---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7844 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 656 8837 4 6495 14990 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:86:86:35 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 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fe86:8635/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ab:1d:e6:81:53 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-7844) 02/05/26 _x86_64_ (4 CPU) 05:21:29 LINUX RESTART (4 CPU) 05:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:13 24.30 0.34 21.08 2.88 16.67 2290.52 4981.70 05:50:01 33.81 0.03 30.35 3.43 0.59 4765.66 9542.46 06:00:13 13.28 0.17 11.27 1.84 12.14 6050.13 2060.07 Average: 23.66 0.18 20.77 2.70 9.91 4365.77 5475.44 05:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:13 8377312 12007716 3950504 24.13 139096 3614496 4012904 23.03 821488 6791984 12748 05:50:01 7493188 12206136 3746800 22.88 158648 4628196 3701752 21.25 1120092 7303364 6816 06:00:13 9068468 15363228 584468 3.57 176956 6140204 1095036 6.29 1731584 5072824 12448 Average: 8312989 13192360 2760591 16.86 158233 4794299 2936564 16.86 1224388 6389391 10671 05:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:13 lo 1298.43 1298.43 1230.41 1230.41 0.00 0.00 0.00 0.00 05:40:13 ens3 51.69 41.47 69.13 13.71 0.00 0.00 0.00 0.00 05:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1387.82 1387.82 1317.10 1317.10 0.00 0.00 0.00 0.00 05:50:01 ens3 56.97 42.40 45.15 13.84 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:13 lo 234.09 234.09 6703.62 6703.62 0.00 0.00 0.00 0.00 06:00:13 ens3 87.95 95.18 114.71 1029.30 0.00 0.00 0.00 0.00 06:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.60 967.60 3109.15 3109.15 0.00 0.00 0.00 0.00 Average: ens3 65.66 59.93 76.75 357.14 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-7844) 02/05/26 _x86_64_ (4 CPU) 05:21:29 LINUX RESTART (4 CPU) 05:30:03 CPU %user %nice %system %iowait %steal %idle 05:40:13 all 67.34 0.00 2.29 0.06 0.09 30.22 05:40:13 0 66.70 0.00 2.21 0.03 0.09 30.98 05:40:13 1 69.29 0.00 2.50 0.05 0.09 28.06 05:40:13 2 68.40 0.00 2.30 0.06 0.09 29.15 05:40:13 3 64.98 0.00 2.13 0.09 0.09 32.70 05:50:01 all 61.12 0.00 2.50 0.12 0.09 36.17 05:50:01 0 62.14 0.00 2.38 0.17 0.09 35.22 05:50:01 1 59.69 0.00 2.66 0.04 0.09 37.51 05:50:01 2 60.62 0.00 2.45 0.17 0.09 36.67 05:50:01 3 62.04 0.00 2.49 0.09 0.09 35.29 06:00:13 all 26.38 0.00 0.89 0.22 0.06 72.45 06:00:13 0 24.51 0.00 0.93 0.22 0.06 74.27 06:00:13 1 28.89 0.00 0.90 0.02 0.06 70.13 06:00:13 2 26.43 0.00 0.71 0.44 0.06 72.35 06:00:13 3 25.67 0.00 1.02 0.19 0.06 73.06 Average: all 51.45 0.00 1.88 0.13 0.08 46.46 Average: 0 50.93 0.00 1.83 0.14 0.08 47.01 Average: 1 52.49 0.00 2.01 0.03 0.08 45.38 Average: 2 51.65 0.00 1.81 0.23 0.08 46.23 Average: 3 50.71 0.00 1.87 0.12 0.08 47.21