---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8457 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 675 8948 4 6365 14971 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:44:b6:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84239sec preferred_lft 84239sec inet6 fe80::f816:3eff:fe44:b659/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:5d:33:65:83:6b 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-8457) 02/07/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 21.72 3.68 16.96 1.08 385.73 3152.04 14311.70 11:00:09 26.27 0.46 22.74 3.06 22.97 3007.13 23593.76 11:10:10 37.02 0.03 33.50 3.49 0.45 7839.51 44678.53 Average: 28.36 1.38 24.43 2.55 134.76 4665.33 27568.39 10:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10862208 14051388 1911008 11.67 116560 3239820 2367456 13.59 533012 4632572 426744 11:00:09 9609804 13091708 2866296 17.51 138776 3473104 3222184 18.50 746212 5641648 21352 11:10:10 6760804 12899432 3048888 18.62 168916 6001308 3217572 18.47 1629356 7498588 593912 Average: 9077605 13347509 2608731 15.93 141417 4238077 2935737 16.85 969527 5924269 347336 10:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 122.52 122.52 116.55 116.55 0.00 0.00 0.00 0.00 10:50:01 ens3 85.50 67.38 1068.03 9.94 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:09 lo 1519.87 1519.87 1441.00 1441.00 0.00 0.00 0.00 0.00 11:00:09 ens3 53.47 42.31 55.87 13.80 0.00 0.00 0.00 0.00 11:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:10 lo 1364.43 1364.43 1299.24 1299.24 0.00 0.00 0.00 0.00 11:10:10 ens3 71.61 52.29 157.48 16.67 0.00 0.00 0.00 0.00 11:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1008.53 1008.53 958.19 958.19 0.00 0.00 0.00 0.00 Average: ens3 70.05 53.88 422.60 13.49 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-8457) 02/07/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:08 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 8.51 0.00 0.58 0.25 0.03 90.63 10:50:01 0 10.24 0.00 0.65 0.32 0.03 88.76 10:50:01 1 7.54 0.00 0.50 0.35 0.03 91.58 10:50:01 2 8.57 0.00 0.67 0.20 0.04 90.52 10:50:01 3 7.70 0.00 0.49 0.12 0.03 91.66 11:00:09 all 65.24 0.00 2.52 0.07 0.09 32.08 11:00:09 0 64.35 0.00 2.67 0.07 0.09 32.82 11:00:09 1 65.93 0.00 2.48 0.06 0.09 31.44 11:00:09 2 65.27 0.00 2.49 0.06 0.09 32.08 11:00:09 3 65.40 0.00 2.46 0.07 0.10 31.97 11:10:10 all 60.56 0.00 2.58 0.73 0.09 36.04 11:10:10 0 56.88 0.00 2.51 0.29 0.09 40.23 11:10:10 1 59.61 0.00 2.36 2.41 0.09 35.53 11:10:10 2 67.57 0.00 2.57 0.16 0.09 29.61 11:10:10 3 58.16 0.00 2.89 0.06 0.09 38.80 Average: all 44.98 0.00 1.90 0.35 0.07 52.70 Average: 0 44.02 0.00 1.95 0.23 0.07 53.73 Average: 1 44.59 0.00 1.79 0.94 0.07 52.62 Average: 2 47.36 0.00 1.92 0.14 0.08 50.51 Average: 3 43.97 0.00 1.95 0.08 0.07 53.92