---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8197 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 68G 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 694 10440 4 4854 14952 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:2b:58:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84047sec preferred_lft 84047sec inet6 fe80::f816:3eff:fe2b:58a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:57:1d:0d:06:64 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-8197) 02/06/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:00 8.26 1.87 6.06 0.33 124.00 1445.00 737.57 09:40:00 11.20 0.52 9.55 1.13 17.61 2473.45 3123.28 Average: 9.73 1.20 7.80 0.73 70.81 1959.23 1930.43 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:00 11372036 14372636 1590616 9.71 115296 3048868 1988868 11.42 614916 4053396 35376 09:40:00 9815884 13538628 2418372 14.77 149532 3668220 2636412 15.13 798384 5332988 28668 Average: 10593960 13955632 2004494 12.24 132414 3358544 2312640 13.27 706650 4693192 32022 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:00 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 09:30:00 ens3 53.20 41.14 449.12 8.46 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:40:00 ens3 69.04 55.00 145.18 17.45 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 61.12 48.07 297.15 12.95 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-8197) 02/06/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:00 all 23.23 0.00 0.73 0.04 0.04 75.95 09:30:00 0 23.31 0.00 0.63 0.05 0.04 75.97 09:30:00 1 22.40 0.00 0.73 0.06 0.05 76.77 09:30:00 2 23.54 0.00 0.73 0.03 0.05 75.65 09:30:00 3 23.69 0.00 0.83 0.02 0.04 75.42 09:40:00 all 72.59 0.00 2.24 0.06 0.10 25.01 09:40:00 0 71.76 0.00 2.26 0.04 0.10 25.85 09:40:00 1 73.98 0.00 2.40 0.04 0.10 23.48 09:40:00 2 72.06 0.00 2.30 0.08 0.10 25.46 09:40:00 3 72.56 0.00 2.00 0.09 0.10 25.25 Average: all 47.88 0.00 1.48 0.05 0.07 50.51 Average: 0 47.51 0.00 1.44 0.04 0.07 50.94 Average: 1 48.17 0.00 1.57 0.05 0.07 50.14 Average: 2 47.75 0.00 1.51 0.06 0.07 50.61 Average: 3 48.11 0.00 1.41 0.06 0.07 50.35