---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17485 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 11G 67G 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 628 10236 4 5124 15018 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:37:f7:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84807sec preferred_lft 84807sec inet6 fe80::f816:3eff:fe37:f739/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:8b:b2:10:d4:41 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-17485) 02/19/26 _x86_64_ (4 CPU) 10:26:59 LINUX RESTART (4 CPU) 10:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:13 26.57 2.11 10.75 13.70 710.10 2947.20 268022.19 10:50:01 8.84 0.54 7.79 0.50 19.77 1600.64 947.14 Average: 17.87 1.34 9.30 7.23 371.52 2286.76 137030.40 10:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:13 8498552 11812520 4148472 25.34 118332 3355668 4323464 24.82 689756 6826548 92 10:50:01 8283356 12125508 3831688 23.40 137516 3832876 4085008 23.45 828440 6862404 115264 Average: 8390954 11969014 3990080 24.37 127924 3594272 4204236 24.13 759098 6844476 57678 10:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:13 lo 0.71 0.71 0.38 0.38 0.00 0.00 0.00 0.00 10:40:13 ens3 44.08 33.67 455.00 4.33 0.00 0.00 0.00 0.00 10:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 207.34 207.34 196.99 196.99 0.00 0.00 0.00 0.00 10:50:01 ens3 37.85 25.33 417.09 3.35 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 102.05 102.05 96.81 96.81 0.00 0.00 0.00 0.00 Average: ens3 41.02 29.58 436.41 3.85 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-17485) 02/19/26 _x86_64_ (4 CPU) 10:26:59 LINUX RESTART (4 CPU) 10:30:01 CPU %user %nice %system %iowait %steal %idle 10:40:13 all 50.60 0.00 1.02 0.16 0.09 48.13 10:40:13 0 52.21 0.00 0.98 0.16 0.09 46.57 10:40:13 1 55.42 0.00 1.17 0.09 0.09 43.23 10:40:13 2 48.24 0.00 0.91 0.21 0.09 50.56 10:40:13 3 46.53 0.00 1.02 0.20 0.09 52.16 10:50:01 all 47.96 0.00 0.88 0.04 0.09 51.04 10:50:01 0 62.22 0.00 0.89 0.03 0.09 36.77 10:50:01 1 34.30 0.00 0.80 0.05 0.08 64.76 10:50:01 2 59.02 0.00 0.94 0.03 0.09 39.92 10:50:01 3 36.30 0.00 0.89 0.04 0.08 62.69 Average: all 49.30 0.00 0.95 0.10 0.09 49.56 Average: 0 57.12 0.00 0.93 0.09 0.09 41.76 Average: 1 45.07 0.00 0.99 0.07 0.09 53.79 Average: 2 53.53 0.00 0.92 0.12 0.09 45.34 Average: 3 41.51 0.00 0.95 0.12 0.08 57.33