---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10760 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 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 663 8554 4 6771 14983 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:be:27:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84439sec preferred_lft 84439sec inet6 fe80::f816:3eff:febe:27e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:37:a4:be:cd:40 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-10760) 02/15/26 _x86_64_ (4 CPU) 08:27:50 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 38.90 3.45 31.95 3.49 770.16 5515.87 19568.56 08:50:01 32.25 0.01 28.94 3.30 0.13 2498.00 30275.05 09:00:01 16.05 0.18 14.03 1.85 12.33 8429.74 4278.33 Average: 29.07 1.21 24.97 2.88 260.88 5481.24 18040.50 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 9242060 13030976 2926588 17.87 140216 3769304 2988388 17.15 883504 5863052 24108 08:50:01 8185808 12501936 3451916 21.08 162748 4237020 3529856 20.26 1009604 6748536 125828 09:00:01 8767848 15345272 600056 3.66 177924 6411220 1116676 6.41 1819212 5260412 12296 Average: 8731905 13626061 2326187 14.21 160296 4805848 2544973 14.61 1237440 5957333 54077 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 1546.15 1546.15 1467.00 1467.00 0.00 0.00 0.00 0.00 08:40:01 ens3 125.24 93.89 1076.42 19.96 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 1528.19 1528.19 1455.36 1455.36 0.00 0.00 0.00 0.00 08:50:01 ens3 40.40 32.53 26.27 11.40 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 254.48 254.48 6839.96 6839.96 0.00 0.00 0.00 0.00 09:00:01 ens3 97.63 104.99 124.17 1072.22 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1109.60 1109.60 3254.14 3254.14 0.00 0.00 0.00 0.00 Average: ens3 87.76 77.14 408.95 367.87 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-10760) 02/15/26 _x86_64_ (4 CPU) 08:27:50 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 70.81 0.00 2.70 0.16 0.11 26.22 08:40:01 0 71.44 0.00 2.75 0.18 0.11 25.52 08:40:01 1 69.82 0.00 2.69 0.09 0.11 27.29 08:40:01 2 70.54 0.00 2.72 0.16 0.11 26.47 08:40:01 3 71.43 0.00 2.65 0.21 0.11 25.60 08:50:01 all 62.59 0.00 2.47 0.10 0.10 34.74 08:50:01 0 61.98 0.00 2.40 0.12 0.10 35.40 08:50:01 1 62.40 0.00 2.16 0.08 0.10 35.26 08:50:01 2 63.13 0.00 2.94 0.07 0.10 33.76 08:50:01 3 62.84 0.00 2.38 0.14 0.10 34.53 09:00:01 all 35.74 0.00 1.20 0.29 0.08 62.69 09:00:01 0 41.85 0.00 1.14 0.52 0.08 56.41 09:00:01 1 30.05 0.00 1.52 0.53 0.08 67.82 09:00:01 2 36.72 0.00 1.16 0.04 0.08 62.00 09:00:01 3 34.33 0.00 0.99 0.08 0.07 64.52 Average: all 56.36 0.00 2.13 0.19 0.10 41.23 Average: 0 58.40 0.00 2.10 0.27 0.10 39.13 Average: 1 54.04 0.00 2.12 0.23 0.10 43.50 Average: 2 56.80 0.00 2.28 0.09 0.10 40.74 Average: 3 56.20 0.00 2.01 0.15 0.09 41.55