---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12955 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 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 699 10834 4 4455 14947 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:23:dd:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79730sec preferred_lft 79730sec inet6 fe80::f816:3eff:fe23:ddba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:dc:9a:30:fb:84 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-12955) 02/17/26 _x86_64_ (4 CPU) 15:13:48 LINUX RESTART (4 CPU) 15:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:08 87.64 24.57 60.01 3.06 371.62 7195.37 5238.12 15:40:08 17.95 0.19 16.80 0.96 7.71 459.81 2325.09 15:50:18 7.85 0.13 7.33 0.39 7.56 243.16 668.99 16:00:06 20.79 0.05 19.72 1.02 1.06 868.72 1398.56 16:10:08 9.02 0.00 8.63 0.38 0.37 280.43 335.01 16:20:00 4.97 0.03 4.74 0.21 1.24 141.25 93.69 16:30:01 5.64 0.02 5.45 0.16 2.17 155.57 90.29 16:40:08 5.27 0.01 5.07 0.19 0.65 151.91 89.73 16:50:00 25.31 0.08 8.68 16.55 1.95 543.42 213830.19 17:00:08 6.90 0.01 6.59 0.31 0.54 267.57 354.58 Average: 19.08 2.51 14.27 2.30 39.50 1029.17 22153.99 15:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:08 3722708 6984912 8948588 54.65 262676 2994364 10761016 61.77 2179384 9899536 1100 15:40:08 3558876 6848944 9083020 55.48 265716 3019316 9710308 55.74 2243296 9993504 432 15:50:18 6408296 9723752 6210436 37.93 266700 3043744 6957608 39.94 2251512 7142932 604 16:00:06 11854692 15333472 605516 3.70 272732 3200960 1317068 7.56 2291336 1688108 12056 16:10:08 7881524 11388752 4547996 27.78 273988 3228160 5220892 29.97 2293616 5643256 428 16:20:00 7789316 11315372 4621276 28.22 274476 3246520 5290936 30.37 2295040 5738556 684 16:30:01 6299388 9844988 6090976 37.20 274904 3265612 6763500 38.82 2297260 7220472 252 16:40:08 6278820 9845048 6090788 37.20 275532 3285612 6849100 39.31 2300524 7231756 224 16:50:00 7614244 11304608 4631852 28.29 279780 3403508 5338976 30.65 2313600 5891332 252 17:00:08 6987904 10724724 5211640 31.83 280360 3449244 5900376 33.87 2331960 6496832 244 Average: 6839577 10331457 5604209 34.23 272686 3213704 6410978 36.80 2279753 6694628 1628 15:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:08 lo 19.30 19.30 16.74 16.74 0.00 0.00 0.00 0.00 15:30:08 ens3 1.99 2.01 0.63 1.31 0.00 0.00 0.00 0.00 15:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:08 lo 49.88 49.88 21.22 21.22 0.00 0.00 0.00 0.00 15:40:08 ens3 2.39 1.74 0.62 0.47 0.00 0.00 0.00 0.00 15:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:18 lo 18.57 18.57 8.82 8.82 0.00 0.00 0.00 0.00 15:50:18 ens3 0.59 0.36 0.13 0.08 0.00 0.00 0.00 0.00 15:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:06 lo 12.66 12.66 6.48 6.48 0.00 0.00 0.00 0.00 16:00:06 ens3 1.31 1.00 0.36 0.28 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:08 lo 19.75 19.75 10.34 10.34 0.00 0.00 0.00 0.00 16:10:08 ens3 5.53 3.97 3.51 2.44 0.00 0.00 0.00 0.00 16:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:00 lo 26.92 26.92 9.67 9.67 0.00 0.00 0.00 0.00 16:20:00 ens3 0.51 0.41 0.14 0.10 0.00 0.00 0.00 0.00 16:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 18.97 18.97 9.24 9.24 0.00 