---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8185 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 661 8670 4 6657 14985 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:0f:52:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84552sec preferred_lft 84552sec inet6 fe80::f816:3eff:fe0f:529f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:01:7f:e7:f6:0f 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-8185) 02/06/26 _x86_64_ (4 CPU) 08:22:48 LINUX RESTART (4 CPU) 08:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:05 24.58 0.02 21.85 2.70 0.33 2037.23 16682.48 08:50:05 23.26 0.02 20.97 2.27 0.45 4217.50 13991.87 Average: 23.92 0.02 21.41 2.49 0.39 3126.01 15338.85 08:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:05 8904528 12784812 3171152 19.37 145804 3849860 3198624 18.36 892960 6166416 12240 08:50:05 5217908 10125036 5826756 35.59 158528 4820544 5602640 32.16 1181352 9518512 324 Average: 7061218 11454924 4498954 27.48 152166 4335202 4400632 25.26 1037156 7842464 6282 08:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:05 lo 1464.21 1464.21 1389.41 1389.41 0.00 0.00 0.00 0.00 08:40:05 ens3 22.03 19.31 10.37 6.35 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 986.02 986.02 3193.17 3193.17 0.00 0.00 0.00 0.00 08:50:05 ens3 24.63 20.16 36.07 6.56 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1225.41 1225.41 2290.17 2290.17 0.00 0.00 0.00 0.00 Average: ens3 23.33 19.73 23.21 6.46 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-8185) 02/06/26 _x86_64_ (4 CPU) 08:22:48 LINUX RESTART (4 CPU) 08:30:04 CPU %user %nice %system %iowait %steal %idle 08:40:05 all 65.98 0.00 2.40 1.25 0.09 30.28 08:40:05 0 65.56 0.00 2.01 0.82 0.10 31.51 08:40:05 1 67.23 0.00 2.56 2.34 0.10 27.78 08:40:05 2 65.38 0.00 2.51 1.29 0.09 30.73 08:40:05 3 65.76 0.00 2.51 0.54 0.10 31.09 08:50:05 all 53.45 0.00 1.94 0.26 0.09 44.26 08:50:05 0 54.36 0.00 1.87 0.15 0.09 43.54 08:50:05 1 52.49 0.00 1.67 0.25 0.09 45.50 08:50:05 2 52.96 0.00 2.25 0.23 0.09 44.48 08:50:05 3 54.01 0.00 1.99 0.41 0.09 43.51 Average: all 59.72 0.00 2.17 0.75 0.09 37.26 Average: 0 59.96 0.00 1.94 0.49 0.09 37.52 Average: 1 59.87 0.00 2.12 1.30 0.09 36.63 Average: 2 59.17 0.00 2.38 0.76 0.09 37.60 Average: 3 59.89 0.00 2.25 0.47 0.09 37.29