---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8885 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 15% / 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 713 9805 4 5470 14933 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:6a:ec:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84613sec preferred_lft 84613sec inet6 fe80::f816:3eff:fe6a:eca5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:34:aa:ed:71:35 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-8885) 02/09/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 28.83 2.02 24.41 2.39 290.03 4759.99 4958.48 06:50:04 32.15 0.06 28.63 3.45 1.47 5863.00 11545.18 Average: 30.49 1.04 26.53 2.92 145.48 5312.54 8258.07 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 8918072 12719416 3236736 19.77 154800 3736132 3337952 19.16 800084 6232400 184240 06:50:04 7973804 12962828 2987448 18.25 185304 4829468 3371984 19.36 1060816 6850164 32964 Average: 8445938 12841122 3112092 19.01 170052 4282800 3354968 19.26 930450 6541282 108602 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 995.65 995.65 948.10 948.10 0.00 0.00 0.00 0.00 06:40:01 ens3 63.53 51.12 384.48 15.65 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 1118.20 1118.20 1064.69 1064.69 0.00 0.00 0.00 0.00 06:50:04 ens3 56.05 41.69 217.12 13.26 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1057.04 1057.04 1006.50 1006.50 0.00 0.00 0.00 0.00 Average: ens3 59.78 46.40 300.64 14.45 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-8885) 02/09/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 66.42 0.00 2.34 0.12 0.11 31.00 06:40:01 0 64.88 0.00 2.18 0.12 0.11 32.71 06:40:01 1 68.03 0.00 2.18 0.13 0.12 29.54 06:40:01 2 66.01 0.00 2.71 0.11 0.10 31.06 06:40:01 3 66.75 0.00 2.30 0.13 0.11 30.71 06:50:04 all 58.76 0.00 2.37 0.13 0.11 38.64 06:50:04 0 58.69 0.00 2.28 0.10 0.11 38.83 06:50:04 1 61.91 0.00 2.57 0.17 0.10 35.24 06:50:04 2 58.28 0.00 2.36 0.08 0.10 39.18 06:50:04 3 56.16 0.00 2.25 0.17 0.11 41.31 Average: all 62.58 0.00 2.36 0.12 0.11 34.83 Average: 0 61.78 0.00 2.23 0.11 0.11 35.77 Average: 1 64.97 0.00 2.38 0.15 0.11 32.40 Average: 2 62.14 0.00 2.53 0.09 0.10 35.13 Average: 3 61.44 0.00 2.28 0.15 0.11 36.03