---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9768 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: 5600.00 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 18G 60G 23% / 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 703 11526 4 3759 14943 Swap: 1023 1 1022 ---> 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:ad:1e:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79467sec preferred_lft 79467sec inet6 fe80::f816:3eff:fead:1e99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:50:c1:3d:d3:a3 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-16g-9768) 02/12/26 _x86_64_ (4 CPU) 12:52:46 LINUX RESTART (4 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:03 88.91 24.20 60.59 4.11 396.47 12766.33 14100.73 13:20:00 44.56 9.60 18.50 16.45 181.22 1091.71 213161.07 13:30:25 13.70 0.54 12.43 0.74 20.69 387.61 1441.31 13:40:04 11.80 0.07 11.17 0.55 3.94 613.01 1038.90 13:50:01 16.50 0.03 15.80 0.67 1.35 520.12 472.81 14:00:04 8.27 0.01 7.98 0.29 0.46 238.58 279.47 14:10:04 6.32 0.25 5.86 0.20 11.03 169.82 148.29 14:20:01 5.77 0.01 5.59 0.18 0.36 164.85 92.85 14:30:25 9.80 0.34 9.06 0.41 7.62 562.84 1810.31 14:40:21 7.57 0.10 7.16 0.31 3.05 286.30 129.15 Average: 21.31 3.51 15.42 2.38 62.59 1681.05 23081.89 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:03 901276 4459484 11470152 70.05 264168 3263420 13115740 75.28 2151928 12720856 186624 13:20:00 8773396 11316736 4620828 28.22 261664 2335464 5746908 32.99 2044576 5067144 4100 13:30:25 3295712 5869356 10066752 61.48 263648 2363768 10865952 62.37 2058592 10515224 228 13:40:04 8894112 11582260 4358236 26.62 267948 2473972 5156808 29.60 2109172 4887324 348 13:50:01 8646500 11410468 4529848 27.67 270120 2547620 5287444 30.35 2115024 5123448 420 14:00:04 8700132 11495804 4444456 27.14 271044 2578404 5215756 29.94 2117352 5072612 280 14:10:04 7202104 10023044 5916220 36.13 272136 2602588 6675004 38.31 2121048 6549204 412 14:20:01 7077224 9920480 6018804 36.76 272928 2624128 6730756 38.63 2124452 6658652 248 14:30:25 8352688 11319492 4620688 28.22 276836 2743464 5294260 30.39 2134344 5392308 52 14:40:21 7512832 10530504 5409392 33.04 277544 2793572 6067228 34.83 2152752 6213012 596 Average: 6935598 9792763 6145538 37.53 269804 2632640 7015586 40.27 2112924 6819978 19331 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:03 lo 14.97 14.97 12.88 12.88 0.00 0.00 0.00 0.00 13:10:03 ens3 38.78 29.92 640.95 3.24 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 34.79 34.79 16.98 16.98 0.00 0.00 0.00 0.00 13:20:00 ens3 1.58 1.72 0.31 0.28 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:25 lo 29.79 29.79 13.47 13.47 0.00 0.00 0.00 0.00 13:30:25 ens3 1.09 0.87 0.18 0.77 0.00 0.00 0.00 0.00 13:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 14.55 14.55 6.34 6.34 0.00 0.00 0.00 0.00 13:40:04 ens3 1.15 0.89 0.34 0.52 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 17.08 17.08 8.39 8.39 0.00 0.00 0.00 0.00 13:50:01 ens3 0.96 0.71 0.26 0.20 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:04 lo 17.12 17.12 8.72 8.72 0.00 0.00 0.00 0.00 14:00:04 ens3 0.85 0.60 0.20 0.15 0.00 0.00 0.00 0.00 14:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:04 lo 