0.00 0.00 0.00 16:30:01 ens3 0.78 0.65 0.24 0.18 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:08 lo 13.91 13.91 8.75 8.75 0.00 0.00 0.00 0.00 16:40:08 ens3 0.68 0.49 0.19 0.14 0.00 0.00 0.00 0.00 16:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:00 lo 14.92 14.92 8.28 8.28 0.00 0.00 0.00 0.00 16:50:00 ens3 0.81 0.69 0.25 0.20 0.00 0.00 0.00 0.00 16:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:08 lo 20.58 20.58 8.88 8.88 0.00 0.00 0.00 0.00 17:00:08 ens3 0.73 0.63 0.17 0.14 0.00 0.00 0.00 0.00 17:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.55 21.55 10.85 10.85 0.00 0.00 0.00 0.00 Average: ens3 1.53 1.20 0.62 0.53 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-12955) 02/17/26 _x86_64_ (4 CPU) 15:13:48 LINUX RESTART (4 CPU) 15:20:08 CPU %user %nice %system %iowait %steal %idle 15:30:08 all 55.70 0.00 2.11 0.22 0.11 41.85 15:30:08 0 56.27 0.00 2.15 0.24 0.11 41.23 15:30:08 1 55.55 0.00 2.03 0.23 0.12 42.07 15:30:08 2 56.09 0.00 2.11 0.15 0.11 41.53 15:30:08 3 54.90 0.00 2.14 0.27 0.12 42.58 15:40:08 all 36.60 0.00 1.33 0.12 0.11 61.85 15:40:08 0 36.65 0.00 1.34 0.12 0.11 61.79 15:40:08 1 36.25 0.00 1.39 0.07 0.10 62.18 15:40:08 2 36.77 0.00 1.39 0.12 0.11 61.60 15:40:08 3 36.72 0.00 1.20 0.15 0.11 61.82 15:50:18 all 16.46 0.00 0.74 0.03 0.08 82.68 15:50:18 0 16.52 0.00 0.76 0.05 0.09 82.58 15:50:18 1 16.65 0.00 0.82 0.03 0.08 82.42 15:50:18 2 16.11 0.00 0.69 0.02 0.08 83.10 15:50:18 3 16.57 0.00 0.69 0.02 0.08 82.64 16:00:06 all 29.27 0.00 1.01 0.09 0.09 69.54 16:00:06 0 29.13 0.00 1.23 0.21 0.09 69.35 16:00:06 1 29.15 0.00 0.94 0.03 0.09 69.79 16:00:06 2 28.95 0.00 1.04 0.04 0.09 69.88 16:00:06 3 29.86 0.00 0.83 0.07 0.08 69.16 16:10:08 all 17.89 0.00 0.61 0.47 0.08 80.96 16:10:08 0 17.54 0.00 0.64 0.60 0.07 81.16 16:10:08 1 17.80 0.00 0.61 0.72 0.08 80.80 16:10:08 2 17.82 0.00 0.58 0.13 0.08 81.39 16:10:08 3 18.40 0.00 0.61 0.42 0.08 80.48 16:20:00 all 8.93 0.00 0.47 0.12 0.06 90.43 16:20:00 0 8.94 0.00 0.40 0.05 0.06 90.56 16:20:00 1 8.86 0.00 0.46 0.16 0.06 90.46 16:20:00 2 8.81 0.00 0.54 0.12 0.07 90.47 16:20:00 3 9.09 0.00 0.47 0.15 0.06 90.23 16:30:01 all 10.27 0.00 0.44 0.25 0.07 88.98 16:30:01 0 10.09 0.00 0.41 0.37 0.06 89.06 16:30:01 1 10.12 0.00 0.52 0.08 0.07 89.22 16:30:01 2 10.61 0.00 0.45 0.31 0.07 88.56 16:30:01 3 10.25 0.00 0.38 0.24 0.06 89.07 16:40:08 all 9.95 0.00 0.54 0.15 0.06 89.31 16:40:08 0 10.05 0.00 0.52 0.14 0.06 89.22 16:40:08 1 10.05 0.00 0.54 0.07 0.06 89.27 16:40:08 2 9.78 0.00 0.53 0.16 0.07 89.47 16:40:08 3 9.90 0.00 0.55 0.21 0.07 89.27 16:50:00 all 14.30 0.00 0.65 2.91 0.07 82.07 16:50:00 0 14.38 0.00 0.57 0.10 0.07 84.89 16:50:00 1 14.38 0.00 0.72 11.12 0.08 73.71 16:50:00 2 13.36 0.00 0.64 0.07 0.08 85.85 16:50:00 3 15.07 0.00 0.68 0.33 0.07 83.84 17:00:08 all 15.83 0.00 0.73 1.58 0.08 81.78 17:00:08 0 15.75 0.00 0.64 0.46 0.07 83.08 17:00:08 1 15.93 0.00 0.77 3.52 0.09 79.69 17:00:08 2 15.81 0.00 0.70 1.22 0.07 82.21 17:00:08 3 15.81 0.00 0.83 1.13 0.08 82.14 Average: all 21.49 0.00 0.86 0.59 0.08 76.97 Average: 0 21.51 0.00 0.86 0.23 0.08 77.32 Average: 1 21.45 0.00 0.88 1.59 0.08 75.99 Average: 2 21.38 0.00 0.87 0.24 0.08 77.43 Average: 3 21.63 0.00 0.84 0.30 0.08 77.15