59 0.12 0.09 38.11 05:50:46 1 56.41 0.00 2.43 0.30 0.09 40.77 05:50:46 2 57.93 0.00 2.23 0.15 0.09 39.60 05:50:46 3 58.05 0.00 2.09 0.15 0.09 39.63 Average: all 62.94 0.00 2.40 0.13 0.10 34.43 Average: 0 63.15 0.00 2.30 0.10 0.10 34.35 Average: 1 62.58 0.00 2.52 0.18 0.09 34.62 Average: 2 63.07 0.00 2.45 0.15 0.10 34.24 Average: 3 62.94 0.00 2.34 0.10 0.09 34.52