28.72 28.72 11.60 11.60 0.00 0.00 0.00 0.00 14:10:04 ens3 0.96 0.56 0.29 0.21 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 19.53 19.53 10.40 10.40 0.00 0.00 0.00 0.00 14:20:01 ens3 0.71 0.54 0.14 0.11 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:25 lo 17.56 17.56 10.07 10.07 0.00 0.00 0.00 0.00 14:30:25 ens3 0.98 0.83 0.29 0.23 0.00 0.00 0.00 0.00 14:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:21 lo 24.73 24.73 10.48 10.48 0.00 0.00 0.00 0.00 14:40:21 ens3 0.98 0.74 0.23 0.18 0.00 0.00 0.00 0.00 14:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.92 21.92 10.95 10.95 0.00 0.00 0.00 0.00 Average: ens3 4.81 3.74 64.40 0.59 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-16g-9768) 02/12/26 _x86_64_ (4 CPU) 12:52:46 LINUX RESTART (4 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:03 all 56.53 0.00 3.03 0.54 0.12 39.78 13:10:03 0 58.95 0.00 3.00 0.65 0.12 37.28 13:10:03 1 54.29 0.00 3.19 0.69 0.12 41.71 13:10:03 2 56.63 0.00 2.93 0.35 0.12 39.97 13:10:03 3 56.24 0.00 3.01 0.48 0.12 40.16 13:20:00 all 37.17 0.00 1.80 0.10 0.11 60.82 13:20:00 0 37.19 0.00 1.78 0.15 0.11 60.77 13:20:00 1 36.51 0.00 1.87 0.08 0.11 61.43 13:20:00 2 37.43 0.00 1.86 0.12 0.10 60.48 13:20:00 3 37.55 0.00 1.71 0.07 0.11 60.57 13:30:25 all 31.37 0.00 1.39 0.05 0.10 67.10 13:30:25 0 32.04 0.00 1.59 0.08 0.10 66.20 13:30:25 1 31.31 0.00 1.31 0.07 0.10 67.21 13:30:25 2 31.29 0.00 1.36 0.03 0.10 67.22 13:30:25 3 30.83 0.00 1.30 0.03 0.09 67.75 13:40:04 all 17.99 0.00 0.94 0.05 0.09 80.93 13:40:04 0 17.37 0.00 0.98 0.01 0.09 81.54 13:40:04 1 18.85 0.00 0.98 0.05 0.10 80.03 13:40:04 2 17.49 0.00 0.90 0.12 0.09 81.40 13:40:04 3 18.22 0.00 0.92 0.01 0.10 80.75 13:50:01 all 27.55 0.00 1.07 0.05 0.09 71.24 13:50:01 0 28.46 0.00 1.13 0.12 0.09 70.20 13:50:01 1 27.42 0.00 1.07 0.03 0.09 71.39 13:50:01 2 26.18 0.00 1.05 0.03 0.09 72.65 13:50:01 3 28.14 0.00 1.02 0.01 0.09 70.73 14:00:04 all 14.68 0.00 0.75 0.03 0.09 84.45 14:00:04 0 14.84 0.00 0.80 0.05 0.08 84.24 14:00:04 1 14.51 0.00 0.80 0.03 0.09 84.57 14:00:04 2 14.56 0.00 0.71 0.01 0.09 84.63 14:00:04 3 14.81 0.00 0.71 0.01 0.09 84.38 14:10:04 all 11.70 0.00 0.64 0.02 0.08 87.55 14:10:04 0 11.47 0.00 0.55 0.02 0.08 87.88 14:10:04 1 12.28 0.00 0.69 0.02 0.09 86.92 14:10:04 2 11.60 0.00 0.68 0.06 0.09 87.58 14:10:04 3 11.45 0.00 0.65 0.01 0.08 87.81 14:20:01 all 11.03 0.00 0.68 0.02 0.09 88.19 14:20:01 0 11.41 0.00 0.62 0.00 0.08 87.89 14:20:01 1 10.60 0.00 0.74 0.04 0.09 88.53 14:20:01 2 10.99 0.00 0.73 0.01 0.09 88.17 14:20:01 3 11.13 0.00 0.60 0.01 0.09 88.17 14:30:25 all 14.56 0.00 0.73 0.03 0.08 84.59 14:30:25 0 13.64 0.00 0.76 0.04 0.08 85.49 14:30:25 1 14.89 0.00 0.72 0.03 0.09 84.27 14:30:25 2 14.63 0.00 0.81 0.03 0.09 84.45 14:30:25 3 15.07 0.00 0.64 0.04 0.08 84.16 14:40:21 all 16.95 0.00 0.73 0.02 0.08 82.21 14:40:21 0 16.72 0.00 0.67 0.03 0.09 82.49 14:40:21 1 17.76 0.00 0.74 0.01 0.08 81.39 14:40:21 2 16.51 0.00 0.76 0.04 0.09 82.61 14:40:21 3 16.81 0.00 0.75 0.01 0.07 82.35 Average: all 23.89 0.00 1.17 0.09 0.09 74.75 Average: 0 24.15 0.00 1.18 0.11 0.09 74.46 Average: 1 23.78 0.00 1.21 0.10 0.09 74.81 Average: 2 23.68 0.00 1.17 0.08 0.09 74.97 Average: 3 23.94 0.00 1.13 0.07 0.09 74.77